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How assignment works with Python list slice?
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116
You are confusing two distinct operation that use very similar syntax:
1) slicing:
b = a[0:2...
Rails: how do I validate that something is a boolean?
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answered Jan 18 '11 at 7:38
Drew Dara-AbramsDrew Dara-Abrams
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How can I open several files at once in Vim?
...es not.
– 79E09796
Mar 19 '13 at 10:11
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Once the files are opened use :tab all to put them in i...
How do I explicitly instantiate a template function?
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answered Feb 8 '11 at 12:47
hrnthrnt
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Find all elements on a page whose element ID contains a certain text using jQuery
...nd worked
– Carlos López Marí
Jan 11 at 18:07
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What's the difference between parenthesis $() and curly bracket ${} syntax in Makefile?
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Norman GrayNorman Gray
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Get item in the list in Scala?
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311
Use parentheses:
data(2)
But you don't really want to do that with lists very often, since l...
Difference between Python datetime vs time modules
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answered Sep 20 '11 at 4:00
SingleNegationEliminationSingleNegationElimination
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Add column with number of days between dates in DataFrame pandas
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df['A'] = pd.to_datetime(df['A'])
df['B'] = pd.to_datetime(df['B'])
In [11]: df.dtypes # if already datetime64 you don't need to use to_datetime
Out[11]:
A datetime64[ns]
B datetime64[ns]
dtype: object
In [12]: df['A'] - df['B']
Out[12]:
one -58 days
two -26 days
dtype: timedelta64[ns...
Copying files using rsync from remote server to local machine
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JohnsywebJohnsyweb
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