Top "Declaration" questions

What’s the difference between “{}” and “[]” while declaring a JavaScript array?

What’s the difference between “{}” and “[]” while declaring a JavaScript array? Normally I declare like var a=[]; What is the …

javascript arrays object javascript-objects declaration

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 …

c++ function c++11 declaration delete-operator

forward declaration of a struct in C?

#include <stdio.h> struct context; struct funcptrs{ void (*func0)(context *ctx); void (*func1)(void); }; struct context{ funcptrs fps; }; …

c struct declaration forward

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, …

swift swift3 syntax declaration modifier

Assign multiple values to array in C

Is there any way to do this in a condensed form? GLfloat coordinates[8]; ... coordinates[0] = 1.0f; coordinates[1] = 0.0f; coordinates[2] = 1.0f; coordinates[3] = 1.0…

c arrays initialization declaration

Defining static const integer members in class definition

My understanding is that C++ allows static const members to be defined inside a class so long as it's an …

c++ static declaration definition

Where to declare/define class scope constants in C++?

I'm curious about the benefits/detriments of different constant declaration and definition options in C++. For the longest time, I've …

c++ constants declaration

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&…

c++ c++11 default declaration keyword

Java: define terms initialization, declaration and assignment

I find the defs circular, the subjects are defined by their verbs but the verbs are undefined! So how do …

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Java double initialization

In what way are these statements different? double dummy = 0; double dummy = 0.0; double dummy = 0.0d; double dummy = 0.0D;

java double declaration