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How to check if a column exists in Pandas
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Changing case in Vim
...se, or use gu<motion> for lowercase.
For more of these, see Section 3 in Vim's change.txt help file.
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When should I use a composite index?
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answered Dec 1 '09 at 3:31
Mark CanlasMark Canlas
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What does “Splats” mean in the CoffeeScript tutorial?
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Trevor BurnhamTrevor Burnham
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Django - iterate number in for loop of a template
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Elegant setup of Python logging in Django
...e logging. (Note: NullHandler is already in the logging package for Python 3.1, and will be in Python 2.7.) So:
logger = logging.getLogger(__name__)
logger.addHandler(someutils.null_handler)
This is done to ensure that your modules play nicely in a site which doesn't configure logging in settings...
ggplot2 plot without axes, legends, etc
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Rufflewind
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answered Jul 1 '11 at 1:35
joranjoran
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Reading a huge .csv file
...from 100mb to 1.6gb). I can do this (very slowly) for the files with under 300,000 rows, but once I go above that I get memory errors. My code looks like this:
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Homebrew: List only installed top level formulas
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Web Reference vs. Service Reference
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Add Web Reference is the old-style, deprecated ASP.NET webservices (ASMX) technology (using only...