This question already has answers here: Closed 11 years ago. 开发者_Go百科 Possible Duplicate: What is The Rule of Three?
I need to be able to copy a Qwidget so I can duplicate a window because it will change during runtime. is this possible?
So here is the deal, I think I need to go another route regarding the pattern I am using but I thought I would get some expert opinions first.
The question: Can I define an assignment operator and not the copy constructor? For an internal class (not exposed in the API), is this still a bad design practice?
How do you copy a derived class to another? I\'m terminologically deficient, so I\'ll try to illustrate with an example.
#include <iostream> #include <vector> #include <cassert> class a_class { public: int num_IN;
can\'t we simply overload \"=\" operator to instead of using copy constructor in object declaration andreturn from function ie in
I have got a problem understanding the copy constructor implemen开发者_高级运维tation of boost::multi_:array.
I know the deal .The compiler tries to convert one object into the other objects\'s type with the help of conversion operator .Two ways to do this .Constructor (Converts a class to the other) or conve
I need help with the non-copyable nature of [io](f)streams. I need to provide a hackish wrapper around fstreams in order to handle files with unicode characters in their filenames on Windows. For thi