Trial and error - how else? :) I believe finding a perfect hash function for every kind and combination of data is a very very time consuming operation. Also there is the common case where the data is online (ie: stateless) that said it doesn't mean you can't make assumptions about the kind of data.
Arash Partow ________________________________________________________ Be one who knows what they don't know, Instead of being one who knows not what they don't know, Thinking they know everything about all things. http://www.partow.net Paul Rubin wrote: > "Arash Partow" <[EMAIL PROTECTED]> writes: > > For different data types different hash functions work > > better/worse aka fewer or more collisions. > > But you give no indication of which of those hashes works best for > what kind of data. How is the user supposed to figure out which one > to choose? -- http://mail.python.org/mailman/listinfo/python-list
