In the spirit of "Falsehoods Programmers Believe" (my favorite is probably "Falsehoods Programmers Believe About Time"), I offer this, about working with third-party REST APIs.
"Believe" is a bit of a strong word here. Beliefs are deep things that are resistant to change. These are more like assumptions or wishes …
Does this return all the data?
urllib2.urlopen(url).read()
The answer appears to be "not always".
http://stackoverflow.com/questions/7174927/when-does-socket-recvrecv-size-return https://github.com/CVL-dev/feedparser/issues/1
I can't seem to get a definitive answer here, nor a reproducible demonstration of it failing.
Does anybody know for …
Some notes on my emacs setup. Maybe this should go in README for my dotemacs.
There is python-mode.el, and python.el. I have settled on python-mode from the elpa repositories.
I tried ropemacs, and really like it when it works. For simple refactorings it can …
So it turns out there are some painful edges if you start trying to do SQLAlchemy declarative ORM classes in an existing Django app. (For example, if you're gradually replacing the Django ORM in your code with Sqlalchemy ORM). It boils down to:
The django testrunner (or django-nose) changes the …
TL;DR graphite graphs look wrong when viewing a time period larger than a few
hours. hitcount is the cure.
It turns out counters are bucketed as hits per time slice, not as permanently
incrementing numbers.
http://code.hootsuite.com/accurate-counting-with-graphite-and-statsd/ helps a
lot to explain how this works.
For …
Here's a typical loop that checks for some condition and breaks the first time it passes:
def list_contains_urls(maybe_urls):
for url in maybe_urls:
if url.startswith('http'):
return True
return False
Can we do that more concisely? Sure.
def list_contains_urls(maybe_urls):
return any(u for u in maybe_urls if u …