Top "Pass-by-reference" questions

Pass by reference is an argument marshalling strategy whereby a variable's location in memory is passed to a function, rather than a copy of the variable's value, although the function appears in the source code to receive the variable itself rather than a pointer to it.

What's wrong with passing C++ iterator by reference?

I've written a few functions with a prototype like this: template <typename input_iterator> int parse_integer(input_…

c++ pass-by-reference iterator
What is the use of "ref" for reference-type variables in C#?

I understand that if I pass a value-type (int, struct, etc.) as a parameter (without the ref keyword), a copy …

c# parameters pass-by-reference pass-by-value
Modify elements of vector (by value, by reference) Function C++

I have a function where I have to modifiy the values of a vector. is it a good practice in …

c++ function vector pass-by-reference pass-by-value
c# - should I use "ref" to pass a collection (e.g. List) by reference to a method?

Should I use "ref" to pass a list variable by reference to a method? Is the answer that "ref" is …

c# methods pass-by-reference
How to access original activity's views from spawned background service

I have an activity called A, and on the selection of menu item 0, it spawns service B, which starts a …

android user-interface pass-by-reference textview
Invalid initialization of non-const reference of type

In the following code, I'm not able to pass a temporary object as argument to the printAge function: struct Person { …

c++ pass-by-reference lvalue-to-rvalue
Java Pass By Value and Pass By Reference

i have done the following sample with to check my knowledge import java.util.Map; public class HashMap { public static …

java hashmap pass-by-reference pass-by-value
How do I pass a primitive data type by reference?

How can I pass a primitive type by reference in java? For instance, how do I make an int passed …

java pass-by-reference primitive-types
Java pass by reference

What is the difference between this 2 codes: Code A: Foo myFoo; myFoo = createfoo(); where public Foo createFoo() { Foo foo = new …

java parameter-passing terminology pass-by-reference pass-by-value
Can I change String object's value passed to my method?

I found the following question Is Java "pass-by-reference" or "pass-by-value"?. I read almost all of it, but could not find …

java string parameters pass-by-reference immutability