php合并时间段
<?php $list = array( array('begin_time' => 11, 'end_time' => 12), array('begin_time' => 1, 'end_time' => 4), array('begin_time&#
MySQL创建用户与授权
一. 创建用户命令:CREATE USER 'username'@'host' IDENTIFIED BY 'password';说明：username：你将创建的用户名host：指定该用户在哪个主机上可以登陆，如果是本地用户可用localhost，如果想让该用户可以从任意远程主机登陆，可以使用通配符%password：该用户的登陆密码，
you should increase either proxy_headers_hash_max_size: 512 or proxy_headers_hash_bucket_size: 64
报错内容：nginx: [warn] could not build optimal proxy_headers_hash, you should increase either proxy_headers_hash_max_size: 512 or proxy_headers_hash_bucket_size: 64; ignoring proxy_headers_hash_bucket_siz