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- Sending mail from Python using SMTP - Stack Overflow
I'm using the following method to send mail from Python using SMTP Is it the right method to use or are there gotchas I'm missing ? from smtplib import SMTP import datetime debuglevel = 0 smtp
- How can I make a Python script standalone executable to run without any . . .
I'm building a Python application and don't want to force my clients to install Python and modules So, is there a way to compile a Python script to be a standalone executable?
- 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 OpenSSL The commands below and the configuration file create a self-signed certificate (it also shows you how to create a signing request)
- 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
- 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
- What is SELF JOIN and when would you use it? [duplicate]
27 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 table One thing to notice is that when you are self joining it is necessary to use an alias for the table otherwise the table name would be ambiguous
- When to use self, self, mut self in methods? - Stack Overflow
More notes Self is an alias for the type that the impl block is for The rules of ownership and borrowing apply to self as they apply to any other parameter (see e g this answer) Examples of when to use which here and here Examples of when we should take ownership here, although the answers don't provide code examples but just point to the docs self is not just used as the first parameter
- 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
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