operators

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What does =+ (equals-plus) mean in C?

I came across =+ as opposed to the standard += today in some C code; I\'m not qu开发者_开发技巧ite sure what\'s going on here. I also couldn\'t find it in the documentation.In ancient versions of C, =[详细]

2023-04-07 20:50 分类：问答
Which operators and functions expect their string arguments as octets?

Does somew开发者_开发问答here exist a list with all Perl operators and functions which expect their string arguments as octets?[详细]

2023-04-07 09:14 分类：问答
c++ generalized operator templating

I\'m doing some numerical simulations where it is nice to overload operations on vectors (similar to valarrays). For example, I can write[详细]

2023-04-07 07:53 分类：问答
What is the correct term for ->,->* and .* operators?

Wikipedia refers to them as: -> Member b of object pointed to by a ->* Member po开发者_开发知识库inted to by b of object pointed to by a[详细]

2023-04-07 04:28 分类：问答
JS double exclamation -- is there any good reason to use it?

I\'ve been debating this topic with a co-worker for about a week. I\'m very much a fan of shorthand code, using ternaries, etc., wherever I can. Lately, he\'s been picking on me about my use of double[详细]

2023-04-06 03:48 分类：问答
When to use conversion operators?

Considering the following example, the line int a = objT + 5; gives ambiguous conversion which is handled in two ways, using the explicit cast which i think shouldn\'t be necessary and replacing the u[详细]

2023-04-05 23:03 分类：问答
Does the 'bang' operator (!) in VB6 mean anything if it is merely on the end of a variable/number? If so, what does it mean?

I am working on some VB6 code at work and frequently come acr开发者_开发技巧oss variables, and sometimes numerical values ending with \'!\'. For example (note the \'!\' at the end of myVar! and the se[详细]

2023-04-05 03:36 分类：问答
ostream& operator<< segfaults without flush()

I have a custom class for which I\'ve defined a custom cast operator char(), call it A. Now, say I want an array of this class but with added functionality so I define a new class B to achieve this wi[详细]

2023-04-05 03:36 分类：问答
Using C++ ifstream extraction operator>> to read formatted data from a file

As my learning, I am trying to use c++ ifstream and its operator>> to read data from a text file using code below. The text file outdummy.txt has following contents:[详细]

2023-04-05 03:13 分类：问答
What is happening in scanf() when using the & operator?

I am new to C programming, and have a question about the following couple lines of code. This takes place within the context of a creating a linked list of struct film:[详细]

2023-04-04 13:52 分类：问答