Subject: Re: [xsl] RandomList.xsl from FXSL-xslt2 From: Jesper Tverskov <jesper.tverskov@xxxxxxxxx> Date: Fri, 2 Oct 2009 16:36:04 +0200 |
Are 5 digits more than good enought to generate random numbers below 1000. Any rule of thumb for how to make the best possible seeds? format-time(current-time(), '[f][s]') Cheers, Jesper On Fri, Oct 2, 2009 at 2:57 PM, Dimitre Novatchev <dnovatchev@xxxxxxxxx> wrote: > On Fri, Oct 2, 2009 at 1:23 AM, Jesper Tverskov <jesper@xxxxxxxxxxx> wrote: >> Hi List >> >> I'm trying to get RandomList.xsl from FXSL-xslt2 working. >> >> The test file provided by FXSL, testRandomList2.xsl, works well for >> shuffling a deck of cards. But the order of the 52 cards is always the >> same. > > This is a FAQ. > > You need a seed to generate a sequence of random numbers and if you > always start with the same seed, you'll always get the same random > sequence. > > In order to have a different seed each time you need it, use the current time. > > For example, if you need to make 100 shuffles, first get a sequence of > 100 numbers (using the current time as the seed for the generation of > the sequence). > > Then use each of these 100 numbers to generate a shuffle. > > > > -- > Cheers, > Dimitre Novatchev > --------------------------------------- > Truly great madness cannot be achieved without significant intelligence. > --------------------------------------- > To invent, you need a good imagination and a pile of junk > ------------------------------------- > Never fight an inanimate object > ------------------------------------- > You've achieved success in your field when you don't know whether what > you're doing is work or play > > -- Jesper Tverskov http://www.xmlkurser.dk http://www.xmlplease.com
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