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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
oop - Why do you need explicitly have the self argument in a Python . . . By making the self reference explicit, you're free to refer to any object by that self reference Also, such a way of playing with classes at runtime is harder to do in the more static languages - not that's it's necessarily good or bad
How do I type hint a method with the type of the enclosing class? However, there's a point to be made about type hint inheritance in relation to self, which is that if you type hint by using a literal copy paste of the class name as a string, then your type hint won't inherit in a correct or consistent way
security - How do I create a self-signed certificate for code signing . . . 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-256 algorithm The key is meant for signing (-sky) The private key should be stored in the MyCA pvk file, and the certificate in the MyCA cer file
node. js - NPM self_signed_cert_in_chain - Stack Overflow I've spent two days in node-gyp hell trying to figure out this self-signed cert in keychain issue I've had, and this is the answer that finally got everything working properly :)
How to get Python requests to trust a self signed SSL certificate? My python requests code does not accept the self-signed certificate but curl does It turns out python requests are very strict on the self-signed certificate It needs to be a root CA certificate In other words, Basic Constraints: CA:TRUE Key Usage: Digital Signature, Non Repudiation, Key Encipherment, Certificate Sign