* remove-dead-links

remove dead urls (404's) and sections that no longer contain resources

* remove one more dead link

Remove an additional link that resolved, but contained no information

* remove indexes with no links

remove dead link from free-programming-interactive-tutorials-en.md

Remove "under construction"  for "Developing with Angular" book

* Add Swift Vapor resources

* Reorder Vapor resources alphabetically

* Add author to Vapor 3 tutorial

* Move vapor university to free-courses-en.md

* Add series of tutorials : Android for beginners and Object oriented programming for PHP

* Add new line at the end of the file , prevent warning  Missing newline character at end of file.

* Add link in README.md for Bulgarian courses

* Spanish SVN book

* Add svn to index

* Add svn to index x2

* Try to fix this

* Try to fix this x2

* wtf

* O'RLY?

* Add series of tutorials : Android for beginners and Object oriented programming for PHP

* Add new line at the end of the file , prevent warning  Missing newline character at end of file.

Added Super data Science podcasts.
Very informative and knowledge rich podcasts.

* Fix playgrounds alphabetical order

* Add Scala to playgrounds index

* Add online Swift playground

This course is no longer free. It requires a paid subscription.

* Add new book of React and Redux (Spanish)

* Fix Lint

let me know if you think it reads better. thanks!

* Added Introdução a Visão Computacional com Python e OpenCV - PDF

* Added Introdução a Visão Computacional com Python e OpenCV - PDF 2.0

* Added Speech and Language Processing PDF

Speech and Language Processing, An Introduction to Natural Language Processing, Computational Linguistics, and Speech Recognition Third Edition draft by Daniel Jurafsky & James H. Martin

* Fixed PDF label

* Update free-courses-en.md

Added C++ courses on edX.org

* Update free-courses-en.md

Corrected alphabetical order.

* First update

Title Algorítmos y Estructuras de Datos

* Fixed latin accute letters

updated the reference manual to Lua's latest edition

* Add links to Elm Accelerated and TypeScript 

Accelerated

* remove trailing slashes to satisfy linter

* added Go Tour by golang.org

* added A Tour of Go by golang.org

"Performance Web" não está funcionando

* Added Learn to Code HTML & CSS of Shay Howe

* Removed slash and alphabetical ordering

* Removed paid version information

* Add "Functional Programming, Simplified (Scala edition)" and "Hello, Scala"

* Add "Язык программирования Haskell: Учимся быть ленивыми"

* Add "Non-Uniform Random Variate Generation"

* Add "Functional Programming, Simplified (Scala edition)" and "Hello, Scala"

* Add "Язык программирования Haskell: Учимся быть ленивыми"

* Update free-programming-books-zh.md

* Update free-programming-books-zh.md

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