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pandas read_csv and filter columns with usecols
...mport StringIO
csv = r"""dummy,date,loc,x
bar,20090101,a,1
bar,20090102,a,3
bar,20090103,a,5
bar,20090101,b,1
bar,20090102,b,3
bar,20090103,b,5"""
df = pd.read_csv(StringIO(csv),
header=0,
index_col=["date", "loc"],
usecols=["date", "loc", "x"],
parse_dates=["date"...
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grep -l
(That's a lowercase L)
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NSLog with CGPoint data
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Jens AytonJens Ayton
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How can I convert a file pointer ( FILE* fp ) to a file descriptor (int fd)?
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Phil MillerPhil Miller
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answered May 23 '11 at 23:37
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How can I alter a primary key constraint using SQL syntax?
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edited Jun 13 '13 at 11:58
Oleg Dok
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twig: IF with multiple conditions
...theses to avoid confusion:
{% if (foo and bar) or (fizz and (foo + bar == 3)) %}
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