learn coding online

http://www.codecademy.com/learn

http://code.org/learn

Computer Programming: How can I create a site like Codecademy using open-source tools?

https://github.com/Codecademy 

 

https://www.khanacademy.org/computing/cs/browse-programs 

 http://www.html5rocks.com/en/tutorials/

http://thenextweb.com/dd/2012/10/21/so-you-want-to-be-a-programmer-huh-heres-25-ways-to-learn-online/ 

https://developer.mozilla.org/en-US/learn