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  1. When do you use 'self' in Python? - Stack Overflow

    Oct 18, 2016 · Are you supposed to use self when referencing a member function in Python (within the same module)? More generally, I was wondering when it is required to use self, not …

  2. oop - What do __init__ and self do in Python? - Stack Overflow

    Jul 8, 2017 · In this case, there are some benefits to allowing this: 1) Methods are just functions that happen defined in a class, and need to be callable either as bound methods with implicit …

  3. What is the purpose of the `self` parameter? Why is it needed?

    For a language-agnostic consideration of the design decision, see What is the advantage of having this/self pointer mandatory explicit?. To close debugging questions where OP omitted a …

  4. Why do I get "TypeError: Missing 1 required positional argument: …

    See Why do I get 'takes exactly 1 argument (2 given)' when trying to call a method? for the opposite problem.

  5. What difference does it make to use "self" to define a member in a ...

    A.x is a class variable. B 's self.x is an instance variable. i.e. A 's x is shared between instances. It would be easier to demonstrate the difference with something that can be modified like a list:

  6. When to use self, &self, &mut self in methods? - Stack Overflow

    Nov 24, 2019 · Say I want to implement a method that pretty prints the struct to stdout, should I take &self? I guess self also works? As you can see, this is exactly a case for &self. If you use …

  7. Python class methods: when is self not needed - Stack Overflow

    Jun 25, 2017 · 17 What is self? In Python, every normal method is forced to accept a parameter commonly named self. This is an instance of class - an object. This is how Python methods …

  8. class - Python calling method without 'self' - Stack Overflow

    Sep 8, 2013 · To me, self like a scope definer, with self.foo () and self.bar indicating the function and the parameter defined in the class and not those defines in the other places.

  9. Difference between 'cls' and 'self' in Python classes?

    Why is cls sometimes used instead of self as an argument in Python classes? For example: class Person: def __init__(self, firstname, lastname): self.firstname = firstname self.

  10. When to use self in JavaScript - Stack Overflow

    Oct 27, 2016 · var self = this; They're keeping a reference to the current object, so later when you call self.keyword() you're calling that method on that object, not any other. Say you have for …