Links of interest. mostly Python references:
Documentation: - http://www.python.org/doc/
Online interpreters: - http://www.learnpython.org/ - http://www.pythonlearn.com/ - http://pythontutor.com # With a nice representation of interpreting process
Simple web API for Python: - http://webpy.org/
HTML Doc: - http://www.w3.org - http://www.w3schools.com/html/html_intro.asp
HTML Online intepreter: - http://www.w3schools.com/html/tryit.asp?filename=tryhtml_intro