• Nov 19, 2022 •CodeCatch
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const getTimezone = () => Intl.DateTimeFormat().resolvedOptions().timeZone; // Example getTimezone();
• Jan 25, 2023 •C S
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const ResponsiveCardImg = styled(Card.Img)` // For screens wider than 768px @media(min-width: 768px) { // Your responsive styles here. } // For screens smaller than 768px @media(max-width: 768px) { // Your responsive styles here. } ` export default function App() { return ( <MainContainer> <Container> <Card text='white' bg='dark' style={styles.mainCard}> <ResponsiveCardImg style={styles.cardImage} onClick={handleClick} src={apeImage} alt='Degenerate Ape Academy' /> <Card.Body> <Card.Title className='text-center' as='h2'> {apeId} </Card.Title> </Card.Body> </Card> </Container> </MainContainer> ); }
function Clock(props) { return ( <div> <h1>Hello, world!</h1> <h2>It is {props.date.toLocaleTimeString()}.</h2> </div> ); } function tick() { ReactDOM.render( <Clock date={new Date()} />, document.getElementById('root') ); } setInterval(tick, 1000);
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const levenshteinDistance = (s, t) => { if (!s.length) return t.length; if (!t.length) return s.length; const arr = []; for (let i = 0; i <= t.length; i++) { arr[i] = [i]; for (let j = 1; j <= s.length; j++) { arr[i][j] = i === 0 ? j : Math.min( arr[i - 1][j] + 1, arr[i][j - 1] + 1, arr[i - 1][j - 1] + (s[j - 1] === t[i - 1] ? 0 : 1) ); } } return arr[t.length][s.length]; }; levenshteinDistance('duck', 'dark'); // 2
• Feb 5, 2021 •LeifMessinger
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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(); } }
• Nov 18, 2022 •AustinLeath
0 likes • 4 views
var d = new Date(); var d = new Date(milliseconds); var d = new Date(dateString); var d = new Date(year, month, day, hours, minutes, seconds, milliseconds);