http://www.microchip.com/stellent/idcplg?IdcService=SS_GET_PAGE&nodeId=1824&appnote=en011794
In many applications, a DC/DC Converter is used to produce a regulated voltage or current, deriv...
修改配置后MySQL启动不了,报错:
[root@localhost mysql]# service mysql restart
Starting MySQL...[ERROR] The server quit without updating PID file (/usr/local/mysql/data/mysqld.pid).
看见这个不要惊...