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Non-alphanumeric list order from os.listdir()
...if I am in a current directory containing the following subdirectories: run01, run02, ... run19, run20, and then I generate a list from the following command:
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Stripping everything but alphanumeric chars from a string in Python
... string" \
"''.join(ch for ch in string.printable if ch.isalnum())"
10000 loops, best of 3: 57.6 usec per loop
$ python -m timeit -s \
"import string" \
"filter(str.isalnum, string.printable)"
10000 loops, best of 3: 37.9 usec per loop
$ python -m timeit -s \
"im...
How do you run a SQL Server query from PowerShell?
... TylerH
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answered Sep 21 '13 at 17:35
Chris MagnusonChris Magnuson
4,...
Get name of object or class
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370
Get your object's constructor function and then inspect its name property.
myObj.constructor.na...
How to stage only part of a new file with git?
.../shame>
– sehe
Jun 22 '11 at 13:20
1
Well found. I should have scrolled the man page a bit fur...
Is it possible to use JS to open an HTML select to show its option list? [duplicate]
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edited Jul 10 '18 at 10:31
answered Jan 10 '09 at 0:20
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ArrayList initialization equivalent to array initialization [duplicate]
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answered May 3 '10 at 20:33
meritonmeriton
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How do I use Wget to download all images into a single folder, from a URL?
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edited Mar 4 '18 at 0:13
Monica Heddneck
2,71755 gold badges3131 silver badges7171 bronze badges
a...
Comparing two dataframes and getting the differences
...pby(list(df.columns))
get index of unique records
>>> idx = [x[0] for x in df_gpby.groups.values() if len(x) == 1]
filter
>>> df.reindex(idx)
Date Fruit Num Color
9 2013-11-25 Orange 8.6 Orange
8 2013-11-25 Apple 22.1 Red
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How to decorate a class?
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80
I would second the notion that you may wish to consider a subclass instead of the approach you'v...