With a ListBox of numbers, the SelectedItem property returns Select one: a. the one selected in an int or double format. b. the index of the one selected. O C. an object representing the one selected. O d. a string representing the one selected.
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- hello, below i done a coding on visual studios but theres an error that keeps showing which is underlined and bold below, can you fix this? class Program { static void Main(string[] args) { List<String> nameList = new List<String>(); int choice; do { DisplayMenu(); choice = Convert.ToInt32(Console.ReadLine()); switch (choice) { case 1: { // if user enters option 1 Console.WriteLine("\nShow Names:\n-----------"); DisplayAllNames(nameList); break; } case 2: { // if user enters option 2 Console.WriteLine("\nAdd Name:\n---------"); AddName(nameList);…Which statement demonstrates an appropriate method for storing data in a multi-line-length text string in JavaScript? a. let message = /* "Pretend this is a very long text string."; b. let message = "Pretend this is a very long //text string."; c. let message = "Pretend this is a very long" +" text string."; d. let `message` = 'Pretend this is a very long text string.'; Clear my choiceIn Racket, which of the following contains (or is by itself) a call of a selector for the defined movie struct? (Select all that apply)A) (make-movie "Beauty and the Beast" "Gary Trousdale" 92 true)B) (movie-dvd? LION)C) (check-expect (movie-length TOY) 81)D) (movie? 81) (define-struct movie (title director length dvd?)); a Textbook is a (make-book String String Natural Boolean); interp: a movie where; title is the movie’s title; director is the name of the movies’s director; length is the length of the movie in minutes; dvd? is whether the movie is available in dvd format (if true)(define TOY (make-movie “Toy Story" "John Lasseter" 81 true))(define LION (make-movie "The Lion King" "Rob Minkoff" 89 false))
- Many user-created passwords are simple and easy to guess. Write a program that takes a simple password and makes it stronger by replacing characters using the key below, and by appending "q*s" to the end of the input string. You may assume that the string does not contain spaces and will always contain less than 50 characters. i becomes ! a becomes @ m becomes M B becomes 8 o becomes . Language is CMany user-created passwords are simple and easy to guess. Write a program that takes a simple password and makes it stronger by replacing characters using the key below, and by appending "!" to the end of the input string. i becomes 1 a becomes @ m becomes M B becomes 8 s becomes $ Ex: If the input is: mypassword the output is: Myp@$$word! word = input()password = '' ''' Type your code here. '''this is my code, but after automatically check it, it shows smt went wrong(image one) image two is the spec for nextTweet and below is my code, since it's the system automatically check the code, I dont really have a textcases. plz debug it and fix it. show the screenshot of the code when u finish. thanks import java.util.*;import java.io.*; public class TweetBot { private List<String> tweets; private int index; public TweetBot(List<String> tweets){ if(tweets.size() < 1){ throw new IllegalArgumentException("need contain at least one tweet!"); } this.tweets = new ArrayList<>(tweets); } public int numTweets(){ return tweets.size(); } public void addTweet(String tweet) { tweets.add(tweet); if (tweets.size() == 1) { // if the tweet was the first one added, set the index to 0 index = 0; } } public String nextTweet() { if (tweets.size() == 1) {…
- in python In Ana's theater, each chair is labeled with a letter followed by an integer. Given integers num_rows and num_columns, output the label for each chair, followed by a space. End each row with a newline.There are small examples online of programs written in Go. Go (no pun intended!) to http://golang.org and in the Examples drop-down box below the code window, select Fibonacci Closure. Click Pop Out to get a bigger window to see the code. The Fibonacci sequence is a famous sequence of numbers invented by Leonardo Fibonacci in the year 1202 to model the population growth of rabbits. The first two numbers in the sequence are 1, 1. Successive numbers in the sequence are obtained by adding the two previous numbers. For example, the third Fibonacci number is the sum of the first two Fibonacci numbers, . Write the first six numbers in the Fibonacci sequence. Compile and run the Fibonacci Closure Go program. What is the output? Some of the Go syntax is similar to C/C++. How does Go indicate comments? One bit of C/C++ syntax is missing from Go. On the FAQ page, what does it say about ending statements with semicolons? Can you guess the semantics (meaning) of the following statement?…How to fix this code to work... from tkinter import *from tkinter import ttkfrom tkinter import messagebox class Student: def __init__(self, id, fn, ln, dob, m='undefined'): self.id = id self.firstName = fn self.lastName = ln self.dateOfBirth = dob self.major = m list_of_student = []window = Tk()window.geometry("800x750")window.title("Simple Student Management System")list_of_students = []id = 1001 def add_student(): global list_of_students global id if FirstnameEntry.get() =='': messagebox.showerror('erorr', "First name is required") return if LastnameEntry.get() =='': messagebox.showerror('erorr', "Last name is required") return if DateofbirthEntry.get() =='': messagebox.showerror('erorr', "Date of Birth is required") return if MajorEntry.get() =='': instance = Student(id, FirstnameEntry.get(), LastnameEntry.get(), DateofbirthEntry.get()) else: instance = Student(id, FirstnameEntry.get(), LastnameEntry.get(),…
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