C++ Archives - IT Nursery

How do you reverse a string in place in C or C++?

How do you reverse a string in C or C++ without requiring a separate buffer to hold the reversed string? 20 Answers 20

Does a const reference class member prolong the life of a temporary?

Why does this: #include <string> #include <iostream> using namespace std; class Sandbox { public: Sandbox(const string& n) : member(n) {} const string& member; … Read more

OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection

by IT Nursery

I successfully implemented the OpenCV square-detection example in my test application, but now need to filter the output, because it’s quite messy – … Read more

Is the order of iterating through std::map known (and guaranteed by the standard)?

by IT Nursery

What I mean is – we know that the std::map‘s elements are sorted according to the keys. So, let’s say the keys are … Read more

fork() branches more than expected?

by IT Nursery

Consider the following piece of code: #include <stdio.h> #include <sys/types.h> #include <unistd.h> int main(void) { int i; for(i = 0; i < 2; … Read more