This is a copy of the Wikipedia article on buffer overflows.
One of the addition I would make to this search engine is to delete all the Wikipedia clones from the results.
Looks like this idea isn't totally in the free-and-clear from content farms.
Yeah except now you get the content farms that don't know how to rank. A competitive spammy term like "pay day loans" still shows plenty of low quality sites because of the crazy number of sites looking to cash in on the term.