• Nov 19, 2022 •CodeCatch
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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 arithmeticProgression = (n, lim) => Array.from({ length: Math.ceil(lim / n) }, (_, i) => (i + 1) * n ); arithmeticProgression(5, 25); // [5, 10, 15, 20, 25]
• 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>
• Mar 11, 2021 •C S
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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;
// `arr` is an array const clone = arr => arr.slice(0); // Or const clone = arr => [...arr]; // Or const clone = arr => Array.from(arr); // Or const clone = arr => arr.map(x => x); // Or const clone = arr => JSON.parse(JSON.stringify(arr)); // Or const clone = arr => arr.concat([]);
• May 17, 2021 •LeifMessinger
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//Upvotes comments according to a regex pattern. I tried it out on https://www.reddit.com/r/VALORANT/comments/ne74n4/please_admire_this_clip_precise_gunplay_btw/ //Known bugs: //If a comment was already upvoted, it gets downvoted //For some reason, it has around a 50-70% success rate. The case insensitive bit works, but I think some of the query selector stuff gets changed. Still, 50% is good let comments = document.getElementsByClassName("_3tw__eCCe7j-epNCKGXUKk"); //Comment class let commentsToUpvote = []; const regexToMatch = /wtf/gi; for(let comment of comments){ let text = comment.querySelector("._1qeIAgB0cPwnLhDF9XSiJM"); //Comment content class if(text == undefined){ continue; } text = text.textContent; if(regexToMatch.test(text)){ console.log(text); commentsToUpvote.push(comment); } } function upvote(comment){ console.log(comment.querySelector(".icon-upvote")); //Just showing you what it's doing comment.querySelector(".icon-upvote").click(); } function slowRecurse(){ let comment = commentsToUpvote.pop(); //It's gonna go bottom to top but whatever if(comment != undefined){ upvote(comment); setTimeout(slowRecurse,500); } } slowRecurse();