Questions tagged [C++] (5597)

How to make a countdown was displayed in the label,that's what I did but I have displays the current time QTextStream in(&file); QTime start = QTime::currentTime(); while (!in.atEnd()) { QString line = in.readLine(); if (line.contains(v) || line.contains(s) || line.contains(k) || line.contains(m) || line.contains(q)...

What is a non-profit library for Visual Studio is best suited for creating graphics CAD program. Interested in how the issue of rendering 2D graphics (lines, circles, elipse, text, smoothing, selection of significant objects for rendering and so forth), and a comfortable writing user interface of the application itself (mod...

Deal with winsock and UDP. Write on one PC, no LAN. On the client send a broadcast request: sockaddr_in broadcast; // enable broadcasts int enableBroadcast = 1; setsockopt(ClientSocket, SOL_SOCKET, SO_BROADCAST, (char*)&enableBroadcast, sizeof(enableBroadcast)); broadcast.sin_family was = AF_INET; broadcast.sin_port =...

There is a virtual keyboard. You need to open it when the focus is in a text box. The problem is that this should work with any third-party applications. Tools: Qt, C++, Xlib

Prompt, please, good books/tutroial to create their own game engine.

There is a very convenient Liba (Krat), I want to write over it a wrapper simplifying a lot of the routine and give in the form of a dll for writing software in c++. The pros have been uploaded yet class for working with him. Googled - like you, but (honestly) don't want to go and to stumble on a rake for nothing. How diffi...

Trying to remove the class object from vectors, and is displayed in a tip. It has such a record. What does it mean? there are no instances of overloaded function "std::vector<_Ty, _Alloc>::erase [with _Ty=A *, _Alloc=std::allocator]" Explain that because of _Ty_Alloc, c_Ty, _Alloc, allocator.

Wanted to know about how to properly hash the file size exceeds the amount of RAM in the computer?

Is there a difference between: #ifndef HEADER_H #define HEADER_H // code #endif and that #pragma once