Top "Pass-by-const-reference" questions

const-ref when sending signals in Qt

This is a thing that I never quite got with const-ref and I really hope that someone could explain it …

c++ qt signals-slots const-reference pass-by-const-reference
What's the "correct" way to pass an empty vector to an object?

I am working on a fairly large C++ project which unfortunately doesn't really use C++ to its full potential. Large …

c++ stl stdvector assignment-operator pass-by-const-reference
Why is it allowed to pass R-Values by const reference but not by normal reference?

as the title says why is it allowed to pass R-Values(literals) by constant reference but not normal reference void …

c++ parameters literals pass-by-const-reference
Ampersand & with const in constructor

Can some body tell me the reason why we usually put const and & with some object which is passed …

c++ pass-by-const-reference