To be a better coder
发布时间：2020-04-09 16:48:59
https://www.cnblogs.com/wxishang1991/p/5322507.html=========================================================仅以一个arm-linux-gcc讲解交叉编译工具安装配置，许多用户安装后编译或者查看gcc时出现: not found，出现这种情况是环境配置有问题。当然网上也有许多配置说明，但许多都只能在root用户下使用，切换.........【阅读全文】
发布时间：2020-04-07 11:30:43
Apr 7 10:49:47 localhost vm: VmId=f9daa631-b550-407b-8512-a30dcfc62814,Action=6,Action ErrApr 7 10:49:47 localhost vm: [Libvirt]:Requested operation is not valid: cannot delete inactive domain with 1 snapshotshttps://blog.51cto.com/3646344/2096347......【阅读全文】
发布时间：2020-04-03 14:47:53
https://www.cnblogs.com/yiwd/p/5534232.html1.查看所有数据库容量大小select table_schema as '数据库', sum(table_rows) as '记录数', sum(truncate(data_length/1024/1024, 2)) as '数据容量(MB)', sum(truncate(index_length/1024/1024, 2)) as '索引容量(MB)' from information_schema.tables group by table_sche.........【阅读全文】
