Code a JavaScript callback function for the Array.reduce method to evaluate an array of strings determine the longest string return the longest string Note: if there are two or more strings that are the longest, the function is to return the second last one.
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QUESTION 20
Code a JavaScript callback function for the Array.reduce method to
- evaluate an array of strings
- determine the longest string
- return the longest string
Note: if there are two or more strings that are the longest, the function is to return the second last one.
Step by step
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- There may be extra spaces or formatting characters at the start or end of a string when interacting with a string object. Spaces and other characters can be taken out of either end of a string using the Trim and TrimEnd methods. You can provide a character or an array of characters to cut. If you give an array of characters, the string will be cut if any of the characters are found in the array.To remove spaces from the start and end of a group of string values, write a C# programme:1Code a JavaScript callback function for the Array.map method to ('Yu Yamaguchi') evaluate an array of integersidentify the integers that are Prime numbersreturn the Prime numbers in the new array 2 Code a JavaScript callback function for the Array.reduce method to evaluate an array of integersdetermine the smalles integerreturn the smalles integer Note: if there are identical integers, the function is to return the last one.20- $footboll=array(); is an example of: a. boolean b. None c. function d. empty array
- Using jGRASP please de-bug this /**This program demonstrates an array of String objects.It should print out the days and the number of hours spent at work each day.It should print out the day of the week with the most hours workedIt should print out the average number of hours worked each dayThis is what should display when the program runs as it shouldSunday has 12 hours worked.Monday has 9 hours worked.Tuesday has 8 hours worked.Wednesday has 13 hours worked.Thursday has 6 hours worked.Friday has 4 hours worked.Saturday has 0 hours worked.Highest Day is Wednesday with 13 hours workedAverage hours worked in the week is 7.43 hours*/{public class WorkDays{public static void main(String[] args){String[] days = { "Sunday", "Monday", "Tuesday","Wednesday", "Thursday", "Friday", "Saturday"}; int[] hours = { 12, 9, 8, 13, 6, 4}; int average = 0.0;int highest = 0;String highestDay = " ";int sum = 0; for (int index = 0; index < days.length; index++){System.out.println(days[index] + " has "…Counting hashtags Write Python code to count the frequency of hashtags in a twitter feed. Your code assumes a twitter feed variable tweets exists, which is a list of strings containing tweets. Each element of this list is a single tweet, stored as a string. For example, tweets may look like: tweets = ["Happy #IlliniFriday!", "It is a pretty campus, isn't it, #illini?", "Diving into the last weekend of winter break like... #ILLINI #JoinTheFight", "Are you wearing your Orange and Blue today, #Illini Nation?"] Your code should produce a sorted list of tuples stored in hashtag_counts, where each tuple looks like (hashtag, count), hashtag is a string and count is an integer. The list should be sorted by count in descending order, and if there are hashtags with identical counts, these should be sorted alphabetically, in ascending order, by hashtag. From the above example, our unsorted hashtag_counts might look like: [('#illini', 2), ('#jointhefight', 1),…A left rotation operation on an array of size shifts each of the array's elements unit to the left. Given an integer, , rotate the array that many steps left and return the result. Example After rotations, . Function Description Complete the rotateLeft function in the editor below. rotateLeft has the following parameters: int d: the amount to rotate by int arr[n]: the array to rotate Returns int[n]: the rotated array Input Format The first line contains two space-separated integers that denote , the number of integers, and , the number of left rotations to perform.The second line contains space-separated integers that describe . Constraints Sample Input 5 4 1 2 3 4 5 Sample Output 5 1 2 3 4 Explanation To perform left rotations, the array undergoes the following sequence of changes:
- param data * @return true if all items of the array are positive (more than 0), false otherwise. * return false if the array is null. */ public boolean allPositives(int[] data) without using functionsArea code processing In US, long distance phone call is made by dialing the three digits area code first, followed by 7 digits phone number The following is a list of some US area code using JavaScript code (not the most current. There are more) var AreaCode=new Array(205,251,659,256,334,907,403,780,264,268,520,928,480,602,623,501,479,870,242,246,441, 250,604,778,284,341,442,628,657,669,747,752,764,951,209,559,408,831,510,213,310,424,323,562,707,369,627, 530,714,949,626,909,916,760,619,858,935,818,415,925,661,805,650,600,809,345,670,211,720,970,303,719,203, 475,860,959,302,411,202,767,911,239,386,689,754,941,954,561,407,727,352,904,850,786,863,305,321,813,470, 478,770,678,404,706,912,229,710,473,671,808,208,312,773,630,847,708,815,224,331,464,872,217,618,309,260,317, 219,765,812,563,641,515,319,712,876,620,785,913,316,270,859,606,502,225,337,985,504,318,318,204,227,240,443, 667,410,301,339,351,774,781,857,978,508,617,413,231,269,989,734,517,313,810,248,278,586,679,947,906,616,320,…Part A: Setup your Business 1. Create a new Java file called ITSC1212Lab13.java: a. Make sure you have a main method 2. Start by deciding the following and putting them into your file as comments: a. The name of your food service (if in doubt, just add your name and add something to the end like "Deli" or "Pizza Shack" or "Food Cart" - note that it should be the kind of service that aligns with the food you want to serve... Example: // "Dr. Wilson's Trini Delights" b. 10 products that you'll have on your menu. Example: // 1) chicken roti, 2) doubles, 3) pelau, 4) aloo pie, 5) rum punch ... You can go over 10 if you want, but don't go nuts. 3. Set up your application. Page 1 of 4 a. Include the code to prompt the user for their name and then greet them by their name. You should know how to do this, but if you don't, here's the code. Don't copy it, as that may not work. Type it in. Then test until everything works nicely. I import java.util.*; I Scanner console = new Scanner (System.in);…
- Prompt: In Python language, wrte a function that applies the logistic sigmoid function to all elements of a NumPy array. Code: import numpy as np import math import matplotlib.pyplot as plt import pandas as pd def sigmoid(inputArray): modifiedArray = np.zeros(len(inputArray)) #YOUR CODE HERE: return(modifiedArray) def test(): inputs = np.arange(-100, 100, 0.5) outputs = sigmoid(inputs) plt.figure(1) plt.plot(inputs) plt.title('Input') plt.xlabel('Index') plt.ylabel('Value') plt.show() plt.figure(2) plt.plot(outputs,'Black') plt.title('Output') plt.xlabel('Index') plt.ylabel('Value') plt.show() test()Arrays: create an array of a given type and populate its values. Use of for loop to traverse through an array to do the following : to print the elements one by one, to search the array for a given value. ArrayList: create an ArrayList containing elements of a given type . Use some of the common ArrayList methods to manipulate contents of the ArrayList. Write methods that will take an ArrayList as its parameter/argument ; and/or return an ArrayList reference variable as its return type. Searching for an object in an Array: Loop through the ArrayList to extract each object and to check if this object’s attribute has a given value. Explain how and why interfaces are used in Java Collection Framework. Explain the major differences between a Stack and a Queue. Be able to use stack and queue methods. What is meant by O(N) notation? Express the complexity of a given code using the O(N) notation.1. Shift Left k Cells Use Python Consider an array named source. Write a method/function named shiftLeft( source, k) that shifts all the elements of the source array to the left by 'k' positions. You must execute the method by passing an array and number of cells to be shifted. After calling the method, print the array to show whether the elements have been shifted properly. Example: source=[10,20,30,40,50,60] shiftLeft(source,3) After calling shiftLeft(source,3), printing the array should give the output as: [ 40, 50, 60, 0, 0, 0 ]