On Tue, Nov 16, 2010 at 5:31 AM, Dennis Gearon <gear...@sbcglobal.net> wrote: > hashing is not 100% guaranteed to produce unique values.
But if you go to enough bits with a good hash function, you can get the odds lower than the odds of something else changing the value like cosmic rays flipping a bit on you. -Yonik http://www.lucidimagination.com