reference Archives - Page 3 of 4

Why can’t I store a value and a reference to that value in the same struct?

I have a value and I want to store that value and a reference to something inside that value in my own type: ...

May 14, 2022
0 Comments

When should I use the new keyword in C++?

I’ve been using C++ for a short while, and I’ve been wondering about the new keyword. Simply, should I be using it, or ...

May 13, 2022
0 Comments

Why does the Rust compiler not optimize code assuming that two mutable references cannot alias?

As far as I know, reference/pointer aliasing can hinder the compiler’s ability to generate optimized code, since they must ensure the generated binary ...

May 10, 2022
0 Comments

Is the practice of returning a C++ reference variable evil?

This is a little subjective I think; I’m not sure if the opinion will be unanimous (I’ve seen a lot of code snippets ...

May 9, 2022
0 Comments

JavaScript by reference vs. by value [duplicate]

This question already has answers here: Is JavaScript a pass-by-reference or pass-by-value language? (33 answers) Closed 7 years ago. I’m looking for some ...

May 8, 2022
0 Comments

Why can’t I make a vector of references?

When I do this: std::vector<int> hello; Everything works great. However, when I make it a vector of references instead: std::vector<int &> hello; I ...

May 7, 2022
0 Comments

When to use references vs. pointers

I understand the syntax and general semantics of pointers versus references, but how should I decide when it is more-or-less appropriate to use ...

May 6, 2022
0 Comments

Does JavaScript pass by reference? [duplicate]

This question already has answers here: Is JavaScript a pass-by-reference or pass-by-value language? (33 answers) Closed 2 years ago. Does JavaScript pass by ...

May 5, 2022
0 Comments

The type or namespace name could not be found [duplicate]

This question already has answers here: Getting “type or namespace name could not be found” but everything seems ok? (44 answers) Closed 7 ...

May 3, 2022
0 Comments

MongoDB relationships: embed or reference?

I’m new to MongoDB–coming from a relational database background. I want to design a question structure with some comments, but I don’t know ...

April 30, 2022
0 Comments