* Update free-courses-pt_BR.md

Add free course Python básico from Solyd (https://solyd.com.br/treinamentos/python-basico/)

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

* Add Italian course "Programmazione Basic Commodore 64"

* Move Retrocomputing course under "Miscellaneous" category

* add some free Arabic programming books

* correct spaces

* correct heading spaces

* Update free-programming-books-ar.md

* Update books-ja.md / add Ruby Scripting

* Fix alphabetical ordering

* Add Italian video course about Docker

* Fix typo

* Fix Docker course name

* Changed link that causes error 301 and redirect

This change switches the previous link that causes a 301 error and a redirect to a direct link to the correct page.

* Removed #fragment from link

* remove broken link

* update broken link
Co-authored-by: NSam Hsiao <samhsiao@pilottv.com.tw>

Github -> GitHub

* Replace the warez link (b-ok.cc) with a web.archive.org link.

* Replace PDF version 2.1.1 with 2.2.1 for Python 2.
* Add the PDF version for Python 3.
* Add the current edition (HTML).

* Add the 2nd Edition.
* Update the 1st Edition's link to HTTPS.
* Correct the title.

* Update "How to Think Like a Computer Scientist: Learning with Python" and "Think Python"

* "How to Think Like a Computer Scientist: Learning with Python":
  * Fix obsolete links: update URI and use HTTPS.
  * Add more editions to the title.
* "Think Python":
  * It diverges from "How to Think Like a Computer Scientist: Learning with Python" with many changes. So Allen B. Downey is the single author of this title.
  * Move it up one level and add the first edition.

* Update "How to Think Like a Computer Scientist: Learning with Python" and "Think Python"

* Rearrange the links to meet the Formatting Guidelines.

* Add the 2nd Edition.
* Update the 1st Edition:
  * Replace the obsolete link with the current link.
  * Add the Interactive version link.

The book has changed its title to this.

* Add Día30 Podcast

* This is a podcast it's about Development and Design in Spanish.

* Sort podcast in alphabetical order

* Following guidelines

* Fix alphabetical order rely on auto-sorting

* Fix Alphabetical ordering

* Alphabetical ordering: swap l.60 and l.59
* Alphabetical ordering: swap l.66 and l.65
* Alphabetical ordering: swap l.70 and l.69
* Remove trailing slash (https://www.dia30.mx)

* Fix iCharlas order

Fix broken link (Julia book). Now it work

- Semantic issues in paragraph 19
- minor proposals

* added Bangla courses of C and C++

* added three Bangla courses

* tried to fix the alphabetical order

* added more resources

* corrected index a little

* fixed the top level heading

* tried to fix the index

* tried to fix the order

* fixed indexing

* fixed newline error

* trying to fix error 1

* trying to fix

* modified bl

* modified the index

* newline error fixed

* fixed the linking of c plus plus

* fixed the conflict

* fixed linking

* fixed conflict

* fixed conflicts

* fixed conflicts

* resolved some issues

* resolved issue

* resolved conflict

* resolved conflicts

* resolved conflicts

* resolved conflicts

* resolving conflicts

* fix line spacing

* alphabetize lists

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

* adding web dev curriculum, 24 lessons

* fix

* adding a free book on react

* sorting

* lines 199, 355

* alphabetize added language courses

Our linter had not been looking at these languages

* fix books files

* casts and more

* added Bangla courses of C and C++

* added three Bangla courses

* tried to fix the alphabetical order

* Fix pc assembly language url

* Move to direct url

* Revert "Move to direct url"

This reverts commit 88a3f60d6251451bd6de9985fc523d107a0700d1.

* Move to direct url

* Add file format

* Added 30 Days Of Vue Book

* access note for PDF
Co-authored-by: NEric Hellman <eric@hellman.net>

* French Book on R for sociology

* alphabetic order

* spacing

* Add Math Books from aimath.org

* Fix Trailing Slashes

* Fix Alphabetical Order?

* Fix Alphabetical Order

* Fixed language and categories

* Fixed language and categories for -ko.md

* Removed most PDF links from addition.

* Replace German Resource with Direct Link to PDF