* Added Python Crash Course Cheatsheet(#4952)

Added Python Crash Course Cheatsheet

* Update free-programming-cheatsheets.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.

* Update free-courses-en.md

Link was not working so searched for the course and replaced it with new one.Same Course.

* Update free-courses-en.md

Added a new course 'CS50's Mobile App Development with React Native'

* Update free-courses-en.md

* Add Russian Solid and JS resource

* Fix error lint

* Follow up #3357

Replace the Dead C++ book link using web.archive.org.

* Follow up #3429

Fix lint error.

* Follow up #3451

All resources except the Java book is already added.

* Follow up #3510

Add a Swift youtube playlist.

* Fix alphabetical order in ja and th

* Fix PR base on comments

* add resource Belajar Dengan Jenius Golang

* fix blank lines

* replace resource with raw link

* add indonesian deno resource

* add indonesian PHP OOP resource

added new best technology react native course for beginner

added best android development for all beginners

* Add new course in Pt-Br (Python Fundamentos para Análise de Dados)

* Add new course in Pt-Br (Python Fundamentos para Análise de Dados)

* Add new podcast in Pt-Br (Data Hackers)

* add resource Belajar Dengan Jenius Golang

* fix blank lines

* replace resource with raw link

* add indonesian deno resource

* Add Thai e-book

* Add IoT E-Book.

* Corrected two lines  breaks

Co-authored-by: Njimmy <labsuek@airfolc.co.jp>

* Add new course in Pt-Br (Python Fundamentos para Análise de Dados)

* Add new course in Pt-Br (Python Fundamentos para Análise de Dados)

* Add new podcast in Pt-Br (Data Hackers)

* Adding 5 free Bootstrap courses!

There were only 2 resources for the Bootstrap section, so I built this out with courses from Freecodecamp, YouTube, and Class Central.

* Adding 5 Bootstrap free courses (alphabetized)

Needed to alphabetize them :)

* Fixing YouTube link endpoint + removing "YouTube" specification

Hi @SethiPandi — thanks for the comments and the warm welcome to Hacktoberfest! 🎃 I have done the following from your feedback:
- fixed the YouTube endpoint so it links to the playlist (not the original video)
- Removed YouTube specification from the two resources that are YT videos

Let me know if you need any other changes from me 😊

* Add Vulkan tutorial C++ #3683, check_urls=free-programming-books.md

* Fix url

* Fix space in Vulkan

* Remove dead link (user web directory no longer exists)

* Remove dead link (file deleted)

* Remove dead link (file deleted)

* Remove dead link (domain non-existent)

* Correct number or blank lines between sections

* Remove missing sections from contents

* Update free-courses-ko.md

* Update free-courses-ko.md

* Update Deep Learning

* delete (youtube) tag

* add resource Belajar Dengan Jenius Golang

* fix blank lines

* replace resource with raw link

* added Spring framework PDF

* Update free-programming-books.md

Fixed spelling

* add Deploy em produção para desenvolvedores

* add screencast go lang

* Update free-podcasts-screencasts-pt_BR.md
Co-authored-by: NSeth <seth@elypia.org>

* empty lines
Co-authored-by: NGeorge Rodrigues <georgeamaral@grendene.com.br>
Co-authored-by: NSeth <seth@elypia.org>

* Add My Free Java Course to free-courses-en list

* Removed empty spaces and added author

* Add python kaggle course to free-courses-en list

* Updated Java Course with direct link and correct name

* Removed extra white space around hyphen

* Add "A byte of Python"

* Move link up for correct order

* Update link to source

* Add german source again

* Create free-courses-fr.md

Create french free courses page

* Update free-courses-fr.md

* Update free-courses-fr.md

* Update free-programming-books-fr.md

* Delete free-courses-fr.md

* Update free-programming-books-fr.md

Adding additional note

* Move Clojure section to follow alphabetical order

* Fix heading level of Groovy related sections

* Update TOC to follow sections below

* Merge duplicated sections

Co-authored-by: Nsarit <sarit.pinhas@duda.co>

Co-authored-by: Nsarit <sarit.pinhas@duda.co>

Co-authored-by: Nsarit <sarit.pinhas@duda.co>

Co-authored-by: Nsarit <sarit.pinhas@duda.co>