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Automatically exported from code.google.com/p/phplock
非常感谢分享,
建议startlock endlock可以省掉,放入lock与unlock.
我知道您可能想提供给用户更多可操作的返回,让调用者可��
�更多,
可否考虑用一个成员变量ERROR来保存startlock
与lock中各种调用出错。
Original issue reported on code.google.com by [email protected]
on 13 Jan 2011 at 6:12
非常感谢分享:
循环冗余校验码的作用是将字符串映射成数字,然后对100求��
�目的是最终映射100个文件,但如下这个部分是做什么用的:
$crc = abs ( crc32 ( $string ) );
if ($crc & 0x80000000) {
$crc ^= 0xffffffff;
$crc += 1;
}
已经取绝对值情况下还需要判断首位为负么?
如果是64位系统呢,算法有影响么。
Original issue reported on code.google.com by [email protected]
on 16 Nov 2010 at 7:14
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