Questions tagged [Qt] (1382)

Faced with a problem when working with the QUrl in Python. In General terms, have such test code:from PyQt4.QtCore import QUrl<br> <br / > print QUrl('http://xn--d1abbgf6aiiy.xn--p1ai/').toString()<br> Under windows it returns the expected result:<a href="http://xn--d1abbgf6aiiy.xn--p1ai/">xn--d1abbg...

You need PHP on the server to transfer application data via SSL, wait for response data and display them on the screen. Wrote this code in PHP:<?php error_reporting(E_ALL); $fp = fsockopen("ssl://localhost", 6000); $send = "hello"; fputs($fp, $send); $html = fread($fp, 1000000); fclose($fp); echo "<pre-->".$htm...

Gathered under Ubuntu 10.10 Qt 4.7.1 and have found that no OpenGL libs. Examples of openGL programs same no. Tell me how to fix it?!

I greet the distinguished members of habrovky! Develop a new project on the new Qt. The task is to implement a three-tier architecture DB. Communication through the socket. Middle and upper links will be written in Qt. The ideal solution would be like in WCF .NET or at least the DCOM. DCOM itself is not suitable, because ne...

Write application on Qt using the system tray. Tray icon by right-clicking shows a menu. The problem is that if you remove the focus, the menu does not disappear. Must-click menu (at least in the separator). Only then when you change the focus, the menu will disappear. Prompt how to solve such problem.

Create a simple console application in Qt Creator: #include <iostream> int main(int argc, char *argv[]) { int n; std::cin >> n; return 0; }</iostream> Put a breakpoint on the line with std::cin. Start debugging by F5. Making sure that the debugger stopped at that line, press F10. After that, nothing ha...

Need to choose a platform for developing business applications. At the moment the development is on the platform 1C: Enterprise 8 is due to the following reasons: High speed of development, because the basic algorithms of the environment are fulfilled by the platform. Designer of printing forms allows you to create various...

Try the link model and view to display data from the database. As the model is QSqlTableModel, views — qtreeview instead. To add a new entry occurs successfully, but the Application Output in Qt Creator I get the message: Unable to free statement: connection pointer is NULL I think this is due to the fact that when you add...

Interested in personal experience, did anyone in your application to handle the event button located on the headset Nokia? Specifically that: On the device type 5228/5800 Nokia, with Symbian^1. As a framework used in Qt SDK 1.1 Beta. Please do not give links to topics with forum.nokia.com — all the existing examples of how ...

There is a server program that runs multiple threads (thousands of them). How can I get from one thread to another without using signals/slots (if thousands of threads simultaneously send a signal to other streams and each other, then I think it will be very slow). One thread can throw a second any information (the first tr...