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PHP 2022-02-01 06:55:54
__construct
<?php class BaseClass { function __construct() { print "In BaseClass constructor\n"; } } class SubClass&... Add solution -
Javascript 2022-02-01 06:06:18
how to get a value into a react component
class NameForm extends React.Component { constructor(props) { super(props); this.handleSubmit = this.handleSubmit.bind(this); this.input = React.createRef(); } handleSubmit(event) { alert('A name was submitted: ' + this.input.curren... Add solution -
Java 2022-02-01 05:01:15
how do you use driver in your framework
Driver class: -Driver class is public, has a private constructor and private WebDriver object which named driver, so that no object can be created outside the class. It is also an example for "singleton design pattern". -Webdriver driver is pr... Add solution -
Javascript 2022-02-01 00:07:57
javascript all type of data
/* The latest ECMAScript standard defines nine types: Six Data Types that are primitives, checked by typeof operator: undefined : typeof instance === "undefined" Boolean : typeof instance === "boolean" Number : typeof instance === &qu... Add solution -
TypeScript 2022-01-31 21:11:07
How to implement Bootstrap 4 for Angular 2 ngb-pagination
export class HomeComponent implements OnInit { currentPage = 1; itemsPerPage = 5; pageSize: number; constructor() { } public onPageChange(pageNum: number): void { this.pageSize = this.itemsPerPage*(pageNum - 1); } public changePagesize(nu... Add solution -
Javascript 2022-01-31 09:06:00
change items loop react
import React from 'react'; import './HomePage.scss' import { Col,Row, Button, Container } from "reactstrap"; let image1 = require("../../Assets/image1.jpg"); let image2 = require("../../Assets/image2.jpg"); let image3 = requi... Add solution -
Javascript 2022-01-31 02:42:27
RangeError
//Occurs when passing an invalid value to a function. let nums = Array(-1); /*The constructor function Array(n) creates an empty array of length n. It is not possible to create an array with negative length, so the code results in RangeError: Invalid ... Add solution