Top "Qt" questions

Qt is a cross-platform application development framework widely used for the development of application software that can be run on various software and hardware platforms with little or no change in the underlying codebase, while having the power and speed of native applications.

How to check whether file exists in Qt in c++

How do I check whether a file exists in a given path or not in Qt? My current code is …

c++ qt file-exists
QT Repaint/Redraw/Update/Do Something

I'm New to QT. I understand that you can force a display refresh, but I've pulled all my hair out …

c++ qt refresh
How to configure CDB in Qt Creator?

The question here is the same as mine but the solution there is not working for me. I am using …

c++ c qt qt-creator
How to Compare two Qstrings?

I have to compare two Qstrings in qt, say, Qstring str1="1005",str2="1006"; I have tried using , if(str1==str2){ return …

c++ qt string-comparison qstring
Iterating over a QMap with for

I've a QMap object and I am trying to write its content to a file. QMap<QString, QString> …

c++ qt c++11 qmap
Unresolved external symbol "public: virtual struct QMetaObject const * __thiscall Parent

I inherited a class from QObject : class Parent: public QObject { Q_OBJECT QObject* cl; public: Parent(QObject *parent=0):QObject(parent) { …

c++ qt qobject
How to build a full path string (safely) from separate strings?

Does C++ have any equivalent to python's function os.path.join? Basically, I'm looking for something that combines two (or …

c++ qt filepath
Convert std::string to QString

I've got an std::string content that I know contains UTF-8 data. I want to convert it to a QString. …

c++ string qt utf-8 qstring
PyQt5 and QtGui module not found

Is there some reason that QtGui is packaged with PyQt5??? I am using Mark Summerfield's Rapid GUI programming book. Obviously …

qt python-3.x pyqt qtgui pyqt5
PyQt5: How to install/run Qt Designer

Feeling really stupid, right now, but the title says it all: How do you start the QtDesigner? I've installed PyQt5 …

python qt pyqt5 qt-designer