Python string interning
While this question doesn’t have any real use in practice, I am curious as to how Python does string interning. I have noticed the following.
Python
How to sort a list of strings numerically?
I know that this sounds trivial but I did not realize that the sort() function of Python was weird. I have a list of “numbers” that are actually in string form, so I first convert them to ints, then attempt a sort.
How do I pass a string into subprocess.Popen (using the stdin argument)?
If I do the following:
“Ask forgiveness not permission” – explain
I’m not asking for personal “religious” opinions about this philosophy, rather something a bit more technical.
Converting between datetime, Timestamp and datetime64
How do I convert a numpy.datetime64 object to a datetime.datetime (or Timestamp)?
Python exit commands – why so many and when should each be used?
It seems that python supports many different commands to stop script execution.
The choices I’ve found are: quit(), exit(), sys.exit(), os._exit()
How do you create different variable names while in a loop?
For example purposes… for x in range(0,9): string'x' = "Hello" So I end up with string1, string2, string3… all equaling “Hello” Answers: Thank you for visiting the Q&A section on Magenaut. Please note that all the answers may not help you solve the issue immediately. So please treat them as advisements. If you found the … Read more
Save plot to image file instead of displaying it using Matplotlib
I am writing a quick-and-dirty script to generate plots on the fly. I am using the code below (from Matplotlib documentation) as a starting point:
Performant cartesian product (CROSS JOIN) with pandas
The contents of this post were originally meant to be a part of
Pandas Merging 101,
but due to the nature and size of the content required to fully do
justice to this topic, it has been moved to its own QnA.
Is there a simple, elegant way to define singletons?
You have to use new-style classes (derive from object) for this.