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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 ...
Python regex find all overlapping matches?
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3 Answers
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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...
Use rvmrc or ruby-version file to set a project gemset with RVM?
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If your .rvmrc file contains custom shell code, continue using .rvmrc as it allows you to incl...
finding the type of an element using jQuery
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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...
How do I specify a password to 'psql' non-interactively?
...~/.pgpass file to avoid regularly having to type in passwords. See Section 30.13 for more information.
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This file should contain lines of the following format:
hostname:port:database:username:password
The password field from the first line that matches the current connection paramete...
Abort Ajax requests using jQuery
.... See The jqXHR Object (jQuery API documentation).
UPDATE 2:
As of jQuery 3, the ajax method now returns a promise with extra methods (like abort), so the above code still works, though the object being returned is not an xhr any more. See the 3.0 blog here.
UPDATE 3: xhr.abort() still works on j...
Dynamically creating keys in a JavaScript associative array
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edited Aug 3 '12 at 1:40
bkaid
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jQuery: select all elements of a given class, except for a particular Id
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edited Oct 25 '16 at 17:37
JonH
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answered M...