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Python: most idiomatic way to convert None to empty string?
...d of if s is None
– guneysus
Dec 6 '15 at 15:09
6
@guneysus They aren’t the same: not False == ...
How do I determine whether an array contains a particular value in Java?
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answered Jul 15 '09 at 0:04
camickrcamickr
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Delete all files in directory (but not directory) - one liner solution
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edited Apr 17 at 21:15
K.H.
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answered Nov 2 '12 at 13:10
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How to leave a message for a github.com user
... thanks ......
– Esterlinkof
Jul 2 '15 at 22:49
4
Chances are you will get a username@users.norep...
How to mount a host directory in a Docker container
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edited Oct 15 '19 at 20:18
Neo
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Checking a Python module version at runtime
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answered Feb 25 '19 at 15:37
Jakub KukulJakub Kukul
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Eclipse: Set maximum line length for auto formatting?
... default profile.
– JReader
Jun 16 '15 at 16:26
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show 4 m...
Warning: mysql_connect(): [2002] No such file or directory (trying to connect via unix:///tmp/mysql.
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415
For some reason mysql on OS X gets the locations of the required socket file a bit wrong, but t...
What are the differences between numpy arrays and matrices? Which one should I use?
... [ 5 8]]
The ** operator also behaves differently:
print(a**2)
# [[22 15]
# [10 7]]
print(c**2)
# [[16 9]
# [ 4 1]]
Since a is a matrix, a**2 returns the matrix product a*a.
Since c is an ndarray, c**2 returns an ndarray with each component squared
element-wise.
There are other technica...
laravel throwing MethodNotAllowedHttpException
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edited Oct 5 '19 at 15:54
Salim Djerbouh
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a...