temporary

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Should I bring temporary variable declarations out of loops in C and C++?

Here is what I mean, suppose I have code like: for (int i = 0; i < 1000; i++) { char* ptr = something;[详细]

2023-01-09 10:14 分类：问答
Why do I need std::get_temporary_buffer?

For what purpose I should use std::get_temporary_buffer? Standard says the following: Obtains a pointer to storage sufficient to store up to n adjacent T objects.[详细]

2023-01-07 09:21 分类：问答
Question about using string::swap() with temporaries

The following segment demonstrates my issue: (compilation error on GCC) stringstream ss; string s; ss << \"Hello\";[详细]

2023-01-06 17:50 分类：问答
Do rvalue references allow implicit conversions?

Is the following code le开发者_如何学JAVAgal? std::string&& x = \"hello world\"; g++ 4.5.0 compiles this code without any problems.This is discussed on usenet currently. See Rvalue referenc[详细]

2023-01-04 16:33 分类：问答
Unable to generate temporary class in Windows 2008 R2 64 bit for C# app

I have no clue whats going on here. My c# (VS2008) app runs fine in 32 bit OS but when i run the same in Windows 2008 R2 64bit i am getting following error:[详细]

2023-01-02 23:47 分类：问答
Pass temporary object to function that takes pointer

I tried following code : #include<iostream> #include<string> using namespace std; string f1(st开发者_运维知识库ring s)[详细]

2023-01-02 06:28 分类：问答
Destruction of string temporaries in thrown exceptions

Consider the following code: std::string my_error_string = \"Some error message\"; // ... throw std::runtime_error(std::string(\"Error: \") + my_error_string);[详细]

2022-12-22 17:03 分类：问答
Question about exact time of destruction of temporaries in C++

is the following code safe (it works in DEBUG) : void takesPointer(const开发者_运维知识库 Type* v);//this function does read from v, it doesn\'t alter v in any way[详细]

2022-12-21 18:22 分类：问答
What's a good way of *temporarily* sorting a vector?

I\'ve got a std::vector which I need to sort by selected algorithms for certain operations, but to maintain its original state (e.g. items ordered by when they were entered) the rest 开发者_JS百科of t[详细]

2022-12-20 18:34 分类：问答
Temporarily route all traffic (new site) to other domain? Best practice?

For a client I need to temporarily route their traffic to my own subdomain. Their host (a shared host) needs to be r开发者_如何学Goeconfigured for the site to work, but the client wants their site onl[详细]

2022-12-17 08:36 分类：问答