reference Archives - IT Nursery

C++, Programming

IT Nursery

How to “return an object” in C++?

I know the title sounds familiar as there are many similar questions, but I’m asking for a different aspect of the problem (I ...

June 3, 2022
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C#, Programming

IT Nursery

C# string reference type?

I know that “string” in C# is a reference type. This is on MSDN. However, this code doesn’t work as it should then: ...

June 3, 2022
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Programming, Python

IT Nursery

python list by value not by reference [duplicate]

This question already has answers here: How do I clone a list so that it doesn’t change unexpectedly after assignment? (21 answers) Closed ...

June 3, 2022
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Programming, string

IT Nursery

Why is it discouraged to accept a reference to a String (&String), Vec (&Vec), or Box (&Box) as a function argument?

I wrote some Rust code that takes a &String as an argument: fn awesome_greeting(name: &String) { println!("Wow, you are awesome, {}!", name); } ...

June 2, 2022
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C++, Programming

IT Nursery

Why is ‘this’ a pointer and not a reference?

I was reading the answers to this question C++ pros and cons and got this doubt while reading the comments. programmers frequently find ...

June 1, 2022
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Java, Programming

IT Nursery

Java: difference between strong/soft/weak/phantom reference

I have read this article about different types of references in Java (strong, soft, weak, phantom), but I don’t really understand it. What ...

June 1, 2022
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C#, Programming

IT Nursery

Creating a copy of an object in C# [duplicate]

This question already has answers here: How do you do a deep copy of an object in .NET? [duplicate] (10 answers) Closed 2 ...

May 29, 2022
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C++, Programming

IT Nursery

Return type of ‘?:’ (ternary conditional operator)

Why does the first return a reference? int x = 1; int y = 2; (x > y ? x : y) = ...

May 28, 2022
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Programming, r

IT Nursery

Understanding exactly when a data.table is a reference to (vs a copy of) another data.table

I’m having a little trouble understanding the pass-by-reference properties of data.table. Some operations seem to ‘break’ the reference, and I’d like to understand ...

May 28, 2022
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How to reference generic classes and methods in xml documentation

When writing xml documentation you can use <see cref="something">something</see>, which works of course. But how do you reference a class or a method ...

May 26, 2022
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