
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 …
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 …
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 …
security - How do I create a self-signed certificate for code signing ...
Sep 17, 2008 · This creates a self-signed (-r) certificate, with an exportable private key (-pe). It's named "My CA", and should be put in the CA store for the current user. We're using the SHA …
html - Difference between _self, _top, and _parent in the anchor …
Aug 27, 2013 · I know _blank opens a new tab when used with the anchor tag and also, there are self-defined targets I use when using framesets but I will like to know the difference between …
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 …
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.
Why use $_SERVER['PHP_SELF'] instead of - Stack Overflow
The value of $_SERVER['PHP_SELF'] is taken directly from the URL entered in the browser. Therefore if you use it without htmlspecialchars(), you're allowing hackers to directly …
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 …
node.js - NPM self_signed_cert_in_chain - Stack Overflow
NPM self_signed_cert_in_chain Asked 9 years, 6 months ago Modified 25 days ago Viewed 200k times