I am a C guy and I'm trying to understand some C++ code. I have the following function declaration:

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 …

Nov 13, 2009 · I want to use the PI constant and trigonometric functions in some C++ program. I get the trigonometric functions with include &lt;math.h&gt;. However, there doesn't seem to be …

The meaning of #ifdef is that the code inside the block will be included in the compilation only if the mentioned preprocessor macro is defined. Similarly, #if means that the block will be …

Jan 30, 2009 · Have to recompile foo.cpp every time we change any other file in the program, in case it added a new novel instantiation of MyClass<T> Require that baz.cpp contains …

Aug 19, 2015 · Is there a preferred way to return multiple values from a C++ function? For example, imagine a function that divides two integers and returns both the quotient and the …

How do I call the parent function from a derived class using C++? For example, I have a class called parent, and a class called child which is derived from parent. Within each class there is …

If your compiler supports C++11 standard, there is a constructor inheritance using using (pun intended). For more see Wikipedia C++11 article. You write:

Sep 24, 2010 · Continue to help good content that is interesting, well-researched, and useful, rise to the top! To gain full voting privileges,

I'm reading "Think in C++" and it just introduced the extern declaration. For example: extern int x; extern float y; I think I understand the meaning (declaration without definition), but I wonde...