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How do I correctly clean up a Python object?
... credence to using a context manager solution: andy-pearce.com/blog/posts/2013/Apr/python-destructor-drawbacks
– eikonomega
Jan 15 '14 at 20:53
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How expensive is the lock statement?
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Jake PearsonJake Pearson
23.5k1010 gold badges6767 silver badges8989 bronze badges
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Why do we always prefer using parameters in SQL statements?
... Dim results = command.ExecuteReader()
End Using
End Using
Edit 2016-4-25:
As per George Stocker's comment, I changed the sample code to not use AddWithValue. Also, it is generally recommended that you wrap IDisposables in using statements.
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Delete rows from a pandas DataFrame based on a conditional expression involving len(string) giving K
...om.randn(int(1e6))})
test.drop(test[test.x > 0].index, inplace=True)
# 201 ms ± 17.9 ms per loop (mean ± std. dev. of 7 runs, 10 loops each)
%%timeit
test = pd.DataFrame({'x': np.random.randn(int(1e6))})
test = test.drop(test[test.x > 0].index)
# 194 ms ± 7.03 ms per loop (mean ± std. dev...
Open file via SSH and Sudo with Emacs
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The real answer as of 2014/24.3 is the following answer, using "ad-hoc multi-hops"
– TomRoche
Sep 15 '14 at 20:31
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How to use Namespaces in Swift?
...w?
– Dan Rosenstark
Jan 26 '15 at 3:01
1
@Yar as stated in the edits. The module name is an optio...
Why can't stash be applied to the working directory?
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edited Dec 3 '19 at 16:01
Kamafeather
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answere...
How can I rename a database column in a Ruby on Rails migration?
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edited Sep 14 '13 at 2:01
answered Aug 30 '13 at 22:08
P...
Where is shared_ptr?
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edited Mar 9 '12 at 3:01
answered May 27 '10 at 3:09
Ja...
Generate random password string with requirements in javascript
...ree, but sometimes you dont get to decide ;)
– ffffff01
Mar 15 '12 at 12:40
40
DO NOT USE THIS: S...