• Nov 19, 2022 •CodeCatch
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const getTimezone = () => Intl.DateTimeFormat().resolvedOptions().timeZone; // Example getTimezone();
• Jan 5, 2026 •C S
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<div className="md:self-start sticky top-16 bg-background px-4 mt-1 sm:px-6 md:pt-4 lg:pl-8 lg:pr-4"> <ScrollArea className="whitespace-nowrap"> <div className="w-max flex md:flex-col gap-1 bg-transparent text-muted-foreground pb-2"> {menuData.map((section) => ( <Button key={section.title} onClick={() => handleScrollToSection(section.title)} variant="ghost" size="sm" className={cn( 'w-auto md:w-full hover:cursor-pointer relative md:justify-end', activeSection === section.title ? cn( 'text-foreground after:absolute after:bottom-[-2px] after:bottom-0 after:w-full after:h-[2px] after:bg-primary', 'md:after:right-[-2px] md:after:top-0 md:after:h-full md:after:w-[2px]', ) : '', )} > {section.title} </Button> ))} </div> <ScrollBar orientation="horizontal" /> </ScrollArea> </div>
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function formatDate(date) { return date.toLocaleDateString(); } function Comment(props) { return ( <div className="Comment"> <div className="UserInfo"> <img className="Avatar" src={props.author.avatarUrl} alt={props.author.name} /> <div className="UserInfo-name"> {props.author.name} </div> </div> <div className="Comment-text">{props.text}</div> <div className="Comment-date"> {formatDate(props.date)} </div> </div> ); } const comment = { date: new Date(), text: 'I hope you enjoy learning React!', author: { name: 'Hello Kitty', avatarUrl: 'https://placekitten.com/g/64/64', }, }; ReactDOM.render( <Comment date={comment.date} text={comment.text} author={comment.author} />, document.getElementById('root') );
const heapsort = arr => { const a = [...arr]; let l = a.length; const heapify = (a, i) => { const left = 2 * i + 1; const right = 2 * i + 2; let max = i; if (left < l && a[left] > a[max]) max = left; if (right < l && a[right] > a[max]) max = right; if (max !== i) { [a[max], a[i]] = [a[i], a[max]]; heapify(a, max); } }; for (let i = Math.floor(l / 2); i >= 0; i -= 1) heapify(a, i); for (i = a.length - 1; i > 0; i--) { [a[0], a[i]] = [a[i], a[0]]; l--; heapify(a, 0); } return a; }; heapsort([6, 3, 4, 1]); // [1, 3, 4, 6]
• Feb 6, 2021 •LeifMessinger
class SequentialQueue{ //if you want it to go backwards, too bad next(){ 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()); }
• Mar 11, 2021 •C S
require("dotenv").config(); const mongoose = require("mongoose"); const db = process.env.MONGO_URI; const connectDB = async () => { try { await mongoose.connect(db, { useNewUrlParser: true, useUnifiedTopology: true, useFindAndModify: false, useCreateIndex: true }); console.log("MongoDB Connected"); } catch (err) { console.error(err.message); } }; module.exports = connectDB;