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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 self parameter for a method and got a TypeError, use TypeError: method () takes 1 positional argument but 2 were given instead If OP omitted self in the body of the method and got a NameError, consider How can
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, and in that article, Guido explains why use self and cls, and why they are necessary
What does \\. self actually do in Swift SwiftUI? - Stack Overflow I think it is setting the id for each list item as each item in the numbers array? Correct me if wrong - but is each id being set as whatever Int is in each entry of the numbers array? If so, then what does \ actually do when typing \ self and what does self actually do in combination with \?
How can I generate a self-signed SSL certificate using OpenSSL? A self-signed certificate does not chain back to a trusted anchor The best way to avoid this is: Create your own authority (i e , become a CA) Create a certificate signing request (CSR) for the server Sign the server's CSR with your CA key Install the server certificate on the server Install the CA certificate on the client
When to use self, self, mut self in methods? - Stack Overflow 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 self (or mut self) the method will likely still compile, but it can only be used in more restricted situations
Explaining the self variable to a beginner - Stack Overflow 6 self refers to the current instance of Bank When you create a new Bank, and call create_atm on it, self will be implicitly passed by python, and will refer to the bank you created
How to avoid explicit self in Python? - Stack Overflow 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 you're referring to "itself"