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C++ 2022-03-18 07:35:41
bitmask c++
Bitwise Operator //if both are true then true else false & //if both are false then false else true | //changes true into false and vice-versa ~ //returns true if exactly one is true else false //checks if both are different ^ //a<<b multiply a ... Add solution -
Javascript 2022-03-17 07:35:13
8.3.1. Common Array Methods // join Examples (.join)
//The general syntax for this method is: arrayName.join('connector') /*join combines all the elements of an array into a string. The connector determines the string that "glues" the array elements together.*/ let arr = [1, 2, 3, 4]; let word... Add solution -
Javascript 2022-03-16 20:50:06
JAVASCRIPT EVENT.TARGET
Using the event.target property together with the element.tagName property to find out which element triggered a specified event: <body onclick="myFunction(event)"> <p>Click on any elements in this document to find out which element... Add solution -
C# 2022-03-11 17:25:25
f reachable queue in c#
Freachable Queue Freachable what? You might ask. Freachable (pronounced F-reachable) is one of CLR Garbage Collector internal structures that is used in a finalization part of garbage collection. You might have heard about the Finalization queue where ... Add solution -
Other 2022-03-11 12:00:30
how to check Flutter app comes to foreground
class _HomePageState extends State<HomePage> with WidgetsBindingObserver { // This variable will tell you whether the application is in foreground or not. bool _isInForeground = true; @override void initState() { super.initState(); ... Add solution -
Python 2022-03-10 07:20:02
hwo to except every error in python try statemen
try: print "Performing an action which may throw an exception." except Exception, error: print "An exception was thrown!" print str(error) else: print "Everything looks great!" finally: print "Finally... Add solution -
Other 2022-03-10 02:40:09
on click unmount the component
import React, { useEffect, useState } from 'react'; import ReactDOM from 'react-dom'; function LifecycleDemo() { // Pass useEffect a function useEffect(() => { // This gets called after every render, by default // (the first one, and every... Add solution -
Javascript 2022-03-07 01:00:29
calculate init code hash nodejs
import { INIT_CODE_HASH } from '../src/constants' import { bytecode } from '@uniswap/v2-core/build/UniswapV2Pair.json' import { keccak256 } from '@ethersproject/solidity' const COMPUTED_INIT_CODE_HASH = keccak256(['bytes'], [`0x${bytecode}`]) Add solution -