Repository: OpenGenus/cosmos-search Branch: master Commit: 24175e086718 Files: 70 Total size: 250.2 KB Directory structure: gitextract_eqf5qz2p/ ├── .editorconfig ├── .github/ │ ├── CODE_OF_CONDUCT.md │ ├── ISSUE_TEMPLATE.md │ └── PULL_REQUEST_TEMPLATE.md ├── .gitignore ├── .hound.yml ├── .travis.yml ├── CONTRIBUTORS.md ├── LICENSE ├── Procfile ├── README.md ├── cosmos_search/ │ ├── __init__.py │ ├── settings.py │ ├── urls.py │ └── wsgi.py ├── human_curated_lists/ │ ├── awesome-competitive-coding.md │ ├── awesome-lists.md │ └── best-student-discount-services.md ├── lists.json ├── manage.py ├── metadata.json ├── requirements.txt ├── runtime.txt ├── scripts/ │ └── develop.sh ├── search/ │ ├── __init__.py │ ├── admin.py │ ├── apps.py │ ├── migrations/ │ │ ├── 0001_initial.py │ │ └── __init__.py │ ├── models.py │ ├── templatetags/ │ │ ├── __init__.py │ │ ├── calculator.py │ │ ├── random_numbers.py │ │ └── youtube.py │ ├── tests.py │ ├── urls.py │ └── views.py ├── static/ │ └── css/ │ └── calculator.css ├── tags.json ├── templates/ │ └── cosmos/ │ ├── _base_css.html │ ├── _footer.html │ ├── _nav.html │ ├── bundles/ │ │ ├── css.html │ │ └── js.html │ ├── calculator.html │ ├── code.html │ ├── codeResults.html │ ├── error/ │ │ ├── HTTP400.html │ │ ├── HTTP403.html │ │ ├── HTTP404.html │ │ └── HTTP500.html │ ├── header.html │ ├── index.html │ ├── lists.html │ ├── listsResults.html │ ├── lists_template.html │ ├── news.html │ ├── notfound.html │ ├── searchresults.html │ ├── tags.html │ └── youtubeResults.html ├── tox.ini └── update/ ├── __init__.py ├── admin.py ├── apps.py ├── migrations/ │ └── __init__.py ├── models.py ├── tests.py ├── urls.py └── views.py ================================================ FILE CONTENTS ================================================ ================================================ FILE: .editorconfig ================================================ root = true [*] end_of_line = lf insert_final_newline = true trim_trailing_whitespace = true [*.{js,py}] charset = utf-8 [*.py] indent_style = space indent_size = 4 [*.html] indent_size = 4 [*.css] indent_size = 4 [Makefile] indent_style = tab [lib/**.js] indent_style = space indent_size = 2 [{package.json,.travis.yml}] indent_style = space indent_size = 2 ================================================ FILE: .github/CODE_OF_CONDUCT.md ================================================ # Contributor Covenant Code of Conduct ## Our Pledge In the interest of fostering an open and welcoming environment, we as contributors and maintainers pledge to making participation in our project and our community a harassment-free experience for everyone, regardless of age, body size, disability, ethnicity, gender identity and expression, level of experience, nationality, personal appearance, race, religion, or sexual identity and orientation. ## Our Standards Examples of behavior that contributes to creating a positive environment include: * Using welcoming and inclusive language * Being respectful of differing viewpoints and experiences * Gracefully accepting constructive criticism * Focusing on what is best for the community * Showing empathy towards other community members Examples of unacceptable behavior by participants include: * The use of sexualized language or imagery and unwelcome sexual attention or advances * Trolling, insulting/derogatory comments, and personal or political attacks * Public or private harassment * Publishing others' private information, such as a physical or electronic address, without explicit permission * Other conduct which could reasonably be considered inappropriate in a professional setting ## Our Responsibilities Project maintainers are responsible for clarifying the standards of acceptable behavior and are expected to take appropriate and fair corrective action in response to any instances of unacceptable behavior. 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cosmos-search

# Cosmos Search # Contributors at OpenGenus > Every work is great only because of its contributors | [**Contributors :family_woman_boy_boy:**](#contributors-1) | [**Interns :dancer:**](#interns) | [**Maintainers :man_office_worker:**](#maintainers) | |:---:|:---:|:---:| To join our community, sign up at [our Discussion forum](https://discourse.opengenus.org/) and let us know your interests :sparkles: so we can help you better. ## Contributors Thanks goes to these ❤️ wonderful people who made this possible: | [
Aditya Chatterjee](https://github.com/AdiChat)
| [
Vaibhav Shelke](https://github.com/vshelke)
| [
David Wu](https://github.com/Pl4gue)
| [
Vaibhav Singh](https://github.com/vaibhavsingh97)
| [
Hervé Beraud](https://github.com/4383)
| | :---: | :---: | :---: | :---: | :---: | [
Sakshee Jain](https://github.com/sakshee-19)
| [
Ernest Chang](https://github.com/iattempt)
| [
Divya Maddala](https://github.com/maddaladivya)
| [
Ankan Poddar](https://github.com/ankan17)
| [
Pratibha Goyal](https://github.com/Pratibha-Goyal)
| [
Shweta Kumari](https://github.com/Shweta4321)
| [
Parthvi Vala](https://github.com/valaparthvi)
| [
Shikha Khatry](https://github.com/khatryshikha)
| [
Anannya Uberoi](https://github.com/anne27)
| [
Sarvani Deekshitula](https://github.com/sarvanideekshitula)
| [
reallinfo](https://github.com/reallinfo)
| [
Rounak Vyas](https://github.com/itsron717)
| ### Interns Wonderful interns at **OpenGenus** who worked on **Cosmos-Search** | [
Rounak Vyas](https://github.com/itsron717)
| | :---: | ### Maintainers Maintainers who look after **Cosmos Search** | [
Aditya Chatterjee](https://github.com/AdiChat)
| [
Vaibhav Shelke](https://github.com/vshelke)
| [
Ernest Chang](https://github.com/iattempt)
| | :---: | :---: | :---: | ================================================ FILE: LICENSE ================================================ GNU GENERAL PUBLIC LICENSE Version 3, 29 June 2007 Copyright (C) 2007 Free Software Foundation, Inc. Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. Preamble The GNU General Public License is a free, copyleft license for software and other kinds of works. The licenses for most software and other practical works are designed to take away your freedom to share and change the works. By contrast, the GNU General Public License is intended to guarantee your freedom to share and change all versions of a program--to make sure it remains free software for all its users. We, the Free Software Foundation, use the GNU General Public License for most of our software; it applies also to any other work released this way by its authors. You can apply it to your programs, too. 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If the program does terminal interaction, make it output a short notice like this when it starts in an interactive mode: {project} Copyright (C) {year} {fullname} This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. This is free software, and you are welcome to redistribute it under certain conditions; type `show c' for details. The hypothetical commands `show w' and `show c' should show the appropriate parts of the General Public License. Of course, your program's commands might be different; for a GUI interface, you would use an "about box". You should also get your employer (if you work as a programmer) or school, if any, to sign a "copyright disclaimer" for the program, if necessary. For more information on this, and how to apply and follow the GNU GPL, see . The GNU General Public License does not permit incorporating your program into proprietary programs. If your program is a subroutine library, you may consider it more useful to permit linking proprietary applications with the library. If this is what you want to do, use the GNU Lesser General Public License instead of this License. But first, please read . ================================================ FILE: Procfile ================================================ web: gunicorn cosmos_search.wsgi --log-file - ================================================ FILE: README.md ================================================

cosmos-search

# Cosmos Search This is the real-time code search engine for all. We aim to revolutionize the way people interact and search for code. This is evident in our on-going work. Cosmos Search is privacy-focussed as we do not store any data. Some of our **core beliefs** that drive the development of this search engine: * Searching is more of a social act. * The Divide between programming languages and native languages must be minimized. * Time spend on searching must be minimized. * Time spend on learning, discussing and socializing must be maximized. Link: [**search.opengenus.org**](http://search.opengenus.org) Cosmos Search is one of the most impactful sister projects of [**Cosmos**](https://github.com/OpenGenus/cosmos) powered by [**OpenGenus Foundation**](https://github.com/OpenGenus). This is the official search tool for cosmos, a library of every algorithm and data structure code that you will ever encounter. [![Build Status](https://travis-ci.org/OpenGenus/cosmos-search.svg?branch=master)](https://travis-ci.org/OpenGenus/cosmos-search.svg?branch=master) [![License: GPL v3](https://img.shields.io/badge/License-GPL%20v3-blue.svg)](https://www.gnu.org/licenses/gpl-3.0) ## Maintainers This is a very ambitious project based on a massive collaboration and to keep the quality intact and drive the vision in the proper direction, we have maintainers. > Maintainers are your friends forever. They are vastly different from moderators. Currently, we have 3 active maintainers and we are expanding quickly. The task of maintainers is to review pull requests, suggest further quality additions and keep the work up to date with the current state of the world. 🌍 Let us know if you would like to be a maintainer and we will review and add you upon subsequent contributions. To join our massive community at Slack open an issue [here](https://github.com/OpenGenus/OpenGenus-Slack). ## Contributors The success of our vision depends on you. Even a small contribution helps. All forms of contributions are highly welcomed and valued. When you contribute, your name with a link (if available) is added to our [**contributors list**](https://github.com/OpenGenus/cosmos-search/wiki/Contributors). You can contribute by writing code, documentation, making Cosmos search friendly and many others. There are endless possibilities. You might, also, like to take a look at our [Ideas List](https://github.com/OpenGenus/cosmos-search/wiki/Idea-List). You can take up a task from the list or suggest your own. Open a pull request to indicate the work you are doing. Feel free to discuss anything with us. 💭 ## Contributing to the Human-Curated Lists One can contribute to the lists by uploading their files to the repository `human_curated_lists` which supports only `.md` file(s) for now. After uploading the file(s) update the `lists.json` file with necessary details about the list such as _List Title_, _List Description_, _Author Name_, etc. After this a Pull Request can be generated and the lists will be reviewed and merged. ### Technologies Used This project uses a number of open source projects: * [Django](https://www.djangoproject.com/) - Django is a high-level Python Web framework that encourages rapid development and clean, pragmatic design. * [Bootstrap](https://getbootstrap.com/) - Responsive frontend framework * [Heroku](https://www.heroku.com/) - Webapp deployed here * [Travis](travis-ci.org) - Continuous Integration of the project ## Run this search engine locally 1. Clone this repository using ``` $ git clone https://github.com/OpenGenus/cosmos-search.git ``` 2. Go inside main Django app ``` $ cd cosmos-search ``` 3. Setup a virtual environment `$ virtualenv -m python3 env_name` **OR** `$ python3 -m venv env_name` (For Conda users) `$ conda create -n env_name python=3.6 anaconda` 4. Activate the virtual environment ``` $ source env_name/bin/activate ``` The virtual environment can be deactivated with the `deactivate` command. (For Conda users) `$ source activate env_name` The virtual environment can be deactivated with the `source deactivate` command. 5. Install local dependencies Conda users need to install pip locally in their virtual environment using `$ conda install pip` ``` pip install -r requirements.txt ``` 6. Create a project in the Google Developers Console and obtain authorization credentials and API Key for [YouTube Data API v3](https://console.developers.google.com/apis/library/youtube.googleapis.com/). 7. Insert the obtained Key in parameter `DEVELOPER_KEY` in .env.example file 8. Copy the .env.example file to .env and supply values for the required variables. 9. Collectstatic files using ``` $ python manage.py collectstatic ``` 10. Migrating files using ``` $ python manage.py migrate ``` 11. Create Cache Table ``` $ python manage.py createcachetable ``` 12. Run the app ``` $ python manage.py runserver ``` 13. View the locally built site ``` localhost:8000 ``` To run the web app in Debug mode set the DEBUG environment variable. In Linux, run the `export DEBUG=True` command in the terminal. ## License We believe in freedom and improvement. Cosmos Search is built with ♥ by [OpenGenus Community](https://github.com/OpenGenus) under [GPL v3](https://www.gnu.org/licenses/gpl-3.0) ================================================ FILE: cosmos_search/__init__.py ================================================ ================================================ FILE: cosmos_search/settings.py ================================================ """ Django settings for cosmos_search project. Generated by 'django-admin startproject' using Django 1.11.7. For more information on this file, see https://docs.djangoproject.com/en/1.11/topics/settings/ For the full list of settings and their values, see https://docs.djangoproject.com/en/1.11/ref/settings/ """ import os from decouple import config, Csv # Build paths inside the project like this: os.path.join(BASE_DIR, ...) BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__))) # Quick-start development settings - unsuitable for production # See https://docs.djangoproject.com/en/1.11/howto/deployment/checklist/ # SECURITY WARNING: keep the secret key used in production secret! SECRET_KEY = config('SECRET_KEY') # SECURITY WARNING: don't run with debug turned on in production! DEBUG = config('DEBUG', cast=bool) ALLOWED_HOSTS = config('ALLOWED_HOSTS', cast=Csv()) # OpenGenus specific GITHUB_WEBHOOK_SECRET = config('GITHUB_WEBHOOK_SECRET', cast=lambda v: v.encode('UTF-8')) COSMOS_LINK = 'https://github.com/OpenGenus/cosmos.git' COSMOS_ROOT = 'cosmos/' METADATA_JSON = 'metadata.json' TAGS_JSON = 'tags.json' TIMESTAMPS_JSON = 'timestamps.json' YOUTUBE_DATA_API_KEY = config('YOUTUBE_DATA_API_KEY') NEWS_API_KEY = "27dda8d73c8340168550c70a32660564" LISTS_MD = 'human_curated_lists/' LISTS_INFO = 'lists.json' # Application definition INSTALLED_APPS = [ 'update.apps.UpdateConfig', 'search.apps.SearchConfig', 'django.contrib.admin', 'django.contrib.auth', 'django.contrib.contenttypes', 'django.contrib.sessions', 'django.contrib.messages', 'django.contrib.staticfiles', ] MIDDLEWARE = [ 'django.middleware.security.SecurityMiddleware', 'django.contrib.sessions.middleware.SessionMiddleware', 'django.middleware.common.CommonMiddleware', 'django.middleware.csrf.CsrfViewMiddleware', 'django.contrib.auth.middleware.AuthenticationMiddleware', 'django.contrib.messages.middleware.MessageMiddleware', 'django.middleware.clickjacking.XFrameOptionsMiddleware', ] ROOT_URLCONF = 'cosmos_search.urls' TEMPLATES = [ { 'BACKEND': 'django.template.backends.django.DjangoTemplates', 'DIRS': [os.path.join(BASE_DIR, 'templates')], 'APP_DIRS': True, 'OPTIONS': { 'context_processors': [ 'django.template.context_processors.debug', 'django.template.context_processors.request', 'django.contrib.auth.context_processors.auth', 'django.contrib.messages.context_processors.messages', ], }, }, ] WSGI_APPLICATION = 'cosmos_search.wsgi.application' # Database # https://docs.djangoproject.com/en/1.11/ref/settings/#databases DATABASES = { 'default': { 'ENGINE': 'django.db.backends.sqlite3', 'NAME': os.path.join(BASE_DIR, 'db.sqlite3'), } } CACHES = { 'default': { 'BACKEND': 'django.core.cache.backends.db.DatabaseCache', 'LOCATION': 'dev_cache', 'TIMEOUT': 60 * 60 * 24 * 7 * 4, 'VERSION': 1, 'OPTIONS': { 'MAX_ENTRIES': 10000 } } } # Password validation # https://docs.djangoproject.com/en/1.11/ref/settings/#auth-password-validators AUTH_PASSWORD_VALIDATORS = [ { 'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator', }, { 'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator', }, { 'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator', }, { 'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator', }, ] # Internationalization # https://docs.djangoproject.com/en/1.11/topics/i18n/ LANGUAGE_CODE = 'en-us' TIME_ZONE = 'UTC' USE_I18N = True USE_L10N = True USE_TZ = True # Static files (CSS, JavaScript, Images) # https://docs.djangoproject.com/en/1.11/howto/static-files/ STATIC_URL = '/static/' STATIC_ROOT = os.path.join(BASE_DIR, 'static') ================================================ FILE: cosmos_search/urls.py ================================================ """cosmos_search URL Configuration The `urlpatterns` list routes URLs to views. For more information please see: https://docs.djangoproject.com/en/1.11/topics/http/urls/ Examples: Function views 1. Add an import: from my_app import views 2. Add a URL to urlpatterns: url(r'^$', views.home, name='home') Class-based views 1. Add an import: from other_app.views import Home 2. Add a URL to urlpatterns: url(r'^$', Home.as_view(), name='home') Including another URLconf 1. Import the include() function: from django.conf.urls import url, include 2. Add a URL to urlpatterns: url(r'^blog/', include('blog.urls')) """ from django.conf.urls import url, include from django.conf.urls.static import static from django.contrib import admin from django.conf.urls import handler400 from django.conf.urls import handler403 from django.conf.urls import handler404 from django.conf.urls import handler500 from django.views.static import serve from cosmos_search import settings from search import views urlpatterns = [ url(r'^', include('search.urls')), url(r'^update/', include('update.urls')), url(r'^admin/', admin.site.urls), ] if settings.DEBUG: urlpatterns += static(settings.STATIC_URL, document_root=settings.STATIC_ROOT) if settings.DEBUG is False: urlpatterns += [url(r'^static/(?P.*)$', serve, {'document_root': settings.STATIC_ROOT}), ] handler400 = views.error400 # noqa handler403 = views.error403 # noqa handler404 = views.error404 # noqa handler500 = views.error500 # noqa ================================================ FILE: cosmos_search/wsgi.py ================================================ """ WSGI config for cosmos_search project. It exposes the WSGI callable as a module-level variable named ``application``. For more information on this file, see https://docs.djangoproject.com/en/1.11/howto/deployment/wsgi/ """ import os from django.core.wsgi import get_wsgi_application os.environ.setdefault("DJANGO_SETTINGS_MODULE", "cosmos_search.settings") application = get_wsgi_application() ================================================ FILE: human_curated_lists/awesome-competitive-coding.md ================================================ A Curated list of Topic wise Theory and Questions to Get You Started On Competitive Coding. *Inspired by the [awesome](https://github.com/sindresorhus/awesome) list thing. You might also like to read complete [awesome-list](https://github.com/sindresorhus/awesome).* Topics --- - Binary and Ternary Search - Dynamic Programming - Game Theory - Graphs - Greedy - Maths - Miscellaneous - Prefix and Suffix Trees - Segment Trees - Trees Binary and Ternary Search --- - Theory - [Hackerearth](https://www.hackerearth.com/notes/power-of-binary-search/) - Power of Binary search by [Aman Goel](https://www.hackerearth.com/users/amangoel.vsec/) (Easy). - [Topcoder](https://www.topcoder.com/community/data-science/data-science-tutorials/binary-search/) - Binary Search by [lovro](https://www.topcoder.com/member-profile/lovro/) (Hard). - [Ternary Search](http://rendon.x10.mx/ternary-search/) - Blog Post on Ternary Search. - Questions on - [Codeforces](http://codeforces.com/problemset/tags/binary%20search) - [A20j](http://a2oj.com/Category.jsp?ID=40) - [Codechef](https://discuss.codechef.com/tags/binarysearch/) Dynamic Programming --- - Theory - [Topcoder](https://www.topcoder.com/community/data-science/data-science-tutorials/dynamic-programming-from-novice-to-advanced/) - [Codechef](https://www.codechef.com/wiki/tutorial-dynamic-programming) - Questions on - [Hackerrank](https://www.hackerrank.com/domains/algorithms/dynamic-programming) - [spoj](http://problemclassifier.appspot.com/?keywords=dp) - [More Problems on SPOJ](http://apps.topcoder.com/forums/;jsessionid=C684F032169B7439C8012AAB6BA2018C?module=Thread&threadID=674592) - [A2oj](http://a2oj.com/Category.jsp?ID=33) - [Codeforces](http://codeforces.com/problemset/tags/dp) Game Theory --- - Theory - [Stanford](http://web.stanford.edu/class/cs97si/05-combinatorial-games.pdf) - PDF on Combinatorial Games. - [Wikipedia](https://en.wikipedia.org/wiki/Nim) - Nim Games. - [Book](http://www.cs.ox.ac.uk/files/2735/Composite_games.pdf) - Composite Mathematical Games. - [Book](http://www.math.ucla.edu/~tom/Game_Theory/comb.pdf) - Game Theory By Thomas S. Ferguson. - Questions on - [A2oj](http://a2oj.com/Category.jsp?ID=91) Graphs --- - Theory - [Topcoder](https://topcoder.com) - [Identifying a graph on Topcoder](https://www.topcoder.com/community/data-science/data-science-tutorials/introduction-to-graphs-and-their-data-structures-section-1/) - [Searching in a Graph](https://www.topcoder.com/community/data-science/data-science-tutorials/introduction-to-graphs-and-their-data-structures-section-2/) - [Path Algorithms](https://www.topcoder.com/community/data-science/data-science-tutorials/introduction-to-graphs-and-their-data-structures-section-3/) - [Codeforces](http://codeforces.com/blog/entry/16221) - Important Graph Algorithms by [PrinceOfPersia](http://codeforces.com/profile/PrinceOfPersia) - [Codechef](https://www.codechef.com/wiki/tutorial-graph-theory-part-1) - Questions on - [Codeforces](http://codeforces.com/problemset/tags/graphs) - [Codechef](https://discuss.codechef.com/tags/graph/) - [A2oj](http://a2oj.com/Category.jsp?ID=13) Greedy --- - Theory - [Topcoder](https://www.topcoder.com/community/data-science/data-science-tutorials/greedy-is-good/) - [Stackoverflow.](http://stackoverflow.com/questions/7887487/how-to-spot-a-greedy-algorithm) - [Hackerearth](https://www.hackerearth.com/notes/greedy-algorithm/) - Questions on - [Codeforces](http://codeforces.com/problemset/tags/greedy) - [A2oj](http://a2oj.com/Category.jsp?ID=56) Maths --- - Theory - [Stanford](http://web.stanford.edu/class/cs97si/02-mathematics.pdf) - Stanford's Guide on Introduction To Competitive Programming. - [Aduni](http://www.aduni.org/courses/discrete/index.php?view=cw) - Course Guide to Discrete Mathematics. - [Topcoder](https://www.topcoder.com/community/data-science/data-science-tutorials/understanding-probabilities/) - Understanding Probability. - Questions on - [A20j](http://a2oj.com/Category.jsp?ID=86) - [Codechef](https://discuss.codechef.com/tags/simple-math/) - Basic - [Codechef](https://discuss.codechef.com/tags/maths/) - Advanced Miscellaneous --- - Mo's Algorithm - [Blog Post By Anudeep Nekkanti](http://blog.anudeep2011.com/mos-algorithm/) - [Hackerearth](https://www.hackerearth.com/notes/mos-algorithm/) - [DQUERY on Spoj](http://www.spoj.com/problems/DQUERY/en/) - [FREQUENT on Spoj](http://www.spoj.com/problems/FREQUENT/) - Persistant Segment Trees - [Blog Post By Anudeep Nekkanti](http://blog.anudeep2011.com/persistent-segment-trees-explained-with-spoj-problems/) - [MKTHNUM on Spoj](http://www.spoj.com/problems/MKTHNUM/en/) - Mobius Function - [Dance With Mobius Function by Surya Kiran](https://www.quora.com/profile/Surya-Kiran/Posts/A-Dance-with-Mobius-Function) - Treaps - [Codeforces](http://codeforces.com/blog/entry/11148) - [Wikipedia](https://en.wikipedia.org/wiki/Treap) - [TREAP on Spoj](http://www.spoj.com/problems/TREAP/) - Bit Manipulation - [Hackerearth](https://www.hackerearth.com/notes/bit-manipulation/) - Tutorial on Bit Manipulation by [Prateek Garg](https://www.hackerearth.com/users/ptk23/). - [Hackerrank](https://www.hackerrank.com/domains/algorithms/bit-manipulation) - Questions On Hackerrank on but manipulation. Prefix and Suffix Trees --- - Theory - [Wikipedia](https://en.wikipedia.org/wiki/Trie) - [Tutorial by Sartaj Sahni](http://marknelson.us/1996/08/01/suffix-trees/) - [Suffix Trees Explained](http://marknelson.us/1996/08/01/suffix-trees/) - Questions on - [Codechef](https://www.codechef.com/problems/TWSTR/) - [Another problem on Codechef](https://www.codechef.com/SEPT13/problems/TMP01) - [A2oj](http://a2oj.com/Category.jsp?ID=49) Segment Trees --- - Theory - [Hackerearth](https://www.hackerearth.com/notes/segment-trees-for-beginners/) - [Codeforces](http://codeforces.com/blog/entry/15890) - Everything about Segment trees by [PrinceOfPersia](http://codeforces.com/profile/PrinceOfPersia) - [Lazy Propogation](http://se7so.blogspot.in/2012/12/segment-trees-and-lazy-propagation.html) - Questions on - [Codechef](https://discuss.codechef.com/tags/segment-tree/) - [A2oj](http://a2oj.com/Category.jsp?ID=25) Trees --- - Theory - [Hackerearth](https://www.hackerearth.com/notes/trees/) - Questions on - [Hackerrank](https://www.hackerrank.com/domains/data-structures/trees) - [Codechef](https://discuss.codechef.com/tags/trees/) - [A2oj](http://a2oj.com/Category.jsp?ID=89) - [Codeforces](http://codeforces.com/problemset/tags/trees) ================================================ FILE: human_curated_lists/awesome-lists.md ================================================ ## Platforms - [Node.js](https://github.com/sindresorhus/awesome-nodejs) - JavaScript runtime built on Chrome's V8 JavaScript engine. - [Frontend Development](https://github.com/dypsilon/frontend-dev-bookmarks) - [iOS](https://github.com/vsouza/awesome-ios) - Mobile operating system for Apple phones and tablets. - [Android](https://github.com/JStumpp/awesome-android) - [IoT & Hybrid Apps](https://github.com/weblancaster/awesome-IoT-hybrid) - [Electron](https://github.com/sindresorhus/awesome-electron) - Cross-platform native desktop apps using JavaScript/HTML/CSS. - [Cordova](https://github.com/busterc/awesome-cordova) - JavaScript API for hybrid apps. - [React Native](https://github.com/jondot/awesome-react-native) - [Xamarin](https://github.com/benoitjadinon/awesome-xamarin) - Mobile app development IDE, testing, and distribution. - [Linux](https://github.com/aleksandar-todorovic/awesome-linux) - [Containers](https://github.com/Friz-zy/awesome-linux-containers) - [macOS](https://github.com/iCHAIT/awesome-macOS) - [Command-Line](https://github.com/herrbischoff/awesome-macos-command-line) - [Screensavers](https://github.com/agarrharr/awesome-macos-screensavers) - [watchOS](https://github.com/yenchenlin/awesome-watchos) - Operating system for the Apple Watch. - [JVM](https://github.com/deephacks/awesome-jvm) - [Salesforce](https://github.com/mailtoharshit/awesome-salesforce) - [Amazon Web Services](https://github.com/donnemartin/awesome-aws) - [Windows](https://github.com/Awesome-Windows/Awesome) - [IPFS](https://github.com/ipfs/awesome-ipfs) - P2P hypermedia protocol. - [Fuse](https://github.com/vinkla/awesome-fuse) - Mobile development tools. - [Heroku](https://github.com/ianstormtaylor/awesome-heroku) - Cloud platform as a service. - [Raspberry Pi](https://github.com/thibmaek/awesome-raspberry-pi) - Credit card-sized computer aimed at teaching kids programming, but capable of a lot more. - [Qt](https://github.com/JesseTG/awesome-qt) - Cross-platform GUI app framework. - [WebExtensions](https://github.com/bfred-it/Awesome-WebExtensions) - Cross-browser extension system. - [RubyMotion](https://github.com/motion-open-source/awesome-rubymotion) - Write cross-platform native apps for iOS, Android, macOS, tvOS, and watchOS in Ruby. - [Smart TV](https://github.com/vitalets/awesome-smart-tv) - Create apps for different TV platforms. - [GNOME](https://github.com/Kazhnuz/awesome-gnome) - Simple and distraction-free desktop environment for Linux. - [.NET](https://github.com/quozd/awesome-dotnet) - [Core](https://github.com/thangchung/awesome-dotnet-core) ## Programming Languages - [JavaScript](https://github.com/sorrycc/awesome-javascript) - [Promises](https://github.com/wbinnssmith/awesome-promises) - [Standard Style](https://github.com/standard/awesome-standard) - Style guide and linter. - [Must Watch Talks](https://github.com/bolshchikov/js-must-watch) - [Tips](https://github.com/loverajoel/jstips) - [Network Layer](https://github.com/Kikobeats/awesome-network-js) - [Micro npm Packages](https://github.com/parro-it/awesome-micro-npm-packages) - [Mad Science npm Packages](https://github.com/feross/awesome-mad-science) - Impossible sounding projects that exist. - [Maintenance Modules](https://github.com/maxogden/maintenance-modules) - For npm packages. - [npm](https://github.com/sindresorhus/awesome-npm) - Package manager. - [AVA](https://github.com/avajs/awesome-ava) - Test runner. - [ESLint](https://github.com/dustinspecker/awesome-eslint) - Linter. - [Functional Programming](https://github.com/stoeffel/awesome-fp-js) - [Observables](https://github.com/sindresorhus/awesome-observables) - [npm scripts](https://github.com/RyanZim/awesome-npm-scripts) - Task runner. - [Swift](https://github.com/matteocrippa/awesome-swift) - [Education](https://github.com/hsavit1/Awesome-Swift-Education) - [Playgrounds](https://github.com/uraimo/Awesome-Swift-Playgrounds) - [Python](https://github.com/vinta/awesome-python) - [Asyncio](https://github.com/timofurrer/awesome-asyncio) - Asynchronous I/O in Python 3. - [Scientific Audio](https://github.com/faroit/awesome-python-scientific-audio) - Scientific research in audio/music. - [Rust](https://github.com/rust-unofficial/awesome-rust) - [Haskell](https://github.com/krispo/awesome-haskell) - [PureScript](https://github.com/passy/awesome-purescript) - [Go](https://github.com/avelino/awesome-go) - [Scala](https://github.com/lauris/awesome-scala) - [Ruby](https://github.com/markets/awesome-ruby) - [Clojure](https://github.com/razum2um/awesome-clojure) - [ClojureScript](https://github.com/hantuzun/awesome-clojurescript) - [Elixir](https://github.com/h4cc/awesome-elixir) - [Elm](https://github.com/isRuslan/awesome-elm) - [Erlang](https://github.com/drobakowski/awesome-erlang) - [Julia](https://github.com/svaksha/Julia.jl) - [Lua](https://github.com/LewisJEllis/awesome-lua) - [C](https://github.com/aleksandar-todorovic/awesome-c) - [C/C++](https://github.com/fffaraz/awesome-cpp) - [R](https://github.com/qinwf/awesome-R) - [D](https://github.com/zhaopuming/awesome-d) - [Common Lisp](https://github.com/CodyReichert/awesome-cl) - [Perl](https://github.com/hachiojipm/awesome-perl) - [Groovy](https://github.com/kdabir/awesome-groovy) - [Dart](https://github.com/yissachar/awesome-dart) - [Java](https://github.com/akullpp/awesome-java) - [RxJava](https://github.com/eleventigers/awesome-rxjava) - [Kotlin](https://github.com/KotlinBy/awesome-kotlin) - [OCaml](https://github.com/rizo/awesome-ocaml) - [ColdFusion](https://github.com/seancoyne/awesome-coldfusion) - [Fortran](https://github.com/rabbiabram/awesome-fortran) - [PHP](https://github.com/ziadoz/awesome-php) - [Composer](https://github.com/jakoch/awesome-composer) - Package manager. - [Delphi](https://github.com/Fr0sT-Brutal/awesome-delphi) - [Assembler](https://github.com/jaspergould/awesome-asm) - [AutoHotkey](https://github.com/ahkscript/awesome-AutoHotkey) - [AutoIt](https://github.com/J2TeaM/awesome-AutoIt) - [Crystal](https://github.com/veelenga/awesome-crystal) - [Frege](https://github.com/sfischer13/awesome-frege) - Haskell for the JVM. - [CMake](https://github.com/onqtam/awesome-cmake) - Build, test, and package software. - [ActionScript 3](https://github.com/robinrodricks/awesome-actionscript3) - Object-oriented language targeting Adobe AIR. - [Eta](https://github.com/sfischer13/awesome-eta) - Functional programming language for the JVM. - [Idris](https://github.com/joaomilho/awesome-idris) - General purpose pure functional programming language with dependent types influenced by Haskell and ML. ## Front-End Development - [ES6 Tools](https://github.com/addyosmani/es6-tools) - [Web Performance Optimization](https://github.com/davidsonfellipe/awesome-wpo) - [Web Tools](https://github.com/lvwzhen/tools) - [CSS](https://github.com/awesome-css-group/awesome-css) - [Critical-Path Tools](https://github.com/addyosmani/critical-path-css-tools) - [Scalability](https://github.com/davidtheclark/scalable-css-reading-list) - [Must-Watch Talks](https://github.com/AllThingsSmitty/must-watch-css) - [Protips](https://github.com/AllThingsSmitty/css-protips) - [React](https://github.com/enaqx/awesome-react) - App framework. - [Relay](https://github.com/expede/awesome-relay) - Framework for building data-driven React apps. - [Web Components](https://github.com/mateusortiz/webcomponents-the-right-way) - [Polymer](https://github.com/Granze/awesome-polymer) - JavaScript library to develop Web Components. - [Angular](https://github.com/gdi2290/awesome-angular) - App framework. - [Backbone](https://github.com/sadcitizen/awesome-backbone) - App framework. - [HTML5](https://github.com/diegocard/awesome-html5) - Markup language used for websites & web apps. - [SVG](https://github.com/willianjusten/awesome-svg) - XML-based vector image format. - [Canvas](https://github.com/raphamorim/awesome-canvas) - [KnockoutJS](https://github.com/dnbard/awesome-knockout) - [Dojo Toolkit](https://github.com/petk/awesome-dojo) - [Inspiration](https://github.com/NoahBuscher/Inspire) - [Ember](https://github.com/nmec/awesome-ember) - App framework. - [Android UI](https://github.com/wasabeef/awesome-android-ui) - [iOS UI](https://github.com/cjwirth/awesome-ios-ui) - [Meteor](https://github.com/Urigo/awesome-meteor) - [BEM](https://github.com/sturobson/BEM-resources) - [Flexbox](https://github.com/afonsopacifer/awesome-flexbox) - [Web Typography](https://github.com/deanhume/typography) - [Web Accessibility](https://github.com/brunopulis/awesome-a11y) - [Material Design](https://github.com/sachin1092/awesome-material) - [D3](https://github.com/wbkd/awesome-d3) - Library for producing dynamic, interactive data visualizations. - [Emails](https://github.com/jonathandion/awesome-emails) - [jQuery](https://github.com/petk/awesome-jquery) - Easy to use JavaScript library for DOM manipulation. - [Tips](https://github.com/AllThingsSmitty/jquery-tips-everyone-should-know) - [Web Audio](https://github.com/notthetup/awesome-webaudio) - [Offline-First](https://github.com/pazguille/offline-first) - [Static Website Services](https://github.com/agarrharr/awesome-static-website-services) - [A-Frame VR](https://github.com/aframevr/awesome-aframe) - Virtual reality for web browsers. - [Cycle.js](https://github.com/cyclejs-community/awesome-cyclejs) - Functional and reactive JavaScript framework. - [Text Editing](https://github.com/dok/awesome-text-editing) - [Motion UI Design](https://github.com/fliptheweb/motion-ui-design) - [Vue.js](https://github.com/vuejs/awesome-vue) - App framework. - [Marionette.js](https://github.com/sadcitizen/awesome-marionette) - App framework. - [Aurelia](https://github.com/behzad888/awesome-aurelia) - App framework. - [Charting](https://github.com/zingchart/awesome-charting) - [Ionic Framework 2](https://github.com/candelibas/awesome-ionic) - [Chrome DevTools](https://github.com/ChromeDevTools/awesome-chrome-devtools) - [PostCSS](https://github.com/jdrgomes/awesome-postcss) - CSS tool. - [Draft.js](https://github.com/nikgraf/awesome-draft-js) - Rich text editor framework for React. - [Service Workers](https://github.com/TalAter/awesome-service-workers) - [Progressive Web Apps](https://github.com/TalAter/awesome-progressive-web-apps) - [choo](https://github.com/choojs/awesome-choo) - App framework. - [Redux](https://github.com/brillout/awesome-redux) - State container for JavaScript apps. - [webpack](https://github.com/webpack-contrib/awesome-webpack) - Module bundler. - [Browserify](https://github.com/browserify/awesome-browserify) - Module bundler. - [Sass](https://github.com/Famolus/awesome-sass) - CSS preprocessor. - [Ant Design](https://github.com/websemantics/awesome-ant-design) - Enterprise-class UI design language. - [Less](https://github.com/LucasBassetti/awesome-less) - CSS preprocessor. - [WebGL](https://github.com/sjfricke/awesome-webgl) - JavaScript API for rendering 3D graphics. - [Preact](https://github.com/ooade/awesome-preact) - App framework. - [Progressive Enhancement](https://github.com/jbmoelker/progressive-enhancement-resources) - [Next.js](https://github.com/unicodeveloper/awesome-nextjs) - Framework for server-rendered React apps. - [Hyperapp](https://github.com/hyperapp/awesome-hyperapp) - Tiny JavaScript library for building web apps. ## Back-End Development - [Django](https://github.com/rosarior/awesome-django) - [Flask](https://github.com/humiaozuzu/awesome-flask) - [Docker](https://github.com/veggiemonk/awesome-docker) - [Vagrant](https://github.com/iJackUA/awesome-vagrant) - [Pyramid](https://github.com/uralbash/awesome-pyramid) - [Play1 Framework](https://github.com/PerfectCarl/awesome-play1) - [CakePHP](https://github.com/friendsofcake/awesome-cakephp) - PHP framework. - [Symfony](https://github.com/sitepoint-editors/awesome-symfony) - [Education](https://github.com/pehapkari/awesome-symfony-education) - [Laravel](https://github.com/chiraggude/awesome-laravel) - PHP framework. - [Education](https://github.com/fukuball/Awesome-Laravel-Education) - [Rails](https://github.com/ekremkaraca/awesome-rails) - Web app framework for Ruby. - [Gems](https://github.com/hothero/awesome-rails-gem) - Packages. - [Phalcon](https://github.com/phalcon/awesome-phalcon) - [Useful `.htaccess` Snippets](https://github.com/phanan/htaccess) - [nginx](https://github.com/fcambus/nginx-resources) - Web server. - [Dropwizard](https://github.com/stve/awesome-dropwizard) - [Kubernetes](https://github.com/ramitsurana/awesome-kubernetes) - [Lumen](https://github.com/unicodeveloper/awesome-lumen) - [Serverless Framework](https://github.com/pmuens/awesome-serverless) - [Apache Wicket](https://github.com/PhantomYdn/awesome-wicket) - Java web app framework. - [Vert.x](https://github.com/vert-x3/vertx-awesome) - Toolkit for building reactive apps on the JVM. - [Terraform](https://github.com/shuaibiyy/awesome-terraform) - Tool for building, changing, and versioning infrastructure. ## Computer Science - [University Courses](https://github.com/prakhar1989/awesome-courses) - [Data Science](https://github.com/bulutyazilim/awesome-datascience) - [Tutorials](https://github.com/siboehm/awesome-learn-datascience) - [Machine Learning](https://github.com/josephmisiti/awesome-machine-learning) - [Tutorials](https://github.com/ujjwalkarn/Machine-Learning-Tutorials) - [ML with Ruby](https://github.com/arbox/machine-learning-with-ruby) - Learning, implementing, and applying Machine Learning using Ruby. - [Core ML Models](https://github.com/likedan/Awesome-CoreML-Models) - Models for Apple's machine learning framework. - [Speech and Natural Language Processing](https://github.com/edobashira/speech-language-processing) - [Spanish](https://github.com/dav009/awesome-spanish-nlp) - [NLP with Ruby](https://github.com/arbox/nlp-with-ruby) - [Linguistics](https://github.com/theimpossibleastronaut/awesome-linguistics) - [Cryptography](https://github.com/sobolevn/awesome-cryptography) - [Computer Vision](https://github.com/jbhuang0604/awesome-computer-vision) - [Deep Learning](https://github.com/ChristosChristofidis/awesome-deep-learning) - Neural networks. - [TensorFlow](https://github.com/jtoy/awesome-tensorflow) - Library for machine intelligence. - [Papers](https://github.com/terryum/awesome-deep-learning-papers) - The most cited deep learning papers. - [Education](https://github.com/guillaume-chevalier/awesome-deep-learning-resources) - [Deep Vision](https://github.com/kjw0612/awesome-deep-vision) - [Open Source Society University](https://github.com/ossu/computer-science) - [Functional Programming](https://github.com/lucasviola/awesome-functional-programming) - [Static Analysis & Code Quality](https://github.com/mre/awesome-static-analysis) - [Information Retrieval](https://github.com/harpribot/awesome-information-retrieval) - Learn to develop your own search engine. ## Big Data - [Big Data](https://github.com/onurakpolat/awesome-bigdata) - [Public Datasets](https://github.com/awesomedata/awesome-public-datasets) - [Hadoop](https://github.com/youngwookim/awesome-hadoop) - Framework for distributed storage and processing of very large data sets. - [Data Engineering](https://github.com/igorbarinov/awesome-data-engineering) - [Streaming](https://github.com/manuzhang/awesome-streaming) - [Apache Spark](https://github.com/awesome-spark/awesome-spark) - Unified engine for large-scale data processing. ## Theory - [Papers We Love](https://github.com/papers-we-love/papers-we-love) - [Talks](https://github.com/JanVanRyswyck/awesome-talks) - [Algorithms](https://github.com/tayllan/awesome-algorithms) - [Algorithm Visualizations](https://github.com/enjalot/algovis) - [Artificial Intelligence](https://github.com/owainlewis/awesome-artificial-intelligence) - [Search Engine Optimization](https://github.com/marcobiedermann/search-engine-optimization) - [Competitive Programming](https://github.com/lnishan/awesome-competitive-programming) - [Math](https://github.com/rossant/awesome-math) - [Recursion Schemes](https://github.com/passy/awesome-recursion-schemes) - Traversing nested data structures. ## Books - [Free Programming Books](https://github.com/EbookFoundation/free-programming-books) - [Free Software Testing Books](https://github.com/ligurio/awesome-software-quality) - [Go Books](https://github.com/dariubs/GoBooks) - [R Books](https://github.com/RomanTsegelskyi/rbooks) - [Mind Expanding Books](https://github.com/hackerkid/Mind-Expanding-Books) - [Book Authoring](https://github.com/TalAter/awesome-book-authoring) - [Elixir Books](https://github.com/sger/ElixirBooks) ## Editors - [Sublime Text](https://github.com/dreikanter/sublime-bookmarks) - [Vim](https://github.com/mhinz/vim-galore) - [Emacs](https://github.com/emacs-tw/awesome-emacs) - [Atom](https://github.com/mehcode/awesome-atom) - Open-source and hackable text editor. - [Visual Studio Code](https://github.com/viatsko/awesome-vscode) - Cross-platform open-source text editor. ## Gaming - [Game Development](https://github.com/ellisonleao/magictools) - [Game Talks](https://github.com/hzoo/awesome-gametalks) - [Godot](https://github.com/Calinou/awesome-godot) - Game engine. - [Open Source Games](https://github.com/leereilly/games) - [Unity](https://github.com/RyanNielson/awesome-unity) - Game engine. - [Chess](https://github.com/hkirat/awesome-chess) - [LÖVE](https://github.com/love2d-community/awesome-love2d) - Game engine. - [PICO-8](https://github.com/felipebueno/awesome-PICO-8) - Fantasy console. - [Game Boy Development](https://github.com/avivace/awesome-gbdev) - [Construct 2](https://github.com/armaldio/awesome-construct) - Game engine. - [Gideros](https://github.com/stetso/awesome-gideros) - Game engine. ## Development Environment - [Quick Look Plugins](https://github.com/sindresorhus/quick-look-plugins) - For macOS. - [Dev Env](https://github.com/jondot/awesome-devenv) - [Dotfiles](https://github.com/webpro/awesome-dotfiles) - [Shell](https://github.com/alebcay/awesome-shell) - [Fish](https://github.com/fisherman/awesome-fish-shell) - User-friendly shell. - [Command-Line Apps](https://github.com/agarrharr/awesome-cli-apps) - [ZSH Plugins](https://github.com/unixorn/awesome-zsh-plugins) - [GitHub](https://github.com/phillipadsmith/awesome-github) - Hosting service for Git repositories. - [Browser Extensions](https://github.com/stefanbuck/awesome-browser-extensions-for-github) - [Cheat Sheet](https://github.com/tiimgreen/github-cheat-sheet) - [Git Cheat Sheet & Git Flow](https://github.com/arslanbilal/git-cheat-sheet) - [Git Tips](https://github.com/git-tips/tips) - [Git Add-ons](https://github.com/stevemao/awesome-git-addons) - Enhance the `git` CLI. - [SSH](https://github.com/moul/awesome-ssh) - [FOSS for Developers](https://github.com/tvvocold/FOSS-for-Dev) - [Hyper](https://github.com/bnb/awesome-hyper) - Cross-platform terminal app built on web technologies. - [PowerShell](https://github.com/janikvonrotz/awesome-powershell) - Cross-platform object-oriented shell. - [Alfred Workflows](https://github.com/derimagia/awesome-alfred-workflows) - Productivity app for macOS. - [Terminals Are Sexy](https://github.com/k4m4/terminals-are-sexy) ## Entertainment - [Science Fiction](https://github.com/sindresorhus/awesome-scifi) - Scifi. - [Fantasy](https://github.com/RichardLitt/awesome-fantasy) - [Podcasts](https://github.com/guipdutra/awesome-geek-podcasts) - [Email Newsletters](https://github.com/vredniy/awesome-newsletters) - [IT Quotes](https://github.com/victorlaerte/awesome-it-quotes) ## Databases - [Database](https://github.com/numetriclabz/awesome-db) - [MySQL](https://github.com/shlomi-noach/awesome-mysql/blob/gh-pages/index.md) - [SQLAlchemy](https://github.com/dahlia/awesome-sqlalchemy) - [InfluxDB](https://github.com/mark-rushakoff/awesome-influxdb) - [Neo4j](https://github.com/neueda/awesome-neo4j) - [MongoDB](https://github.com/ramnes/awesome-mongodb) - NoSQL database. - [RethinkDB](https://github.com/d3viant0ne/awesome-rethinkdb) - [TinkerPop](https://github.com/mohataher/awesome-tinkerpop) - Graph computing framework. - [PostgreSQL](https://github.com/dhamaniasad/awesome-postgres) - Object-relational database. - [CouchDB](https://github.com/quangv/awesome-couchdb) - Document-oriented NoSQL database. - [HBase](https://github.com/rayokota/awesome-hbase) - Distributed, scalable, big data store. ## Media - [Creative Commons Media](https://github.com/shime/creative-commons-media) - [Fonts](https://github.com/brabadu/awesome-fonts) - [Codeface](https://github.com/chrissimpkins/codeface) - Text editor fonts. - [Stock Resources](https://github.com/neutraltone/awesome-stock-resources) - [GIF](https://github.com/davisonio/awesome-gif) - Image format known for animated images. - [Music](https://github.com/ciconia/awesome-music) - [Open Source Documents](https://github.com/hubtee/awesome-opensource-documents) - [Audio Visualization](https://github.com/willianjusten/awesome-audio-visualization) - [Broadcasting](https://github.com/ebu/awesome-broadcasting) - [Pixel Art](https://github.com/Siilwyn/awesome-pixel-art) - Pixel-level digital art. ## Learn - [CLI Workshoppers](https://github.com/therebelrobot/awesome-workshopper) - Interactive tutorials. - [Learn to Program](https://github.com/karlhorky/learn-to-program) - [Speaking](https://github.com/matteofigus/awesome-speaking) - [Tech Videos](https://github.com/lucasviola/awesome-tech-videos) - [Dive into Machine Learning](https://github.com/hangtwenty/dive-into-machine-learning) - [Computer History](https://github.com/watson/awesome-computer-history) - [Programming for Kids](https://github.com/HollyAdele/awesome-programming-for-kids) - [Educational Games](https://github.com/yrgo/awesome-eg) - Learn while playing. - [JavaScript Learning](https://github.com/micromata/awesome-javascript-learning) ## Security - [Application Security](https://github.com/paragonie/awesome-appsec) - [Security](https://github.com/sbilly/awesome-security) - [CTF](https://github.com/apsdehal/awesome-ctf) - Capture The Flag. - [Malware Analysis](https://github.com/rshipp/awesome-malware-analysis) - [Android Security](https://github.com/ashishb/android-security-awesome) - [Hacking](https://github.com/carpedm20/awesome-hacking) - [Honeypots](https://github.com/paralax/awesome-honeypots) - Deception trap, designed to entice an attacker into attempting to compromise the information systems in an organization. - [Incident Response](https://github.com/meirwah/awesome-incident-response) - [Vehicle Security and Car Hacking](https://github.com/jaredthecoder/awesome-vehicle-security) - [Web Security](https://github.com/qazbnm456/awesome-web-security) - Security of web apps & services. - [Lockpicking](https://github.com/meitar/awesome-lockpicking) - The art of unlocking a lock by manipulating its components without the key. ## Content Management Systems - [Umbraco](https://github.com/leekelleher/awesome-umbraco) - [Refinery CMS](https://github.com/refinerycms-contrib/awesome-refinerycms) - Ruby on Rails CMS. - [Wagtail](https://github.com/springload/awesome-wagtail) - Django CMS focused on flexibility and user experience. - [Textpattern](https://github.com/drmonkeyninja/awesome-textpattern) - Lightweight PHP-based CMS. - [Drupal](https://github.com/nirgn975/awesome-drupal) - Extensible PHP-based CMS. - [Craft CMS](https://github.com/craftcms/awesome) - Content-first CMS. ## Hardware - [Robotics](https://github.com/Kiloreux/awesome-robotics) - [Internet of Things](https://github.com/HQarroum/awesome-iot) - [Electronics](https://github.com/monostable/awesome-electronics) - For electronic engineers and hobbyists. - [Bluetooth Beacons](https://github.com/beaconinside/awesome-beacon) - [Electric Guitar Specifications](https://github.com/gitfrage/guitarspecs) - Checklist for building your own electric guitar. ## Business - [Open Companies](https://github.com/opencompany/awesome-open-company) - [Places to Post Your Startup](https://github.com/mmccaff/PlacesToPostYourStartup) - [OKR Methodology](https://github.com/domenicosolazzo/awesome-okr) - Goal setting & communication best practices. - [Leading and Managing](https://github.com/LappleApple/awesome-leading-and-managing) - Leading people and being a manager in a technology company/environment. - [Indie](https://github.com/mezod/awesome-indie) - Independent developer businesses. ## Work - [Slack](https://github.com/matiassingers/awesome-slack) - Team collaboration. - [Communities](https://github.com/filipelinhares/awesome-slack) - [Remote Jobs](https://github.com/lukasz-madon/awesome-remote-job) - [Productivity](https://github.com/jyguyomarch/awesome-productivity) - [Niche Job Boards](https://github.com/tramcar/awesome-job-boards) - [Programming Interviews](https://github.com/MaximAbramchuck/awesome-interview-questions) ## Networking - [Software-Defined Networking](https://github.com/sdnds-tw/awesome-sdn) - [Network Analysis](https://github.com/briatte/awesome-network-analysis) - [PCAPTools](https://github.com/caesar0301/awesome-pcaptools) ## Decentralized Systems - [Bitcoin](https://github.com/igorbarinov/awesome-bitcoin) - Bitcoin services and tools for software developers. - [Ripple](https://github.com/vhpoet/awesome-ripple) - Open source distributed settlement network. - [Non-Financial Blockchain](https://github.com/machinomy/awesome-non-financial-blockchain) - Non-financial blockchain applications. - [Mastodon](https://github.com/tleb/awesome-mastodon) - Open source decentralized microblogging network. ## Miscellaneous - [JSON](https://github.com/burningtree/awesome-json) - Text based data interchange format. - [GeoJSON](https://github.com/tmcw/awesome-geojson) - [Datasets](https://github.com/jdorfman/awesome-json-datasets) - [Discounts for Student Developers](https://github.com/AchoArnold/discount-for-student-dev) - [Conferences](https://github.com/RichardLitt/awesome-conferences) - [Sysadmin](https://github.com/n1trux/awesome-sysadmin) - [Radio](https://github.com/kyleterry/awesome-radio) - [Awesome](https://github.com/sindresorhus/awesome) - Recursion illustrated. - [Analytics](https://github.com/onurakpolat/awesome-analytics) - [REST](https://github.com/marmelab/awesome-rest) - [Selenium](https://github.com/christian-bromann/awesome-selenium) - [Appium](https://github.com/SrinivasanTarget/awesome-appium) - Test automation tool for apps. - [Continuous Integration and Continuous Delivery](https://github.com/ciandcd/awesome-ciandcd) - [Services Engineering](https://github.com/mmcgrana/services-engineering) - [Free for Developers](https://github.com/ripienaar/free-for-dev) - [Answers](https://github.com/cyberglot/awesome-answers) - Stack Overflow, Quora, etc. - [Sketch](https://github.com/diessica/awesome-sketch) - Design app for macOS. - [Boilerplate Projects](https://github.com/melvin0008/awesome-projects-boilerplates) - [Readme](https://github.com/matiassingers/awesome-readme) - [Tools](https://github.com/cjbarber/ToolsOfTheTrade) - [Styleguides](https://github.com/RichardLitt/awesome-styleguides) - [Design and Development Guides](https://github.com/NARKOZ/guides) - [Software Engineering Blogs](https://github.com/kilimchoi/engineering-blogs) - [Self Hosted](https://github.com/Kickball/awesome-selfhosted) - [FOSS Production Apps](https://github.com/jwaterfaucett/awesome-foss-apps) - [Gulp](https://github.com/alferov/awesome-gulp) - Task runner. - [AMA](https://github.com/sindresorhus/amas) - Ask Me Anything. - [Answers](https://github.com/stoeffel/awesome-ama-answers) - [Open Source Photography](https://github.com/ibaaj/awesome-OpenSourcePhotography) - [OpenGL](https://github.com/eug/awesome-opengl) - Cross-platform API for rendering 2D and 3D graphics. - [GraphQL](https://github.com/chentsulin/awesome-graphql) - [Transit](https://github.com/CUTR-at-USF/awesome-transit) - [Research Tools](https://github.com/emptymalei/awesome-research) - [Data Visualization](https://github.com/fasouto/awesome-dataviz) - [Social Media Share Links](https://github.com/vinkla/shareable-links) - [Microservices](https://github.com/mfornos/awesome-microservices) - [Unicode](https://github.com/jagracey/Awesome-Unicode) - Unicode standards, quirks, packages and resources. - [Code Points](https://github.com/Codepoints/awesome-codepoints) - [Beginner-Friendly Projects](https://github.com/MunGell/awesome-for-beginners) - [Katas](https://github.com/gamontal/awesome-katas) - [Tools for Activism](https://github.com/drewrwilson/toolsforactivism) - [Citizen Science](https://github.com/dylanrees/citizen-science) - For community-based and non-institutional scientists. - [TAP](https://github.com/sindresorhus/awesome-tap) - Test Anything Protocol. - [MQTT](https://github.com/hobbyquaker/awesome-mqtt) - "Internet of Things" connectivity protocol. - [Hacking Spots](https://github.com/diasdavid/awesome-hacking-spots) - [For Girls](https://github.com/cristianoliveira/awesome4girls) - [Vorpal](https://github.com/vorpaljs/awesome-vorpal) - Node.js CLI framework. - [Vulkan](https://github.com/vinjn/awesome-vulkan) - Low-overhead, cross-platform 3D graphics and compute API. - [LaTeX](https://github.com/egeerardyn/awesome-LaTeX) - Typesetting language. - [Economics](https://github.com/antontarasenko/awesome-economics) - An economist's starter kit. - [Funny Markov Chains](https://github.com/sublimino/awesome-funny-markov) - [Bioinformatics](https://github.com/danielecook/Awesome-Bioinformatics) - [Colorful](https://github.com/Siddharth11/Colorful) - Choose your next color scheme. - [Steam](https://github.com/scholtzm/awesome-steam) - Digital distribution platform. - [Bots](https://github.com/hackerkid/bots) - Building bots. - [Site Reliability Engineering](https://github.com/dastergon/awesome-sre) - [Empathy in Engineering](https://github.com/KimberlyMunoz/empathy-in-engineering) - Building and promoting more compassionate engineering cultures. - [DTrace](https://github.com/xen0l/awesome-dtrace) - Dynamic tracing framework. - [Userscripts](https://github.com/brunocvcunha/awesome-userscripts) - Enhance your browsing experience. - [Pokémon](https://github.com/tobiasbueschel/awesome-pokemon) - Pokémon and Pokémon GO. - [ChatOps](https://github.com/exAspArk/awesome-chatops) - Managing technical and business operations through a chat. - [Falsehood](https://github.com/kdeldycke/awesome-falsehood) - Falsehoods programmers believe in. - [Domain-Driven Design](https://github.com/heynickc/awesome-ddd) - Software development approach for complex needs by connecting the implementation to an evolving model. - [Quantified Self](https://github.com/woop/awesome-quantified-self) - Self-tracking through technology. - [SaltStack](https://github.com/hbokh/awesome-saltstack) - Python-based config management system. - [Web Design](https://github.com/nicolesaidy/awesome-web-design) - For digital designers. - [JMeter](https://github.com/aliesbelik/awesome-jmeter) - Load testing and performance measurement tool. - [Creative Coding](https://github.com/terkelg/awesome-creative-coding) - Programming something expressive instead of something functional. - [No-Login Web Apps](https://github.com/aviaryan/awesome-no-login-web-apps) - Web apps that work without login. - [Testing](https://github.com/TheJambo/awesome-testing) - Software testing. - [Free Software](https://github.com/johnjago/awesome-free-software) - Free as in freedom. - [Framer](https://github.com/podo/awesome-framer) - Prototyping interactive UI designs. - [Markdown](https://github.com/BubuAnabelas/awesome-markdown) - Markup language. - [Dev Fun](https://github.com/mislavcimpersak/awesome-dev-fun) - Funny developer projects. - [Events in the Netherlands](https://github.com/awkward/awesome-netherlands-events) - Tech-related events in the Netherlands. - [Healthcare](https://github.com/kakoni/awesome-healthcare) - Open source healthcare software for facilities, providers, developers, policy experts, and researchers. - [Magento 2](https://github.com/DavidLambauer/awesome-magento2) - Open Source eCommerce built with PHP. - [TikZ](https://github.com/xiaohanyu/awesome-tikz) - Graph drawing packages for TeX/LaTeX/ConTeXt. - [Neuroscience](https://github.com/analyticalmonk/awesome-neuroscience) - Study of the nervous system and brain. - [Ad-Free](https://github.com/johnjago/awesome-ad-free) - Ad-free alternatives. - [Esolangs](https://github.com/angrykoala/awesome-esolangs) - Programming languages designed for experimentation or as jokes rather than actual use. - [Prometheus](https://github.com/roaldnefs/awesome-prometheus) - Open-source monitoring system. - [Homematic](https://github.com/hobbyquaker/awesome-homematic) - Smart home devices. - [Ledger](https://github.com/sfischer13/awesome-ledger) - Double-entry accounting on the command-line. - [Uncopyright](https://github.com/johnjago/awesome-uncopyright) - Public domain works. - [Crypto Currency Tools & Algorithms](https://github.com/kennethreitz/awesome-coins) — Digital currency where encryption is used to regulate the generation of units and verify transfers. - [Diversity](https://github.com/folkswhocode/awesome-diversity) - Creating a more inclusive and diverse tech community. - [Open Source Supporters](https://github.com/zachflower/awesome-open-source-supporters) - Companies that offer their tools and services for free to open source projects. - [Design Principles](https://github.com/robinstickel/awesome-design-principles) - Create better and more consistent designs and experiences. - [Visual Regression Testing](https://github.com/mojoaxel/awesome-regression-testing) - Ensures changes did not break the functionality or style. - [Theravada](https://github.com/johnjago/awesome-theravada) - Teachings from the Theravada Buddhist tradition. - [inspectIT](https://github.com/inspectit-labs/awesome-inspectit) - Open source Java app performance management tool. ## License [![CC0](http://mirrors.creativecommons.org/presskit/buttons/88x31/svg/cc-zero.svg)](https://creativecommons.org/publicdomain/zero/1.0/) To the extent possible under law, [Sindre Sorhus](https://sindresorhus.com) has waived all copyright and related or neighboring rights to this work. ================================================ FILE: human_curated_lists/best-student-discount-services.md ================================================ # Collective discounts * [International Student Identity Card](https://www.isic.org/): Any full-time student over 12 years old qualifies for 42,000 discounts in 130 countries * [GitHub Student Developer Pack](https://education.github.com/pack): Discounts on several software products offered through Github * [Student Advantage Card](http://www.studentadvantage.com/discountcard/): Save money on over 100 national brands on a variety of products * [AWS Educate](https://www.awseducate.com/microsite/CommunitiesEngageHome): credits to access AWS services for free. Free labs on services such as EC2, S3, and others * [Microsoft Education](https://www.microsoft.com/en-in/education/students/default.aspx): Free Micrsoft Office 365 and other discounts on MS products * [Amazon Prime Student](https://www.amazon.com/Amazon-Student/b?node=668781011): a six-month trial that includes Free Two-Day Shipping, unlimited streaming of Amazon Prime movies and TV shows, unlimited photo storage with Amazon Prime Photos, 20% off pre-order and new release video games, exclusive deals and savings, and more! 50% off after the six-month trial period * [Microsoft Imagine](https://imagine.microsoft.com/en-us/Catalog/Product/99): pack of Microsoft cloud services like Azure, for deploying projects, free for students. # Electronic devices * [Apple](http://store.apple.com/us/browse/campaigns/education_pricing): Students and educators save 5% off most purchases; save up to $200 on a new Mac or a new iPad with Apple’s Education pricing. * [Microsoft](https://www.microsoft.com/en-us/education/students/default.aspx): Save up to $194 on a Surface Pro 3, get 10% off accessories, and get special pricing on software. * [Adobe](https://www.apple.com/us-hed/shop): Full-time students can receive discounts on software like 60% off Creative Cloud * [Dell](http://www.dell.com/learn/us/en/6099/campaigns/welcome-to-dell-university): offers discounts on laptops, desktops, and more * [Lenovo](): Lenovo has an Academic Purchase Program that offers student discounts on laptops, tablets, and desktop computers. Discounts vary depending on your school. * [Sony](http://store.sony.com/gsi/webstore/WFS/SNYNA-SNYUS-Site/en_US/-/USD/ViewPurchasePrograms-EDULandingPage): Through Sony Student Store membership, get 10% off merchandise # Productivity apps * [Evernote](https://evernote.com/students/): One year of the premium plan for 50% off * [Microsoft Office 365](https://www.microsoft.com/en-in/education/students/default.aspx): Free for students # Software ### Version control * [Tower](http://www.git-tower.com/buy) - Version control with git. Students get a 50% discount * [GitKraken PRO](https://www.gitkraken.com/github-student-developer-pack) - Free for 1 year via [GitHub Student Developer Pack](https://education.github.com/pack) ### Design and modeling tools * [Sketch](https://backend.bohemiancoding.com/store/edu/) - 50% off on an educational license * [Axure RP](http://www.axure.com/edu): Free educational license of Axure RP Pro * [Vertabelo](https://my.vertabelo.com/sign-up/create-academic): Free academic accounts for students * [Framer](http://framerjs.com/pricing/): 50% off on an educational license * [Lucidchart](https://www.lucidchart.com/pages/usecase/education): Free professional software for DFDs,flowcharts, organisational charts, website wireframes, UML designs, mind maps, software prototypes, and many other diagram types (Use learner college student id to get unlimited access) ### Game Development Tools * [Unity3D](https://unity3d.com/education): Students are offered a yearly license for $100 USD * [Unreal Game Engine](https://www.unrealengine.com/education): Free through [Github Student Developer Pack](https://education.github.com/pack) ## IDE and Code Editing * [Intel® Parallel Studio XE 2015](https://software.intel.com/en-us/qualify-for-free-software/student): Free for students * [Xamarin IDE](http://xamarin.com/student): Free for students * [Bootstrap Studio](https://bootstrapstudio.io/pages/student-license): Free for students * [JetBrains Pack](https://www.jetbrains.com/student/): Free professional IDEs for C/C++/Python/Java/JS/PHP/Ruby/etc for students ### 3D Animation and Modeling Software * [Autodesk Entertainment Creation Suite Ultimate](http://www.autodesk.com/education/free-software/entertainment-creation-suite-ultimate): 3-Year free License for students ### Visual Analytics * [CartoDB](https://cartodb.com/solutions/education-and-research/): Additional space & features for free accounts or 20% discount on paid accounts * [Tableau Desktop](https://www.tableau.com/academic/students): One Year free Professional License for Students * [SAS University Edition](http://www.sas.com/en_us/software/university-edition.html): Free for students # Developer Services * [HackHands](https://hackhands.com/education/): $25 in platform credit to students via [Github Student Developer Pack](https://education.github.com/pack) * [Amazon Web Services](http://www.awseducate.com/application) - free by joining AWS Educate today * [Send Grid](https://sendgrid.com/partner/github-education) - 15K free emails/month (normally limited to 200 free emails/day) via [Github Student Developer Pack](https://education.github.com/pack) * [Adobe Creative Cloud](http://www.adobe.com/creativecloud/buy/students.html) - 60% off for students * [Domino Cloud Environment](https://www.dominodatalab.com/domino-for-good/for-students/) - free computational power to work on data science projects # Music * [Spotify](https://www.spotify.com/us/student/): $4.99/month for students * [Apple Music](https://support.apple.com/en-us/HT205928): Discount for 4 years * [Cascio Interstate Music](http://www.interstatemusic.com/): 10% off orders over $69 # Shipping * [FedEx](http://www.fedex.com/kr_english/about/local/currentattractions/sdc.html): Discount of 30% off a document with FedEx Envelop/Pak and 20% off a package with FedEx IP service # Insurance * [StateFarm](https://www.statefarm.com/insurance/auto/discounts/): 25% off on keeping good grades * [Geico](https://www.geico.com/save/discounts/student-discounts/): Students under 25 with good grades can get up to a 15% discount # Newspaper Subscription * [Wall Street Journal](https://buy.wsj.com/shopandbuy/order/subscribe.jsp?trackCode=aaqntppp): $49 a year * [NewYork Times](https://www.nytimes.com/subscriptions/edu/lp8LQFK.html): $1 a week * [Economist](https://subscription.economist.com/DE/EngCore/Ecom/Default): Discount varies on plan # Hotel * [Planet Hollywood](https://www.caesars.com/planet-hollywood): 15% off on rooms * [Harrah's Laughlin](https://www.totalrewards.com/reserve/): 15% off on bookings # Travel * [Eurail](http://www.eurail.com/eurail-passes/deals-discounts/youth-discounts): 35% off the regular Adult Fare for students under 25 * [Amtrak](http://www.amtrak.com/student-discount): 10% off on train and bus service * [Budget Truck Rental](https://www.budgettruck.com/): Up to 20% off truck rental * [METROLINK](http://www.metrolinktrains.com/ticketspricing/page/title/discounts): 25% off Monthly Pass, 7-Day Pass, One-Way and Round-Trip tickets # Food * [Arby’s](#): Offers a 10% discount at certain locations with your student ID * [Buffalo Wild Wings](#): Get a 10% discount off those flaming wings with your student ID * [Burger King](#): 10% discount when you flash your ID * [Chick-fil-A](#): Get a free small drink to accompany your chicken sandwich and waffle fries (or any meal) when you show your ID * [Chipotle](#): Offers a free small drink with your meal when you show your student ID * [Dairy Queen](#): Offers a 10% discount for students with ID. * [McDonalds](#): 10% discount with your student ID * [Qdoba](#): Offers a free drink for students when you purchase a meal, as well as burrito meals for $5 # Apparel * [Alex and Ani](#): Students get 10% off in stores with a when you flash a valid school ID. * [ASOS](#): Stay stylish with 10% off ASOS duds * [Banana Republic](#), [J.Crew](), [The Limited](), [Medelita](), [Madewell](): 15% off * [Club Monaco](#): 20% off regular and sale priced items in any Club Monaco store and online * [Goodwill](#): 10% discount with student ID * [TOMS](#): 10% cash back on shoes * [Topshop](#): 10% off Topshop apparel in stores and online # Vehicles * [Chevrolet](http://www.chevrolet.com/discounts): Discounts available on selected models for professors and students * [GM](https://www.gmcollegediscount.com/vehicles/): Discounts available on selected models of 3 brands # Courses * [Faltiron School](https://flatironschool.com/): Free one-month membership ($149 value) to Community-Powered Bootcamp * [Thinkful](https://www.thinkful.com/): One month of access to a web development course # Entertainment * [Cinemark](http://www.cinemark.com/discounts-student-discounts): Get discounts on movie tickets; 25% OFF pre-paid movie tickets through [SA card](http://www.studentadvantage.com/discountcard/) * [Regal Cinemas](https://www.regmovies.com/help/entry/student-discount): Find local theaters offering student discounts # Lens and spectacles * [Glasses USA](https://www.glassesusa.com/students-discount): 55% off frames with clear single-vision lenses * [Lenstore.co.uk](https://www.lenstore.co.uk/unidays-student-discount): 15% off on the first order # Web Hosting * [Digital Ocean](https://www.digitalocean.com) - Provides $50 in hosting credit for every student that signs up for the [Github Student Developer Pack](https://education.github.com/pack) * [Gwiddle](https://gwiddle.co.uk) - Provides hosting for 2 websites, 5 mail accounts, 4 MySQL DBs, 4 cron jobs, 1.5GB bandwidth, and 2GB diskspace free to verified students. * [RoseHosting](https://www.rosehosting.com) - Offers a recurring 20% discount on all their [managed Linux VPS](https://www.rosehosting.com/linux-vps-hosting.html) and [Shared hosting plans](https://www.rosehosting.com/linux-shared-hosting.html) when paying monthly. Students can use the discount by applying the coupon code `STUDENT20`. # Domain Name * [NameCheap](http://nc.me) - One year of free domain name registration on the `.me` TLD ($18.99/year) via [Github Student Developer Pack](https://education.github.com/pack) ---

Code of conduct | Contribute

================================================ FILE: lists.json ================================================ [ { "title": "Best Student Discount Services", "description": "A student ID 💳 is a key 🔑 that unlocks 🔐 several deals and free stuff 🎉 that can make life better. This is a list of the best services that offer student discounts that students must try.", "author": "OpenGenus Foundation", "authorlink" : "http://opengenus.org/", "filename": "best-student-discount-services" }, { "title": "Awesome Lists", "description": "😎 Curated list of awesome lists ", "author": "Sindre Sorhus", "authorlink" : "http://awesome.re/", "filename": "awesome-lists" }, { "title": "Awesome Competitive Coding", "description": "A Curated list of Topic wise Theory and Questions to Get You Started On Competitive Coding.", "author": "Mihir Rana", "authorlink" : "http://ranamihir.github.io", "filename": "awesome-competitive-coding" } ] ================================================ FILE: manage.py ================================================ #!/usr/bin/env python import os import sys if __name__ == "__main__": os.environ.setdefault("DJANGO_SETTINGS_MODULE", "cosmos_search.settings") try: from django.core.management import execute_from_command_line except ImportError: # The above import may fail for some other reason. Ensure that the # issue is really that Django is missing to avoid masking other # exceptions on Python 2. try: import django # noqa except ImportError: raise ImportError( "Couldn't import Django. Are you sure it's installed and " "available on your PYTHONPATH environment variable? Did you " "forget to activate a virtual environment?" ) raise execute_from_command_line(sys.argv) ================================================ FILE: metadata.json ================================================ {"string_algorithms/src/kmp_algorithm": ["README.md", "kmp_algorithm.cpp", "kmp.py"], "string_algorithms/src/lipogram_checker": ["lipogram_checker.js", "lipogram_checker.cs", "lipogram_checker.py", "lipogram_checker.cpp"], "string_algorithms/src/pangram_checker": ["pangram_checker.swift", "Pangram.java", "pangram_checker.c", "pangram.rb", "pangram_checker.py", "pangram_checker.php", "pangram-checker.js", "pangram_checker.m", "pangram_checker.go", "pangram.cpp"], "string_algorithms/src/password_strength_checker": ["README.md", "pw_checker.js", "pw_checker.py", "pw_checker.cpp", "pw_checker.java", "pw_checker.cs"], "string_algorithms/src/anagram_search": ["anagram_search.swift", "anagram_search.go", "README.md", "anagram_search.cpp", "anagram_search.java", "anagram_search.c", "anagram_search.js", "anagram_search.py", "anagram_search.cs", "anagram_search.rb"], "string_algorithms/src/morse_code": ["morsecode.js", "morsecode.go", "morsecode.py"], "string_algorithms/src/boyer_moore_algorithm": ["boyer_moore_algorithm.cpp", "README.md", "boyer_moore_algorithm2.c", "boyer_moore_algorithm.c"], "string_algorithms/src/remove_dups": ["remove_dumps.py", "remove_dups.cpp", "remove_dups.c"], "string_algorithms/src/manachar_algorithm": ["manachar_longest_palindromic_subs.cpp", "manachar_longest_palindromic_subs.py"], "string_algorithms/src/finite_automata": ["README.md", "SearchStringUsingDFA.java", "SearchStringUsingDFA.rs"], "string_algorithms/src/palindrome_checker": ["palindrome.cs", "palindrome.php", "Palindrome.purs", "palindrome.lua", "palindrome.sh", "palindrome.ex", "palindrome.erl", "palindrome.c", "palindrome.go", "palindrome.hs", "palindrome.py", "palindrome.swift", "palindrome.cpp", "palindrome.js", "Palindrome.java", "palindrome.clj", "palindrome.rs", 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"rail_fence.rb", "rail_fence.cpp"], "cryptography/src/caesar_cipher": ["caesar_cipher.js", "caesar_cipher.rb", "caesar_cipher.java", "README.md", "caesar_cipher.go", "caesar_cipher.cpp", "caesar_cipher.cs", "decryption.cpp", "caesar_cipher.hs", "caesar_cipher.php", "caesar_cipher.py", "caesar_cipher.c", "encryption.cpp"], "cryptography/src/vigenere_cipher": ["README.md", "vigenere_cipher.jl", "vigenere_cipher.js", "vigenere_cipher.c", "vigenere_cipher.go", "vigenere_cipher.cpp", "vigenere_cipher.php", "vigenere_cipher.py", "vigenere_cipher.java", "vigenere_cipher.rb", "vigenere_cipher.hs"], "cryptography/src/rot13_cipher": ["rotN.js", "rotN.cpp", "README.md", "rot13.py", "rotN.c", "rot13.js", "rot13.rb", "rotN.java", "rot13.sh", "rot13.cpp"], "cryptography/src/polybius_cipher": ["polybius.py"], "cryptography/src/porta_cipher": ["porta.py"], "cryptography/src/atbash_cipher": ["README.md", "atbash_cipher.py", "atbash_cipher.cpp"], "cryptography/src/morse_cipher": ["morse_code_translator.js", "morse_code.sh", "README.md", "morse_code_translator.ts", "morse_code_translator.php", "morse_code_generator.c", "morse_code_generator.cpp", "morse_code_translator.cpp", "morse_code_translator.py", "morse_code_generator.rb", "morse_code_generator.bf", "morse_code.java", "morse_code_translator.lua"], "cryptography/src/rsa_digital_signature": ["rsa_digital_signature.ipynb"], "cryptography/src/baconian_cipher": ["baconian.py", "README.md", "baconian.php", "baconian.rb", "baconian.java"], "cryptography/src/rsa": ["rsa.py", "rsa_input.in", "rsa.cs", "RSA.java", "rsa.c"], "cryptography/src/huffman_encoding": ["huffman_encoding.c"], "cryptography/test": ["README.md"], "bit_manipulation/src/lonely_integer": ["lonely_integer.rs", "README.md", "lonelyInteger.cpp", "lonelyInteger.py", "LonelyInt.js", "LonelyInteger.c", "lonelyInteger.go", "LonelyInt.java"], "bit_manipulation/src/sum_binary_numbers": ["README.md", "sum_binary_numbers.c"], "bit_manipulation/src/byte_swapper": ["ByteSwapper.java"], "bit_manipulation/src/flip_bits": ["flippingbits.py", "README.md", "FlipBits.java", "flippingbits.cpp", "flippingbits.c"], "bit_manipulation/src/sum_equals_xor": ["README.md", "sum_equals_xor.cpp", "sum_equals_xor.py", "sum_equals_xor.c"], "bit_manipulation/src/thrice_unique_number": ["thrice_unique_number.js", "README.md", "uniqueNumber.py", "threeUnique.cpp", "ThriceUniqueNumber.java"], "bit_manipulation/src/power_of_2": ["PowerOf2.cs", "power_of_2.jl", "power_of_2.go", "power_of_2.c", "PowerOf2.java", "power_of_2.cpp", "power_of_2.py", "power_of_2.rs", "power_of_2.js"], "bit_manipulation/src/twice_unique_number": ["README.md", "two_unique_numbers.c", "two_unique_numbers.cpp"], "bit_manipulation/src/maximum_xor_value": ["README.md", "max_xor_value.cpp"], "bit_manipulation/src/bit_division": ["README.md", "BitDivision.java", "bitDivision.c", "bitDivison.py", "bitDivision.go", "bitDivision.js"], "bit_manipulation/src/count_set_bits": ["README.md", "countSetBits.js", "count_set_bits.c", "CountSetBits.java", "count_set_bits.py", "count_set_bits.cpp", "count_set_bits_lookup_table.cpp"], "bit_manipulation/src/invert_bit": ["invert_bit.py", "invert_bit.cpp", "invert_bit.c"], "bit_manipulation/src/magic_number": ["magic_number.java", "README.md", "magic_number.py", "magic_number.c", "nth_magic_number.cpp"], "bit_manipulation/src/hamming_distance": ["README.md", "hamming_distance.java", "hamming_distance2.py", "hamming_distance.py", "hamming_distance.c", "hamming_distance.cpp"], "bit_manipulation/src/xor_swap": ["README.md", "xor_swap.c", "xor_swap.cpp", "xor_swap.py", "xorSwap.go"], "bit_manipulation/src/subset_generation": ["README.md", "subsetgeneratorusingbit.cpp", "subset_mask_generator.cpp", "subsetsum.cpp"], "bit_manipulation/src/convert_number_binary": ["convert_number_binary.hs", "convert_number_binary.php", "README.md", "convert_number_binary.c", "ConvertNumberBinary.java", "convert_number_binary.js", "convert_number_binary.cpp", "intToBinary.py", "binary_to_int.py"], "bit_manipulation/test": ["README.md"]} ================================================ FILE: requirements.txt ================================================ certifi==2017.11.5 chardet==3.0.4 Django==1.11.7 flake8==3.5.0 gitdb2==2.0.3 GitPython==2.1.7 gunicorn==19.7.1 idna==2.6 pytz==2017.3 requests==2.18.4 smmap2==2.0.3 urllib3==1.22 pep8==1.7.1 python-decouple==3.1 google-api-python-client newsapi-python ================================================ FILE: runtime.txt ================================================ python-3.6.2 ================================================ FILE: scripts/develop.sh ================================================ ################################################################################ # helper functions ################################################################################ assert() { actual_error_code=$? expect_error_code=0 if [ $# != 0 ]; then expect_error_code=$1 fi if [ $actual_error_code -ne $expect_error_code ]; then echo "exit ($actual_error_code)" exit 1 fi } ################################################################################ # test version of python and pip ################################################################################ PIP=`which pip3` assert PYTHON=`which python3` assert ################################################################################ # test venv ################################################################################ if [ "$VIRTUAL_ENV" == '' ]; then echo "Please run as venv:" echo " PYTHON -m venv env" # help to create venv echo "Type the venv-name if you want to create venv, or type Ctrl+C to exit." name='' while [ "$name" == '' ] do read name done # test venv folder is existed or not tmp=`ls $name 2>/dev/null` if [ $? == 0 ]; then echo "Are you want to override the '$name'? (y/n [n])" read answer if [ "$answer" != 'y' ] && [ "$answer" != 'yes' ]; then echo "not overwritten" exit 0 else rm -rf $name fi fi echo "Creating venv ..." $PYTHON -m venv $name echo "Please type following command and run this script again:" echo " source $name/bin/activate" exit 1 fi ################################################################################ # main ################################################################################ tmp=`ls \.env 2>/dev/null` if [ $? == 1 ]; then cp .env.example .env fi $PIP install -r requirements.txt $PYTHON manage.py createcachetable $PYTHON manage.py collectstatic $PYTHON manage.py migrate echo echo "Run server by following command:" echo " $PYTHON manage.py runserver" ================================================ FILE: search/__init__.py ================================================ ================================================ FILE: search/admin.py ================================================ from django.contrib import admin # noqa from search.models import News # Register your models here. admin.site.register(News) ================================================ FILE: search/apps.py ================================================ from django.apps import AppConfig class SearchConfig(AppConfig): name = 'search' ================================================ FILE: search/migrations/0001_initial.py ================================================ # -*- coding: utf-8 -*- # Generated by Django 1.11.7 on 2018-06-14 15:31 from __future__ import unicode_literals from django.db import migrations, models class Migration(migrations.Migration): initial = True dependencies = [ ] operations = [ migrations.CreateModel( name='News', fields=[ ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')), ('author', models.CharField(max_length=100)), ('title', models.CharField(max_length=100)), ('description', models.CharField(max_length=200)), ('url', models.URLField()), ('urlToImage', models.URLField()), ], ), ] ================================================ FILE: search/migrations/__init__.py ================================================ ================================================ FILE: search/models.py ================================================ from django.db import models # noqa # Create your models here. class News(models.Model): author = models.CharField(max_length=100) title = models.CharField(max_length=100) description = models.CharField(max_length=200) url = models.URLField(max_length=200) urlToImage = models.URLField(max_length=200) ================================================ FILE: search/templatetags/__init__.py ================================================ ================================================ FILE: search/templatetags/calculator.py ================================================ import math # expression computation class Stack: def __init__(self): self.item = [] def isEmpty(self): return self.item == [] def push(self, T): self.item.insert(0, T) def pop(self): return self.item.pop(0) def peek(self): return self.item[0] def size(self): return len(self.item) def isMathExpression(expr, op_math): token = [] i = 0 while i < len(expr): if expr[i] == ' ': i += 1 elif expr[i] == '+' and ((len(token) > 0 and token[-1] == '(') or i == 0): token.append('u+') i += 1 elif expr[i] == '-' and ((len(token) > 0 and token[-1] == '(') or i == 0): token.append('u-') i += 1 elif expr[i].isdigit() or expr[i] == '.': j = i flot = 0 while j < len(expr) and (expr[j].isdigit() or expr[j] == '.'): if expr[j] == '.': if flot == 0: flot = 1 else: return False j += 1 try: val = int(expr[i:j]) except ValueError: val = float(expr[i:j]) token.append(val) i = j elif expr[i] == '(' and len(token) > 0 and \ (str(token[-1]).isdigit() or isinstance(token[-1], float) or token[-1] == ')'): token.append('*') elif expr[i] == '(' or expr[i] == ')' or expr[i] == '+' or \ expr[i] == '*' or expr[i] == '-' or expr[i] == '/' or \ expr[i] == '%' or expr[i] == '^': token.append(expr[i]) i += 1 elif expr[i] == 'x' or expr[i] == 'X': token.append('*') i += 1 elif expr[i:i + 5].lower() in op_math: token.append(expr[i:i + 5].lower()) if i + 5 >= len(expr): return False elif expr[i + 5] != '(': return False i += 5 elif expr[i:i + 4].lower() in op_math: token.append(expr[i:i + 4].lower()) if i + 4 >= len(expr): return False elif expr[i + 4] != '(': return False i += 4 elif expr[i:i + 3].lower() in op_math: token.append(expr[i:i + 3].lower()) if i + 3 >= len(expr): return False elif expr[i + 3] != '(': return False i += 3 else: return False return token def calculate(val1, val2, op): if op == 'u-': return -val1 if op == 'u+': return val1 if op == '^': return math.pow(val1, val2) if op == '+': return val1 + val2 if op == '-': return val1 - val2 if op == '*': return val1 * val2 if op == '/': return val1 / val2 if op == '%': return val1 % val2 if op == 'sin': return math.sin(val1) if op == 'cos': return math.cos(val1) if op == 'tan': return math.tan(val1) if op == 'cot': return 1 / math.tan(val1) if op == 'cosec': return 1 / math.sin(val1) if op == 'sec': return 1 / math.cos(val1) if op == 'exp': return math.exp(val1) if op == 'sqrt': return math.sqrt(val1) if op == 'log': return math.sqrt(val1) def check_precedence(opr, i, op_precdn, op_math): if opr in op_precdn and i in op_math: return True if op_precdn.index(opr) <= 2: return True if op_precdn.index(opr) <= 5: return op_precdn.index(i) > 2 else: return op_precdn.index(i) > 5 def evaluate(tokens, op_precdn, op_math): value = Stack() operator = Stack() open_bracket = 0 for i in tokens: if i == '(': open_bracket = open_bracket + 1 operator.push(i) elif i == ')': if open_bracket > 0: while operator.peek() != '(': opr = operator.pop() if opr in op_math or opr == 'u+' or opr == 'u-': try: val = value.pop() value.push(calculate(val, -1, opr)) except IndexError: return False elif opr in op_precdn: try: val2 = value.pop() val1 = value.pop() value.push(calculate(val1, val2, opr)) except IndexError: return False operator.pop() open_bracket -= 1 else: return False elif i not in op_math and i not in op_precdn: value.push(i) else: if operator.isEmpty(): operator.push(i) else: opr = operator.peek() if opr == '(': operator.push(i) elif opr in op_math or opr == 'u+' or opr == 'u-': if not value.isEmpty(): try: val = value.pop() operator.pop() operator.push(i) value.push(calculate(val, -1, opr)) except IndexError: return False elif opr in op_precdn: if value.size() > 1: if check_precedence(opr, i, op_precdn, op_math) and \ not ((i == '^' or i in op_math) and opr == '^'): try: val2 = value.pop() val1 = value.pop() operator.pop() value.push(calculate(val1, val2, opr)) except IndexError: return False operator.push(i) else: operator.push(i) else: operator.push(i) else: return False while value.size() != 0 and operator.size() != 0: opr = operator.peek() if opr in op_math or opr == 'u+' or opr == 'u-': val = value.pop() operator.pop() try: value.push(calculate(val, -1, opr)) except IndexError: return False else: if value.size() > 1: try: val2 = value.pop() val1 = value.pop() operator.pop() value.push(calculate(val1, val2, opr)) except IndexError: return False else: break if value.size() == 1 and operator.size() == 0: return value.peek() else: return False def getResult(expr): op_precdn = ['u+', 'u-', '^', '/', '*', '%', '+', '-'] op_math = ['sin', 'cos', 'cosec', 'tan', 'sec', 'cot', 'exp', 'sqrt', 'log'] tokens = isMathExpression(expr, op_math) if tokens: return round(evaluate(tokens, op_precdn, op_math), 3) else: return None ================================================ FILE: search/templatetags/random_numbers.py ================================================ import random from django import template register = template.Library() @register.simple_tag def random_int(a, b=None): if b is None: a, b = 0, a return random.randint(a, b) @register.filter def modulo(num, val): return num % val ================================================ FILE: search/templatetags/youtube.py ================================================ import requests from apiclient.discovery import build import json from cosmos_search.settings import YOUTUBE_DATA_API_KEY from django.core.cache import cache YOUTUBE_API_SERVICE_NAME = "youtube" YOUTUBE_API_VERSION = "v3" def fetchJson(url): cached = cache.get(url) if not cached: return False else: return cached def youtube_search(options): global videos_Results videos_Results = [] if not options['nextpage']: videos_Results = [] content_details = "https://www.googleapis.com/youtube/v3/videos?part=contentDetails&" SEARCH = "https://www.googleapis.com/youtube/v3/search?" youtube = build(YOUTUBE_API_SERVICE_NAME, YOUTUBE_API_VERSION, developerKey=YOUTUBE_DATA_API_KEY) i = int(options['id']) url = (SEARCH + 'q=' + options['q'] + '&part=id,snippet&maxResults=' + str(options['max_results']) + '&pageToken=' + options['nextpage'] + '&type=video&videoEmbeddable=true&key=' + YOUTUBE_DATA_API_KEY) search_response = fetchJson(url) if not search_response: search_response = youtube.search().list( q=options['q'], part="id, snippet", maxResults=options['max_results'], pageToken=options['nextpage'], type='video', videoEmbeddable='true', ).execute() if search_response: cache.set(url, search_response) nextpage = search_response.get('nextPageToken') for search_result in search_response.get("items", []): if search_result['id']['kind'] == 'youtube#video': q = { 'id': search_result['id']['videoId'], 'key': YOUTUBE_DATA_API_KEY } d = fetchJson(content_details + '&id=' + q['id'] + '&key=' + q['key']) if d: content = json.loads(d) else: response = requests.get(content_details, q) if response.ok: cache.set(response.url, response.content.decode('utf-8')) content = json.loads(response.content.decode('utf-8')) content = list(content['items']) durationh = content[0]['contentDetails']['duration'].split('PT')[-1].split('H') if len(durationh) > 1: h = durationh[0] H = durationh[1] else: h = 0 H = durationh[0] durationm = H.split('M') if len(durationm) > 1: m = durationm[0] M = durationm[1] else: m = 0 M = durationm[0] durations = M.split('S') if len(durations) > 1: s = durations[0] else: s = 0 duration = str(h) + ":" + str(m) + ":" + str(s) pdate = search_result['snippet']['publishedAt'].split("T")[0] ptime = search_result['snippet']['publishedAt'].split("T")[1].split(".")[0] res = { 'id': i, 'title': search_result['snippet']['title'], 'videoId': search_result['id']['videoId'], 'description': search_result['snippet']['description'], 'image': search_result['snippet']['thumbnails']['high']['url'], 'embed': "https://www.youtube.com/embed/" + search_result['id']['videoId'], 'date': pdate, 'time': ptime, 'duration': duration } videos_Results.append(res) i += 1 return {'videos_Results': videos_Results, 'nextpage': nextpage} ================================================ FILE: search/tests.py ================================================ from django.test import TestCase # noqa # Create your tests here. ================================================ FILE: search/urls.py ================================================ from django.conf.urls import url from search import views urlpatterns = [ url(r'^$', views.index, name='index'), url(r'^tags/', views.tags, name='tags'), url(r'^news/', views.news, name='news'), url(r'^lists/$', views.lists, name='lists'), url(r'^lists/(?P[\w\-]+)/$', views.lists_template, name='lists_template'), url(r'^query/', views.query, name='query'), url(r'^display', views.display, name='display'), url(r'^calculator/', views.calculator, name='calculator'), ] ================================================ FILE: search/views.py ================================================ from django.http import HttpResponse from django.shortcuts import render from django.core.paginator import Paginator, EmptyPage, PageNotAnInteger from django.conf import settings import json import random from random import shuffle import re from newsapi import NewsApiClient import requests from requests.exceptions import ConnectionError, ConnectTimeout from search.models import News from search.templatetags.calculator import getResult as calculate from search.templatetags.youtube import youtube_search COSMOS_SEP = '_' # Create your views here def lists_template(request, foo): f = open(settings.LISTS_MD + foo + '.md', 'r', encoding='utf8') md = f.read() title = foo.replace("-", " ").title() args = {'md': md, 'title': title} return render(request, 'cosmos/lists_template.html', args) def lists(request): f = open(settings.LISTS_INFO, 'r', encoding='utf8') lists = list(json.load(f)) args = {"lists": lists} return render(request, 'cosmos/lists.html', args) def dicToQueries(headlines, queries): count = 1 for item in headlines["articles"]: for key, value in item.items(): if key == "title": if value is None: queries.filter(id=count).update(title="None") else: queries.filter(id=count).update(title=value) if key == "description": if value is None: queries.filter(id=count).update(description="None") else: queries.filter(id=count).update(description=value) if key == "author": if value is None: queries.filter(id=count).update(author="None") else: queries.filter(id=count).update(author=value) if key == "url": queries.filter(id=count).update(url=value) if key == "urlToImage": if value is None: queries.filter(id=count).update(urlToImage="None") else: queries.filter(id=count).update(urlToImage=value) count += 1 return queries # News Page def news(request): try: queries_list = News.objects.all() api = NewsApiClient(api_key=settings.NEWS_API_KEY) headlines = api.get_everything( sources='techcrunch, the-verge', domains="techcrunch.com, theverge.com", language='en') if len(queries_list) == 0: for item in headlines["articles"]: temp = News(author=item["author"], title=item["title"], description=item["description"], url=item["url"], urlToImage=item["urlToImage"]) temp.save() queries_list = News.objects.all() args = {"queries": queries_list} if headlines["status"] == "ok": modified_queries = dicToQueries(headlines, queries_list) paginator = Paginator(modified_queries, 7) else: paginator = Paginator(queries_list, 7) page = request.GET.get('page') try: queries = paginator.page(page) except PageNotAnInteger: # If page is not an integer, deliver first page. queries = paginator.page(1) except EmptyPage: # If page is out of range (e.g. 9999), deliver last page of results. queries = paginator.page(paginator.num_pages) args = {"queries": queries} return render(request, 'cosmos/news.html', args) except ConnectionError: return render(request, 'cosmos/news.html', args) except ConnectTimeout: return render(request, 'cosmos/news.html', args) # Tags page for users def tags(request): f = open(settings.TAGS_JSON, 'r') jsonL = sorted(list(json.load(f))) args = {"tags": jsonL} return render(request, 'cosmos/tags.html', args) # To prefill the searchbar def get_random_tag(): jsonFile = open(settings.TAGS_JSON, 'r') algo_list = json.load(jsonFile) r_no = random.randint(0, len(algo_list) - 1) algo_tag = algo_list[r_no] return algo_tag def searchSuggestion(request): jsonFile = open(settings.TAGS_JSON, 'r') algo_list = json.load(jsonFile) results = [] if request.is_ajax(): val = request.GET.get('term', '') filterData = [] for word in algo_list: if word.startswith(val): filterData.append(word) i = 0 for tag in filterData: tag_json = {} tag_json['id'] = filterData.index(tag) tag_json['label'] = tag tag_json['value'] = tag results.append(tag_json) i = i + 1 if i >= 6: break searchTag = json.dumps(results) else: searchTag = 'fail' return searchTag def index(request): randomTags = [] for i in range(4): randomTags.append(get_random_tag()) query = get_random_tag() algo = searchSuggestion(request) if request.is_ajax(): mimetype = 'application/json' return HttpResponse(algo, mimetype) return render(request, 'cosmos/index.html', {'query': query, 'random': randomTags}) # Handlers for error pages def error400(request): return render(request, 'cosmos/error/HTTP400.html') def error403(request): return render(request, 'cosmos/error/HTTP403.html') def error404(request): return render(request, 'cosmos/error/HTTP404.html') def error500(request): return render(request, 'cosmos/error/HTTP500.html') def is_file_extension_ignored(file_): return file_.split('.')[-1] in ['md', 'MD'] codes = None videos = None expression_result = None def query(request): if request.is_ajax(): return query_ajax(request) elif request.method == 'GET': return query_get(request) def query_ajax(request): request_type = request.GET.get('type', '') mimetype = 'application/json' if request_type == 'video': query = request.GET.get('query', None) max_results = request.GET.get('max', 24) video_search(request, query, max_results) return HttpResponse(json.dumps(videos), mimetype) elif request_type == 'calculator': expression = request.GET.get('expression', None) calculator(request, expression) return HttpResponse(json.dumps(expression_result), mimetype) def query_get(request): query = ' '.join(re.escape(request.GET['q']) .replace('\ ', ' ') .replace('\\', '') .lower() .split()) f = open(settings.LISTS_INFO, 'r', encoding='utf8') curated_lists = list(json.load(f)) query_lists = [] for i in range(len(curated_lists)): if query in curated_lists[i]['title'].lower(): query_lists.append(curated_lists[i]) calculator(request, query) code_search(request, query) video_search(request, query) if codes['code_amount'] or videos['video_amount'] or expression_result is not None: return render(request, 'cosmos/searchresults.html', {'query': query, 'query_lists': query_lists, 'expression_result': expression_result, 'codes': codes, 'videos': videos, 'active_tab': ( 'calculator' if expression_result is not None else 'code' if codes['code_amount'] else 'video' if videos['video_amount'] else '' )}) else: return render(request, 'cosmos/notfound.html', {'query': query}) def code_search(request, query): global codes codes = { 'codes': [], 'code_amount': 0, 'recommendations': [], } query = query.replace(' ', COSMOS_SEP) data = json.loads(open(settings.METADATA_JSON, 'r').readline()) for folder, file in data.items(): filtered_v = [] for f in file: if not is_file_extension_ignored(f): filtered_v.append(f) if query in folder and "test" not in folder.split("/"): if filtered_v: path = folder folder_list = folder.split('/') codes['codes'].append({'path': path, 'dirs': folder_list, 'files': filtered_v}) codes['code_amount'] += len(filtered_v) if len(folder_list) == 2: d = folder_list[-2] + '/' else: d = folder_list[-3] + '/' for i, j in data.items(): if d in i: if query not in i: only_contents_md = True for f in j: if not is_file_extension_ignored(f): only_contents_md = False break if only_contents_md: continue p = i p = p.split('/') l = p[len(p) - 1] codes['recommendations'].append( {'recpath': i, 'recdirs': p, 'last': l}) shuffle(codes['recommendations']) codes['recommendations'] = codes['recommendations'][:5] def video_search(request, query='algorithm', max_results=24): global videos videos = { 'videos': '', 'video_amount': 0, 'nextpage': None, } youtube_result = {} max_results = min(int(max_results), 50) nextpage = '' id_ = 0 if request.is_ajax(): q = query.split('&') query = q[0] nextpage = q[1] id_ = q[2] if len(query.split(" ")) == 1: query = query + '+' + 'algorithm' youtube_query = { 'q': query.replace(' ', '+'), 'max_results': max_results, 'nextpage': nextpage, 'id': id_ } youtube_result = youtube_search(youtube_query) videos = { 'videos': json.dumps(youtube_result['videos_Results']), 'video_amount': len(youtube_result['videos_Results']), 'nextpage': youtube_result['nextpage'], } def calculator(request, expression): global expression_result res = calculate(expression) if expression is not None and isinstance(res, (int, float)): expression_result = round(res, 3) elif 'calculator' in expression: expression_result = 0 else: expression_result = None # Search strategy def subsq(a, b, m, n): # Base Cases if m == 0: return True if n == 0: return False # If last characters of two strings are matching if a[m - 1] == b[n - 1]: return subsq(a, b, m - 1, n - 1) # If last characters are not matching return subsq(a, b, m, n - 1) def display(request): path = request.GET['path'] link = "https://www.github.com/OpenGenus/cosmos/blob/master/code/" + request.GET['link'] raw = "https://raw.githubusercontent.com/OpenGenus/cosmos/master/code/" + request.GET['link'] query = request.GET['query'] r = requests.get(raw) return render(request, 'cosmos/code.html', {'code': r.text, 'link': link, 'query': query, 'path': path}) ================================================ FILE: static/css/calculator.css ================================================ ================================================ FILE: tags.json ================================================ ["string algorithms", "kmp algorithm", "lipogram checker", "pangram checker", "password strength checker", "anagram search", "morse code", "boyer moore algorithm", "remove dups", "manachar algorithm", "finite automata", "palindrome checker", "levenshtein distance", "arithmetic on large numbers", "rabin karp algorithm", "naive pattern search", "trie pattern search", "aho corasick algorithm", "kasai algorithm", "suffix array", "z algorithm", "computational geometry", "jarvis march", "2d line intersection", "distance between points", "cohen sutherland lineclip", "halfplane intersection", "area of polygon", "2d separating axis test", "axis aligned bounding box collision", "graham scan", "area of triangle", "sutherland hodgeman clipping", "bresenham line", "quickhull", "numerical analysis", "runge kutt", "integral", "monte carlo", "selection algorithms", "median of medians", "divide conquer", "karatsuba multiplication", "warnock algorithm", "x power y", "quick sort", "merge sort using divide and conquer", "tournament method to find min max", "closest pair of points", "inversion count", "search", "interpolation search", "fuzzy search", "ternary search", "linear search", "binary search", "exponential search", "jump search", "fibonacci search", "cellular automaton", "von neumann cellular automata", "conways game of life", "langtons ant", "genetic algorithm", "elementary cellular automata", "nobili cellular automata", "brians brain", "greedy algorithms", "kruskal minimum spanning tree", "huffman coding", "activity selection", "dijkstra shortest path", "job sequencing", "k centers", "fractional knapsack", "prim minimum spanning tree", "hillclimber", "egyptian fraction", "warshall", "minimum coins", "dynamic programming", "longest palindromic substring", "shortest common supersequence", "maximum weight independent set of path graph", "weighted job scheduling", "no consec ones", "optimal binary search tree", "coin change", "longest common substring", "knapsack", "edit distance", "boolean parenthesization", "maximum sum sub matrix", "maximum sum increasing subsequence", "factorial", "binomial coefficient", "longest common increasing subsequence", "palindrome partition", "longest palindromic sequence", "egg dropping puzzle", "matrix chain multiplication", "box stacking", "longest independent set", "minimum insertion palindrome", "longest increasing subsequence", "array median", "tiling problem", "largest sum contiguous subarray", "minimum cost polygon triangulation", "min cost path", "subset sum", "longest common subsequence", "rod cutting", "numeric keypad problem", "longest bitonic sequence", "online challenges", "project euler", "problem 002", "problem 036", "problem 016", "problem 003", "problem 025", "problem 007", "problem 008", "problem 004", "problem 028", "problem 006", "problem 010", "problem 102", "problem 001", "problem 005", "problem 009", "problem 014", "rosalind", "complement dna strand", "operating system", "scheduling", "shortest seek time first", "multi level feedback queue scheduling", "smallest remaining time first", "round robin scheduling", "round robin c", "first come first serve", "memory management", "least recently used", "shell", "c", "deadlocks", "bankers algorithm", "concurrency", "readers writers", "dining philosophers", "monitors", "monitors system v", "peterson algorithm for mutual exclusion", "peterson algorithm in c", "producer consumer", "networking", "validate ip", "determine endianess", "data structures", "list", "singly linked list", "operations", "find", "detect cycle", "sort", "delete", "merge sorted", "reverse", "print reverse", "push", "n th node linked list", "rotate", "xor linked list", "skip list", "doubly linked list", "circular linked list", "tree", "b tree", "b tree c", "two three tree", "binary tree", "treap", "aa tree", "convert to doubly linked list", "diameter", "minimum height", "is binary tree", "is balance", "node", "serializer", "bottom view binary tree", "make binary tree", "from inorder and preorder", "maximum height", "make mirror tree", "is same", "traversal", "inorder", "right threaded", "zigzag", "preorder", "right view", "left view", "path sum", "sum left", "rope", "avl tree", "trie", "heap", "min heap", "soft heap", "max heap", "priority queue", "leftist tree", "binomial heap", "pairing heap", "segment tree", "space partitioning tree", "quad tree", "kd tree", "interval tree", "multiway tree", "splay tree", "fenwick tree", "van emde boas tree", "union find", "red black tree", "hashs", "hash table", "bloom filter", "bag", "stack", "postfix evaluation", "balanced expression", "sort stack", "infix to postfix", "reverse stack", "abstract stack", "cpp", "arraystack", "prefix to postfix", "queue", "queue stream", "queue using stack", "circular buffer", "reverse queue", "queue using linked list", "other", "randomized algorithms", "reservoir sampling", "karger minimum cut algorithm", "random node linkedlist", "randomized quick sort", "random from stream", "shuffle an array", "kth smallest element algorithm", "mathematical algorithms", "convolution", "fast fourier transform", "add polynomials", "2sum", "replace 0 with 5", "armstrong numbers", "sieve of eratosthenes", "euler totient", "fibonacci number", "horner polynomial evaluation", "russian peasant multiplication", "babylonian method", "fast inverse sqrt", "sieve of atkin", "permutation lexicographic order", "segmented sieve of eratosthenes", "std", "gcd and lcm", "amicable numbers", "lucas theorem", "sum of digits", "pandigital number", "next larger number", "tridiagonal matrix", "gaussian elimination", "shuffle array", "newton polynomial", "average stream numbers", "delannoy number", "magic square", "check is square", "largrange polynomial", "poisson sample", "divided differences", "decoding of string", "lucky number", "integer conversion", "pythagorean triplet", "reverse number", "steepest descent", "primality tests", "fermat primality test", "solovay strassen primality test", "miller rabin primality test", "catalan number", "newton raphson method", "integer to roman", "reverse factorial", "derangements", "automorphic numbers", "tower of hanoi", "greatest digit in number", "count digits", "prime numbers of n", "lexicographic string rank", "taxicab numbers", "multiply polynomial", "count trailing zeroes", "log of factorial", "diophantine", "coprime numbers", "hill climbing", "fermats little theorem", "exponentiation power", "exponentiation by squaring", "smallest digit in number", "tribonacci numbers", "simpsons rule", "perfect number", "prime factors", "fractals", "modular inverse", "jacobi method", "pascal triangle", "dfa division", "sorting", "bucket sort", "median sort", "counting sort", "selection sort", "radix sort", "bubble sort", "insertion sort", "tree sort", "shell sort", "sleep sort", "bead sort", "stooge sort", "shaker sort", "flash sort", "comb sort", "topological sort", "gnome sort", "heap sort", "intro sort", "pigeonhole sort", "merge sort", "bogo sort", "cycle sort", "circle sort", "backtracking", "m coloring problem", "number of ways in maze", "n queen", "powerset", "algorithm x", "partitions of set", "partitions of number", "crossword puzzle", "rat in a maze", "sudoku solve", "permutations of string", "knight tour", "jaccard similarity", "biggest of n numbers", "paint fill", "minimum subarray size with degree", "average", "majority element", "leap year", "utilities", "spiral printing", "josephus problem", "tokenizer", "biggest suffix", "lapindrom checker", "split list", "fifteen puzzle", "design pattern", "singleton pattern", "observer pattern", "artificial intelligence", "sat", "random forests", "t distributed stochastic neighbor embedding", "nearest sequence memory", "nsm matlab", "factorization machines", "principal component analysis", "naive bayes", "dbscan clustering", "tsp", "hierachical clustering", "decision tree", "k nearest neighbours", "isodata clustering", "q learning", "neural network", "logistic regression", "gradient boosting trees", "support vector machine", "k means", "gaussian mixture model", "restricted boltzmann machine", "linear regression", "utility", "palindrome", "palindrome check", "graph algorithms", "biconnected components", "fleury algorithm euler path", "bridges in graph", "eulerian path", "boruvka minimum spanning tree", "adjacency lists graph representation", "adjacency lists in c", "hamiltonian cycle", "connected components", "bron kerbosch algorithm", "channel assignment", "floyd warshall algorithm", "astar algorithm", "graph coloring", "hamiltonian path", "kuhn maximum matching", "breadth first search", "cut vertices", "longest path directed acyclic graph", "bridge tree", "travelling salesman mst", "cycle directed graph", "adjacency matrix c", "strongly connected components", "bipartite check", "tarjan algorithm strongly connected components", "maximum bipartite matching", "vertex cover", "cycle undirected graph", "postorder from inorder and preorder", "hopcroft karp algorithm", "minimum s t cut", "dinic maximum flow", "shortest path k edges", "karger minimum cut", "ford fulkerson maximum flow", "left view binary tree", "bipartite checking", "count of ways n", "depth first search", "johnson algorithm shortest path", "centroid decomposition", "steiner tree", "transitive closure graph", "bellman ford algorithm", "maximum edge disjoint paths", "compression", "lossless compression", "lempel ziv welch", "huffman", "lossy compression", "square root decomposition", "mos algorithm", "cryptography", "runningkey cipher", "columnar transposition cipher", "affine cipher", "aes 128", "aes csharp", "example", "autokey cipher", "rail fence cipher", "caesar cipher", "vigenere cipher", "rot13 cipher", "polybius cipher", "porta cipher", "atbash cipher", "morse cipher", "rsa digital signature", "baconian cipher", "rsa", "huffman encoding", "bit manipulation", "lonely integer", "sum binary numbers", "byte swapper", "flip bits", "sum equals xor", "thrice unique number", "power of 2", "twice unique number", "maximum xor value", "bit division", "count set bits", "invert bit", "magic number", "hamming distance", "xor swap", "subset generation", "convert number binary"] ================================================ FILE: templates/cosmos/_base_css.html ================================================ ================================================ FILE: templates/cosmos/_footer.html ================================================ ================================================ FILE: templates/cosmos/_nav.html ================================================ ================================================ FILE: templates/cosmos/bundles/css.html ================================================ {# google api #} {# end google api #} {# bootstrap_css #} {# end bootstrap_css#} ================================================ FILE: templates/cosmos/bundles/js.html ================================================ ================================================ FILE: templates/cosmos/calculator.html ================================================ {% load staticfiles %}
Calculator

================================================ FILE: templates/cosmos/code.html ================================================ {% extends 'cosmos/header.html' %} {% block extra_head %} {% endblock extra_head %} {% block title %} "cosmos-search {% endblock title %} {% block main %}
{{ path }}
Copy 
{{ code }}
Open on Github   Ask any questions
{% endblock main %} {% block js %} {% endblock js %} ================================================ FILE: templates/cosmos/codeResults.html ================================================
Source code results
{% for entry in codes.codes %}

{% for i in entry.dirs %} {{ i }} / {% endfor %}

{% if entry.files|length %}
{% for file in entry.files %}
{% endfor %}
{% endif %}

{% endfor %} {% if codes.recommendations %}
Recommended results
{% for j in codes.recommendations %}
{% for k in j.recdirs %} {{ k }} / {% endfor %}
solution

{% endfor %} {% endif %} ================================================ FILE: templates/cosmos/error/HTTP400.html ================================================ {% extends 'cosmos/header.html' %} {% block head %} 400 | cosmos-search {% endblock %} {% block body %} {% endblock %} ================================================ FILE: templates/cosmos/error/HTTP403.html ================================================ {% extends 'cosmos/header.html' %} {% block head %} 403 | cosmos-search {% endblock %} {% block body %} {% endblock %} ================================================ FILE: templates/cosmos/error/HTTP404.html ================================================ {% extends 'cosmos/header.html' %} {% block head %} 404 | cosmos-search {% endblock %} {% block body %} {% endblock %} ================================================ FILE: templates/cosmos/error/HTTP500.html ================================================ {% extends 'cosmos/header.html' %} {% block head %} 500 | cosmos-search {% endblock %} {% block body %} {% endblock %} ================================================ FILE: templates/cosmos/header.html ================================================ {% load static %} {% block title %} cosmos-search {% endblock %} {% include 'cosmos/bundles/js.html' %} {% include 'cosmos/bundles/css.html' %} {% include 'cosmos/_base_css.html' %} {% block css %} {% endblock %} {% block extra_head %} {% endblock %} {% include 'cosmos/_nav.html' %} {# align search bar and middle of vw #}
{% block main %} {% endblock %} {% include 'cosmos/_footer.html' %} {% block js %} {% endblock %} ================================================ FILE: templates/cosmos/index.html ================================================ {% extends 'cosmos/header.html' %} {% load random_numbers %} {% block main %}

Welcome to cosmos-search

Enjoy our daily code fact

This is the official search tool for cosmos,

a library of every algorithm and data structure code that you will ever encounter.

To search for an algorithm, just enter your search keywords in the box above.

— OpenGenus, The Open Group to help the needy

{% endblock main %} ================================================ FILE: templates/cosmos/lists.html ================================================ {% extends 'cosmos/header.html' %} {% block main %}

Human-Curated Lists

{% for item in lists %}

{{item.title}}

{{item.description}}

- {{item.author}}

{% endfor %}
{% endblock %} ================================================ FILE: templates/cosmos/listsResults.html ================================================
Human-Curated Lists Results
{% for item in query_lists %}
{{item.title}}

{{item.description}}

- {{item.author}}

{% endfor %}
================================================ FILE: templates/cosmos/lists_template.html ================================================ {% extends 'cosmos/header.html' %} {% block main %}

{{title}}

{% endblock main %} ================================================ FILE: templates/cosmos/news.html ================================================ {% extends 'cosmos/header.html' %} {% block main %}

News

{% for item in queries %}

{{item.title}}

{{item.description}}

{% endfor %}
{% endblock main %} ================================================ FILE: templates/cosmos/notfound.html ================================================ {% extends 'cosmos/header.html' %} {% block title %} Not Found | cosmos-search {% endblock title %} {% block main %}

Sorry!

It seems like there are no results for "{{ query }}" !

Try searching something else or request the algorithm you searched for here.

— OpenGenus, The Open Group to help the needy
{% endblock main %} ================================================ FILE: templates/cosmos/searchresults.html ================================================ {% extends 'cosmos/header.html' %} {% load staticfiles %} {% block title %} "{{ query }}" | cosmos-search {% endblock title %} {% block js %} {% endblock js %} {% block main %}
Showing {{ codes.code_amount }} {{ videos.video_amount }} expression result(s) for: {{ query }}
 
{% if query_lists|length > 0 %} {% include 'cosmos/listsResults.html' %} {% endif %}
{% if expression_result is not None %} {% include 'cosmos/calculator.html' %} {% endif %}
{% if codes %} {% include 'cosmos/codeResults.html' %} {% endif %}
{% include 'cosmos/youtubeResults.html' %}
{% endblock main %} ================================================ FILE: templates/cosmos/tags.html ================================================ {% extends 'cosmos/header.html' %} {% block js %} {% endblock js %} {% block main %}

Tags

A tag is a keyword or label that categorizes your search query with other, similar queries. Users can use these tags in exploring new topics and continue browsing without prior knowledge.


    {% for tag in tags %}
  • {{ tag }}
    • {% endfor %}
{% endblock main %} ================================================ FILE: templates/cosmos/youtubeResults.html ================================================ {% load random_numbers %} {% block videos %}
Youtube results
{% endblock %} ================================================ FILE: tox.ini ================================================ [flake8] # E741 = Ambiguous variable name # C901 = Overcomplex function ignore = E741, C901 exclude = .git, __pycache__, venv, cosmos, .gitignore, .travis.yml, LICENSE, metadata.json, Procfile, README.md, requirements.txt, runtime.txt, tags.json max-complexity = 10 max-line-length = 119 ================================================ FILE: update/__init__.py ================================================ ================================================ FILE: update/admin.py ================================================ from django.contrib import admin # noqa # Register your models here. ================================================ FILE: update/apps.py ================================================ from django.apps import AppConfig class UpdateConfig(AppConfig): name = 'update' ================================================ FILE: update/migrations/__init__.py ================================================ ================================================ FILE: update/models.py ================================================ from django.db import models # noqa # Create your models here. ================================================ FILE: update/tests.py ================================================ from django.test import TestCase # noqa # Create your tests here. ================================================ FILE: update/urls.py ================================================ from django.conf.urls import url from update import views urlpatterns = [ url(r'^github_webhook$', views.github_webhook, name='github_webhook'), ] ================================================ FILE: update/views.py ================================================ import json import hashlib import hmac import http.client import git import os from django.conf import settings from django.http import HttpResponse, HttpResponseForbidden from django.views.decorators.csrf import csrf_exempt def get_file_context(filename): ''' :param filename: name of file :type filename: str :return: context of the file if file can be opened else empty string ''' context = '' try: with open(filename, 'r') as f: context = f.read() except OSError: pass return context def get_json_from_file(filename, default_={}): ''' :param filename: name of file :type filename: str :param default_: the default json :type default_: json :return: json of context of the file if file can be opened else default ''' context = get_file_context(filename) if context: default_ = json.loads(context) return default_ def update_kv_to_json(key, value, json_): ''' :param key: list for keys by layer or key :type key: list or any type for json key :param json_: :type json_: json :return: elem which containing the key in json_ ''' if isinstance(key, list) and len(key) > 1: j = json_ # the key of int will be str in json k = str(key[0]) if k not in json_: j[k] = {} j = j[k] update_kv_to_json(key[1:], value, j) elif isinstance(key, list) and len(key) == 1: json_[key[0]] = value else: json_[key] = value def update_kv_to_file(key, value, filename): ''' :param key: list for keys by layer or key :type key: list or any type for json key :param value: :type value: any type for json key :param filename: :type filename: str TODO: update value of list ''' json_ = get_json_from_file(filename) update_kv_to_json(key, value, json_) with open(filename, 'w') as f: json.dump(json_, f) def update_metadata(): data = {} for (dirpath, dirnames, filenames) in os.walk(settings.COSMOS_ROOT + 'code/'): if dirnames == []: dirpath = '/'.join(dirpath.split('/')[2:]) data[dirpath] = filenames with open(settings.METADATA_JSON, 'w') as f: json.dump(data, f) def update_tags(): topics = [] for keys in json.load(open(settings.METADATA_JSON)): for topic in keys.split('/'): if topic not in (topics + ['unclassified', 'src', 'updated_at', 'test']): topics.append(topic) data = list(map(lambda v: v.replace('_', ' ').replace('-', ' ').lower(), topics)) with open(settings.TAGS_JSON, 'w') as f: json.dump(data, f) def manage_webhook_event(event, payload): """Simple webhook handler that prints the event and payload to the console""" if event == 'push': updated_at = payload['repository']['pushed_at'] try: repo = git.Repo(settings.COSMOS_ROOT) o = repo.remotes.origin print("Pulling cosmos!") o.pull() print("Pulling done!") except git.exc.NoSuchPathError: print("Cloning cosmos!") git.Git().clone(settings.COSMOS_LINK) print("Cloning done!") update_metadata() update_kv_to_file(settings.METADATA_JSON, updated_at, settings.TIMESTAMPS_JSON) update_tags() update_kv_to_file(settings.TAGS_JSON, updated_at, settings.TIMESTAMPS_JSON) @csrf_exempt def github_webhook(request): github_signature = request.META['HTTP_X_HUB_SIGNATURE'] signature = hmac.new(settings.GITHUB_WEBHOOK_SECRET, request.body, hashlib.sha1) expected_signature = 'sha1=' + signature.hexdigest() if not hmac.compare_digest(github_signature, expected_signature): return HttpResponseForbidden('Invalid signature header') if 'payload' in request.POST: payload = json.loads(request.POST['payload']) else: payload = json.loads(request.body) event = request.META['HTTP_X_GITHUB_EVENT'] manage_webhook_event(event, payload) return HttpResponse('Webhook received', status=http.client.ACCEPTED)