* Added material design tutorial

* Update free-courses-en.md

* Adding the API with Silex on GAE ebook, in pt_BR, PHP Section.

* Adding the API with Silex on GAE ebook, in pt_BR, PHP Section.

* Alphabetize the PHP ebooks in pt_BR.

* Add cocoa heads pt-BR podcast

* Update link anchor

* Add french book "Cours Ada 95 pour le programmeur C++", Q. Ochem

* Add Ada course in French from D. Feneuille

* Make changes to follow the guidelines

* Indicate a book is distributed as a ZIP file

added ScalaFiddle (s)

[Scala Exercises](https://www.scala-exercises.org/)

* [PythonToScala](https://wrobstory.gitbooks.io/python-to-scala/content/) - Rob Story

Original linked to a page whose download links were all broken. Linked instead to publisher's website, where the book can be downloaded for free.

* Remove problematic links

* Fix according to comments

* Formatting

* Update free-programming-playgrounds.md

* Update free-programming-playgrounds.md

* Update free-programming-playgrounds.md

* Update details for python course Programming for Everybody

El enlace del libro "El modelo relacional y el álgebra relacional" ya no funcionaba. Lo actualicé con un nuevo enlace que sí sirve.

Course name is MTH101 and not MTS 101

* Add a Standard ML slides by Atsushi Ohori

* Update SML# Document to new version in Japanese

* Add Standard ML Document in English, copied from Japanese

* Fix alphabettical order

* Added "Computational and Inferential Thinking"

* Remove trailing slash

* Reorder alphabetically

* Updated Operating Systems Resource

* Updated Operating Systems resource

* Update free-programming-books.md

* Update free-programming-books.md

* Update free-programming-books.md

* Update free-programming-books.md

* Added section about Data Science

* Update free-courses-en.md

* Added course about Git

* 📝 Add  to

* 📝 Add Begin Latex in minutes and fix typos

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