return-value

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C++: How to trigger a compiler error when function return value is unused?

Let\'s say I have a normalize function defined as: Vec3f Vec3f::getNormalized() const { return (*this)/this->length();[详细]

2023-03-01 04:36 分类：问答
efficiently passing and returning objects in c++

I have a Visual Studio 2008 C++ application where a function Foo::CreateBar uses an internal function to populate a buffer with some data as below. I understand that VS2008 will use return value optim[详细]

2023-03-01 02:59 分类：问答
Why is WEXITSTATUS even needed?

The following code will wait for a child process to finish and then print its return code. int status;[详细]

2023-02-28 19:26 分类：问答
How to read the return code from a child process

I use fork and execv to execute a child process. In the parent program, I have this: int status; wait(&status);[详细]

2023-02-28 19:17 分类：问答
list_entry return value

Hay guys! I\'m changing the kernel code at the Rat Hat OS and I want to use the macro开发者_运维百科 \"list entry\".[详细]

2023-02-28 02:45 分类：问答
Return Value memory scope

If I have a method like: public SomeObject GetObject(int ID){ SomeObject obj1 = new SomeObject(); obj1.ID = ID;[详细]

2023-02-27 23:18 分类：问答
Python Subprocess returncode - different results

I came to run a script on a production box, and it failed in one of it\'s first checks. I\'ve narrowed it down to the fact my \"ping\" check (invoked by subprocess) is returning a non-zero result.[详细]

2023-02-26 18:48 分类：问答
Best datatype to return for XML serialized data

I am creating a generic Android to C# tcp stack. On the C# side I would like to implement an interface called ITcpSerializable.[详细]

2023-02-25 22:43 分类：问答
Perl Programming and Return Values

How do you return the value of a local variable array (or any variable for that matter) in perl.For instance.Must I return a reference to the array. That seems like it wouldn\'t work as well.[详细]

2023-02-25 05:33 分类：问答
C++: References as return values

I noticed I don\'t get any compiler errors when I accidentally forget to ret开发者_开发技巧urn from a function that is supposed to return a reference. I wrote some small tests to see what actually hap[详细]

2023-02-24 22:18 分类：问答