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Re^6: Generate a unique ID

by BrowserUk (Pope)
on Nov 17, 2010 at 15:37 UTC ( #872006=note: print w/replies, xml ) Need Help??


in reply to Re^5: Generate a unique ID
in thread Generate a unique ID

I did mention the reason. MS' CRT rand() function uses 15-bits only.

This also affects Perl directly because the perl's rand is implemented in terms of the crt function.

I'd normally use Math::Random::MT for anything where I need a descent random, but the standard implementation (and therefore the Perl module) is not threadsafe due to some static internal buffers.

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