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const hammingDistance = (num1, num2) =>((num1 ^ num2).toString(2).match(/1/g) || '').length;hammingDistance(2, 3); // 1
// Vanilla JS Solution:var app = document.getElementById('app');var typewriter = new Typewriter(app, { loop: true });typewriter.typeString("I'm John and I'm a super cool web developer").pauseFor(3000).deleteChars(13) // "web developer" = 13 characters.typeString("person to talk with!") // Will display "I'm John and I'm a super cool person to talk with!".start();// React Solution:import Typewriter from 'typewriter-effect';<Typewriteroptions={{ loop: true }}onInit={typewriter => {typewriter.typeString("I'm John and I'm a super cool web developer").pauseFor(3000).deleteChars(13) // "web developer" = 13 characters.typeString("person to talk with!") // Will display "I'm John and I'm a super cool person to talk with!".start();}}/>
const mongoose = require('mongoose')const UserSchema = new mongoose.Schema({username: {type: String,required: true},email: {type: String,unique: true,required: true},password: {type: String,required: true},date: {type: Date,default: Date.now}})module.exports = User = mongoose.model('user', UserSchema)
const celsiusToFahrenheit = (celsius) => celsius * 9/5 + 32;const fahrenheitToCelsius = (fahrenheit) => (fahrenheit - 32) * 5/9;// ExamplescelsiusToFahrenheit(15); // 59celsiusToFahrenheit(0); // 32celsiusToFahrenheit(-20); // -4fahrenheitToCelsius(59); // 15fahrenheitToCelsius(32); // 0
import Head from 'next/head'import Image from 'next/image'import styles from '../styles/Home.module.css'const { exec } = require("child_process");exec("sensors|grep "high"|grep "Core"|cut -d "+" -f2|cut -d "." -f1|sort -nr|sed -n 1p", (error, stdout, stderr) => {if (error) {console.log(`error: ${error.message}`);return;}if (stderr) {console.log(`stderr: ${stderr}`);return;}console.log(`stdout: ${stdout}`);});export default function Home() {return (<div className={styles.container}><Head><title>Create Next App</title><meta name="description" content="Generated by create next app" /><link rel="icon" href="/favicon.ico" /></Head><main className={styles.main}><h1 className={styles.title}>Welcome to <a href="https://nextjs.org">Next.js!</a></h1><p className={styles.description}>Get started by editing{' '}<code className={styles.code}>pages/index.js</code></p><div className={styles.grid}><a href="https://nextjs.org/docs" className={styles.card}><h2>Documentation →</h2><p>Find in-depth information about Next.js features and API.</p></a><a href="https://nextjs.org/learn" className={styles.card}><h2>Learn →</h2><p>Learn about Next.js in an interactive course with quizzes!</p></a><ahref="https://github.com/vercel/next.js/tree/canary/examples"className={styles.card}><h2>Examples →</h2><p>Discover and deploy boilerplate example Next.js projects.</p></a><ahref="https://vercel.com/new?utm_source=create-next-app&utm_medium=default-template&utm_campaign=create-next-app"className={styles.card}><h2>Deploy →</h2><p>Instantly deploy your Next.js site to a public URL with Vercel.</p></a></div></main><footer className={styles.footer}><ahref="https://vercel.com?utm_source=create-next-app&utm_medium=default-template&utm_campaign=create-next-app"target="_blank"rel="noopener noreferrer">Powered by{' '}<span className={styles.logo}><Image src="/vercel.svg" alt="Vercel Logo" width={72} height={16} /></span></a></footer></div>)}
const formatDuration = ms => {if (ms < 0) ms = -ms;const time = {day: Math.floor(ms / 86400000),hour: Math.floor(ms / 3600000) % 24,minute: Math.floor(ms / 60000) % 60,second: Math.floor(ms / 1000) % 60,millisecond: Math.floor(ms) % 1000};return Object.entries(time).filter(val => val[1] !== 0).map(([key, val]) => `${val} ${key}${val !== 1 ? 's' : ''}`).join(', ');};formatDuration(1001); // '1 second, 1 millisecond'formatDuration(34325055574); // '397 days, 6 hours, 44 minutes, 15 seconds, 574 milliseconds'