Loading...
More JavaScript Posts
class SequentialQueue{ //if you want it to go backwards, too badnext(){return this.i++;}constructor(start = 0){this.i = start;}}const que = new SequentialQueue(0);for(let i = 0; i < 10; i++){console.log(que.next());}
const dragAndDropDiv = editor.container;dragAndDropDiv.addEventListener('dragover', function(e) {e.stopPropagation();e.preventDefault();e.dataTransfer.dropEffect = 'copy';});dragAndDropDiv.addEventListener("drop",function(e){// Prevent default behavior (Prevent file from being opened)e.stopPropagation();e.preventDefault();const files = e.dataTransfer.items; // Array of all filesconsole.assert(files.length >= 1);if (files[0].kind === 'file') {var file = e.dataTransfer.items[0].getAsFile();const fileSize = file.size;const fileName = file.name;const fileMimeType = file.type;reader = new FileReader();reader.onloadend = function(){editor.setValue(reader.result);}reader.readAsText(file);}else{//Maybe handle if text is droppedconsole.log(files[0].kind);}});
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 linearSearch = (arr, item) => {for (const i in arr) {if (arr[i] === item) return +i;}return -1;};linearSearch([2, 9, 9], 9); // 1linearSearch([2, 9, 9], 7); // -1
class Timer{start(){this.startTime = Date.now();}stop(){const dt = Date.now() - this.startTime;console.log(dt);return dt;}getExecTime(fun, asynchronous){return asynchronous ? this.getAsyncExecTime(fun) : this.getSyncExecTime(fun);}getSyncExecTime(fun){this.start();fun();return this.stop();}async getAsyncExecTime(fun){this.start();await fun();return this.stop();}static average(fun, numTimes, asynchronous = false){const times = [];const promises = [];let timer = new Timer();if(asynchronous){for(let i = 0; i < numTimes; i++){timer.getAsyncExecTime(fun);}}else{for(let i = 0; i < numTimes; i++){timer.getSyncExecTime(fun);}}return (times => times.reduce(((sum, acc) => sume + acc), 0) / times.length);}static async timeAsync(fun, numTimes){if(numTimes <= 1) return new Timer().getAsyncExecTime(fun);const promises = [];let timer = new Timer(true);for(let i = 0; i < numTimes; i++){promises.push(fun().catch((e)=>{}));}try{await Promise.all(promises).catch((e)=>{});}catch(e){//do absolutely nothing}return timer.stop();}constructor(start = false){if(start) this.start();}}
/*** @param {number[]} nums* @return {boolean}*/var containsDuplicate = function(nums) {return new Set(nums).size !== nums.length};