pointers

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How to pass a parameter of type pointer to PVOID from LabView to DLL?

I\'m calling a DLL written in C++ from LabView. The function prototype is开发者_Python百科: ULONG DAQ_Open(PVOID *pHandle);[详细]

2023-04-09 05:54 分类：问答
stack program print function not working properly [closed]

This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time,or an extraordinarily narrow situation that is not generally applic[详细]

2023-04-09 05:14 分类：问答
Return a pointer to an array

Suppose you have a class with a private pointer to an array. How can you use a getter to access (or effectively copy the data) so you can access it in a different variable.[详细]

2023-04-09 04:32 分类：问答
When will memory used in a function become free ??(C programming)

Below is the code The Code: #include <stdio.h> int * num(void); int main(void) { int * num2; num2 =num();[详细]

2023-04-09 03:16 分类：问答
Why is passing NSString pointer not working for me?

I am having troubles passing/receiving NSString pointers through function calls. I\'m hoping someone can help me see what I\'m doing incorrectly.[详细]

2023-04-09 02:23 分类：问答
C++: Should I initialize pointer members that are assigned to in the constructor body to NULL?

Suppose I have: // MyClass.h class MyClass { public: MyClass(); private: Something *something_; } // MyClass.cpp[详细]

2023-04-09 01:24 分类：问答
Very basic question about argument with signature void *data

This is very likely an extremely basic question - sorry about that. I have written an interface in C++ which is powered by a C engine. One of the C-engine functions has the following signature:[详细]

2023-04-08 22:36 分类：问答
How to share share widgets pointers with another widgets

I have a kind of video player application written in QT, the idea is that I can click in an video frame and the app will get the coords and color information from this exact pixels, so far so good the[详细]

2023-04-08 20:28 分类：问答
RValue references, pointers, and copy constructors

Consider the following piece of code: int three() { return 3; } template <typename T> class Foo { private:[详细]

2023-04-08 12:43 分类：问答
Getting error while converting C MEX-file into pure c++

i am converting some C mex-files into pure C++. obviously i need to convert mxarrays and mexfunctions.[详细]

2023-04-08 12:30 分类：问答