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 …

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 …

Mar 16, 2010 · A self join is a join of a table with itself. A common use case is when the table stores entities (records) which have a hierarchical relationship between them.

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 …

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 …

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 …

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

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 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.

Nov 10, 2014 · I am new to Swift and I'm wondering what self is used for and why. I have seen it in classes and structures but I really don't find them essential nor necessary to even mention …