I am trying to figure out how to define a Variable which is a member of a class in C++, Outside of the normal class body. It may be inside of a Function, or outside of the class. Is this possible. What I need is that the variable should be a member of the class… Read More How to define class attribute after creating class

The code is creating a random number from a low value and a high value supplied by the user. Why, when printing the value of the comp_num inside the function it returns the correct value but when printing it at the end of the sequence it is 0. import random comp_num = 0 def generateNumber():… Read More Why is the global variable not showing the correct value

main.scala: import java.time.LocalDate object OptionAnswer { def main(args: Array[String]): Unit = { case class Score( name: String, // 学生の名前 english: Int, // 英語の点数 math: Int, // 数学の点数 science: Int, // 理科の点数 date: LocalDate // 受験日 ) val scoreOfAlice = Score(name = "Alice", english = 77, math = 74, science = 26, date = LocalDate.of(2020, 1,… Read More What is the error "not found: type Score"?

i have 4 views and i want to change their height and width to the same value, how can i reduce the amount of code here? private fun changeSize() { with(binding) { with(leftBotIv) { layoutParams.height = height layoutParams.width = width } with(leftTopIv) { layoutParams.height = height layoutParams.width = width } with(rightBotIv) { layoutParams.height = height… Read More How to use with to multiple params Kotlin?

I have a JSON input file that looks like this: {"nodes": [ {"properties": { "id": "rootNode", "name": "Bertina Dunmore"}, "nodes": [ {"properties": { "id": 1, "name": "Gwenneth Rylett", "parent_id": "rootNode"}, "nodes": [ {"properties": { "id": 11, "name": "Joell Waye", "parent_id": 1}}, {"properties": { "id": 12, "name": "Stan Willcox", "parent_id": 1}}]}, {"properties": { "id": 2, "name":… Read More Dealing with scope in a recursive Python function

I have the following code: const getNFTs = async (address: string) => { … // hidden for brevity //Nested code const promises = Array.from({length: output.toNumber()}).map() => { … // hidden for brevity } const promiseArray = await Promise.all(promises); //returns object const imageArray = Object.values(promiseArray); //converts to array } If I was to console.log imageArray I… Read More How can I fix the scope of a array variable so that I can map through it in React?

I am trying to use var1, which is the variable for a Tkinter Checkbutton in another function but I keep getting a Type Error which I am assuming is a result of var1 being a local scope in init. Normally, I would just return the var1 value (in order to use it in another function)… Read More How to use a variable in __init__ in another function (Python)

As the title says, I’m getting confused about the difference between blocks and "normal" pieces of code that follow a statement. I usually enclose the body of a while loop in Ruby with do…end, e.g. while true do # … end But is it a block? If yes, why? If no, why is it declared… Read More Is the body of a while statement a block?

let n = 5; for (let a = 1, b = Math.pow(2, a); b <= n; a++) { console.log(b); } I don’t understand why b doesn’t increase as a increases. Do I have to somehow pass a to b again? If there’s no way to make this loop work this way, can someone tell me… Read More Why is this for loop looping infinitely?

I have a variable a whose scope is in function f(). There is another function b() in the scope of f(), where variable a is getting modified. How can I make sure the variable gets modified in function b() and is reflected correctly in the scope of function f()? def f(): a = 1 def… Read More Modify variable in scope of a function in another function in the same scope (Python)