csm2432的专栏

类定义后面要加";"函数的实现部分,如果定义部分有void,则实现部分不能少;检查include文件有无少;error: request for member `show in `((MainWindow*)this)->MainWindow::rightform, which is of non-class type `RightForm*|"->"与"."问题函数"()"

命令行解析：argc argv 解析例子： tail -l20 -e123 或 tail -l 20 -e123*.h:#define COMMAND_LINE_LENGTH 2048 #ifdef WIN32 #include "windows.h" #define strtok_r( _s, _sep, _lasts ) / ( *(_lasts) = strtok( (_s), (_sep) ) ) #else #endif *.cpp: QString tmp