To create a time point for the current time, you can use: std::chrono::system_clock::now(). I cannot figure out, however, how to create a time point given milli
I have read from a codeforces blog that if we add #include <bits/stdc++.h> in a C++ program then there is no need to include any other h
My question actually has two variants, but for some context, I have a C++ *.DLL that I use with Unity using P/Invoke. It's built on Windows 10 with MSBuild (pla
I am writing a library in C++. The library has multiple headers and cpp files and needs to be cross platform (Windows Visual Studio and Linux gcc). When built t
In below C++ program I'm deleting a previous character considering '#' as a backspace character. I have used stack to build the string. Is there any C++ STL alg
Let suppose the following example: int main() { int value=1; switch( value ) { case 1: { return 0;
My gcc version is 4.8.3 20140624. I can use is_pod, is_trivial, is_standard_layout, but fail when trying is_trivially_copyable, is_constructible and is_default_
I'm trying to move the perspective view, so I can see that the sun, earth, and moon is moving around on a screen. I'm keep searching and trying to fix this but
I came across code like the below, which is basically an example of a singleton class in which we make the class constructor private and provide one static publ
I am having a dll and which I am opening into the dependency walker with platform visual studio 2003 and OS is 2000. and my that dll find all dependency. But w
I used function overload to check if an input number is integer or float. However I get this following error: error: call of overloaded 'retNr(double)' is ambig
I am experimenting with modules in clang, and would like to include the standard lib as modules instead of as includes. Currently I do this #include <iostrea
I use Ubuntu 18.04 and opencv3.4.0(with 3.3.1contrib), when i try to compile my project, these errors occured: /home/sunyq/SiamMaskCpp/demo.cpp:98:24: error: &l
The following C++20 program: #include <utility> #include <cstddef> template<typename... Args> class C { template<size_t... I> s
I'm implementing a state machine as the following diagram state machine diagram I trigger "event1" and "event2" to the state machine, when "event1" triggered,
I'm trying to compile GTK 3.24.33 from source. At some point in the build process I got the following error Cannot load module /home/felix/apps/src/libraries/gt
I need to encode a 24 bit integer into the end of 32 bit int. (the first byte contains other data, the other three are empty for use by the 24 bit int) I alr
This happens even on a freshly created, empty project. The Run (and also Debug) buttons are disabled for the Qt5 configuration (they're enabled for the Qt4 con
I am trying to learn std::function and here's my code: #include <iostream> #include <functional> struct Foo { void print_add(int i){ st
Here is a sample socket programming snippet from the client side. My question revolves around the type-casting that casted sockaddr_in into sockaddr. My questio
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