Include CS50 course offered by Harvard on EDX

[shad90]

Harvard has offered CS50 course on EDX. It is the same course being taught in harvard to introduce programming. It covers Programming in C from beginner to - I will say - intermediate level. They have very good problem sets. At the end they also touch javascript, HTML, CSS, MySql, and PHP.

[poyoin]

And now they exchanged PHP with Python. Good course!