How do I increment i in useState?

I have been struggling for hours and couldn’t figuring out how to increment i using useState([]). I know useState([]) is an asynchronous function, and I don’t know how to increment i properly to give unique keys to each Text Here is my code – import React, { Component, useState, useEffect } from "react"; import {… Read More How do I increment i in useState?

How to map list using value from another list 1 by 1 in Elixir?

Suppose I have a Player Struct inside list [ %Player{name: "John", role: "nil"}, %Player{name: "Sansa", role: "nil"}, %Player{name: "Barry", role: "nil"}, %Player{name: "Edward", role: "nil"} ] and I have a list of roles: Enum.shuffle([:werewolf, :farmer, :farmer, :farmer]) What function to use || How do I map it one by one into my expected result: [… Read More How to map list using value from another list 1 by 1 in Elixir?

How to declare and access method functions from different class files

So I’m writing a POS system for a project at school and I’m having trouble declaring the call method for each file to access the said methods main.cpp #include <iostream> #include <windows.h> int main() { AppUI UI; SecuritySys SecSysFunc; EditBook BookFunc; UI.MainMenu(); } AppUI.cpp #include <iostream> #include <windows.h> #include <iomanip> #include <string> #include <cstring> #include… Read More How to declare and access method functions from different class files

Why does python replace every object of a column, when only referring to one, if all lines are identical?

When trying to change one value in a matrix, python will change all items of that column with the desired value, despite the fact I am only trying to change one. But this only happens when all rows are identical. Example: def print_matrix(matrix: list[list], dlm: str) -> None: for row in matrix: for col in… Read More Why does python replace every object of a column, when only referring to one, if all lines are identical?