95 .cpp is the recommended extension for C++ as far as I know. Some people even recommend using .hpp for C++ headers, just to differentiate from C. Although the compiler doesn't care …

Nov 24, 2017 · This is called the three-way comparison operator. According to the P0515 paper proposal: There’s a new three-way comparison operator, <=>. The expression a <=> b returns …

I'm looking for detailed information regarding the size of basic C++ types. I know that it depends on the architecture (16 bits, 32 bits, 64 bits) and the compiler. But are there any standards for ...

When you add the const keyword to a method the this pointer will essentially become a pointer to const object, and you cannot therefore change any member data. (Unless you use mutable, …

Consider Matt Price's solution. In C++, a "static class" has no meaning. The nearest thing is a class with only static methods and members. Using static methods will only limit you. What …

I have been seeing code like this usually in the start of header files: #ifndef HEADERFILE_H #define HEADERFILE_H And at the end of the file is #endif What is the purpose of this?

I know this question has been asked years ago but still wanted to share how I usually compile multiple c++ files. Let's say you have 5 cpp files, all you have to do is use the * instead of …

Feb 26, 2010 · I have a variable of type std::string. I want to check if it contains a certain std::string. How would I do that? Is there a function that returns true if the string is found, and …

itoa will be faster than the stream equivalent. There are also ways of re-using the string buffer with the itoa method (avoiding heap allocations if you are frequently generating strings. e.g. for …

This is similar to how one would write a prototype for functions in a header file and then define the functions in a .cpp file. A function prototype is a function without a body and lets the compiler …