• Oct 15, 2022 •CodeCatch
1 like • 294 views
const express = require('express') const app = express() const port = 3000 app.get('/', (req, res) => { res.send('Hello World!') }) app.listen(port, () => { console.log(`Example app listening on port ${port}`) })
• Oct 9, 2023 •Helper
0 likes • 286 views
import React, { useState, useEffect } from 'react'; import Link from 'next/link'; export default function CookieBanner() { // Initialize with a default value (false if not previously set in localStorage) const [cookieConsent, setCookieConsent] = useState(() => localStorage.getItem('cookieConsent') === 'true' ? true : false ); useEffect(() => { const newCookieConsent = cookieConsent ? 'granted' : 'denied'; window.gtag('consent', 'update', { analytics_storage: newCookieConsent }); localStorage.setItem('cookieConsent', String(cookieConsent)); }, [cookieConsent]); return !cookieConsent && ( <div> <div> <p> We use cookies to enhance the user experience.{' '} <Link href='/privacy/'>View privacy policy</Link> </p> </div> <div> <button type="button" onClick={() => setCookieConsent(false)}>Decline</button> <button type="button" onClick={() => setCookieConsent(true)}>Allow</button> </div> </div> ) }
• Apr 10, 2025 •hasnaoui1
0 likes • 11 views
const express = require('express') const mongoose = require('mongoose') const cors = require('cors') const dotenv = require('dotenv') const server = express() dotenv.config() server.use(express.json()) server.get('/' , (req , res)=>{ res.send('Hello') }) //4.lancement du serveur server.listen(process.env.PORT , ()=>{ console.log('server run on http://localhost:'+process.env.PORT) })
• Nov 19, 2022 •CodeCatch
0 likes • 0 views
const head = arr => (arr && arr.length ? arr[0] : undefined); head([1, 2, 3]); // 1 head([]); // undefined head(null); // undefined head(undefined); // undefined
const shuffle = ([...arr]) => { let m = arr.length; while (m) { const i = Math.floor(Math.random() * m--); [arr[m], arr[i]] = [arr[i], arr[m]]; } return arr; }; const foo = [1, 2, 3]; shuffle(foo); // [2, 3, 1], foo = [1, 2, 3]
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// `date` is a `Date` object const formatYmd = date => date.toISOString().slice(0, 10); // Example formatYmd(new Date()); // 2020-05-06