Path: csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!weretis.net!feeder1.news.weretis.net!feeder.erje.net!newsfeed.xs4all.nl!newsfeed6.news.xs4all.nl!xs4all!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail
Return-Path: <dihedral88888@googlemail.com>
X-Original-To: python-list@python.org
Delivered-To: python-list@mail.python.org
X-Spam-Status: OK 0.028
X-Spam-Evidence: '*H*': 0.94; '*S*': 0.00; 'args': 0.05; 'python': 0.08; 'reply-to:addr:comp.lang.python': 0.09; 'to:addr:comp.lang.python': 0.09; 'am,': 0.12; 'wednesday,': 0.15; 'enough?': 0.16; 'ideas?': 0.16; 'parsed': 0.16; 'subject:independent': 0.16; 'cc:addr:python-list': 0.16; 'wrote:': 0.18; '>>>': 0.18; 'header:In-Reply-To:1': 0.22; 'differ': 0.23; 'interpreted': 0.23; 'string': 0.24; 'command': 0.24; 'language.': 0.28; 'lists': 0.28; 'cc:addr:python.org': 0.29; 'actions.': 0.30; 'hash': 0.30; 'subject:?': 0.31; 'list': 0.32; 'header:User-Agent:1': 0.33; 'cc:2**2': 0.34; 'from:addr:googlemail.com': 0.34; 'duplicate': 0.34; 'typical': 0.34; 'list.': 0.35; 'equal': 0.36; 'thursday,': 0.37; 'but': 0.37; 'received:google.com': 0.37; 'linked': 0.38; 'replace': 0.38; 'some': 0.38; 'received:209.85': 0.38; 'received:209': 0.40; '2011': 0.61; 'kind': 0.61; 'order': 0.62; 'further': 0.64; 'header:Reply-To:1': 0.71; 'reply-to:no real name:2**0': 0.72; '30,': 0.74; 'reply-to:addr:googlegroups.com': 0.74; 'easy:': 0.84; 'otten': 0.84
Newsgroups: comp.lang.python
Date: Thu, 1 Dec 2011 08:17:08 -0800 (PST)
In-Reply-To: <mailman.3201.1322754793.27778.python-list@python.org>
Complaints-To: groups-abuse@google.com
Injection-Info: glegroupsg2000goo.googlegroups.com; posting-host=1.168.133.35; posting-account=5JdMBQoAAABHnS4mjpqEzxnmWtgiiVNw
References: <jb57p7$b1j$1@dough.gmane.org> <mailman.3156.1322657239.27778.python-list@python.org> <30715729.411.1322753732534.JavaMail.geo-discussion-forums@pret21> <mailman.3201.1322754793.27778.python-list@python.org>
User-Agent: G2/1.0
X-Google-Web-Client: true
MIME-Version: 1.0
Subject: Re: order independent hash?
From: 88888 Dihedral <dihedral88888@googlemail.com>
To: comp.lang.python@googlegroups.com
Content-Type: text/plain; charset=ISO-8859-1
Cc: python-list@python.org, d@davea.name, 88888 Dihedral <dihedral88888@googlemail.com>
X-BeenThere: python-list@python.org
X-Mailman-Version: 2.1.12
Precedence: list
Reply-To: comp.lang.python@googlegroups.com
List-Id: General discussion list for the Python programming language <python-list.python.org>
List-Unsubscribe: <http://mail.python.org/mailman/options/python-list>, <mailto:python-list-request@python.org?subject=unsubscribe>
List-Archive: <http://mail.python.org/pipermail/python-list>
List-Post: <mailto:python-list@python.org>
List-Help: <mailto:python-list-request@python.org?subject=help>
List-Subscribe: <http://mail.python.org/mailman/listinfo/python-list>, <mailto:python-list-request@python.org?subject=subscribe>
Message-ID: <mailman.3202.1322756236.27778.python-list@python.org>
Lines: 27
NNTP-Posting-Host: 2001:888:2000:d::a6
X-Trace: 1322756236 news.xs4all.nl 6966 [2001:888:2000:d::a6]:41322
X-Complaints-To: abuse@xs4all.nl
Xref: x330-a1.tempe.blueboxinc.net comp.lang.python:16502

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.