Consider this piece of code: struct Base { int x; }; struct Bar : Base { int y; }; struct Foo : Base { int z; }; Bar* bar = new Bar; Foo* foo =
As far as I understand int* p = new int(); Is something like creating an int with a constructor. If so why does the following code work like an array? int* p =
I have the following C++ code in a file called helloworld.cpp: #include<iostream> int main() { std::cout << "Hello, World!\n"; } I would like
The Ubuntu SNMP client worked correctly with SHA authentication, but failed with MD5. Error: Authentication failure (incorrect password, community or key) snmpd
I want a C++ preprocessor macro that creates a new identifier with the line number as part of it. This is for using the identifier as a throwa
Here is my Matrix Multiplication C++ OpenMP code that I have written. I am trying to use OpenMP to optimize the program. The sequential code speed was 7 seconds
I've been working on implementing a car in my game using bullet physics. The physics of the car uses btRaycastVehicle and the code is mostly based on the ForkLi
I am wanting to use C++ to extract the contents of a .txt file (that will be pointed to from the terminal) that is to be parsed, but I am not sure how to go abo
I am writing a sample C++ project that uses Bazel to serve as an example idiom for other collaborators to follow. Here is the repository: https://github.com/th
I need to normalize the histogram of an image f which mean to applicated an transformation of histogram from image in order to extend the range of value of f to
I noticed that all the mathematical constants are declared as double, which leads to conversion problems on some platforms where no double precision units exist
The problem I'm trying to build a project in Visual Studio 2015 on Win10 that makes use of libssh, but I'm having no luck getting it to work. I feel like I'm l
When Address Sanitizer is enabled, the Open Dialog Box cannot be shown. It hangs forever. Thank you. It hangs when running hr = pFileOpen->Show(N
A couple months ago, the font I was using in the NetBeans IDE suddenly had huge spaces between each letter, making it almost unreadable. (I was using the Papyru
The CUDA runtime API allows us to launch kernels using the variable-number-of-arguments triple-chevron syntax: my_kernel<<<grid_dims, block_dims, shar
I'm using g++. Code: std::string str = "{\"action\":3,\"data\":{\"account\":\"somehashgoeshear\",\"someint\":0,\"id\":1,\"moreint\":0,\"name\":\"demo\
I'm attempting to benchmark the memory bandwidth on a ccNUMA system with 2x Intel(R) Xeon(R) Platinum 8168: 24 cores @ 2.70 GHz, L1 cache 32 kB, L2 cache 1 MB a
i'm trying to learn about function that returning a pointer to a function, after i tried to compile the code, it gives me this kind of error: cannot convert
While implementing a compressed_tuple class for some project I'm working on, I ran into the following issue: I can't seem to pass instances of this type to std:
For a small benchmark of OpenMP on an i7-6700K I wrote the following code: #include <iostream> #include <omp.h> #include <vector> #include <