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This one-liner shows that if you use rand() < 0.5 to decide between locations -- even if the rand calls are in different invocations of perl -- the distribution will be fairly split:

perl -E"{++$t;$r=`perl -E\"say rand()\"`;$r<.5?++$a:++$b; printf qq[\r +%.3f : %.3f], $a*100/$t, $b*100/$t; redo}" 49.350 : 50.650

With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.

RIP Neil Armstrong


In reply to Re: Send x% of the users to A, the rest to B by BrowserUk
in thread Send x% of the users to A, the rest to B by DreamT

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    [ambrus]: erix: that one actually sucks. these days people should get rid of the old notion that TeX is the only thing you can use for decent mathematics writing, because MS Office and LibreOffice have reached the
    [ambrus]: level where people can more easily write as good mathematical papers in them as the people who write bad LaTeX papers usually write.
    [ambrus]: Yes, for like the first twenty of its years, TeX was basically the only system that allowed you to write decent maths papers, and C++ and PHP were programming languages that sucked, etc. But times change and people have to accept that.
    Discipulus bad people + good tool < normal people + decent tool
    [Discipulus]: php does not suck anymore?

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