More to explore:
Top 10 course code search engines
Google Code Search API (10/5/2006 - 1/15/2012) http://googleblog.blogspot.com/2011/10/fall-sweep.html#!/2011/10/fall-sweep.html
top 10 places to find code.
University Research Program for Google Search (1/15/2012) googleblog.blogsp...
50 Places You Can Learn to Code (for Free) Online - Online College Courses
Get Exactly What You Asked For On Google Using These Tips #Infograpic - Some pointers that will save you from Googling 'how to #Google."
Jaiku was a social networking, micro-blogging and lifestreaming service comparable to Twitter. It is owned by Google. www.jaiku.com