We're automatically detecting categories on blekko.com now. If you type in a programming question, it should return a category called /programming or /javascript, or whatever the language is you're looking for.

Examples taken from some stackoverflow posts:

http://blekko.com/#?q=Exception%20caught%3A%20java.io.FileNo...

http://blekko.com/#?q=No%20value%20for%20parameter

http://blekko.com/#?q=logger.error('Opps%20we%20got%20an%20e...