I was writing slot function for a button called “pushButton” that I realised the name of the button should actually be “pushButton_AreYouCompany” so I deleted than function and renamed the button and wrote another slot.
Now I get error in this function which is written by Qt

I made a simple console app which accepts a user’s name and prints it.

I’m working on a Qt application where I have an overlay window that needs to maintain a square aspect ratio regardless of how it is resized. My app has two windows open at the same time and both are top-level windows. I want the overlay window which is a QFrame to stay as a square when resized from corner.

Is it possible to transform an image of an arbitrary quadrilateral into a rectangle of a given size using QTransform?

I use Qt open source, in a Visual Studio project.
Whenever I try to initialize a QChart the exception gets thrown. It only happens for QCharts and not for any other Qt object that I initialize in the same block. Piece of code that has the same problem:

I’ve made basic snake game on c++ with qt. I want to adjust the speed of snake by pressing buttons. But when I do this, the snake starts to move uneven, seems like it skipping frames. Initially it works fine with any speed initialised in ‘delay’ variable.

I have a task.

I am on windows 10 and I am trying to install Qt in my desktop but the error in the image appears when the install reaches 2%. Download error

All the answers available for this problem are solutions for Visual studio. I am facing this problem in QT. I run a sample example but this error pops up.Could somebody help.

How can one get Ctrl+Left mouse click event in Qt widget. I am able to get key event from QObject::keyPressEvent() and mouse click from QObject::mousePressEvent(). But I need to capture both in the same function. Can someone give some pointer to right direction. Thanks.