一、添加插件Enigmail!(http://static.oschina.net/uploads/space/2014/0309/105947_aTHg_921036.png)二、进行密钥管理，并创建新密钥对!(http://static.oschina.net/uploads/space/2014/0309/110

!logo(https://imgblog.csdnimg.cn/20191218195102273.png)重要链接：「系列文章目录」(https://www.oschina.net/action/GoToLink?urlhttps%3A%2F%2Flearner.blog.csdn.net%2Farti

!(https://oscimg.oschina.net/oscnet/77684be3437d04b37952adb40064ffbec86.png) HOSTisnotallowedtoconnecttothismysqlserverhost主机不能访问本机的mysql服务，原因需要连接非本机的mysql的时候，默认host

原文出处：https://bohutang.me/2020/09/18/clickhouseandfriendscomputestorage/!(https://oscimg.oschina.net/oscnet/49b14cfc82914b40a7487b1a6337f85b.png)最后更新:20200918如果多个

!运行:ipconfig(http://static.oschina.net/uploads/img/201406/06143054_WauU.png"QT中调用外部程序：QProcess的使用lucienlucien_cc的博客")!运行:pingwww.baidu.com(http://static.oschina.net/

!SmartCode(https://gitee.com/AhooWang/SmartCode/raw/master/doc/Logo.png"SmartCode")(https://www.oschina.net/action/GoToLink?urlhttps%3A%2F%2Fgithub.com%2FAhooWang%2FSmartCod

效果如下：!(http://static.oschina.net/uploads/space/2016/0218/170430_QStH_159896.png)理解：Xfermode的16总模式如图!(http://static.oschina.net/uploads/space/2016/0218/170632_Jmbz_15989

!(https://oscimg.oschina.net/oscnet/44fdf01cd2e73dc5aa35a55874419856565.png)1//New_MFC_TCP_SreverDlg.h:头文件2//3defineWM_SOCKETWM_USER1004pragm

!269个JavaScript工具函数，助你提升工作效率.png(https://static.oschina.net/uploads/img/202009/11172435_PapW.jpg)211.判断是否为数字/@description判断是否为数字@paramvalue@retur

1创建实体类Person!(https://static.oschina.net/uploads/space/2017/1220/095547_B682_2313055.png)2创建工厂接口PersonFactory!(https://static.oschina.net/uploads/space/2017/1220/095711