目录Redis过期删除删除策略淘汰机制redis过期删除 redis的键可以设置过期时间，但是并不是每个键一到过期时间就会立即删www.devze.com除，redis不可能给每个设置过期时间的key上添加一个定时器来监视是否过期，CPU根
I am developing some JavaScript that should work with either Prototype.js or JQuery, thus I need some way to i开发者_开发知识库dentify what is the primary library in use. How can I do that?You can che
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