The Wikipedia is amazing. In addition to being one of the best sources of news about major current events, it has code snippets, like this one to fight Referer spam.
- © 2003-2021 A. Michael Froomkin. Unless otherwise stated, or copyright by others is indicated, textual content is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 United States license. This permits non-profit reproduction so long as credit is given to the author and any resulting work is shared under the same or similar license. Links are appreciated. Library photo in header © 2008 Alex Nikada.