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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 ...

¿Para qué sirve Self y This en PHP? - Stack Overflow en español
quería saber el uso de estos dos y sus diferencias. He visto que tienen un uso parecido, pero lo que he visto no explican realmente cuál es mejor usar y por qué.

dotnet publish --self-contained -> running the app still asks for .net ...
15 As the subject suggests, even if publishing with "--self-contained true" (and with a specific -r option), the runtime still asks for missing .net installation.

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 \?

Self-reference for cell, column and row in worksheet functions
In a worksheet function in Excel, how do you self-reference the cell, column or row you're in?

How can I create a self-signed certificate for 'localhost'?
I've gone through the steps detailed in How do you use HTTPS and SSL on 'localhost'?, but this sets up a self-signed certificate for my machine name, and when browsing it via https://localhost, I receive the Internet Explorer warning. Is there a way to create a self-signed certificate for "localhost" to avoid this warning?

Why do I get "TypeError: Missing 1 required positional argument: 'self'"?
See Why do I get 'takes exactly 1 argument (2 given)' when trying to call a method? for the opposite problem.

Mockito is currently self-attaching to enable the inline-mock-maker ...
I get this warning while testing in Spring Boot: Mockito is currently self-attaching to enable the inline-mock-maker. This will no longer work in future releases of the JDK. Please add Mockito as an

git - SSL certificate problem: self signed certificate in certificate ...
The reason was an SSL certificate problem: 'self-signed certificate in certificate chain.'" Protected question. To answer this question, you need to have at least 10 reputation on this site (not counting the association bonus). The reputation requirement helps protect this question from spam and non-answer activity.

dom - What does "self" mean in javascript? - Stack Overflow
self refers to the global scope - If the context is a window it will refer to window.self, while in case of a non-windowed context it will refer to the global scope of that context (e.g. in service worker code, self refers to the worker global scope).