• Nov 19, 2022 •CodeCatch
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const shuffle = ([...arr]) => { let m = arr.length; while (m) { const i = Math.floor(Math.random() * m--); [arr[m], arr[i]] = [arr[i], arr[m]]; } return arr; }; const foo = [1, 2, 3]; shuffle(foo); // [2, 3, 1], foo = [1, 2, 3]
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const euclideanDistance = (a, b) => Math.hypot(...Object.keys(a).map(k => b[k] - a[k])); euclideanDistance([1, 1], [2, 3]); // ~2.2361 euclideanDistance([1, 1, 1], [2, 3, 2]); // ~2.4495
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const copyToClipboard = str => { const el = document.createElement('textarea'); el.value = str; el.setAttribute('readonly', ''); el.style.position = 'absolute'; el.style.left = '-9999px'; document.body.appendChild(el); const selected = document.getSelection().rangeCount > 0 ? document.getSelection().getRangeAt(0) : false; el.select(); document.execCommand('copy'); document.body.removeChild(el); if (selected) { document.getSelection().removeAllRanges(); document.getSelection().addRange(selected); } }; copyToClipboard('Lorem ipsum'); // 'Lorem ipsum' copied to clipboard.
• Jan 26, 2023 •AustinLeath
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function printHeap(heap, index, level) { if (index >= heap.length) { return; } console.log(" ".repeat(level) + heap[index]); printHeap(heap, 2 * index + 1, level + 1); printHeap(heap, 2 * index + 2, level + 1); } //You can call this function by passing in the heap array and the index of the root node, which is typically 0, and level = 0. let heap = [3, 8, 7, 15, 17, 30, 35, 2, 4, 5, 9]; printHeap(heap,0,0)
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const celsiusToFahrenheit = (celsius) => celsius * 9/5 + 32; const fahrenheitToCelsius = (fahrenheit) => (fahrenheit - 32) * 5/9; // Examples celsiusToFahrenheit(15); // 59 celsiusToFahrenheit(0); // 32 celsiusToFahrenheit(-20); // -4 fahrenheitToCelsius(59); // 15 fahrenheitToCelsius(32); // 0
• Nov 16, 2023 •LeifMessinger
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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()); } }