* Added youtube playlist for C

* formated according to guidlines

* formated

* Added hindi playlist for C programming

* made changes required

* Update free-courses-ua.md

Added free python course from "Kyiv Polytechnic Institute"

* Update free-courses-ua.md

Changed list to follow alphabetical order

* Update free-courses-ua.md

Added name of course's author

* Update free-courses-ua.md

Added requirements for students of added course

* C++ Java Go R Cheatsheets Added

* fixed alphabetical order

* R removed and other source updated

* name updated

* fix Go name

* Add "V Playground" to Programming Playgrounds

* minor change

* Add V to index

* Implement the suggestion
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>

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

Signed-off-by: NRicardo H H Kojo <ricardo.kojo.dev@gmail.com>

* Curso Portugues C#

* restore space to satisfy linter

wonder if the alphabetization is correct

* add cursos

* alphabetical order

* alphabetical order

* alphabetical order

* add line
Co-authored-by: N118210258 GABRIEL MARECO BATISTA DE SOUTO <gabrielmbs@lcc3-012.lcc.ufcg.edu.br>
Co-authored-by: Neshellman <eric@hellman.net>

* Update free courses for Python

* Alphabetical order, type in the right place

* Update courses/free-courses-pl.md
Co-authored-by: NImVector <59611597+LuigiImVector@users.noreply.github.com>
Co-authored-by: NImVector <59611597+LuigiImVector@users.noreply.github.com>

* add Kubernetes for dummies

* sort by alphabetical order

* remove k8s book

* add data Data Science book

* update lint

* update lint

* remove duplicated book and add a new one for data alaytic

* fix lint alphabetical issie

* Update books/free-programming-books-subjects.md
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>

* Add "Raspberry Pi basics course" from forbot.pl

* fix order

* Update books/free-programming-books-pl.md
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>

* Review changes
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>

* Added C Programming and Assembly Language Course

* Update free-courses-en.md

* Update courses/free-courses-en.md
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>

* Add german book: "PyQt und PySide - Anwendungsentwicklung mit Python und Qt"

* Correct formatting issues

* Swap line 192 with 191 to ensure right alphabetical order(Q comes before t)

* Add missing authors and format link/notes correctly

- as suggested by davorpa -
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>
Co-authored-by: NSebastian Neumeier <neumeise1@mail.de>
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>

* add The Pharo MOOC

* fix formatting for pharo section

* add pharo to index

* Add Redis Books

* Ammend PR comment - remove redis for dummies

* docs(id): add book, cast, and course

* docs(fix): readjust space

* docs: add solidity index

* docs: fix missing line

* Update courses/free-courses-id.md
Co-authored-by: NImVector <59611597+LuigiImVector@users.noreply.github.com>

* Update books/free-programming-books-id.md
Co-authored-by: NImVector <59611597+LuigiImVector@users.noreply.github.com>

* Update courses/free-courses-id.md
Co-authored-by: NImVector <59611597+LuigiImVector@users.noreply.github.com>

* Update books/free-programming-books-id.md
Co-authored-by: NImVector <59611597+LuigiImVector@users.noreply.github.com>

* Update casts/free-podcasts-screencasts-id.md
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>

* Update books/free-programming-books-id.md
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>
Co-authored-by: NImVector <59611597+LuigiImVector@users.noreply.github.com>
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>

* Add pt_BR link to CONTRIBUTING-pt_BR, and in CONTRIBUTING files.

* Add pt_BR link in CONTRIBUTING.md and CONTRIBUTING-zh.md.

* [CORRECTION] links repeated and possible conflicts with #5837.

* [CORRECTION] links repeated and extra comma.

* [CORRECTION] Anchor markdown syntax.

- Change to `https` in those accepts SSL secure protocol
- Remove `cssdeck.com` dup
- Remove `ScalaFiddle.net`. Casino parked website. Right site already listed: `ScalaFiddle.io`
- Direct links on `codepad.org` to each language
Co-authored-by: NEric Hellman <eric@hellman.net>

Added How to manage remote servers with ansible book.

Author name found on the original book.

* Add "Arduino basics course" from forbot.pl

* Update order

* podcast and course sources were added for turkish and english content.

* alphabetic order for the course of Turkish.

* marking configuration were edited and it's valid for the project.

* stackoverflow podcast link was changed.

* turkish podcast link was changed. turkish course content order was changed. html-css section merged. the name of two section changed as ide-editor and version control systems.

* trendyol podcast link changed.

* removing trailing slash of the trendyol podcast link.

* add Symfony and Laravel books

* Update books/free-programming-books-ua.md
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>

* Update books/free-programming-books-ua.md
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>

* Update books/free-programming-books-ua.md
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>

* Update free-programming-books-ua.md
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>

* add nand2tetris

* fix formatting for nand2tetris

* Adds german introduction to TypeScript

* adds authors name
Co-authored-by: NImVector <59611597+LuigiImVector@users.noreply.github.com>
Co-authored-by: NImVector <59611597+LuigiImVector@users.noreply.github.com>

* jQuery Tutorial Added

* Default removed from link

Add javascript course from Florin Pop Youtube channel.

* Adding grasshopper for playgrounds for javascript

Added grasshopper as a programming playground

* Update more/free-programming-playgrounds.md
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>

* fix(books): restore UNAM url

UNAM `https` link must be preserved. It is the author site.

https://lya.fciencias.unam.mx/jloa/publicaciones/analisisdeAlgoritmos.pdf

openlibra site is down (see #5470)

Resolves EbookFoundation/free-programming-books#6224
Fixes EbookFoundation/free-programming-books#5916 
Fixes EbookFoundation/free-programming-books#6097

* chore(books): set author

BOOK:        Breves Notas sobre Análisis de Algoritmos
AUTHOR:  Jorge L. Ortega Arjona
EDITOR:     Departamento de Matemáticas, Faultad de CienIas, UNAM (Universidad Nacional Autónoma de México)
DATE:       marzo 2005

Adds the most important developer podcasts hosted at IBM
- Open IBM Developer Podcast
- IBM Data Science Podcast
- In the Open with Luke and Joe (independent)

* feat(playground): Add regex section

* feat(playgrounds): Add regex101.com by Firas Dib

* feat(playgrounds): Add regexr.com by GSkinner

* feat(playgrounds): Add regextester.com @ Dan Tools

* feat(playgrounds); Add iHateRegex.io by GeonGeorge

RESOURCE:   Financial Numerical Recipes in C++
AUTHOR:        Bernt Arne Ødegaard
URL 1:             http://finance.bi.no/~bernt/gcc_prog/recipes/ 
URL 2:             https://tfetimes.com/wp-content/uploads/2015/04/recipes.pdf
DATE:              Jun 2014
HOME:            https://ba-odegaard.no/gcc_prog/recipes/
PDF:                https://ba-odegaard.no/gcc_prog/recipes/recipes.pdf
PRINT:            https://ba-odegaard.no/gcc_prog/recipes/recipes.ps
SOURCES:      https://ba-odegaard.no/gcc_prog/recipes/finrecipes.zip

Improves EbookFoundation/free-programming-books#6213
Improves EbookFoundation/free-programming-books#5470

* bootstrap 5 tutorials added

* updaded fix