I'm using opencv 3.1.0, tried to read an image by imread, just like Mat image = cv::imread("1.jpg"); but it stunked without any error message (performs like in
I have a base class and 3 separate derived classes. All of the .hpp files are structured the same. The .hpp which doesn't work: #ifndef CAESARCIPHER_HPP #define
So, was trying to compile Bitcoin Core from source. I configured and downloaded all the dependencies I needed. But when compiling, Boost library for C++ gives w
I'm developing a software using C++ for Windows/Linux. I want to create a file (txt, json, license, you name it) at runtime, and save it somewhere. Is it possib
Explicit template instantiation is very useful when creating libraries. Suppose I have a template with an int paramater: template <int i> struct S { ... }
I have this code: #pragma acc kernels #pragma acc loop seq for(i=0; i<bands; i++) { mean=0; #pragma acc loop seq for(j=0; j<N; j++) m
Indicate in cppreference that the expression representing the subscript must be a prvalue of unscoped enumeration or integral type. So why can a for loop that
So,I'm trying to build a small app that watches my MQTT server for messages and presents a widget with the MQTT JSON content for every message it sees. The logi
So try to write a program that allows the user to range the number of rows in the program. I was unable to figure out how I was able to do so using a char array
May I ask if we are allowed to explicitly call base class constructor in derived class? (if not, why?) I'm asking this question because I wrote the following to
I'm trying to create a python library, written in c++, using boost-python, and mingw to compile. c++ Code: char const* greet() { return "hello, world"; } #i
I have a c++ class with several constructors: MyClass(const std::string& configfilename); MyClass(const MyClass& other); I have python bindings for thi
I have a reference to my object of type MyType, but I need to call a function, say myFunction that takes a std::unique_ptr<MyType>. What is the correct wa
code : https://gist.github.com/Naseefabu/173c928603e564879683ccdf10d9d0f8 When i run this and print the response to the console: Sending GET /api/v3/time HTTP/1
Is there any STL/Boost function in C++ that allows me to find the indices of all unique elements in a vector? I have seen many solutons to find unique elements,
I am working on a simple raytracer in c++. I am currently implementing an intersection function but have encountered some issues. For some reason, the collision
The Human class turned out to be non-copied, since it contains a field of type unique_ptr, for which the copy constructor and the copying assignment operator ha
I have implemented Tarjan's algorithm to find strongly connected component in a graph and getting Segmentation fault for some large input. #include <iostream
This is my project : https://github.com/Naseefabu/HFTBOT/blob/master/src/main.cpp When i try to build it, Error : https://gist.github.com/Naseefabu/5a114956f39b
I wonder if there is any advantage putting join() not immediately after launching a thread? std::thread t(func); // some code ... t.join(); does it give you