c++-faq

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What is the copy-and-swap idiom?

What is the copy-and-swap idiom and when should it be used? What problems does it solve? Does it change for C++11?[详细]

2023-01-07 16:31 分类：问答
Do the parentheses after the type name make a difference with new?

If \'Test\' is an ordinary class, is there any difference between: Test* test = n开发者_如何学运维ew Test;[详细]

2023-01-04 23:34 分类：问答
What is move semantics?

I just finished listening to the Software Engineering radio podcast interview with Scott Meyers regarding C++0x. Most of the new features made sense to me, and I am actually excited about C++0x now, w[详细]

2023-01-04 08:35 分类：问答
What's the difference between the terms "source file" and "translation unit"?

What\'s the difference b开发者_如何学运维etween source file and translation unit?From the C++ Standard:[详细]

2022-12-29 11:14 分类：问答
What is the point of function pointers?

I have开发者_如何学Python trouble seeing the utility of function pointers. I guess it may be useful in some cases (they exist, after all), but I can\'t think of a case where it\'s better or unavoidabl[详细]

2022-12-25 18:17 分类：问答
Why is volatile not considered useful in multithreaded C or C++ programming?

As demonstrated in this answer I recently posted, I seem to be confused about the utility (or lack thereof) of volatile in multi-threaded programming contexts.[详细]

2022-12-24 15:58 分类：问答
Can a class member function template be virtual?

I have heard that C++ class member function templates can\'t be virtual.Is this true? If th开发者_Go百科ey can be virtual, what is an example of a scenario in which one would use such a function?Tem[详细]

2022-12-22 00:11 分类：问答
Initializing members with members

This is a problem I come across often. The following examples illustrates it: struct A { int m_SomeNumber;[详细]

2022-12-19 17:25 分类：问答
What C++ idioms should C++ programmers use? [closed]

As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references,or expertise, but this question will likely solicit debate, a[详细]

2022-12-12 01:33 分类：问答
Copy constructor and = operator overload in C++: is a common function possible?

Since a copy constructor MyClass(const MyClass&); and an = operator overload MyClass& operator 开发者_如何学编程= (const MyClass&);[详细]

2022-12-11 05:27 分类：问答