Q_OBJECT:这是一个宏,凡是定义信号槽的类都必须声明这个宏. 函数tr()全名是QObject::tr(),被他处理过的字符串可以使用工具提取出来翻译成其他语言,也就是做国际化使用. 对于QT学习之路:Qt学习之路(7):创建一个对话框(上)这个程序.编译出现 invalid use of incomplete type ‘class QPushButton’ findButton->setEnabled(!text.isEmpty()); ^ In file included :, ,…
Custom Components In this document The Basic Approach Fully Customized Components Compound Controls Modifying an Existing View Type Android offers a sophisticated and powerful componentized model for building your UI, based on the fundamental layout…
最近再搞ELK,三个工具部署完毕,想再继承上log4net.没想到.net core版Log4net竟然没有直接Tcp发送消息的appender.醉了.log4net 1.RemotingAppender:core已经不支持. 2.RemoteSysLogAppender:只监听 udp的514端口.[原文:The BSD syslog protocol is used to remotely log to a syslog daemon. The syslogd listens for for…