Can you (or anyone else) explain to me how, or point me somewhere that I can learn how this works? I'd really like to know more about how bitwise arithmetic works. Thanks
>>> Francesco Riosa <[EMAIL PROTECTED]> 1/10/06 4:58:47 PM >>> Francesco Riosa wrote: > And another one is (in inverse order for laziness): > > select > (8 & 1) AS `0` > , (8 & 2 > 1) AS `1` > , (8 & 4 > 1) AS `2` > , (8 & 8 > 1) AS `3` > , (8 & 16 > 1) AS `4` > , (8 & 32 > 1) AS `5` > , (8 & 64 > 1) AS `6` > , (8 & 128 > 1) AS `7` > ; > but this one looks better: select (8 & 1) AS `0` , (8 >> 1 & 1) AS `1` , (8 >> 2 & 1) AS `2` , (8 >> 3 & 1) AS `3` , (8 >> 4 & 1) AS `4` , (8 >> 5 & 1) AS `5` , (8 >> 6 & 1) AS `6` , (8 >> 7 & 1) AS `7` ; http://dev.mysql.com/doc/refman/4.1/en/bit-functions.html -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED]
