All Questions
Tagged with pythonobject-oriented
156 questions
54votes
5answers
40kviews
Are Python mixins an anti-pattern?
I'm fully aware that pylint and other static analysis tools are not all-knowing, and sometimes their advice must be disobeyed. (This applies for various classes of messages, not just conventions.) If ...
41votes
6answers
11kviews
Should I create a class if my function is complex and has a lot of variables?
This question is somewhat language-agnostic, but not completely, since Object Oriented Programming (OOP) is different in, for example, Java, which doesn't have first-class functions, than it is in ...
36votes
7answers
12kviews
Functional programming compared to OOP with classes
I have been interested in some of the concepts of functional programming lately. I have used OOP for some time now. I can see how I would build a fairly complex app in OOP. Each object would know how ...
33votes
6answers
13kviews
Can you implement "object-oriented" programming without the class keyword?
Say we want to provide an abstraction of an "account" in a bank. Here's one approach, using a function object in Python: def account(): """Return a dispatch dictionary representing a bank account. ...
21votes
3answers
24kviews
Why do you need "self." in Python to refer to instance variables?
I have been programming into a number of languages like Java, Ruby, Haskell and Python. I have to switch between many languages per day due to different projects I work on. Now, the issue is I often ...
21votes
2answers
10kviews
Should serialization and deserialization be the responsibility of the class being serialized?
I'm currently in the (re)design phase of several model classes of a C# .NET application. (Model as in M of MVC). The model classes already have plenty of well-designed data, behaviors, and ...
20votes
3answers
19kviews
Differences between "Java OOP" and "Pythonic OOP"? [closed]
I started with ActionScript 2.0 and then went on with Java. I have learned, or at least used, a bunch of languages since then, including Python (probably my favorite). I'm afraid that my style of ...
19votes
10answers
11kviews
Why are inheritance and polymorphism so widely used?
The more I learn about different programming paradigms, such as functional programming, the more I begin to question the wisdom of OOP concepts like inheritance and polymorphism. I first learned ...
15votes
3answers
3kviews
The Liskov Substitution Principle, and Python
Background I've taught myself Python over the past year-and-a-bit, and would consider myself an intermediate Python user at this point, but never studied computing at school/university. As such, my ...
14votes
3answers
41kviews
Python classes with only one instance: When to create a (single) class instance and when to work with the class instead?
Given a Python class which will be instantiated only once, i.e. there will be only one object of the class. I was wondering in which cases it makes sense to create a single class instance instead of ...
14votes
2answers
3kviews
Object oriented vs vector based programming
I am torn between object oriented and vector based design. I love the abilities, structure and safety that objects give to the whole architecture. But at the same time, speed is very important to me, ...
11votes
1answer
2kviews
Using Python's Method Resolution Order for Dependency Injection - is this bad?
I watched Raymond Hettinger's Pycon talk "Super Considered Super" and learned a little bit about Python's MRO (Method Resolution Order) which linearises a classes "parent" classes in a deterministic ...
10votes
9answers
6kviews
Is there any difference learning OOP on different programming languages? [closed]
I want to learn OOP. I know Python and I know very little things about OOP. But when I search for "learn OOP" in forums I saw a guy saying that "Python is so new that's why you can't learn OOP on ...
9votes
3answers
27kviews
How to use multiple programming languages together in the same program? [closed]
Such a simple question, but I have not found a reasonable answer to this. I currently program in Python, an interpreted language. I always hear of people using multiple languages in the same program? ...
9votes
1answer
339views
Python's join seems to focus not on the items to join, but on the symbol, as compared to Ruby or Smalltalk, for a design reason?
I thought one of the cornerstone of OOP is that, we have objects, which are the items we are interested in dealing with, and then we send messages to them. So it may seem natural that, I have a ...