[Solved] How to use unassigned local variable? [closed]

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An example of how you could do this is: using System; using System.Collections.Generic; public class Program { public static void Main() { bool read = true; List<int> list = new List<int>(); do{ string input = Console.ReadLine(); int x = 0; if(input == “start”) { read = false; } else if(int.TryParse(input, out x)) { list.Add(x); } … Read more

[Solved] Why am I stuck in displaying my linked list?

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You weren’t assigning newnode to newnode->next, therefore no linked list was being created. But your code in the linked list doesn’t break or anything, it prints the values you wanted, just not in a linked list. The problem may be with conio.h, which is of no use in this code. remove #include <conio.h> and getch_(); … Read more

[Solved] How to store users transactions history on database and how to show the transaction history whenever a user wants to view their transactions

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How to store users transactions history on database and how to show the transaction history whenever a user wants to view their transactions solved How to store users transactions history on database and how to show the transaction history whenever a user wants to view their transactions

[Solved] Efficient loading of Pygamescreens to 2D-lists

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You can almost triple the speed by using pygame.surfarray. But I don’t thing you actually want to have a list of the pixels. Please post a new question with you underling problem, as @hop suggested. def load(screen): return pygame.surfarray.pixels2d(screen).tolist() solved Efficient loading of Pygamescreens to 2D-lists

[Solved] How can I extract two most expensive items from a dictionary using standard library? [closed]

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You could sort the list of dictionaries by the price reversed and then use slicing notation to return the top results. from operator import itemgetter top = 3 data = [{“name”: “bread”, “price”: 100}, {“name”: “wine”, “price”: 138}, {“name”: “meat”, “price”: 15}, {“name”: “water”, “price”: 1}, {“name”: “fish”, “price”: 10}] print(sorted(data, key=itemgetter(‘price’), reverse=True)[:top]) Output: [{‘name’: … Read more

[Solved] Problem converting one user-defined class to another user-defined class [closed]

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When Float(const Integer&); is declared, the Integer class has been not declared yet. This should work for what you want: #include <iostream> using namespace std; class Integer; class Float { float x, y; public: Float() : x(0),y(0) {} Float(float a, float b) : x(a),y(b) {} Float(const Integer&); float getX() const { return this->x; } float … Read more

[Solved] PHP version unsupported [closed]

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I am not sure what scanner you are using, but the PHP versions on both of your servers are no longer supported since 2017. It would be prudent to upgrade the PHP version on both of your servers to at least PHP 7.3 Using old versions is insecure and could lead to hacks and data … Read more

[Solved] Not able to print value of an array while using inheritance in C# [duplicate]

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Your PrintDetails() method is printing the array without any kind of formatting (hence it’s just printing the array type) use string.Join to print the array delimenated by commas public override void PrintDetails() { Console.WriteLine(“Hi my name is ” + _name + ” and I am studying ” + string.Join(“,”, _subjects)); } ought to do it. … Read more

[Solved] C++ Function Calling with Parameter in int main [closed]

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As you define void menu(string wrd,int cnt), you must have to call the menu() function passing with two parameters like menu(“code”,10) from main function. You can pass any valid string and int in the menu(). 1 solved C++ Function Calling with Parameter in int main [closed]