cchangcs的博客/home/exbot/tutorial_ws/src/time_d/src/timetest.cpp:26:1: error: ‘cout’ does not name a type cout<< "d2" <<d2 <<endl; ^ 解决方案:将cout语句放入函数体内,就不会出现如上错误了。...
Yixiao Chang的博客java.lang.String is not a valid external type for schema of intsparksession.sql()出现java.lang.RuntimeException: Error while encoding: java.lang.RuntimeException: java.lang.String is not a valid ...
VictaminC的博客QML编程,定义一个组件后,使用它时报错 qrc:/main.qml:18 SButton is not a type 通过QTCreator添加QML File 添加完毕后,工程结构如下: 运行时报错: Starting E:\project\qt\build-ScheduledTask-...