The question is clear. I wonder why they even thought this would be handy, as clearly negative indices are unusable in the containers that would be used with the开发者_如何学编程m (see for example QL
I\'m writing a diagram editor in Qt with Graphics View Framework. Currently I\'m just trying to create a simple Node (QGraphicsItem) on GraphScene (QGraphicsScene). I created a Canvas (QGraphicsView)
How can we make package for Qt application. I want to make a package wh开发者_JAVA技巧ich will be like normal software & install like that.
I see Qt has a nifty class name QUrlInfo.It has methods/functions that I\'d like to use but I\'m confused about how to use this class.The initialization seems very strange and awkward.
How would one extend the standard icons provided by the QStyle class with support for Windows and Linux in mind?
I am using Qt Creator 2.0.1 b开发者_JAVA技巧ased on Qt 4.7.0 (32bit). I am new to Qt. I created a mainwindow. How do I go to another window when I press the pushbutton in the main window?I am able to
I am working on a 开发者_JAVA百科project where I have to read a dicom image. I am unable to install dcmtk.I am using win7 64-bit and vs2010.
I\'m trying to use sqlite as database for a symbian app but I can\'t create a table. Here\'s the code:
EDIT: it turns out that the root performance problem was a size-to-fit function attached to the expanded() signal, so I\'m going to accept the first answer and delete this question for being misleadin
I am having an issue trying to validate some input in QT4. I have a form with 2 textEdit fields. When one field loses focus, I want it to check if the field is empty, and if so, alert the user.
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