From: "Wolfgang Werners-Lucchini" <wwl@musensturm.de>
To: ntg-context@ntg.nl
Subject: Re: randomize
Date: Wed, 07 Apr 2010 15:42:06 +0200 [thread overview]
Message-ID: <4BBCA7CE.1241.F1ED2A@wwl.musensturm.de> (raw)
In-Reply-To: <mailman.376.1270641896.4277.ntg-context@ntg.nl>
> > Now it works. But WHY?
>
> Because that's the way random number generators works. They're
> not
> random at all, they generate completely predictable number
> sequences
> from a "seed": each time you use the same seed, you get the exact
> same
> sequence. In your case, you used os.time() as a seed, which is an
> integral number of seconds elapsed since some fixed date, and the
> fact
> you saw the same number ten times simply means your code was ran
> ten
> times within the same second.
I know this and I have triggerd this by hand. So there is a lot of
time between. I have purged files between every run and I got the
same result if I wait 1 second, 1 minute or 1 day.
Wolfgang
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next parent reply other threads:[~2010-04-07 13:42 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <mailman.376.1270641896.4277.ntg-context@ntg.nl>
2010-04-07 13:42 ` Wolfgang Werners-Lucchini [this message]
2010-04-07 13:56 ` randomize Arthur Reutenauer
[not found] <mailman.390.1270654736.4277.ntg-context@ntg.nl>
2010-04-08 7:28 ` randomize Wolfgang Werners-Lucchini
2010-04-08 7:41 ` randomize Arthur Reutenauer
2010-04-08 7:49 ` randomize Wolfgang Schuster
2010-04-08 8:00 ` randomize Arthur Reutenauer
[not found] <mailman.1.1270634402.10942.ntg-context@ntg.nl>
2010-04-07 11:00 ` randomize Wolfgang Werners-Lucchini
2010-04-07 11:05 ` randomize Arthur Reutenauer
[not found] <mailman.371.1270609971.4277.ntg-context@ntg.nl>
2010-04-07 9:40 ` randomize Wolfgang Werners-Lucchini
[not found] <mailman.349.1270527943.4277.ntg-context@ntg.nl>
2010-04-06 23:10 ` randomize Wolfgang Werners-Lucchini
2010-04-07 6:58 ` randomize Wolfgang Schuster
2010-04-05 22:21 randomize Wolfgang Werners-Lucchini
2010-04-05 22:49 ` randomize Wolfgang Schuster
2010-04-07 3:05 ` randomize Aditya Mahajan
2010-04-07 7:17 ` randomize Hans Hagen
2010-04-07 7:45 ` randomize luigi scarso
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