The code snippet below always close the connection at once when a client has connected to the server, which is really out of my expection. #include <iostream> #include <memory> #include <system_error> #include "tcp_server.hpp" TcpServer::TcpServer(asio::io_context& io_context, const unsigned int& port):m_acceptor(io_context, tcp::endpoint(tcp::v4(),…
I have recently started using a machine with Ubuntu 22.04 and I find that my existing (windows) .cpp files are no longer compiling with sourceCpp. The issue is that I require a compilation with at least C++14, and in fact…
I've been trying to use std::binary_search and std::lower_bound on std::array<unique_ptr<int>> just to get to grips with it. I was having trouble with the following : #include <array> #include <memory> #include <algorithm> int main() { std::array<std::unique_ptr<int>, 3> a = {std::make_unique<int>(1), std::make_unique<int>(2),…
My goal is to make a calculator in c++. I'm using Visual Studio Code. The calculator will include calculation order (First parantheses, then * and /, then + and -). In the terminal you write an equation, for example: 3…
I want to xor large shifted arrays, following is portable version of that function for easy of explanation. How I can improve this computation? I have tried using AVX2 but didnt see much improvement. Currently for the DB showing in…
I would appreciate, if you could help me troubleshoot the following situation. I broadcast (on localhost) a char array in 2 consecutive steps: MPI_Bcast the size of the array MPI_Bcast the array itself This is done via dynamic process spawning.…
I know this question been answered like a million time, and I have followed with each suggestion to no avail. I am trying to set up Eigen in my c++ code using VS code while running commands on Ubuntu 20.04…
I wanted to perform hashing of a stream of input messages in multithreading, so was trying to implement std::vector<std::future<HashData>> futures; but the program aborts from abort.h when debugging in Visual Studio 2019. Code Snippet: std::vector<std::future<HashData>> futures; std::vector<std::string> messages; for (int…
From Is std::unique_ptr required to know the full definition of T?, I know that if a class A has a member unique_ptr<T>, then T shall be a complete type in destructor ~A(). However, I came across a situation that the…
I want to split jobs among multiple std::thread workers and continue once they are all done. To do so, I implemented a thread pool class mainly based on this SO answer. I noticed, however, that my benchmarks can get stuck,…