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const longestPalindrome = (s) => {if(s.length === 1) return sconst odd = longestOddPalindrome(s)const even = longestEvenPalindrome(s)if(odd.length >= even.length) return oddif(even.length > odd.length) return even};const longestOddPalindrome = (s) => {let longest = 0let longestSubStr = ""for(let i = 1; i < s.length; i++) {let currentLongest = 1let currentLongestSubStr = ""let left = i - 1let right = i + 1while(left >= 0 && right < s.length) {const leftLetter = s[left]const rightLetter = s[right]left--right++if(leftLetter === rightLetter) {currentLongest += 2currentLongestSubStr = s.slice(left+1, right)} else break}if(currentLongest > longest) {if(currentLongestSubStr) longestSubStr = currentLongestSubStrelse longestSubStr = s[i]longest = currentLongest}}return longestSubStr}const longestEvenPalindrome = (s) => {let longest = 0let longestSubStr = ""for(let i = 0; i < s.length - 1; i++) {if(s[i] !== s[i+1]) continue;let currentLongest = 2let currentLongestSubStr = ""let left = i - 1let right = i + 2while(left >= 0 && right < s.length) {const leftLetter = s[left]const rightLetter = s[right]left--right++if(leftLetter === rightLetter) {currentLongest += 2currentLongestSubStr = s.slice(left+1, right)} else break}if(currentLongest > longest) {if(currentLongestSubStr) longestSubStr = currentLongestSubStrelse longestSubStr = s[i] + s[i+1]longest = currentLongest}}return longestSubStr}console.log(longestPalindrome("babad"))
const MongoClient = require('mongodb').MongoClient;const assert = require('assert');// Connection URLconst url = 'mongodb://localhost:27017';// Database Nameconst dbName = 'myproject';// Use connect method to connect to the serverMongoClient.connect(url, function(err, client) {assert.equal(null, err);console.log("Connected successfully to server");const db = client.db(dbName);client.close();});
// Vanilla JS Solution:var app = document.getElementById('app');var typewriter = new Typewriter(app, { loop: true });typewriter.typeString("I'm John and I'm a super cool web developer").pauseFor(3000).deleteChars(13) // "web developer" = 13 characters.typeString("person to talk with!") // Will display "I'm John and I'm a super cool person to talk with!".start();// React Solution:import Typewriter from 'typewriter-effect';<Typewriteroptions={{ loop: true }}onInit={typewriter => {typewriter.typeString("I'm John and I'm a super cool web developer").pauseFor(3000).deleteChars(13) // "web developer" = 13 characters.typeString("person to talk with!") // Will display "I'm John and I'm a super cool person to talk with!".start();}}/>
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 iteratorparents.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] entriesconst filesMaxSize = 10;while (fileIterator.hasNext()) {var file = fileIterator.next();const owner = file.getOwner();//Only files I ownif((!(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 1const nextFile = arr[i-1];if(nextFile[1] > entry[1]){break;}else{//Swap with the next file to slide the file upconst 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 fileslideUp(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());}}
import { createSlice } from "@reduxjs/toolkit";const alert = createSlice({name: "alert",initialState: {msg: "",status: "",},reducers: {set_alert: (state, action) => {return {...state,msg: action.payload.msg,status: action.payload.status,};},clear_alert: (state, action) => {return {...state,msg: "",status: "",};},},});export default alert.reducer;const { set_alert, clear_alert } = alert.actions;export const setAlert = (msg, status) => dispatch => {dispatch(set_alert({ msg, status }));setTimeout(() => dispatch(clear_alert()), 4000);};export const clearAlert = () => dispatch => {dispatch(clear_alert());};
// Get the text that the user has selectedconst getSelectedText = () => window.getSelection().toString();getSelectedText();