Multiple Stresses Killed Snail Memory Stress sucks. It can affect your body and mind. Previous research has shown that stress can even hinder our ability to remember. But these studies have typically focused on one stress at a time. What happens when…
链接数据库时忽然遇到一个问题.Mac Navicat链接时报错Can’t connect to MySQL server on ‘xx.xx.xx.xx’ (61). PS. win版Navicat 报错Can’t connect to MySQL server on ‘xx.xx.xx.xx’ (10038) 其中xx.xx.xx.xx是ip地址. 1.查看该用户是否有远程登录的权限 === mysql> SELECT * FROM mysql.user; +-----------+-----…
在一次测试执行过程中,发现服务器TCP发送队列较长,执行netstat -s | grep LISTEN,发现有SYNs包被丢弃,但是没有times the listen queue of a socket overflowed,即有可能是半连接队列溢出. 以下转自:http://blog.chinaunix.net/uid-13776576-id-5780567.html 问题描述: 最近遇到了一个syn丢包的情况,当系统磁盘.网络.cpu都无压力的时候,系统莫名其妙出现“sync to li…
Mac sequel Pro链接时报错Can’t connect to MySQL server on ‘xx.xx.xx.xx’ (61). PS. win版Navicat 报错Can’t connect to MySQL server on ‘xx.xx.xx.xx’ (10038) 其中xx.xx.xx.xx是ip地址. 1.查看该用户是否有远程登录的权限 mysql> SELECT * FROM mysql.user; +-----------+-----------+ | Use…
The Write Less , Do More ! jQuery选择器 1. #id : 根据给定的ID匹配一个元素 <p id="myId">这是第一个p标签</p> <p id="not">这是第二个p标签</p> <script type="text/javascript"> $(function(){ $("#myId").css("color&q…
