* Remove Duplicate LearnCpp.com

* Rename LearnCpp.com

Added extendsclass, an online PHP playground

* Add Markdown, check_urls=HOWTO.md

* Add Git course, check_urls=free-courses-en.md

* Add Chewing C, C++, check_urls=free-programming-books-ko.md

* Fix Lint

* Changed link to pdf

* Add Chewing C, C++

* Fix Typo - Name is 홍정모, not 홍성모

* Sorted C/C++ Category

* Fix Link

* Fix c++ index

* Change link to pdf directly

* ClojureScript addition

Added a new ClojureScript online playground

* alphabetize
Co-authored-by: NEric Hellman <eric@hellman.net>

* Add Stanford's cs330

* Fixed trailing backspace

* Adding instructor name and Stanford

* fix author position
Co-authored-by: NEric Hellman <eric@hellman.net>

* Add free courses for Java in pt-br

* Add free courses for Java in pt-br

* Ajustes para solicitados no ultimo PR

* line spacing

* alphabetize
Co-authored-by: Nrodrigues_gabriela <rodrigues_gabriela@terceiros.sicredi.com.br>
Co-authored-by: NEric Hellman <eric@hellman.net>

* Add competitive programming website

* alphabetize
Co-authored-by: NEric Hellman <eric@hellman.net>

* Added free courses in kazakh language

* Added free courses in kazakh language

* Updated free courses in kazakh language

* spacing
Co-authored-by: NAlan <erkinovich05@gmail.com>
Co-authored-by: NEric Hellman <eric@hellman.net>

* Add MIT Deep Learning course, check_urls=free-courses-en.md

* Edit link

fix emberjs link

* Fix #4099

* Remove Redundant Route in URL

* Fix #4030
Co-authored-by: Nchandan kumar <72316627+CH-ND-N@users.noreply.github.com>

* Remove Markdown Video
Co-authored-by: Nchandan kumar <72316627+CH-ND-N@users.noreply.github.com>

* Added Ruby on Rails Book

Co-authored by: 17122 <72670008+17122@users.noreply.github.com>

* Fix line breaks.

* Fixed YouTube URL

Co-authored-by: NAnil <incelefon@gmail.com>
Co-authored-by: NAnil <incelefon@gmail.com>

Co-authored-by: Nlearn-everyday-with-me <60598640+learn-everyday-with-me@users.noreply.github.com>
Co-authored-by: Nlearn-everyday-with-me <60598640+learn-everyday-with-me@users.noreply.github.com>

* fix-3892

* Alphabetical order.

* fix-3877

* Corrected location, and removed duplicate link.

* added machine learning free book for begineers

IBM machine learning for beginners

* Update free-programming-books.md

added authur name as suggested to machine learning book

* add nim books

* edit title per comment

* Update problem-sets-competitive-programming.md

* Update problem-sets-competitive-programming.md

* Update problem-sets-competitive-programming.md

* alphabetize
Co-authored-by: NEric Hellman <eric@hellman.net>

* Added Git/Github book

* alphabetize

* resolve a conflict - resource moved to cheatsheets

* trailing slash
Co-authored-by: NEric Hellman <eric@hellman.net>

* Adding Java Desktop by Ifnu Bima

Adding Java Desktop by Ifnu Bima

* fix link, alphabetize

* pdf indication
Co-authored-by: NEric Hellman <eric@hellman.net>

* Added Web Almanac

Added Web Almanac to Web Development

* Added Web Almanac

Added Web Almanac to Misc Section

* #4966 Add new JS tutorial

* Remove (youtube) and add list URL

* Add 10 Keys to Great Landing Pages

* Add PDF Indication