Imagine you have those coroutines awaitable<void> a() { ... } awaitable<void> b() { co_await a(); } awaitable<void> c() { co_await
I'm using QT to design an app and I can't overload == for a class. Equals works perfectly but == doesn't work and I can't figure out why. Her
I'm running a simple C++ program from HackerRank about pointers and it works fine on the website. However, when I run it on MacOS, I get error: call to 'abs' is
So I need to re-write matrix right-handed division from Matlab to C++: At = (xPow*yPow')/(yPow*yPow'); I mocked some matrices: >> xPow*yPow' ans =
int a; std::cout<<"Enter hour: "; std::cin>>a; std::cout<< a; This is just for question purpose. Is there any trick to output 01 instead of
int a; std::cout<<"Enter hour: "; std::cin>>a; std::cout<< a; This is just for question purpose. Is there any trick to output 01 instead of
I think most people know how to do numerical derivation in computer programming, (as limit --> 0; read: "as the limit approaches zero"). //example code for d
I have created a window class using the win32 api. It creates a window, passing in this as a parameter so that I can create and grab the object instance inside
I'm trying to implement a functionality that can convert an Euler angle into an Quaternion and back "YXZ"-convention using Eigen. Later this should be used to l
I've successfully set up a Mock for injection via fruit using .replace(get*Component).with(getMock*Component) like so: #include <gmock/gmock.h> #include
I want to be able to change page of QStackedWidget with some kind of animation (like fade in/out or others...) after some research I find out maybe its possible
In one of the most respected stackoverflow answer I found an example of std::expected template class usages: What are coroutines in C++20? At the same time I ca
As we can see int has 4 byte in memory, that are 32bits, after applying range formula , we can see range of int -2147483648 to 2147483647. I have calculated the
A longer version of the title question would be: On my machine, sizeof(std::condition_variable) is 72 bytes. What are these 72 bytes used for? Note: The size
I have a structure as follows: struct app_data { int port; int ib_port; unsigned size; int tx_depth; int sockfd; char *servername;
I'd like to write a c++ program(windows console application) to print receipts from a server (via websocket) to a locally connected(via rs-232) receipt printer(
Is an iterator in C++ a pointer? The reason I ask is that it seems like nobody completely understands what an iterator is. It's just a "thing" or a "value" they
Why is HANDLE event object(synchronization object which is created by CreateEvent function) in winapi assumed to be valid in thread function? From multithreadin
What is the default frame size of opencv image streaming frame ? If I set Width and height of frame more than default frame size what happens? import cv2 cam
I am using libusb in my android application. When I am trying to build libusb native library then I get below error message, *.so files generated. Error:Exe