Category "class"

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

Invoking a function, by traversing an array of objects

I'm using prototypal inheritance in javascript. The parent class is an animal and an example of one of the child classes is a cheetah. All of the child classes

Create a function with a class Player with values "username" set to input, "size" to 50, "x" and "y" to 0

Trying to create a function with a class Player with values "username" set to input and the rest set to numbers. Searched a few websites but the answers weren't

How can I make a list that can be accesed by other classes?

I'm trying to make a project using the standard std::list. There is a list of names that have to be accessed by multiple classes. The list has to be inside a cl

Retrieving a value in one class that is set in another

I hope you are all doing well. I've been having a small issue in a task for university, I have a variable in a class named Alpha where I want the value to be ch

How to make a tuple give a random new tuple?

I am trying to take a position (a,b) and via the code receive a random new position (a,b).. I am having great trouble implementing the code and what I got is by

Append to existing tuple in c++

i am trying to make a thing to store types in list. The best thing is to use a tuple. then to get the type i use tuple_element_t. But the problem is when append

error: type ‘class’ is not a direct base of ‘class’

I haven't been able to find an answer that relates specifically to my question. It's a bit of a "strange" case in terms of what I've seen. So I have a class C

Problem with updating styles in JS for my class

So I have a problem with updating styles in JS for my class. In debug I can see that variables change correctly foreach object as they should, but style changes

enforcement for abstract properties in python3

I have this abstract class class Kuku(ABC): def __init__(self): self.a = 4 @property @abstractmethod def kaka(self): pass

Typescript error: An outer value of 'this' is shadowed by this container

I had an error in a Typescript class method declaration, but I don't understand how the error message relates back to the bug. The message seems to be saying

I started learning DSA ,while writing code for stack DS in c++ , I came across this error

I started learning DSA ,while writing code for stack DS in c++ , I came across this error. So, while I was trying fixing it , I get to know that when I am using

What is the difference between protected and public variable in python

In python, what is the difference between protected and public variable in a class class A: def __init__(self): self._protected="protected"

How to add a property to an existing class programmatically?

I want to add another property public int ID { get; set; } to the class below using C#. I don't know if there is a way beside T4 or partial class. How about Cod