Interestingly, this "textbook for modern programmers" usage was one of the explicit goals for the site:
> Programmers seem to have stopped reading books. The market for books on programming topics is miniscule compared to the number of working programmers.
> Programmers seem to have stopped reading books. The market for books on programming topics is miniscule compared to the number of working programmers.
--http://www.joelonsoftware.com/items/2008/04/16.html