C++11 mandates that static variables inside a function are atomically initialized for the first run of the function. The only way to do that efficiently is doub
I writing application using c++ and Qt. I have a problem with building application. I get many error but everything refers to static variable and undefined func
Long story short, I have a pointer to a value that is stored inverted, so when we are calculating a hash to verify data integrety, we need to invert the data th
I just wanted to make a little program to sort blocks using selection sort, but it doesn't sort itself. Blocks just keep switching places in some pattern, until
I am trying to replace libtiff into WIC (since libtiff is not able to pass Black Duck Analysis tool anymore) I have used their example https://docs.microsoft.co
I'm trying to combine two sinks: auto console_sink = std::make_shared<spdlog::sinks::stdout_color_sink_mt>(); console_sink->set_level(spdlog::l
classObject and vector within it. I made a vector of classObject and function that searches classObject with a given int id. Wanted to search certain classObjec
I have this error when I try to open some students' assignments in Visual Studio 2019, stating that nuget can't restore a package. I'm concerned about the direc
I'm trying to get the value of a template class. To get the value of a class, I can easily do like: int get_value() { return *this; } But I want to create
In a program that uses DirectX to render a 3D component I use a dedicated rendering thread that apparently gets created if I call DispatcherQueueController::Cre
I want to learn to create DLLs in c++ and use them in python to increase the speed of calculations. To begin with, I tried to create a simple C++ dll and load
For some reason in C++, the expressions if(!(n & 1)) and if(n & 1 == 0) seem to not be equivalent. Can someone please explain why this happens?
If there is a difference between two constructs I would like to know std::string name = std::string("Eugene"); and std::string name = "Eugene";
As was said in the title, bitshifting a uint64_t type gives wrong results. I have absolutely no idea why this is the case. It seems like on the edges of the shi
Recently I've seen an example like the following: #include <iostream> class Foo { public: int bar; Foo(int num): bar(num) {}; }; int main(void) {
I'm working on a code where I can bind events and callbacks to react to those events, the interface looks like this: void on_close(); struct S { void the_a
Iam making terminal game but iam struggling with the render part, i want to set symbol on specific pos with rgb color. so first question is how to set symbol in
I have read that converting a function pointer to a data pointer and vice versa works on most platforms but is not guaranteed to work. Why is this the case? Sho
Here's a little puzzle I couldn't find a good answer for: Given a struct with bitfields, such as struct A { unsigned foo:13; unsigned bar:19; }; Is the
I have my MainWindow with a GraphicsView on which I want to draw a QRubberBand using MouseEvents. Therefore I created a custom GraphicsView class where I have t