• Nov 19, 2022 •CodeCatch
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//JavaScript program to swap two variables //take input from the users let a = prompt('Enter the first variable: '); let b = prompt('Enter the second variable: '); // XOR operator a = a ^ b b = a ^ b a = a ^ b console.log(`The value of a after swapping: ${a}`); console.log(`The value of b after swapping: ${b}`);
• Jan 17, 2021 •C S
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const getSearchTerm = delimiter => { let searchTerm = ""; for (let i = 1; i < commands.length - 1; i++) searchTerm = searchTerm + commands[i] + delimiter; searchTerm += commands[commands.length - 1]; return searchTerm; };
• Mar 22, 2022 •LeifMessinger
//QM Helper by Leif Messinger //Groups numbers by number of bits and shows their binary representations. //To be used on x.com const minterms = prompt("Enter your minterms separated by commas").split(",").map(x => parseInt(x.trim())); const maxNumBits = minterms.reduce(function(a, b) { return Math.max(a, Math.log2(b)); }); const bitGroups = []; for(let i = 0; i < maxNumBits; ++i){ bitGroups.push([]); } for(const minterm of minterms){ let outputString = (minterm+" "); //Count the bits let count = 0; for (var i = maxNumBits; i >= 0; --i) { if((minterm >> i) & 1){ ++count; outputString += "1"; }else{ outputString += "0"; } } bitGroups[count].push(outputString); } document.body.textContent = ""; document.body.style.setProperty("white-space", "pre"); for(const group of bitGroups){ for(const outputString of group){ document.body.textContent += outputString + "\r\n"; } }
const formatDuration = ms => { if (ms < 0) ms = -ms; const time = { day: Math.floor(ms / 86400000), hour: Math.floor(ms / 3600000) % 24, minute: Math.floor(ms / 60000) % 60, second: Math.floor(ms / 1000) % 60, millisecond: Math.floor(ms) % 1000 }; return Object.entries(time) .filter(val => val[1] !== 0) .map(([key, val]) => `${val} ${key}${val !== 1 ? 's' : ''}`) .join(', '); }; formatDuration(1001); // '1 second, 1 millisecond' formatDuration(34325055574); // '397 days, 6 hours, 44 minutes, 15 seconds, 574 milliseconds'
• Oct 15, 2023 •LeifMessinger
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//Disclaimer: I do not condone mass web scraping of ESPN websites, and this is just theoretical code that hasn't been used. //Scrape player stats off of https://www.espn.com/nfl/team/roster/_/name/phi/philadelphia-eagles //Example player JS object /* { "shortName": "S. Opeta", "name": "Sua Opeta", "href": "http://www.espn.com/nfl/player/_/id/3121009/sua-opeta", "uid": "s:20~l:28~a:3121009", "guid": "dec19157-e984-f981-3724-498281328c97", "id": "3121009", "height": "6' 4\"", "weight": "305 lbs", "age": 27, "position": "G", "jersey": "78", "birthDate": "08/15/96", "headshot": "https://a.espncdn.com/i/headshots/nfl/players/full/3121009.png", "lastName": "Sua Opeta", "experience": 4, "college": "Weber State" } */ //The page needs to be focused, so you have to put this code in a bookmarklet and click the page before clicking it. Allegedly. navigator.clipboard.writeText(JSON.stringify( window["__espnfitt__"].page.content.roster.groups.flatMap((group)=>{ return group.athletes.map((athlete)=>{ //We can assume all football players are above 100 lbs and below 1000 lbs. athlete.weight = parseInt(athlete.weight.substring(0,3)); if(athlete.experience == "R") athlete.experience = 0; else athlete.experience = parseInt(athlete.experience); //We can assume players are at least 1 foot, or under 10 feet tall. athlete.inches = 12 * parseInt(athlete.height.substring(0, 1)); //Add feet in inches athlete.inches += parseInt(athlete.height.substring(2).replaceAll("\"", "").trim()); //Add remaining inches const monthDayYear = athlete.birthDate.split("/"); athlete.birthMonth = parseInt(monthDayYear[0]); athlete.birthDay = parseInt(monthDayYear[1]); athlete.birthYear = parseInt(monthDayYear[2]); //The only really useful stuff we get from this is Height, weight, left handedness, age, position, and birthday return athlete; }); }) , null, "\t")).then(null, ()=>{alert("That failed.")}); //Changes all the team links on this page https://www.espn.com/nfl/stats/team to the team's roster for easier scraping $$("table > tbody > tr > td > div > div > a").forEach((elm)=>{ elm.setAttribute("href", elm.getAttribute("href").replace("team/", "team/roster/")); });
• Mar 11, 2021 •C S
const jwt = require("jsonwebtoken"); const authToken = (req, res, next) => { const token = req.headers["x-auth-token"]; try { req.user = jwt.verify(token, process.env.ACCESS_TOKEN_SECRET); next(); } catch (err) { console.log(err.message); res.status(401).json({ msg: "Error authenticating token" }); } }; module.exports = authToken;