请教报"non-st..目前报:error: Invalid use of 'this' outside of a non-static member function这个是子涵数,猜是因为没引用于ui那边,
-Wc++98-compat use of non-static data member %0 in an unevaluated context is incompatible with C++98 -Wc++98-compat friend function %0 would be implicitly redefined in C++98 -Wc++98-compat %select{class template|class template partial|variable template|variable template partial|function template...
Qt error: reference to non-static member function must be called 对应报错函数应设置为静态类成员(如static void… \ static int…) Qt error: invalid use of member in static member function static型函数只能访问static型变量 以上两问题的解释[C++编译报错:invalid use of non-static member function - ...
存在交叉编译的情况时，cgo 工具是不可用的。在标准 go 命令的上下文环境中，交叉编译意味着程序构建环境...
Another approach is to set the size of the string using resize() and to initialize the data character per character. QString uses 0-based indexes, just like C++ arrays. To access the character at a particular index position, you can use operator[](). On non-const strings, operator[]()...
The first is because OSMC doesn't use logind, so the uaccess tag doesn't do anything. The second is that setting the mode to 0660 doesn't do anything because hidraw devices are in the root group which obviously your user is not a member of. I wrote a set of udev rules that will...
/opt/qt6.6-static/include/QtNetwork/qtcpserver.h:19:7: note: forward declaration of ‘class QTcpSocket’ 19 | class QTcpSocket; | ^~~~ /app/qBittorrent/src/base/http/server.cpp:123:22: error: invalid use of incomplete type ‘class QTcpSocket’ 123 | if...
QImage also provides the static fromData() function, constructing a QImage from the given data. When loading an image, the file name can either refer to an actual file on disk or to one of the application's embedded resources. See The Qt Resource System overview for details on how to ...
Note that this function only does a static check ofprogram; e.g. it does not check whether references to variables are valid, and so on. A typical usage of canEvaluate() is to implement an interactive interpreter forQtScript. The user is repeatedly queried for individual lines of code; th...
It is possible for a QRegularExpression object to be invalid because of syntax errors in the pattern string. The isValid() function will return true if the regular expression is valid, or false otherwise: QRegularExpression invalidRe("(unmatched|parenthesis"); bool isValid = invalidRe.isValid...