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How to initialize a vector in C++ [duplicate]

This question already has answers here: What is the easiest way to initialize a std::vector with hardcoded elements? (29 answers) Closed 2 years ...

May 29, 2022
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Cannot refer to a non-final variable inside an inner class defined in a different method

Edited: I need to change the values of several variables as they run several times thorugh a timer. I need to keep updating ...

May 23, 2022
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Initializing multiple variables to the same value in Java

I’m looking for a clean and efficient method of declaring multiple variables of the same type and of the same value. Right now ...

May 22, 2022
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What are forward declarations in C++?

At: http://www.learncpp.com/cpp-tutorial/19-header-files/ The following is mentioned: add.cpp: int add(int x, int y) { return x + y; } main.cpp: #include <iostream> int add(int ...

May 20, 2022
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What does “default” mean after a class’ function declaration?

I’ve seen default used next to function declarations in a class. What does it do? class C { C(const C&) = default; C(C&&) ...

May 20, 2022
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Is it possible to declare two variables of different types in a for loop?

Is it possible to declare two variables of different types in the initialization body of a for loop in C++? For example: for(int ...

May 18, 2022
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Meaning of = delete after function declaration

class my_class { ... my_class(my_class const &) = delete; ... }; What does = delete mean in that context? Are there any other ...

May 17, 2022
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What is the ‘open’ keyword in Swift?

The ObjectiveC.swift file from the standard library contains the following few lines of code around line 228: extension NSObject : Equatable, Hashable { ...

May 10, 2022
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Declaring multiple variables in JavaScript

In JavaScript, it is possible to declare multiple variables like this: var variable1 = "Hello, World!"; var variable2 = "Testing..."; var variable3 = ...

May 9, 2022
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Why is volatile needed in C?

Why is volatile needed in C? What is it used for? What will it do? 18 s 18 volatile tells the compiler not ...

May 3, 2022
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