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Set default value of an integer column SQLite
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MySQL get the date n days ago as a timestamp
In MySQL, how would I get a timestamp from, say 30 days ago?
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How do I check the operating system in Python?
...2":
# linux
elif platform == "darwin":
# OS X
elif platform == "win32":
# Windows...
sys.platform has finer granularity than sys.name.
For the valid values, consult the documentation.
See also the answer to “What OS am I running on?”
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Memcache(d) vs. Varnish for speeding up 3 tier web architecture
I'm trying to speed up my benchmark (3 tier web architecture), and I have some general questions related to Memcache(d) and Varnish.
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How to create directories recursively in ruby?
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edited May 3 '17 at 19:45
answered Sep 10 '10 at 15:49
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Python extending with - using super() Python 3 vs Python 2
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super() (without arguments) was introduced in Python 3 (along with __class__):
super() -> same as super(__class__, self)
so that would be the Python 2 equivalent for new-style classes:
super(CurrentClass, self)
for old-style classes you can always use:
class Classname...
str performance in python
While profiling a piece of python code ( python 2.6 up to 3.2 ), I discovered that the
str method to convert an object (in my case an integer) to a string is almost an order of magnitude slower than using string formatting.
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Create Pandas DataFrame from a string
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A simple way to do this is to use StringIO.StringIO (python2) or io.StringIO (python3) and pass...
How can I filter a Django query with a list of values?
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