Path: csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!news.albasani.net!newsfeed.freenet.ag!news2.euro.net!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.042 X-Spam-Evidence: '*H*': 0.92; '*S*': 0.00; 'args': 0.05; 'python': 0.08; 'am,': 0.12; 'wednesday,': 0.15; 'enough?': 0.16; 'ideas?': 0.16; 'parsed': 0.16; 'received:192.168.1.104': 0.16; 'subject:independent': 0.16; 'cc:addr:python-list': 0.16; 'wrote:': 0.18; '>>>': 0.18; 'cc:no real name:2**0': 0.20; 'header :In-Reply-To:1': 0.22; 'differ': 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; 'duplicate': 0.34; 'typical': 0.34; 'list.': 0.35; 'equal': 0.36; 'cc:2**1': 0.36; 'but': 0.37; 'received:192': 0.37; 'linked': 0.38; 'replace': 0.38; 'some': 0.38; 'received:192.168': 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; 'easy:': 0.84; 'otten': 0.84; 'to:none': 0.93 Date: Thu, 01 Dec 2011 10:52:46 -0500 From: Dave Angel User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.23) Gecko/20110922 Thunderbird/3.1.15 MIME-Version: 1.0 Subject: Re: order independent hash? References: <30715729.411.1322753732534.JavaMail.geo-discussion-forums@pret21> In-Reply-To: <30715729.411.1322753732534.JavaMail.geo-discussion-forums@pret21> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Provags-ID: V02:K0:oNg0LjV2qZfanEintbmMp+m9HF+0cMklBAFH+3QH1pF OOmqPsuspy1Vjjiw8KtW+t1PQkGh1eUH92Cl/APptr/Hy0gQXS NykwX1R+oLoFMEhUrv8amu13njYJ5CB2+eeuEw/TiyvsIOSNdP vNhd/wXPRJF5AtjplrCK86kjPPzjzztsG/hQA0KKn+byvHoyxu aFJ0pIqPpLLxPKxJk7Pm07Fw7KrQrb6VWxFWwKqqYBUulgZthX 7HlPgqg9UfpG0g+Bhh240aXKAZ/9u6eD/USAaxLtZrJffzWiZ+ ZMSGEl5iCSdqmNdflcSE7o2JFFeumknAugep+pGGfPDEo/Xuw= = Cc: python-list@python.org, 88888 Dihedral X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.12 Precedence: list Reply-To: d@davea.name List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 23 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1322754794 news.xs4all.nl 6958 [2001:888:2000:d::a6]:41114 X-Complaints-To: abuse@xs4all.nl Xref: x330-a1.tempe.blueboxinc.net comp.lang.python:16501 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