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How can I safely create a nested directory?
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On Python ≥ 3.5, use pathlib.Path.mkdir:
from pathlib import Path
Path("/my/directory").mkdir(parents=True, exist_ok=True)
For older versions of Python, I see two answers with good qualities, each with a small flaw, so I will give my ...
What is the difference between NaN and None?
...= pd.Series([1, None], dtype=object)
s_good = pd.Series([1, np.nan])
In [13]: s_bad.dtype
Out[13]: dtype('O')
In [14]: s_good.dtype
Out[14]: dtype('float64')
Jeff comments (below) on this:
np.nan allows for vectorized operations; its a float value, while None, by definition, forces object ty...
Python regex find all overlapping matches?
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3 Answers
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Active
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How to map with index in Ruby?
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answered Jan 15 '11 at 1:37
sepp2ksepp2k
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How do I detach objects in Entity Framework Code First?
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saluce
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answered Apr 8 '11 at 20:00
Ladislav MrnkaLadislav...
finding the type of an element using jQuery
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3 Answers
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Use rvmrc or ruby-version file to set a project gemset with RVM?
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372
If your .rvmrc file contains custom shell code, continue using .rvmrc as it allows you to incl...
How can I open Windows Explorer to a certain directory from within a WPF app?
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314
Why not Process.Start(@"c:\test");?
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Cannot serve WCF services in IIS on Windows 8
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Callum Watkins
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answered Jul 12 '12 at 20:35
faesterfaester
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Why should I prefer single 'await Task.WhenAll' over multiple awaits?
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edited Jun 25 '19 at 16:31
answered Aug 19 '13 at 10:02
u...
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