Linking CZpodcast to official podcast Soundcloud channel

* Added Java screencast in new section

Created a new section for Java

Added a screencast playlist

* Fix ordering of author and (screencast)

* Update free-podcasts-screencasts-pt_BR.md

* Update free-podcasts-screencasts-pt_BR.md

* Update free-programming-books-pt_BR.md

Add the book "The Road to Learn React"

* Add the the notation "Leanpub account or valid email requested"

* book update

* Removing non-free book

* Add link to WebGL Insights book

* delint - spaces and trailing slash

add sqlite fiddle in SQL

the site has moved to stats.biopapyrus.jp.
the documents for R has merged into one page.

* remove 2 ebook of [Linkers and Loaders], [Learn Python The Hard Way]. ref issue:#3091, #3062

* Fix Issue: #2993, Add book The Black Art of Programming.

* fix author name

remove 2 ebook of [Linkers and Loaders], [Learn Python The Hard Way]. ref issue:#3091, #3062 (#3104)

* Add Ruby Tutorial For Beginners

Hi,
This adds a new free Ruby tutorial (HTML version), **optionally** visitors can download a PDF version of the book by entering an email address.

## What does this PR do?

Add Resource

### Description

Free Ruby tutorial / book for beginners in HTML format with multiple lessons, including installing Ruby, conditionals, loops & object-oriented programming.

### Why is this valuable

It's a complete Ruby tutorial for beginners that helps learn Ruby from scratch. Includes examples, clear explanations & exercises.

### How do we know it's really free?

I made it.

### For book lists, is it a book?

Yes.

### Checklist:

- [x] Not a duplicate
- [x] Included author(s) if appropriate
- [x] Lists are in alphabetical order
- [x] Needed indications added (PDF, access notes, under construction)

* Use Full Book Name

* Add Python screencasts

* Update free-podcasts-screencasts-pt_BR.md

* add CSS Animation 101 ebook

https://github.com/cssanimation/css-animation-101

* Update free-programming-books.md

* add Creative Scala - Greek translation

* line brake

* Added OCaml playground

* delint

Pattern Recognition and Machine Learning Book Added from Microsoft

* Added  Edx Machine Learning course by Microsoft

* Added Edx Machine Learning course by Microsoft

* Update free-courses-en.md

* Update free-courses-en.md

* delint

* Add PHP screencasts

* Correct the number of blank spaces

* Update free-podcasts-screencasts-pt_BR.md

* Alphabetical ordering

I didn't know all this rules to edit a file, my bad.

Update license warpping length to conventional 80 characters for hiding the horizontal scroll bar. (#3088)

* Add Excel-vba Ebook repo.

* Add VBA Eboob Repo. and fix incorrect menu link.

* fix Wrong format line

* Fix incorrect markdown syntax.

* Refactor DB and Javascript menu ZH version md file.

Move 'MySQL, NoSQL, PostgreSQL' under menu: Language Agnostic(语言相关),

Delete a book link of [Google JSON 风格指南], it's a multiple repo. with [JSON 风格指南], 2 link is point to the same one page.

* Delete multiple ebook link

D1. [Redis 设计与实现](http://redisbook.com), wiich is the same as menu: NoSQL -> [Redis 设计与实现](http://redisbook.com)

D2. [The Little MongoDB Book 中文版](https://github.com/justinyhuang/the-little-mongodb-book-cn) wiich is the same as menu: NoSQL -> [The Little MongoDB Book](https://github.com/justinyhuang/the-little-mongodb-book-cn/blob/master/mongodb.md)

* Update comments description.

* remove multiple ebook link

* Fix machine chek issue(fix mistake link location of PostgreSQL)

* FIX machine checking [Do not use headings with similar content (544:1)]

* Fix machine checking [359:1-361:78  warning  Alphabetical ordering: swap l.361 and l.360  alphabetize-lists]

* Update license warpping length to 80 characters.

I removed the link "http://www.vedovelli.com.br/screencasts/" because is not working

* Update free-programming-books-es.md

Add Piensa en Perl 6 (Spanish translation of Think Perl 6)

* Update free-programming-books.md

Add another Perl 6 book. Nowadays Perl 6 is also known as Raku (https://marketing.perl6.org/id/1541379592/pdf_digital) and the name Rakudo refers to the only major Perl 6 compiler at the moment. Also update status of 'Using Perl 6'.

* Update free-programming-books.md

Alphabetize list

* add space to satisfy linter

* Update free-programming-books-es.md

* Adding Cuda PDFs

* putting alphabetically order

* removed extra space

Always check the output of the linter!

* Add Excel-vba Ebook repo.

* Add VBA Eboob Repo. and fix incorrect menu link.

* fix Wrong format line

* Fix incorrect markdown syntax.

* Refactor DB and Javascript menu ZH version md file.

Move 'MySQL, NoSQL, PostgreSQL' under menu: Language Agnostic(语言相关),

Delete a book link of [Google JSON 风格指南], it's a multiple repo. with [JSON 风格指南], 2 link is point to the same one page.

* Delete multiple ebook link

D1. [Redis 设计与实现](http://redisbook.com), wiich is the same as menu: NoSQL -> [Redis 设计与实现](http://redisbook.com)

D2. [The Little MongoDB Book 中文版](https://github.com/justinyhuang/the-little-mongodb-book-cn) wiich is the same as menu: NoSQL -> [The Little MongoDB Book](https://github.com/justinyhuang/the-little-mongodb-book-cn/blob/master/mongodb.md)

* Update comments description.

* remove multiple ebook link

* Fix machine chek issue(fix mistake link location of PostgreSQL)

* FIX machine checking [Do not use headings with similar content (544:1)]

* Fix machine checking [359:1-361:78  warning  Alphabetical ordering: swap l.361 and l.360  alphabetize-lists]

* Update free-programming-books-zh.md

fixed  [nutz](https://github.com/EbookFoundation/free-programming-books/issues/2529)

* Update free-programming-books-zh.md

Modify sort ,  [nutz](https://github.com/EbookFoundation/free-programming-books/issues/2529)

* Update free-programming-books-zh.md

Modify sort

* Add Excel-vba Ebook repo.

* Add VBA Eboob Repo. and fix incorrect menu link.

* fix Wrong format line

* Fix incorrect markdown syntax.

* Add Excel-vba Ebook repo.

* Add VBA Eboob Repo. and fix incorrect menu link.

* fix Wrong format line

* Add "Programming Language Foundations in Agda"

New book out from Philip Wadler and Wen Kokke.

Site: https://plfa.github.io
Repo: https://github.com/plfa/plfa.github.io

* Add authors' names

* remove trailing slash, add full names