+stream fp; item produc; void save_item() { fp.open("database.dat", ios::outlios::app); produc.create_item(); fp.write((char*) & produc, sizeof(item)); fp.close(); cout << endl << endl << "Item Successfully Registered!"; getchar(); }
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- C++ Write a program that will allow a user to enter students into a database. The student information should include full name, student ID, GPA and status. The program should allow delete any student based on student ID.struct insert_into_hash_table { // Function takes a constant Book as a parameter, inserts that book indexed by // the book's ISBN into a hash table, and returns nothing. void operator()(const Book& book) { ///// /// TO-DO (8) ||||. // Write the lines of code to insert the key (book's ISBN) and value // ("book") pair into "my_hash_table". /// END-TO-DO (8) // } std::unordered_map& my_hash_table; };C++ Write a program that will allow a user to enter students into a database. The student information should include full name, student ID, GPA and status. The program should allow delete any student based on student ID. You may not use a vecto or an array only the list function.
- 4. Movie Store System This is a system for selling and buying DVDs and videos of movies. There will be three types of users. First the regular customers, they can access the database of DVDs and videos with different types of search. Second there is a group of users that can post DVDs or/and videos to be sold. These users have access to add movies to the database, so that regular customers can search for these movies. When the customer has finished searching for a DVD and/or a video he/she can communicate a message to the seller in order to buy the product from him. The third class of user is the administrator; this user will be in charge of administrating the database and users. The administrator will be in charge of giving and revoking selling privileges to regular customers so that they are able to add videos and DVDs in the database. Use Visual Paradigm to answer the above question with following four UML diagrams: UML Diagram to be used: USE CASE (For Documentation), Class Diagram…Data structures dict_from_string(dict_str:str)->dict This function will be given a single parameter, a string representing a dictionary. Your job is to convert the string into an actual dictionary and return the dictionary. Make sure all key-value pairs in the string exist in the newly created dictionary. The string will contain only numbers or single letters as key values pairs. Make sure all letters are kept as strings and all numbers are converted to integers in the newly created dictionary. Example: String Input: '{9: 'V', 'G': 0, 'M': 9, 'u': 3, 2: 'o', 8: 'u', 'q': 9, 'D': 1}' Expected: {9: 'V', 'G': 0, 'M': 9, 'u': 3, 2: 'o', 8: 'u', 'q': 9, 'D': 1} String Input: '{10: 'D', 1: 'Z', 5: 'a'}' Expected: {10: 'D', 1: 'Z', 5: 'a'} String Input: '{'M': 2, 'V': 0, 3: 'x', 6: 'J', 5: 'J', 7: 'T', 8: 'P', 4: 'q', 1: 'h'}' Expected: {'M': 2, 'V': 0, 3: 'x', 6: 'J', 5: 'J', 7: 'T', 8: 'P', 4: 'q', 1: 'h'} String Input: '{3: 'D', 10: 'T', 7: 'm', 'u': 9, 't': 5, 6: 'Z', 'H': 10, 'B':…A "generic" data structure cannot use a primitive type as its generic type. O True False
- Data Structures (Code in Python) Create Node and LinkedList and create a function which can add items (Ice cream, Fried Chicken, etc ) in LinkedList and then create function which can delete items from LinkedList by names{ String str = tf5.getInt("ID"); Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver"); Connection con = DriverManager.getConnection("jdbc:sqlserver://NOMBUSO1806:1433;databaseName= Employee ATM", "NOMBUSO1806", "mysql1234"); // write your database username and password PreparedStatement st = con.prepareStatement("select * from Employees where ID=?"); // Search with ATM ID st.setString(1, str); ResultSet rs = st.executeQuery(); // Excuting Query if (rs.next()) { String s = rs.getString(1); String s1 = rs.getString(2); String s2 = rs.getString(3); // Sets Records in TextFields. tf1.setText(s); tf2.setText(s1); tf3.setText(s2); my getInt() is throwing an error that the method is not found. what should i do?void HandleStuff( CORP_DATA & inputRec, int crntQtr, EMP_DATA empRec, double & estimRevenue, double ytdRevenue, int screenX, int screenY, COLOR_TYPE & newColor, COLOR_TYPE & prevColor, statusType & status, int expenseType ) int i; for(i { = 0; i<100 ;i++) inputRec.revenue[i] inputRec.expense[i] = 0; = corpExpense[ crntQtr ][i]; } UpdateCorpDatabase(empRec); estimRevenue = YtdRevenue *4.0 / (double) crntQtr; newColor = prevColor; status = SUCCESS; if(expenseType == 1){ for(i = 0;i<12;i++){ profit[i] = revenue[i] } } else if(expenseType == 2) expense.type1[i]; { profit[i] = revenue[i] } expense.type2[i]; else if(expenseType == 3){ profit[i] = revenue[i] - expense.tyре3[i]; }
- // Import necessary modules and setup the Express appconst express = require('express');const fs = require('fs');const app = express();const wordsDataPath = './words-app/data/words.json';const collectionsDataPath = './words-app/data/collections.json';const PORT = process.env.PORT || 3000; // Endpoint to search for a certain number of words using a query textapp.get('/api/words/:query', (req, res) => { let query = req.params.query; let count = req.query.count || 10; count = count > 100 ? 100 : count; // Limit to 100 words per request let words = fs.readFileSync(wordsDataPath); words = JSON.parse(words); let matchingWords = words.filter(word => word.includes(query)); let selectedWords = []; for (let i = 0; i < count && matchingWords.length > 0; i++) { let index = Math.floor(Math.random() * matchingWords.length); selectedWords.push(matchingWords[index]); matchingWords.splice(index, 1); } res.send(selectedWords);}); // Endpoint to read all…ires = 0; for indexl = 10:-2:1 for index2 = 2:2:index1 if index2 == 6 break end ires = ires + index23; end end ires = number of times (outer loop) number of times (inner loop)Please Help Correct This Error // Create Horse tablepublic static void createTable(Connection conn) {// SQL Statement For Creating TableString sql = "CREATE TABLE HORSE ("+ " ID INTEGER PRIMARY KEY,"+ " NAME TEXT,"+ " BREED TEXT,"+ " HEIGHT REAL,"+ " BIRTHDATE TEXT"+ ")"; try {// Execute DDL StatementStatement statement = conn.createStatement();statement.execute(sql);} catch (SQLException ex) {System.out.println(ex.getMessage());} } 2:Unit test 0 / 3 Test createTable() creates Horse table Test feedback Horse table does not exist