* Cleaned up some broken links and updated few links and provided new books list

* cleaned up broken links and added new and updated links

* Modified and added new links

* delete an editor file

* we don't permit shortened links

* replace AngularJS channel links

* fix spacing, add title from resource

* remove duplicate

* moved "software engineering" courses to java and RoR

* attribution, title from resource

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

* Adding french file with +100 courses and adding content in english free courses

* moved courses-fr file to #5151

* delint

* fix joined lines

* delint

* duplicate in interactive tutorials

* link to full LearnSQL, omit non-playlist

omit learn SQL in 60 minutes because not long enough a course

* omit non-playllist

* another non-playlist

* use title from resource
Co-authored-by: NAdam Zebiche <contact@ethernily.fr>
Co-authored-by: NEric Hellman <eric@hellman.net>

* Add HTTPS and JS resources, check_urls=free-programming-books.md free-courses-en.md

* moved http and https sections into networking
Co-authored-by: NEric Hellman <eric@hellman.net>

* Create HOWTO-fr.md

* alphabetize

(need to exempt files like this from sorted-list lint)

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

for some reason the linter doesn't check the vietnamese file

* game AI Pro

* typo

* Java Bilgisayar Diliyle Programlama

* powershell 101

* added 100 (and counting) Laravel Quick Tips

* not free

* How HTTPS works

* Update free-courses-id.md

added python learning reference

* Update free-courses-id.md

* Update free-courses-id.md

* Update free-courses-id.md

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

added django 3.1 official documentation to free-programming-books.md

* Added a pdf book on fortran. The book has tons of programing topics and gets in to programing history.

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

* Update free-courses-en.md

* Update free-courses-en.md

* Update free-courses-en.md

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

* Add D3.js courses, check_urls=free-courses-en.md

* Add d3.js courses, check_urls=free-courses-en.md

- With 2 new books
- Shifted one existing book in Angular.js to Angular
- Removed a book: https://leanpub.com/practical-angular from Angular.js because it's a Paid book
- Deno is now included under TypeScript, like in the Index

* added Python cheat sheets

Thanks for hosting this.
Just getting back into coding, and since I have been looking for resources for Python. 
I thought I would add what I have found. 

Happy hacking

* removed the spaces 

Hi sorry, it took so long to resolve this conflict. 
Actually took me a while to figure out how to do.

Thanks again so much for hosting this.

* alphabetize

* linespacing

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