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Using bitwise OR 0 to floor a number
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answered Sep 20 '11 at 15:54
JoeJoe
70.8k1717 gold badges121121 silver badges139139 bronze badges
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Find row where values for column is maximal in a pandas DataFrame
...B','C'])
>>> df
A B C
0 1.232853 -1.979459 -0.573626
1 0.140767 0.394940 1.068890
2 0.742023 1.343977 -0.579745
3 2.125299 -0.649328 -0.211692
4 -0.187253 1.908618 -1.862934
>>> df['A'].argmax()
3
>>> df['B'].argmax()
4
>>> df['C'...
How to handle multiple heterogeneous inputs with Logstash?
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answered Dec 13 '13 at 8:24
Ben LimBen Lim
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Naming convention for unique constraint
...009/10/29/…
– Stefan Steiger
Oct 14 '16 at 11:45
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What's the difference between “Normal Reload”, “Hard Reload”, and ...
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449
Normal reload
The same thing as pressing F5. This will use the cache but revalidate everything...
What's the meaning of 'origin' in 'git push origin master'
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74
origin is the default name of the remote git repository you cloned from. Have a look at .git/ref...
Heroku/devise - Missing host to link to! Please provide :host parameter or set default_url_options[:
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244
You need to add this to your environment.rb
config.action_mailer.default_url_options = { :ho...
Why were pandas merges in python faster than data.table merges in R in 2012?
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4 Answers
4
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Python memory usage of numpy arrays
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246
You can use array.nbytes for numpy arrays, for example:
>>> import numpy as np
>&g...