assignment-operator

相关标签：javascript jquery android 多少钱 iPhone

Is a += b more efficient than a = a + b in C?

I know in some languages the following: a += b is more efficient than: a = a + b because it removes the need 开发者_开发知识库for creating a temporary variable. Is this the case in C? Is it more[详细]

2023-02-12 04:54 分类：问答
Is detaching and reattching events needed when setting a BindingList

I have the following code: private BindingList<Box> _boxesToDisplay; public BindingList<Box> BoxesToDisplay[详细]

2023-02-10 21:58 分类：问答
About Scala's assignments and setter methods

Edit: The bug which prompted this question has now been fixed. In the Scala Reference, I can read (p. 86):[详细]

2023-02-09 18:20 分类：问答
C++: Defined my own assignment operator for my type, now .sort() wont work on vectors of my type?

I have a class (those that have read Accelerated C++ may find this class familiar) defined as follows:[详细]

2023-02-07 01:40 分类：问答
How can the assignment from int to object be possible in C++?

class phone { public: phone(int x) { num = x; } int number(void) { return num; } void number(int x) { num = x; }[详细]

2023-02-06 07:04 分类：问答
C++ why the assignment operator should return a const ref in order to avoid (a=b)=c

I am reading a book about C++ and more precisely about the operator overloading. The example is the following:[详细]

2023-02-05 03:46 分类：问答
Operator precedence of assignment and conditional operators

I\'m reading a book called \"The Ruby Programming Language\" for Ruby 1.8 and 1.9. The book says that if-operator has a lower precedence than an assignment-operator. If this is true then I don\'t unde[详细]

2023-01-31 05:51 分类：问答
c++ assignment operator implementation in templated class

I\'m building my own matrix class to solidify my c++ understanding. It\'s templated, so I can have an int matrix or a float, or boolean matrix. I wasn\'t goi开发者_开发知识库ng to implement a copy con[详细]

2023-01-30 08:19 分类：问答
How to ensure that the assignment operator on a virtual base class is called only once?

I\'m using virtual inheritance as in the typical diamond problem: A (virtual) /\\ (virtual) BC \\/ D I\'m implementing a method named \"deep_copy_from\" in every class (but it could be the assignme[详细]

2023-01-28 21:24 分类：问答
What is The Rule of Three?

What does 开发者_开发知识库copying an object mean? What are the copy constructor and the copy assignment operator?[详细]

2023-01-25 03:09 分类：问答