mysql相关
A schema is a named collection of database objects, including tables, views, stored procedures, functions, and depending on the implementation, many others such as indexes and sequences. Many SQL …
linux相关
杀进程:kill -9 pid … 安装openbsd-netcat,gnu-netcat有bug … 编辑/etc/pacman.conf文件,添加一行: … 当你升级被忽略的软件(组)时,会收到提示: … 参考:Ignore A Package From Being Upgraded In Arch Linux … 如遇源错 …
在mongodb中查找
在集合inventory中插入以下文档: … 查找size匹配{ h: 14, w: 21, uom: “cm” }的文档: … 或: … 查询size字段中嵌套字段uom等于"in"的所有文档: … 在MongoDB中,您还可以使用正则表达式对象(即/pattern/)来指定正则表达式:
test
You can combine them Any word wrapped with two tildes (like this) will appear crossed out. … … ✨ … 2/5, 1/2, 3/4 … As Kanye West said: … This is a footnote.1 …
若有线网卡名称不为 eth0,查看网卡名称: … 关闭 dhcp 自动刷新: … 浏览器访问 192.168.1.1,选择 .bin 文件上传,点击“恢复”等待刷机完成。 … 浏览器的路由器管理页面,菜单栏能看到增加的插件 === 命令及设置补充: #设置拨号连接: … 按提示输入用户名、密码、网卡名等等…… … ##pppoe …
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