* Add javatpoint android free tutorial

* add python playground

* Add interactive new Android tutorial section

javatpoint android tutorial

* del prev change

* change python playground title

* Updated code of conduct

Link to homepage and version are updated from http to https as [Hyper Text Transfer Protocol Secure].
's' is suffixed to http to make the secure link so that it is not considered as a mallacious spam link by any browser.

* Update CODE_OF_CONDUCT.md

All links are updated up to date now.

* Update The Art of Assembly Language

Added PDF note, updated link to a PDF for easy downloading, added author and publication year.

* Remove personal PDF link 

I removed the personal PDF link to Art of Assembly, and rolled it back to the original archive link. All my other (useful) changes remained.

* add materials about swift

* fix spaces

* add new material

* fix build

* fix build

* fix build

* fix

* Added a section and a book in Japanese.

* Added a navigational link and removed one hash.

* Added missing new lines.

* Added space.

* Add file for polish podcasts and screencasts

* Fix formatting and alphabetical order

* Add link on the main page

* Remove 0 from category name
Co-authored-by: NArkadiusz Chmura <arkadiusz.chmura@allegro.pl>

* Added React Podcast

Updated React Round Up Podcast by DevChat.tv

* Updated React Podcast

Updated React Round Up Podcast

Add JavaScript Wikibooks

* fix ordering

most likely this problem was introduced by conflicting merges

* alphabetize

* adding machine learning portuguese courses

* adding machine learning portuguese courses

* adding machine learning portuguese courses

* ajust ordered item - lint

* added crash course for react 2020

* added a course series for react hooks

* added author:

* Include courses

Include free courses from Desenvolvedor.io

* Update free-courses-pt_BR.md

* Correct

* check_urls=free-podcasts-screencasts-pt_BR

* check_urls=free-podcasts-screencasts-pt_BR

* check_urls=free-podcasts-screencasts-pt_BR

* add python di prograte course in bahasa

* add c# course in bahasa

* delete python no playlist course

* fixing index c# in course bahasa

* added a e-book for Linux (PDF)

* add Linux Operating System Fundamentals

* updated

* Added resources to learn capture the flags cybersecurity

* Added resources to learn capture the flags cybersecurity

* Added resources to learn capture the flags cybersecurity

* Added resources to learn capture the flags cybersecurity with changes

* made changes to ctf resources

* made changes to ctf resources

* made further changes to previous pr

* made final changes

* made final changes

* Added books in Algorithms and Competetive Programming

* Resubmitting PR with requested changes

* Add Book 'React Native Notes for Professionals'

* correct alphabetical order

* fixing linting errors

* Add React Native Category and 2 courses

* Fix Lint Spaces

* Fix content link to playlist
Co-authored-by: Ntherion <therion@therion.kali>

* Added The Vue.js Handbook to Vue links

Updated free programming books list to include The Vue.js Handbook

* Fix Alphabetical order

* Update free-programming-books.md

* Add Redis spanish book

* Add React spanish book

* Add GoLang spanish book

* Fix fpb-lint warnings

* Include author names

Add Vuex for Everyone by VueSchool to list of courses

* Added a book helping to learn LATEX

* Added a new book for Latex learners in french
Co-authored-by: NChristophe Belleut <christophe.belleut@telecomnancy.eu>

* Add resource link free e-book

* Fix lint Atomic Design

* Bug fixing alphabetic ordering

* Fix validate lint by alphabetic

* Update free-programming-books.md

* Update free-programming-books.md

* edit: clean out broken pl links

* remove: another link

* edit: remove 404 links

* update: spacing