[H-GEN] Mysql & bitwise xor

Greg Black gjb at gbch.net
Mon Nov 17 06:44:29 EST 2003


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On 2003-11-17, Paul Clarke wrote:

> So, the next question is what is the logic needed to do an xor using
> only &, |, and ~ (and, or, and not)?

Have you tried substituting X | ~Y for X ^ Y?

> Or will it be easier to do the
> calculation in php and writhing the result back?

This was a joke, right?

Cheers, Greg

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