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C++ 2021-10-27 11:24:10
why constructor can't be static in c++
static variable are those variable declared with static and i will be refer to the common property of all the objects in a java and it is mainly used for memory managment in java. constructor is used to inilialize the objects and it is automatically calle... Add solution -
Swift 2021-10-20 12:42:07
add node to frame from diffrent class swift
/* You need to get the current instance of the game scene in order to add children to it. GameScene() is just the method that initializes a new scene, but has nothing to do with the current scene that you are using. Instead, you could go back to the ... Add solution -
Java 2021-10-15 07:33:03
new string' is redundant error
It is always redundant to use the constructor of String that accepts another String as an argument, since String is immutable, and therefore there is no point in creating a new String instance that is equal to the original instance. It is redundant. Add solution -
C++ 2021-10-11 13:43:06
default constructor in c++
#include <iostream> class Entity { public: float x, y; void Print() { std::cout << "( " << x << " , " << y << " )" << std::endl; } void Initialize() { x = 0.0f; y = 0.0f;... Add solution -
Other 2021-10-04 03:13:03
Depth First Searcha Java by ALGS4 princeton
/****************************************************************************** * Compilation: javac DepthFirstSearch.java * Execution: java DepthFirstSearch filename.txt s * Dependencies: Graph.java StdOut.java * Data files: https://algs4.c... Add solution -
Javascript 2021-09-16 23:56:03
jquery like selector in javascript
var $ = (function () { 'use strict'; /** * Create the constructor * @param {String} selector The selector to use */ var Constructor = function (selector) { if (!selector) return; if (selector === 'document') { this.elems = [document]; ... Add solution -
PHP 2021-09-13 09:40:02
singleton in php
// General singleton class. class Singleton { // Hold the class instance. private static $instance = null; // The constructor is private // to prevent initiation with outer code. pri... Add solution
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