Please no written by hand solutions Please answer and explain the two questions below, one multiple choice one free response: 1) What causes a component to re-render? A) The reconciliation algorithm runs when props or state change. B) useEffect tracking a useState pointer. C) It will always re-render when the user fires an event handler. D) Whenever you invoke a useState setter function. E) Whenever you invoke a useState setter function with a new ref in memory. F) useEffect will automatically re-render the component. 2) What is prop drilling, and how does React Context help remedy this? (free response)

Please no written by hand solutions Please answer and explain the two questions below, one multiple choice one free response: 1) What causes a component to re-render? A) The reconciliation algorithm runs when props or state change. B) useEffect tracking a useState pointer. C) It will always re-render when the user fires an event handler. D) Whenever you invoke a useState setter function. E) Whenever you invoke a useState setter function with a new ref in memory. F) useEffect will automatically re-render the component. 2) What is prop drilling, and how does React Context help remedy this? (free response)

LINUX+ AND LPIC-1 GDE.TO LINUX CERTIF.

5th Edition

ISBN:9781337569798

Author:ECKERT

Publisher:ECKERT

Chapter7: Working With The Bash Shell

Section: Chapter Questions

Problem 3RQ

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A client with a completed main function is provided. The main function should not be modified. You must update the client by creating and implementing the various functions described below. readFile – Loads the parameter array with Billionaire objects. The data for each Billionaire is read from the given data file which is in CSV format (comma delimited - 1 line per record with fields separated by a comma.) The function should read each line from the file, pass the line read to the Billionaire class constructor and store the resulting object in the parameter array. The second parameter represents the maximum number of Billionaire objects that can be stored. displayAll - Displays a list of the Billionaires stored in the array. getRange – Determines the smallest wealth value and the largest wealth value within the array. These values are returned to the caller via reference parameters. getWealthiest – Returns the Billionaire within the array with the greatest wealth. getUS –…
I asked this question before but the code i recived had a error in it. error is raceback (most recent call last):File "/Users/komalpreet/Documents/lab 16 part 2.py", line 41, in <module>print ("You have %i items in your cart for a total of $%.02f" % (myCart.get_num_items(), myCart.get_total()))File "/Users/komalpreet/Documents/lab 16 part 2.py", line 25, in get_totalprice = item.get_price()AttributeError: 'Item' object has no attribute 'get_price'>>> and code is class Item:def __init__(self, item_id, name, brand, price):self.item_id = item_idself.name = nameself.brand = brandself.price = price def get_id(self):return self.iddef get_price(self):return self.pricedef get_name(self):return self.namedef get_brand(self):return self.brand class Cart:def __init__(self):self.List = []def add_item(self, item):self.List.append(item)def get_total(self):total = 0.0for item in self.List:price = item.get_price()total = total + price return totaldef get_num_items(self):return…
QUESTION PROVIDED IN ATTACH IMAGE KINDLY SEE. AND BELOW TEMPLATES PROVIDED CHECK THIS BEFORE MAKING SOLUTION ( main.cpp , Address.cpp , donor.cpp ) ----------------Template Below ---------------- main.cpp template #include <iostream>#include<string.h>#include "Donor.cpp"using namespace std; int main(){ //Fill your code } donor.cpp template #include <iostream>#include<string.h>#include "Address.cpp"using namespace std; class Donor{public:string name;int age;float height;float weight;Address address;void displayDetails(){//Fill your code}}; Address.cpp template #include <iostream>#include<string.h>using namespace std; class Address{public:string street;string city;string state;string country;};
What happens if the programmer removes the member function getBalance (), and instead substitutes it with sac. getBalance() in conjunction with sac.balance inside the displayBalance instruction? Why? You will need to make the appropriate adjustments to the application so that it can continue to run once these changes have been made.
Add a new endpoint to your API Use Promises and setTimeout to make all of your functions asynchronous. The endpoint will be /specialOperation This endpoint will take the parameters: length, width, and grade It will asynchronously (with your utility module) get the grade result and rectangle result. It will look something like this: {"gradeStats":{"average":86.25,"minimum":73,"maximum":97},"rectangle":{"area":8,"perimeter":12}} Use promises (obvi). Notes Do not make your utility module functions take an entire req object. const express = require("express"); const session = require("express-session"); const dotenv = require("dotenv"); dotenv.config(); const app = express(); app.use(session({ secret:"secret-key", resave: false, saveUninitialized: false, })); app.use((req, res, next) => { if (!req.session.commandCount) { req.session.commandCount = 0; } if (!req.session.lastCommand) { req.session.lastCommand = ""; } next();…
Please, I need help with this assignment, please. I pasted the HTML file and JavaScript file at the bottom of the instruction. Thank you so much. Murach's JavaScript and jQuery 4th edition by MARY DELAMATER (Chapter 12) Develop a password generatorIn this exercise, you’ll develop an application that generates strong passwords of the length entered by the user.1. In the JavaScript file, note the getRandomNumber() function. Also, note that the ready event handler contains the handler for the click event of the Get Password button and the handler for the click event of the Clear button. The handler for the Get Password button clears the password text box and has a constant named chars that contains some characters. The handler for the Clear button resets the text boxes and moves the focus to the first text box.2. In the handler for the Get Password button, get the value entered by the user and make sure it’s a number. If it isn’t, display an alert dialog box with this message: “Please…
For this assignment *c++ & no ifstream, you need to build a class that contains basic information about students and courses that have those students on the roster. You also need to build a menu that supports basic CRUD functionality for those courses. The requirements are as follows: The student class should contain the following data about a student: Name (dynamic char array) Classification (char) Major (dynamic char array) StudentId (can be an int or a dynamic char array) The course class should contain the following data about a course: Course Name (dynamic char array) Course Code (char array of size 7) Location (char array of size 10) Roster (dynamic student array) The menu program should act as a driver program that manages a dynamically allocated array of courses and allows the user to: Add a course to the list Add students to a course Update a course to change any of the data above including edits to students or adding/removing students from the roster List courses…
Exclude any existing source code files that may already be in your IDE project and add a new onenamed C2A1E5_ResizeAlloc.c. Also add instructor-supplied source code file C2A1E5_main-Driver.c. Donot write a main function! main already exists in the instructor-supplied file and it will use the code youwrite. File C2A1E5_ResizeAlloc.c (I used 8 lines of code but you don’t have to match or beat that.)must contain the definition of a function named ResizeAlloc that returns type “pointer to void”and has three parameters. The first is named pOld and is of type “pointer to void” while the secondand third are named newSize and oldSize, respectively, and are both of type size_t.ResizeAlloc either dynamically allocates an entirely new block of memory containing newSizebytes or, in effect, resizes an existing block in pOld containing oldSize bytes to contain newSizebytes. When resizing occurs all existing data that will fit into newSize bytes will be preserved.ResizeAlloc may not call calloc or…
Create three files: ItemToPurchase.h - Class declaration ItemToPurchase.cpp - Class definition main.cpp - main() function Build the ItemToPurchase class with the following specifications: Default constructor Public class functions (mutators & accessors) setName() & name() setPrice() & price() setQuantity() & quantity() Private data members string _name - Initialized in default constructor to "none" int _price - Initialized in default constructor to 0 int _quantity - Initialized in default constructor to 0 (Step 2) Extend the ItemToPurchase class per the following specifications: Parameterized constructor to assign item name, item description, item price, and item quantity (default values of 0). Public member functions setDescription() mutator & description() accessor printItemCost() - Outputs the item name followed by the quantity, price, and subtotal printItemDescription() - Outputs the item name and description Private data members string…
Instruction: Please write this code in javascript and let me know if there is an issue. Can you post the output together please? 1. You are to create ONE JavaScript file which must be named -problems.js, where STUDENT_ID represents your student number. 2. The implementation for your 5 JavaScript functions must be completed within your - problems.js file. 3. Your JavaScript functions file must be configured for strict mode (“use strict”) The pages that follow provide the description of the 5 JavaScript functions that you must implement Questions 1. Description a). You are to develop a JavaScript file (problems.js) that contains the implementation of 5functions. Each function is represented as one step,b). Each function is independent and solves a unique problem, as such, treat and implement each function in isolation of the others, that is, you should only focus on one problem at a time. 2). Objective • Write decision-making statements and control structures to solve problems• Apply…
Can you please help do this? First, create a new file in the PyCharm integrated development environment (IDE), title it "TextBasedGame.py," and include a comment at the top with your full name. As you develop your code, remember that you must use industry standard best practices including in-line comments and appropriate naming conventions to enhance the readability and maintainability of the code. In order for a player to navigate your game, you will need to develop a function or functions using Python script. Your function or functions should do the following: Show the player the different commands they can enter (such as "go North", "go West", and "get [item Name]"). Show the player's status by identifying the room they are currently in, showing a list of their inventory of items, and displaying the item in their current room. My Theme: Alien Encounters You are a space trooper on a routine mission when suddenly an alien intruder breaches the ship cutting off the lights,…
Calculate 2nd element of ??=[?,??,??,??] divided by 1st element of ??=[?,??,??,??]. Use two def and return commands instead of indexing. Print the result and store it as a variable (float or integer).