* Delete dead links

* Add React book in German

* add Author

* Fix linting error
Co-authored-by: NLukas Kleybolte <lukas.kleybolte@hs-augsburg.de>

* Update free-programming-playgrounds.md

* Update free-programming-playgrounds.md

* Update free-courses-en.md

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

* add a java programming language book

* add 2 empty lines between a new section

the course is not online any more

* add python di prograte course in bahasa

* add c# course in bahasa

* delete python no playlist course

* fixing index c# in course bahasa

* add solidity course id

* Create HOWTO-fa_IR.md

* add Persian translation link to HOWTO.md

* add Persian translation link to HOWTO-zh.md

* add Persian translation link to HOWTO-zh-TW.md

* add Persian translation link to HOWTO-hi.md

* added a book for graphics programming

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

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

* Fix Markdown Link

* Add line breaks Levels Heading

* Add Regular Expressions Cookbook

* Add Ruby book in Tamil language

* Remove old non free book and fix title in Ruby book

* Update free-programming-interactive-tutorials-en.md

Added many tutorials by w3schools

* Update free-programming-interactive-tutorials-en.md

Corrected alphabetic order.

* Update free-programming-interactive-tutorials-en.md

Changed as @SethiPandi requested.

* Update free-programming-interactive-tutorials-en.md
Co-authored-by: NSeth <seth@elypia.org>

* Update free-programming-interactive-tutorials-en.md
Co-authored-by: NSeth <seth@elypia.org>

* Updated free-programming-interactive-tutorials-en.md

Added 4 interactive courses.

* Updated free-programming-interactive-tutorials-en.md

Added correct number of newlines

* Update free-programming-interactive-tutorials-en.md
Co-authored-by: NSeth <seth@elypia.org>
Co-authored-by: NSeth <seth@elypia.org>

* Add Persian free courses file

* Add two new C and C++ courses

* Add two new php courses

* Add two new Machine Learning courses

* Add two new Java courses

* Add a Python course

* Add two new Linux courses

* Fix a Python's course link

* Add the author's name

* Convert the author's name to English

* Add Persian courses link

* Fix number of blank and ordering

* Remove course from books file

* Add Laravel section

* add ios course from harvard

* add author names at ios course

* update playlist at the ios course

* add game course from harvard

* add author names at game course

* update playlist at the game course

* add android course track by harvard

* fix alphabetical order at free courses android

* add author names at android course

* update android to android playlist

* undo removed course

* update playlist url
Co-authored-by: NLarissa <larissa.moura@codeminer42.com>

* Add Python 3 Book

Python 3 book from DigitalOcean.

* Update list to add learning Processing resource

Reattempted.

* Update podcasts-screencasts-en.md

Changed playlist and added the contributor name.

* Alphabetize Processing playlists

Alphabetize the processing playlists added.

* Removed Processing Resource

Removed Processing YouTube links from screencasts.

* Updated free-courses with Processing Resource

Added processing resource in free courses list.

* Update free-programming-books.md

* Update alphabetical order

* Added authors

* Update free-programming-books.md

* 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.

* Update free-courses-en.md

Added Using Python for Research course from edX Harvard.

* Added javascript data structures and algorithms

* Update free-programming-interactive-tutorials-en.md

* Added 2 Python Courses

* Added Android Course

* Added Java Course

* Added Learning GNU C book -  check_urls=free-programming-books.md

* Added Learning GNU C book - check_urls=free-programming-books.md

* Delete dead links

* Update free-programming-books-hu.md

* Update free-programming-books-es.md

* Update free-programming-books-ja.md

* Update free-programming-books-pl.md
Co-authored-by: NLukas Kleybolte <lukas.kleybolte@hs-augsburg.de>

* Update free-programming-cheatsheets.md

Added a Cheat Sheet for Kubernetes Beginners

* Update free-programming-cheatsheets.md

* Update free-programming-cheatsheets.md

Added Kubernetes Cheat Sheet with correct formatting

* Update free-programming-cheatsheets.md

* Update free-programming-cheatsheets.md

* Added 3 Ruby books to en.

* Added 2 Java books to en.

* Added 2 Javascript books to en.

* Added 1 ECMAscript book to en.

* Added 1 PHP book to en.

* Added a bunch of translations.

Added translations of The Hitchhiker’s Guide to Python! in French, Korean, Brazilian Portuguese and Chinese. Also rectified Django entries in chinese.

* Changes in ordering.

As directed by travis-ci

* Minor odering changes

as directed by travis-ci

* Another ordering change.

* And another one.

* Add book MySQL

* fixing

* Added course laravel

* Update free-courses-id.md

* Fixing directly YouTube

* Added Blockchain Programming Book

* Added the packt link

* Added a Kotlin Playground

* The Kotlin Playground

* Added a Flutter Playground

* Removed the Leadin Slash

* Added Ruby Playground

* Added a new line at the end of free programming playgrounds

* Fixed the spacing in free-programming-books-fa_IR.md

* Fixed More errors in the above file

* Errors fixed in free-programming-books-fa_IR.md

* Some more changes

* Restored the previous farsi file

* add algorithms course

* update css50 course description

* update alphabetical order
Co-authored-by: NLarissa <larissa.moura@codeminer42.com>

* feat add math foundations computing book

* fix alphabetical order at free books ptbr

* add new line at the end of the file

* update the number of line between topics

* add tag to inform that book is in process
Co-authored-by: NLarissa <larissa.moura@codeminer42.com>

* Update free-programming-books adding a MATLAB Book

Add MATLAB Notes for Professionals book

* Revert "Update free-programming-books adding a MATLAB Book"

This reverts commit 56537340da39e1f20de2271bc222b2e19bc9415b.

* Add book MATLAB notes for professionals

* Fix the pattern of the MatlabBook
Co-authored-by: NGabriel Oliveira Leite <goliveil@everis.com>