* Update free-courses-en.md

This is a course from Harvard University's CS50 about Web Programming with Python and JavaScript.
You can know it is free  by looking at the 'CS50 Certificate' section you can read that you only need to pay for the certificate but the course is Free.

* Update free-courses-en.md

Resubmitted the PR by changing the title as given by the resource.

* Update free-courses-en.md

Resubmit PR with the title as given by the resource: CS50’s Web Programming with Python and JavaScript.
Added in Alphabetical List.
Sorry,but it is my first PR so struggling a little bit.

* Added Kaggle Python course

* Add Python Runestone to interactive tutorials

* added author

* Added Python and Java playground

* add space back

* lower cased name

* fixed capitalization for Java and JavaScript

* Added Rextester to R Interactive Playgrounds

* swapped order

* switched order

* Added Book MySQL

* fixing title

* fixing

* fixing

* fixing title again

* fixing again title

* add blank

* add blank line

* fixing

* delete line space

* delete line spaces

* blank lines

* re submit PR

Add a style guide that helped me with angular.js

* Added course in android development by Harry

* Update free-courses-hi.md
Co-authored-by: NSeth <seth@elypia.org>
Co-authored-by: NSeth <seth@elypia.org>

Added freeCodeCamp HTML/CSS interractive tutorials course.

* Fixed alphatetical order and spaces

* fixed order

* fixed order 2.0

Co-authored-by: Nkri99 <tes444@gmail.com>

* Added Portuguese and Italian Translations.

Added Portuguese and Italian Translations of the book Python For Everybody by Dr. Charles Russell Severance

* Update free-programming-books.md

Updated the link to the latest edition.

* Update free-programming-books.md

Updated edition for the book with author and links in three places.

* Update free-programming-books.md

Added Think DSP - Digital Signal Processing in Python.

* Update free-programming-books.md

Added Think Data Structures: Algorithms and Information Retrieval in Java.

* Update free-programming-books.md

Added two new books;
Think C++: How To Think Like a Computer Scientist
Modeling and Simulation in Python

* Minor changes to adhere to Contributing.md

Thanks to @kashirash
Suggested edits to pass travis-ci and respecting markdown formatting.

Removes link to ubuntu-book.org

* Add two machine learning course for persian

* Add two machine learning course for persian

* Add two persian C courses

* Add two persian Laravel courses

* Add two persian Java courses
Co-authored-by: Namirmozafari <kavian.amirmozafari@student.sharif.edu>

* Add Full Stack Open course [fi]

* Update free-courses-fi.md
Co-authored-by: Nkadhirash <kadhirash@gmail.com>
Co-authored-by: Nkadhirash <kadhirash@gmail.com>

* Added Blockchain Programming Book

* Added the packt link

* Added a Kotlin Playground

* The Kotlin Playground

* Added a Flutter Playground

* Removed the Leadin Slash

* add typescript

* Update free-courses-id.md

* Update free-courses-id.md

* Update free-courses-id.md

This course is on Udacity and is taught by Google Developer.

* add python di prograte course in bahasa

* add c# course in bahasa

* delete python no playlist course

* fixing index c# in course bahasa

* add ctflearn in probsets

* Remove trailing slash in CTFlearn

* reordering menu

* Add MongoDB cheatsheet

I couldn't find this covered in an existing PR, linked cheatsheet is my current go-to.

* Add new section to Index

* Appease linter

* podcst for data science added: not so standard deviations

* Update free-podcasts-screencasts-en.md

removing the trailing slash
Co-authored-by: Nkadhirash <kadhirash@gmail.com>
Co-authored-by: NNaren Bakshi <narenbakshi@Narens-Air.fios-router.home>
Co-authored-by: Nkadhirash <kadhirash@gmail.com>

* add link to cheatsheets

* fix ordering in courses-id

* Added vue.js course pt_BR

* Apply MR changes
Co-authored-by: NVictor Rafael <dev.04@conlifebank.com.br>

Add Thai courses (free-courses-th.md) in list

* adding course of language programming Lua in PTBR

* adding course of language programming Lua in PTBR

docs: transfer links for cheatsheets from books page to new cheatsheets page and add css/js cheatsheets (#4557)

* docs: add links for cheatsheets

* docs: remove links for cheatsheets from books page

* Update free-programming-books.md

* removed index.html

* Committed suggested changes
Co-authored-by: NSeth <seth@elypia.org>
Co-authored-by: NSeth <seth@elypia.org>

* Added Kaggle Python course

* Add Python Runestone to interactive tutorials

* added author

* Added Python and Java playground

* add space back

* lower cased name

* fixed capitalization for Java and JavaScript

Added new resource and fixed and arranged index and resources alphabetically. [Hacktober Fest] (#4510)

* Update free-courses-hi.md

* Listed the order alphabetically

* Added new Resource - Python

* Added open source material of Django for Everybody Course

* Restructured Python and added django and flask sub headings

* Change django for everybody link to a direct link to lessons

* Added required line break

* Minor fix

* Added course in Web Development
ASP.NET Core Beginner Tutorial

* Revert "Updated youtube playlist link for ASP.NET Core Tutorial"

This reverts commit 8042666c76b32dcbd8708dd8f10b11a6e9f8b7bf.