网页图标 支持的图片格式是icon、png 常用的大小：16x16、24x24、32x32 (单位：像素) <head> <!-- 省略协议号为了节省空间，省略后按http协议来访问 当rel="icon"时，type默认为"image/x-icon" --> <link rel="icon" href="//www.jd.com/f...
git config
Git uses a series of configuration files to determine non-default behavior that you may want. The first place Git looks for these values is in the system-wide [path]/etc/gitconfig file, which conta...
git undo
There are three commands with similar names: git reset, git restore and git revert. git-revert(1) is about making a new commit that reverts the changes made by other commits. git...
css basic
CSS 使用CSS的方式 内联样式 样式直接写在标签的style属性中 <div style="color: blue; background-color: red; font-size: 30px;"> This is a div. </div> 文档样式(内嵌样式) style标签包含在head中 <head> <...
windows cmd
shortcuts clear the input line ESC open file explorer from cmd # open current directory in file explorer start . references ss64 Q&A How can I create an em...
zookeeper
ZooKeeper ZooKeeper is a centralized service for maintaining configuration information, naming, providing distributed synchronization, and providing group services. All of these kinds of services ...
webstorm
常用快捷键(Win) surround with： Ctrl + Alt + T 复制黏贴光标所在行：Ctrl + D 删除行：Ctrl + Y
tomcat
Tomcat 下载 Binary Source Code 安装 解压binary包 启动及停止服务 运行bin/startup.bat启动 运行bin/shutdown.bat停止 运行bin/catalina.bat run 启动 运行bin/catalina.bat stop停止 测试 在浏览器访问local...
sql basic
DDL(Data Definition Language) CREATE/ALTER/DROP 数据库、表 创建数据库 CREATE DATABASE example_01; CREATE DATABASE IF NOT EXISTS example_01; CREATE DATABASE IF NOT EXISTS example_01 CHARACTER SET charset_n...
java RMI
RMI（Remote Method Invocation） The Java Remote Method Invocation (RMI) system allows an object running in one Java virtual machine to invoke methods on an object running in another Java virtual mac...