class-extensions Archives

Kotlin: Kotlin File vs Class. Whats the difference?

January 17, 2021 Davidson William

Question or issue of Kotlin Programming: Just started using Kotlin and created some activities as Kotlin Files. They work, but still, I want to know what the difference between creating a File and a Class.

Kotlin: Equivalent of getClass() for KClass

January 14, 2021 Alcott Elizabeth

Question or issue of Kotlin Programming: In Java we can resolve a variable’s class through getClass() like something.getClass(). In Kotlin I am aware of something.javaClass which is nice but I want to be able to get the KClass in a similar way. I’ve seen the Something::class syntax but this is not what I need. I […]

Import statement inside class/function definition – is it a good idea?

January 12, 2021 Andrew Rocky

Question or problem about Python programming: I created a module named util that provides classes and functions I often use in Python. Some of them need imported features. What are the pros and the cons of importing needed things inside class/function definition? Is it better than import at the beginning of a module file? Is […]

Run Class methods in threads (python)

January 11, 2021 Simon Abital

Question or problem about Python programming: I’m currently learning Python and Classes and I have a basic question, but I didn’t find any answer to it. Let’s say I have this dummy class

Understanding __init_subclass__

January 9, 2021 Jeffrey Schneider

Question or problem about Python programming: I finally upgraded my python version and I was discovering the new features added. Among other things, I was scratching my head around the new __init_subclass__ method. From the docs:

Python Class Members

January 8, 2021 Odhran Miss

Question or problem about Python programming: I am just learning Python and I come from a C background so please let me know if I have any confusion / mix up between both.

Mutating function inside class

January 8, 2021 Odhran Miss

Question or problem in the Swift programming language: Consider this class in Swift:

Using a class as a data container

January 8, 2021 Oceane Wilson

Question or problem about Python programming: Sometimes it makes sense to cluster related data together. I tend to do so with a dict, e.g.,

How to warn about class (name) deprecation

January 7, 2021 Andrew Rocky

Question or problem about Python programming: I have renamed a python class that is part of a library. I am willing to leave a possibility to use its previous name for some time but would like to warn user that it’s deprecated and will be removed in the future.

How to force/ensure class attributes are a specific type?

January 7, 2021 James Cameron

Question or problem about Python programming: How do I restrict a class member variable to be a specific type in Python?