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How to get all subsets of a set? (powerset)
..., you can just change the range statement to range(1, len(s)+1) to avoid a 0-length combination.
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How to make PyCharm always show line numbers
... BluesRockAddictBluesRockAddict
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PDO get the last ID inserted
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edited Feb 1 '17 at 8:06
Your Common Sense
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How to prevent http file caching in Apache httpd (MAMP)
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+50
Tried this? Should work in both .htaccess, httpd.conf and in a VirtualHost (usually placed in httpd-vhosts.conf if you have included i...
How to use Elasticsearch with MongoDB?
...to index MongoDB for use in a NodeJS, Express app on a fresh EC2 Ubuntu 14.04 instance.
Make sure everything is up to date.
sudo apt-get update
Install NodeJS.
sudo apt-get install nodejs
sudo apt-get install npm
Install MongoDB - These steps are straight from MongoDB docs.
Choose whatever ve...
How can I change Eclipse theme?
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chrips
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answered Nov 12 '12 at 0:41
Tim HughesTim Hughes
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__init__ for unittest.TestCase
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karthikrkarthikr
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Ignoring time zones altogether in Rails and PostgreSQL
...ger value representing the count of microseconds from the Postgres epoch, 2000-01-01 00:00:00 UTC.
Postgres also has built-in knowledge of the commonly used UNIX time counting seconds from the UNIX epoch, 1970-01-01 00:00:00 UTC, and uses that in functions to_timestamp(double precision) or EXTRACT(E...
How to flatten only some dimensions of a numpy array
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Take a look at numpy.reshape .
>>> arr = numpy.zeros((50,100,25))
>>> arr.shape
# (50, 100, 25)
>>> new_arr = arr.reshape(5000,25)
>>> new_arr.shape
# (5000, 25)
# One shape dimension can be -1.
# In this case, the value is inferred from
# the le...
How to make Regular expression into non-greedy?
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500
The non-greedy regex modifiers are like their greedy counter-parts but with a ? immediately fol...