1.停用mysql服务:# /etc/rc.d/init.d/mysqld stop 2.输入命令:# mysqld_safe --user=mysql --skip-grant-tables --skip-networking & 3.登入数据库:# mysql -u root mysql 4.mysql> use mysql; 结果如下: Database changed 5.mysql> UPDATE user SET Password=PASSWORD('newpassword…
打开MyEclipse8.5 想以debug模式启动tomcat6.0服务器,报 a configuration error occurred during startup.please verify the perference field with the prompt: cannot connect to vm. 解决办法一:运行cmd,输入netsh winsock reset 再 ,重启,这个也是一个解决方案,这个是重置winsock,可能是那个软件篡改了winso…
composer 报错: - Your requirements could not be resolved to an installable set of packages xxxxxxxxxxxxxxxxxxxxxx-> no matching package found. xxxxxxxxxxxxxxxxxxxxxx-> no matching package found. Potential causes: - A typo in the package name - The pac…
今天改完代码提交时,提交接近完成但窗口还未关闭电脑蓝屏了.夏天来了,电脑比人还怕热啊~~~ 心里咯噔一下,估计svn又会出一些莫名其妙的问题了. 果然,待电脑重启后开eclipse,文件还是新增状态,提交报错,提示需要执行clean up . 但svn执行clean up命令时报错“Previous operation has not finished; run 'cleanup' if it was interrupted”. 无论你到那个父层次的目录执行“clean up “,都是报一样…
MySQL数据库,当我尝试在A表中设置B表的主键为外键时,报出错误:#1452 - Cannot add or update a child row: a foreign key constraint fails 于是去搜索了一下 "#1452 - Cannot add or update a child row: a foreign key constraint fails" 的含义与解决方法,根据这篇博文去排查了报错原因,排除了可能1和可能2,然后去研究可能3的具体含义,一开始并…
