"If you have a question that you already know the answer to, and you would like to document that knowledge in public so that others (including yourself) can fin

"If you have a question that you already know the answer to, and you would like to document that knowledge in public so that others (including yourself) can find it later, it's perfectly okay to ask and answer your own question on a Stack Exchange site." http://stackoverflow.com/help/self-answer http://stackoverflow.com/help/self-answer