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- Evaluate the following expressions a. foldFromLeft(minus, 6, map(RemoveTwo, [3, 4, 8])) b. foldFromRight(minus, 6, map(RemoveTwo, [3, 4, 8]))JavaScript //6. addButtonListeners //a. Selects all buttons nested inside the main element //b. If buttons exist: //c. Loop through the NodeList of buttons //d. Gets the postId from button.dataset.postId //e. Adds a click event listener to each button (reference addEventListener) //f. The listener calls an anonymous function (see cheatsheet) //g. Inside the anonymous function: the function toggleComments is called with the //event and postId as parameters //h. Return the button elements which were selected //i. You may want to define an empty toggleComments function for now. Not all tests //will pass for addButtonListeners until toggleComments exists. I recommend //waiting on the logic inside the toggleComments function until we get there.//6. addButtonListeners //a. Selects all buttons nested inside the main element //b. If buttons exist: //c. Loop through the NodeList of buttons //d. Gets the postId from button.dataset.postId //e. Adds a click event listener to each button (reference addEventListener) //f. The listener calls an anonymous function (see cheatsheet) //g. Inside the anonymous function: the function toggleComments is called with the //event and postId as parameters //h. Return the button elements which were selected //i. You may want to define an empty toggleComments function for now. Not all tests //will pass for addButtonListeners until toggleComments exists. I recommend //waiting on the logic inside the toggleComments function until we get there.
- Simple Student Management System Build the following app using Python Tkinter library. Using this app, user can • add student information • view all students • search student(s) by name • remove student by id Add • First name, last name, date of birth cannot be blank while adding a specific student information. • However major can be blank, which gets set to "Undefined" if left out blank. • Student Id is automatically generated by the program (ex: 1001, 1002, 1003, 1004 ….) If the user keeps a mandatory field blank (ex: First name) and presses "Add Student" button, it displays the following message box: first name is required If the user successfully enters all the necessary information and presses the "Add Student" button, it displays the following confirmation message box: student added View All When the user presses the "View All" button, it displays all the student’s information (Id, First name, Last name, Date of birth, and Major) in a nice formatted way. Example below: • Must…# Create Custom Transformer Create a custom transformer, just as we did in the lecture video entitled "Custom Transformers", that performs two computations: 1. Adds an attribute to the end of the numerical data (i.e. new last column) that is equal to $\frac{x_1^3}{x_5}$ for each observation. In other words, for each instance, you will cube the $x_1$ column and then divide by the $x_5$ column. 2. Drops the entire $x_4$ feature column if the passed function argument `drop_x4` is `True` and doesn't drop the column if `drop_x4` is `False`. (See further instructions below.) You must name your custom transformer class `Assignment4Transformer`. Your class should include an input parameter called `drop_x4` with a default value of `True` that deletes the $x_4$ feature column when its value is `True`, but preserves the $x_4$ feature column when you pass a value of `False`. This transformer will be used in a pipeline. In that pipeline, an imputer will be run *before* this transformer. Keep…TaskGiven an integer, , and space-separated integers as input, create a tuple, , of those integers. Then compute and print the result of . Note: hash() is one of the functions in the __builtins__ module, so it need not be imported. Input Format The first line contains an integer, , denoting the number of elements in the tuple.The second line contains space-separated integers describing the elements in tuple . Output Format Print the result of hash(t). Sample Input 0 21 2 Sample Output 0 3713081631934410656
- C++ Please explain the code below. It doesn't have to be long, as long as you explain what the important parts of your code do. You can also explain it line by line for best ratings. Thank you so much! #include <iostream>#include "linkedlist.h" void bubbleSort(List*);void selectionSort(List*);void insertionSort(List*); int main(void) { char li; cin >> li; List* list; if (li == 'A') { list = new ArrayList(); } else { list = new LinkedList(); } int length; cin >> length; int input; for (int i = 0; i < length; i++) { cin >> input; list->add(input); } list->print(); char sym; cin >> sym; switch (sym) { case 'B': bubbleSort(list); break; case 'I': insertionSort(list); break; case 'S': selectionSort(list); break; } return 0;}; //Perform two of three sorting algorithms here.//Reminder: Do not use methods…This is a PHP code that generates a random number. It's supposed to check if my database already has that number generated. If it does, it generates another number. Else it stops. I am having difficulty figuring the errors out. <?php $CRN = rand(1000000, 9999999); $result = $pdo->query('SELECT * FROM class'); while($row = $result->fetch(PDO::FETCH_ASSOC)) { if($row["CRN"] == $CRN) { generate($pdo); } else echo $row["CRN"]; function generate($pdo) { $CRN = rand(1000000, 9999999); determine($pdo, $CRN); } function determine($pdo, $CRN) { $result = $pdo->query('SELECT *, count(CRN) FROM class WHERE CRN = '.$CRN); while($row = $result->fetch(PDO::FETCH_ASSOC)) {…Q2. Using comments on each line, generate the complete object code for the following SIC-XCprogram. NB: LDX = 04 LDA = 00 LDB = 68 STA = OC ADD = 18 TIX = 2C JLT = 38 RSUB = 4C Label Mnemonic OperandSUM START 0 LDX #0 LDA #0 +LBA #TABLE2 BASE TABLE2LOOP ADD TABLE, X ADD TABLE2, X TIX COUNT JLT LOOP +STA LOOP RSUB COUNT RESW 1TABLE RESW 2000TABLE2 RESW…
- Select distinct a.CUST_FNAME, a.CUST_LNAME, a.CUST_STREET, a.CUST_CITY, a.CUST_STATE, a.CUST_ZIP from LGCUSTOMER a, LGBRAND b, LGPRODUCT c, LGINVOICE d, LGLINE e Where a.CUST_CODE = d.CUST_CODE And b.BRAND_ID = c.BRAND_ID And d.INV_NUM = e.INV_NUM And c.PROD_SKU = e.PROD_SKU And b.BRAND_NAME = 'Foresters Best' And PROD_CATEGORY = 'Top Coat' And d.INV_DATE > '2017/07/15' And d.INV_DATE < '2017/07/31' Order By a.CUST_STATE, a.CUST_LNAME, a.CUST_FNAME; However it is not ordered correctly? Write a query to display the first name, last name, street, city, state, and zip code of any customer who purchased a Foresters Best brand top coat between 2017-7-15, and 2017-7-31. If a customer purchased more than one such product, display the customer’s information only once in the output. Sort the output by state, last name, and then first nameCHALLENGE ACTIVITY 5.10.2: Simon says Simon Says" is a memory game where "Simon" outputs a sequence of 10 characters (R, G, B, Y) and the user must repeat the sequence. Create a for loop that compares the two strings starting from index 0. For each match, add one paint to userScore. Upon a mismatch, exit the loop using a break statement Assume simon Pattern and userPattern are always the same length. Ex The following patterns yield a userScore of 4: simonPattern: RRGBRYYBGY userPattern: RRGBBRYBGY Learn how our autograde works 13 14 simonPattern- scnr.next(); userPattern - scnr.nextO: 15 16 17 for (i=0; i<10; i++) { 18 if O[ simornPattern: 19 20 21 if ( 22 23 24 userPattern: 25 26 returns System.out.println("userScore: userScore); 매매def upgrade_stations(threshold: int, num_bikes: int, stations: List["Station"]) -> int: """Modify each station in stations that has a capacity that is less than threshold by adding num_bikes to the capacity and bikes available counts. Modify each station at most once. Return the total number of bikes that were added to the bike share network. Precondition: num_bikes >= 0 >>> handout_copy = [HANDOUT_STATIONS[0][:], HANDOUT_STATIONS[1][:]] >>> upgrade_stations(25, 5, handout_copy) 5 >>> handout_copy[0] == HANDOUT_STATIONS[0] True >>> handout_copy[1] == [7001, 'Lower Jarvis St SMART / The Esplanade', \ 43.647992, -79.370907, 20, 10, 10] True """