Dec 28, 2015 · I find it weird C++ doesn't allow bitwise operations on floats, although one can say they don't make much sense, these are still bit sequences, and one can do arithmetic on them.

The & operator does the same thing in C and C++: it takes the address of an object. The & in a function prototype is not an operator. I'll fix the title.

Nov 24, 2017 · The <=> token is introduced. The character sequence <=> tokenizes to <= >, in old source code. For example, X<&Y::operator<=> needs to add a space to retain its meaning. …

Feb 6, 2018 · The std::numerics_limits class in the <limits> header provides information about the characteristics of numeric types. For a floating-point type T, here are the greatest and least …

Jan 21, 2017 · Our code involves a POD (Plain Old Datastructure) struct (it is a basic c++ struct that has other structs and POD variables in it that needs to get initialized in the beginning.) …

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 …

Is there a way to find how many values an array has? Detecting whether or not I've reached the end of an array would also work.

Oct 3, 2012 · I am new to the C++ language. I have been starting to use vectors, and have noticed that in all of the code I see to iterate though a vector via indices, the first parameter of …

const functions can help speed. If the compiler doesn't see the function's implementation (its defined in the cpp file, or calls functions defined in the cpp file), then it doesn't know which …

I found this line of a code in a class which I have to modify: ::Configuration * tmpCo = m_configurationDB;//pointer to current db and I don't know what exactly means the double …