
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 …
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 …
Python 'self' keyword - Stack Overflow
9 First, Python's self is not a keyword, it's a coding convention, the same as Python's cls. Guido has written a really detailed and valuable article about the origin of Python's support for class, …
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.
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.
What is SELF JOIN and when would you use it? [duplicate]
Jun 13, 2024 · A self join is simply when you join a table with itself. There is no SELF JOIN keyword, you just write an ordinary join where both tables involved in the join are the same …
How to avoid explicit 'self' in Python? - Stack Overflow
Dec 31, 2009 · The "self" is the conventional placeholder of the current object instance of a class. Its used when you want to refer to the object's property or field or method inside a class as if …
Purpose of return self python - Stack Overflow
Returning self from a method simply means that your method returns a reference to the instance object on which it was called. This can sometimes be seen in use with object oriented APIs …
How can I generate a self-signed SSL certificate using OpenSSL?
The W3C's WebAppSec Working Group is starting to look at the issue. See, for example, Proposal: Marking HTTP As Non-Secure. How to create a self-signed certificate with …
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 …