pass-by-reference

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Use an un-initialized pointer as a function parameter

As I want to pass an uninitialized pointer to a function, it goes runtime error. but if I pass this pointer as a reference, it works OK. I cannot explain why...[详细]

2023-03-02 19:54 分类：问答
Assign value to variant parameter

I got code like this in Delphi XE function DoSomething(MyVar : Variant) : boolean; begin MyVar := \'Bar\';[详细]

2023-03-01 18:34 分类：问答
Passing a non dynamic 2 dimensional array into a function in C?

How do you pass two dimensional arrays into a function? When I pass it, it shows up in the visual studio debugger as a single dimensional array.[详细]

2023-03-01 15:57 分类：问答
AppleScript reference objects - help me understand them

Why do these even exist? It seems absurd. Like with most dynamic languages, AppleScript types seem to be either immutable primitive types like integers and reals which are going to be handed around by[详细]

2023-03-01 15:25 分类：问答
Difference between function arguments declared with & and * in C++

I typed the following example: #include <iostream> double f(double* x, double* y) { std::cout << "val x: " << *x << "\\n";[详细]

2023-03-01 11:11 分类：问答
what's the difference between object * x and object& x in c++ [duplicate]

This question already has answers here: 开发者_StackOverflow中文版 Closed 11 years ago. Possible Duplicate:[详细]

2023-02-28 14:14 分类：问答
Automatically change pass-by-value to pass-by-reference

I have many hundreds of functions from a manual java to c++ port. In the result c++ code, I wish to change parameters passed by value to passed by reference:[详细]

2023-02-28 07:41 分类：问答
How can I copy element by 'pass by value' not by 'pass by reference'

Below is the snippet of the code. Basically, \'this.leaves\' is a array. And I want to shift first array element, make copy of it (called frontLeaf), and unshift it to the original array, change some[详细]

2023-02-27 04:29 分类：问答
C++ dependency injection - by reference or by boost::shared_ptr?

In cases where constructor dependency injection is required, what are the considerations for using injection by re开发者_Go百科ference vs. using boost::shared_ptr?[详细]

2023-02-27 03:18 分类：问答
Why references to Strings don't behave like other Objects references?

In the following code public class Test { public static void main(String[] args){ int [] arr = new int[]{1,2};[详细]

2023-02-25 21:30 分类：问答