• Nov 19, 2022 •CodeCatch
0 likes • 5 views
const linearSearch = (arr, item) => { for (const i in arr) { if (arr[i] === item) return +i; } return -1; }; linearSearch([2, 9, 9], 9); // 1 linearSearch([2, 9, 9], 7); // -1
• Mar 11, 2021 •C S
0 likes • 3 views
import { configureStore } from "@reduxjs/toolkit"; import { combineReducers } from "redux"; import profile from "./profile"; import auth from "./auth"; import alert from "./alert"; const reducer = combineReducers({ profile, auth, alert, }); const store = configureStore({ reducer }); export default store;
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const longestPalindrome = (s) => { if(s.length === 1) return s const odd = longestOddPalindrome(s) const even = longestEvenPalindrome(s) if(odd.length >= even.length) return odd if(even.length > odd.length) return even }; const longestOddPalindrome = (s) => { let longest = 0 let longestSubStr = "" for(let i = 1; i < s.length; i++) { let currentLongest = 1 let currentLongestSubStr = "" let left = i - 1 let right = i + 1 while(left >= 0 && right < s.length) { const leftLetter = s[left] const rightLetter = s[right] left-- right++ if(leftLetter === rightLetter) { currentLongest += 2 currentLongestSubStr = s.slice(left+1, right) } else break } if(currentLongest > longest) { if(currentLongestSubStr) longestSubStr = currentLongestSubStr else longestSubStr = s[i] longest = currentLongest } } return longestSubStr } const longestEvenPalindrome = (s) => { let longest = 0 let longestSubStr = "" for(let i = 0; i < s.length - 1; i++) { if(s[i] !== s[i+1]) continue; let currentLongest = 2 let currentLongestSubStr = "" let left = i - 1 let right = i + 2 while(left >= 0 && right < s.length) { const leftLetter = s[left] const rightLetter = s[right] left-- right++ if(leftLetter === rightLetter) { currentLongest += 2 currentLongestSubStr = s.slice(left+1, right) } else break } if(currentLongest > longest) { if(currentLongestSubStr) longestSubStr = currentLongestSubStr else longestSubStr = s[i] + s[i+1] longest = currentLongest } } return longestSubStr } console.log(longestPalindrome("babad"))
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const hammingDistance = (num1, num2) => ((num1 ^ num2).toString(2).match(/1/g) || '').length; hammingDistance(2, 3); // 1
• Nov 18, 2022 •AustinLeath
var d = new Date(); var d = new Date(milliseconds); var d = new Date(dateString); var d = new Date(year, month, day, hours, minutes, seconds, milliseconds);
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const dragAndDropDiv = editor.container; dragAndDropDiv.addEventListener('dragover', function(e) { e.stopPropagation(); e.preventDefault(); e.dataTransfer.dropEffect = 'copy'; }); dragAndDropDiv.addEventListener("drop",function(e){ // Prevent default behavior (Prevent file from being opened) e.stopPropagation(); e.preventDefault(); const files = e.dataTransfer.items; // Array of all files console.assert(files.length >= 1); if (files[0].kind === 'file') { var file = e.dataTransfer.items[0].getAsFile(); const fileSize = file.size; const fileName = file.name; const fileMimeType = file.type; reader = new FileReader(); reader.onloadend = function(){ editor.setValue(reader.result); } reader.readAsText(file); }else{ //Maybe handle if text is dropped console.log(files[0].kind); } });