大约有 4,600 项符合查询结果（耗时：0.0464秒） [XML]
Efficient way to return a std::vector in c++
...
In C++11, this is the preferred way:
std::vector<X> f();
That is, return by value.
With C++11, std::vector has move-semantics, which means the local vector declared in your function will be moved on return and in some...
Why is this F# code so slow?
...mation at compile time to do this. This is how it would work if min3 was a C++ template function, so I'm a bit puzzled as to why F# doesn't do this.
– sashang
May 24 '11 at 0:00
42...
LLVM C++ IDE for Windows
Is there some C/C++ IDE for Windows, which is integrated with the LLVM compiler (and Clang C/C++ analyzer), just like modern Xcode do.
...
Returning a C string from a function
...
{
return "My String";
}
Background:
It's so fundamental to C & C++, but little more discussion should be in order.
In C (& C++ for that matter), a string is just an array of bytes terminated with a zero byte - hence the term "string-zero" is used to represent this particular flavour...
How to generate a random number in C++?
...es but for any serious use they are mostly useless.
EDIT2:
When using C or C++ standard library it is important to understand that as of now there is not a single standard function or class producing actually random data definitively (guaranteed by the standard). The only standard tool that approach...
What is object slicing?
...
Interesting. I've been programming in C++ for 15 years and this issue never occurred to me, as I've always passed objects by reference as a matter of efficiency and personal style. Goes to show how good habits can help you.
– Karl Bielefeld...
How do you reverse a string in place in C or C++?
How do you reverse a string in C or C++ without requiring a separate buffer to hold the reversed string?
30 Answers
...
How to convert a number to string and vice versa in C++
...
Update for C++11
As of the C++11 standard, string-to-number conversion and vice-versa are built in into the standard library. All the following functions are present in <string> (as per paragraph 21.5).
string to numeric
float ...
In c++ what does a tilde “~” before a function name signify?
...ack.
But taking your question exactly as it appears in the title:
In c++ what does a tilde “~” before a function name signify?
there is another situation. In any context except immediately before the name of a class (which is the destructor context), ~ is the one's complement (or bitwise...
Should I return EXIT_SUCCESS or 0 from main()?
...stion, but I keep seeing conflicting answers: should the main routine of a C++ program return 0 or EXIT_SUCCESS ?
8 Answ...