Category "class"

Architecture of sub-classes in C++

I learn C++ OOP-paradigm and want to ask related question: Assumption We have a base class: class Base { public: virtual SomeType PowerMethod() { return So

How does a Python class within another class work w/o Inheritance? (Python Beginner)

I'm a python beginner just ran threw a book that includes this MiniProject at the very end.The exercise reads: Your task is to create a deck of cards class. Th

Unable to access variable that has been declared inside a class, outside of it

class makequestions(QMainWindow): def __init__(self): super(makequestions, self).__init__() uic.loadUi("Addquestions.ui", self) self

Specifying a type in an interface of the type that inherits this interface

Need a real implementation of this code interface IExample{ public this ReturnMe(); } class Example : IExample { public this ReturnMe(){...} //returns an

JavaScript externe class or array visible into onmessage worker

With p5.js in a first time I cannot draw gradually the Koch snowflake: when a click to perform I see the result of the drawing when the recursion is gone. so I

How to access a class object inside a list when a value for one of the class attributes is given in Python?

I have a list of class objects and I want to know how can I print a particular class object inside the list given a value for one of its attributes. Here is my

wrap inherited classes in Python

Let's say I have a number of inherited classes class Bird: def __init__(self): pass def identify(self): print("I am a generic bird!")

How to fix/ learning help understanding basic method and classes, Java code and word Problem

I'm struggling on this problem, given that I'm probably making a basic mistake or I haven't got a clue what I'm doing. platform being a Zybook the problem rea

Typescript: how to inference class type that implements an interface

Giving an interface interface IAnInterface { } How to reference and point to a class type that implements that interface! Meaning! Giving a class: class AClas

How can I encapsulate code dealing with matrices and make it reusable?

At my course we are getting tasks that always start with filling a random matrix size nxm with random numbers. I want to create(a library?, a class?) some struc

How to create and call on a Python Class to calculate Kelly Criterion formula for sports betting?

I am trying to create a Python Class to calculate the Kelly Criterion formula in order to determine the precise bet size for an individual sport's investment. I

How does object initialization ambiguity get resolved?

The class has two constructors, one that has no initialization value and does not increase the 'val', the other takes a reference to an object, and increases 'v

What are sealed classes in Java 17?

Today, I updated my Java version from 16 to 17, and I found that sealed classes is a new feature in it. I think it can be declared like this: public sealed clas

Use dependency injection in static class

I need to use Dependency Injection in a static class. the method in the static class needs the value of an injected dependency. The following code sample demo

How can I use/inject a service in a "normal" c# class like in Blazor @inject ClassName classObject

I have a Blazor Project, in the Program.cs(formaly aka Startup.cs) I added a service builder.Services.AddSingleton<Models.UserVisit>();

searching in arraylist always not found

no matter what I use indexof() or contains or .equals() changing everything to uppercase or to lowercase It always return false and not found can someone please

How to add Screen Manager to my KIVYMD code, but not in kv file only class method

I'm new here, I have a small problem in kivymd. Is there anyone here who would be able to help me? this is my main.py file from kivymd.app import MDApp from k

Calling a native C++ method from C++/CLI

I'm developing Wordle in C++ using a .net graphic interface with visual studio. I have a file.h that contains a class "WordDatabase", and I need to use one of t

How to make the class constructor that returns the object of child class?

I'm coding in Python. I have a Base class which contains several methods. There are some child classes; they may have their own methods. I want the Base class c

Method parameter auto completion for a class instance

I am trying to get auto completion of method parameter names for class instances but can't quite figure it out. Take this example class: class Abc: def meth