• Mar 22, 2022 •LeifMessinger
0 likes • 3 views
//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"; } }
• Oct 15, 2022 •CodeCatch
2 likes • 11 views
var invertTree = function(root) { const reverseNode = node => { if (node == null) { return null } reverseNode(node.left); reverseNode(node.right); let holdLeft = node.left; node.left = node.right; node.right = holdLeft; return node; } return reverseNode(root); };
• Nov 19, 2022 •CodeCatch
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
0 likes • 4 views
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(); } }
0 likes • 5 views
function Welcome(props) { return <h1>Hello, {props.name}</h1>; } function App() { return ( <div> <Welcome name="Sara" /> <Welcome name="Cahal" /> <Welcome name="Edite" /> </div> ); } ReactDOM.render( <App />, document.getElementById('root') );
• Nov 16, 2023 •LeifMessinger
0 likes • 9 views
function filePath(file){ let folders = file.getParents(); const parents = []; function makePathString(folderArray){ let path = ""; folderArray.forEach((folder)=>{ path += "/" + folder.getName(); }); return path; } while (folders.hasNext()) { const folder = folders.next(); //This should hopefully remove that folder from the iterator parents.unshift(folder); } return makePathString(parents); } function myFunction() { const myEmail = Session.getEffectiveUser().getEmail(); Logger.log("My email is " + myEmail); // Log the name of every file in the user's Drive. var fileIterator = DriveApp.getFiles(); const files = []; //List of [File, size] entries const filesMaxSize = 10; while (fileIterator.hasNext()) { var file = fileIterator.next(); const owner = file.getOwner(); //Only files I own if((!(owner)) || (!(owner.getEmail)) || owner.getEmail() != myEmail){ continue; } const entry = [file, file.getSize()]; function slideUp(arr, index){ //Let's keep sliding it up so we don't have to sort it at the end. for(let i = index; i > 0; --i){ //Stops at 1 const nextFile = arr[i-1]; if(nextFile[1] > entry[1]){ break; }else{ //Swap with the next file to slide the file up const temp = arr[i]; arr[i] = arr[i - 1]; arr[i - 1] = temp; } } } if(files.length < filesMaxSize){ files.push(entry); slideUp(files, files.length - 1); }else{ if(entry[1] > files[files.length - 1][1]){ //If it's bigger than the smallest file in the list. files[files.length - 1] = entry; //Replace the smallest file slideUp(files, files.length - 1); //Slide it up } } } for(let i = 0; i < filesMaxSize; ++i){ const file = files[i][0]; const size = files[i][1]; Logger.log(size + "\t" + filePath(file) + "/" + file.getName() + "\t" + file.getOwner().getName()); } }