2020-02-16 标签:event,target,区别,介绍,identifies,current,traverses,dom,always,refers,element,handler,attached,opposed,occurred,指向,事件,绑定

event.currentTarget identifies the current target for the event, as the event traverses the DOM. It always refers to the element the event handler has

2020-02-16 标签:centos,rsync,同步,台服,文件,always,use,sshsince,does,n,ot,provide,security,data,recommended

Always use rsync over sshSince rsync does not provide any security while transferring data it is recommended that you use rsync over ssh . This allows

2020-02-16 标签:db,自动,递增,字段,实现,方法,使用,一般,是用,识别码,定义,表格,主键,generated,语法,则可,自定义,你想

使用这个一般是用作识别码的，当做定义表格的主键。generated语法则可以自定义你想怎么产生这个值的策略。 语法如下： column definition generated {always | by default} as {identity identity rules | using you