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How to find the installed pandas version
... [76]: import pandas as pd
In [77]: pd.__version__
Out[77]: '0.12.0-933-g281dc4e'
Pandas also provides a utility function, pd.show_versions(), which reports the version of its dependencies as well:
In [53]: pd.show_versions(as_json=False)
INSTALLED VERSIONS
------------------
commit: None
pytho...
How do I pick randomly from an array?
...y, you could require "backports/1.9.1/array/sample".
Note that in Ruby 1.8.7 it exists under the unfortunate name choice; it was renamed in later version so you shouldn't use that.
Although not useful in this case, sample accepts a number argument in case you want a number of distinct samples.
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SELECT DISTINCT on one column
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answered Jun 8 '09 at 18:20
Aaron AltonAaron Alton
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How to compare times in Python?
...datetime.now() ) is earlier, later or the same than a specified time (e.g. 8am) regardless of the date.
8 Answers
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What is database pooling?
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answered Oct 28 '10 at 8:39
paxdiablopaxdiablo
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Ruby on Rails and Rake problems: uninitialized constant Rake::DSL
...e .9.0 breaks Rails and several other things, you need to:
gem "rake", "0.8.7"
in your Gemfile.
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How do I create a file AND any folders, if the folders don't exist?
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edited Jul 2 '18 at 9:53
James Monger
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git: Show index diff in commit message as comment
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Alan Haggai AlaviAlan Haggai Alavi
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Grouped LIMIT in PostgreSQL: show the first N rows for each group?
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New solution (PostgreSQL 8.4)
SELECT
*
FROM (
SELECT
ROW_NUMBER() OVER (PARTITION BY...