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In Jinja2, how do you test if a variable is undefined?
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345
From the Jinja2 template designer documentation:
{% if variable is defined %}
value of var...
what is the most efficient way of counting occurrences in pandas?
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241
I think df['word'].value_counts() should serve. By skipping the groupby machinery, you'll save ...
Docker EXPOSE a port only to Host
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Sure, just bind it to localhost, like this:
docker run -p 127.0.0.1:27017:27017
Also: You...
Difference between hard wrap and soft wrap?
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answered Nov 26 '08 at 6:46
Firas AssaadFiras Assaad
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What is the difference between git am and git apply?
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edited Jun 26 '18 at 14:14
Maximo Mussini
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answered Sep 2 '12 a...
How can I tell which homebrew formulae are upgradable?
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edited Aug 6 '18 at 2:41
answered Oct 23 '12 at 21:09
A...
Debug vs Release in CMake
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Alex Reinking
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answered Oct 11 '11 at 11:07
kb1oookb1ooo
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Save file to specific folder with curl command
... techtonik
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answered May 3 '13 at 16:00
AtleAtle
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Get pandas.read_csv to read empty values as empty string instead of nan
...add an option of some sort here:
https://github.com/pydata/pandas/issues/1450
In the meantime, result.fillna('') should do what you want
EDIT: in the development version (to be 0.8.0 final) if you specify an empty list of na_values, empty strings will stay empty strings in the result
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