1. Rosetta Code: It's one of the most useful sites of its kind. Rosetta Code is tagged as "programming chrestomathy" which is a library of examples showing you how to perform same tasks in different programming languages. You can learn, for example creating a window in a GUI, with different toolkits in a particular language. Like if you are using Python, you have libraries like Tkinter, PyGTK, Pythonwin, wxPython and so on. 2. Codecademy: This is a website which teach you coding in an interactive mode with its well-structured courses. It offers you courses on web fundamentals, PHP, JavaScript, jQuery,...
