这个错误是新手经常会遇到的，本文主要介绍如何修复ERROR 2003 (HY000): Can't connect to MySQL server on ‘localhost' (10061)解决方案:1、登录到安装Mysql的主机，打开cmd命令行工具，执行命令mysql -uroot -p，报出下面所描述的错误；2、在开..
错误信息：ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)出现问题原因：有可能是 my.cnf 配置文件中设置了 [mysqld] 的参数 socket ，而没有设置[client]的参数socketmysql.sock 文件有什么用：m..
报错信息：ERROR 2002: Can't connect to local MySQL server through socket ‘/tmp/mysql.sock' (111)解决办法：/usr/local/mysql/bin/mysqladmin -u root > -S /var/lib/mysql/mysql.sock password 'your.passwd'或者做个软连接ln -s /var/lib/m..
具体代码如下所述：var _setList = (from f in _postgreDbContext.settlements group f by ( new { f.settlement_code })into g select new { deal_time = g.Max(m => m.deal_time), g.Key.settlement_code }).AsNoTracking().ToList();知识点扩展..
