copy-constructor

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Default copy constructor & its problems [duplicate]

This question already has answers here: Closed 11 years ago. 开发者_Go百科 Possible Duplicate: What is The Rule of Three?[详细]

2023-03-22 11:11 分类：问答
Duplicate a QWidget

I need to be able to copy a Qwidget so I can duplicate a window because it will change during runtime. is this possible?[详细]

2023-03-22 09:36 分类：问答
polymorphism with =operator using pointer base class

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.[详细]

2023-03-22 07:37 分类：问答
C++ Assignment Operator without Copy Constructor

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?[详细]

2023-03-22 06:10 分类：问答
Copy constructor between derived classes

How do you copy a derived class to another? I\'m terminologically deficient, so I\'ll try to illustrate with an example.[详细]

2023-03-21 22:52 分类：问答
C++: vector memory corruption when modifiying an object member from outside the copy constructor but not when modifying from within

#include <iostream> #include <vector> #include <cassert> class a_class { public: int num_IN;[详细]

2023-03-20 13:13 分类：问答
copy constructor in object declaration and return from function

can\'t we simply overload \"=\" operator to instead of using copy constructor in object declaration andreturn from function ie in[详细]

2023-03-18 18:46 分类：问答
Boost MultiArray Copy Constructor

I have got a problem understanding the copy constructor implemen开发者_高级运维tation of boost::multi_:array.[详细]

2023-03-17 04:29 分类：问答
C++ conversion operators

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[详细]

2023-03-16 19:02 分类：问答
Opening stream via function

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[详细]

2023-03-16 12:04 分类：问答