Django's settings.py is evil.
Why? Because in terms of security, it is a bomb waiting to go off. Typically your database settings go in there, and potentially other sensitive stuff (salts, service API keys, what have you).
By encouraging you to put a settings.py file in your project's …
Consider:
>>> ''.split()
[]
That seems okay... split an empty string on whitespace and you get an empty list, sure, why not.
Except that in every other case, if you split a string on a separator that it doesn't contain, you get a list containing the original string - even if the original …
(Updated 2018 with a more modern Python 3 tip)
I always forget how to write a class that can be used as both a decorator and a context manager. It's a handy trick, but I don't do it often enough to remember, so, here it is.
In Python 3 it's …
What's the difference between these?
>>> zipped = zip(iter1, iter2)
>>> mapped = map(None, iter1, iter2)
The answer turns out to be depend on whether iter1 and iter2 are the same length. Pretty subtle: zipped is truncated to the length of the shortest of (iter1, iter2). mapped is the same length as …
A coworker (hi Will) just introduced me to pdbpp.
As a longtime pdb user, I must say this is SOOO GOOD.
Two features alone are worth it: syntax highlighting,
and the ll command which prints the entire function around
the current line.
One wrinkle is that at work we still …
Django as it is in the wild is not a web software framework. It is a web site framework.
(disclaimer re. complaining: https://commandcenter.blogspot.com/2011/12/esmereldas-imagination.html )
What does this mean and why?
For some things, I love Django. It hits a particular sweet spot really well …