order independent hash?
88888 Dihedral
dihedral88888 at googlemail.com
Thu Dec 1 11:17:08 EST 2011
On Thursday, December 1, 2011 11:52:46 PM UTC+8, Dave Angel wrote:
> On 12/01/2011 10:35 AM, 88888 Dihedral wrote:
> > On Wednesday, November 30, 2011 8:47:13 PM UTC+8, Peter Otten wrote:
> >> Neal Becker wrote:
> >>
> >>> I like to hash a list of words (actually, the command line args of my
> >>> program) in such a way that different words will create different hash,
> >>> but not sensitive to the order of the words. Any ideas?
> >> You mean a typical python hash value which would be /likely/ to differ for
> >> different lists and /guaranteed/ to be equal for equal lists is not good
> >> enough? Because that would be easy:
> >>
> >> args = sys.argv[1:]
> >> hash(tuple(sorted(args))) # consider duplicate args
> > I knew a hash can replace a bi-directional linked list.
> > The value can be a multi-field string to be parsed for further actions.
> > Is this what you are asking?
> A hash is a number, so I don't see how it can replace any kind of linked
> list. Perhaps you're thinking of some other language.
>
> --
>
> DaveA
A long number of a varied length allowed but can interpreted by the programmer.
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