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Converting numpy dtypes to native python types
...e64(0, 'D').item()) # <class 'datetime.date'>
type(np.datetime64('2001-01-01 00:00:00').item()) # <class 'datetime.datetime'>
type(np.timedelta64(0, 'D').item()) # <class 'datetime.timedelta'>
...
(Another method is np.asscalar(val), however it is deprecated since NumPy 1.16).
...
Best way to resolve file path too long exception
...t it doesn't make any sense. Why is there a path-size limitation??? it is 2017.
– Jaider
Jan 18 '17 at 19:04
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Logical XOR operator in C++?
...= !(a)
– Chris Lutz
Oct 21 '09 at 0:01
6
@ChrisLutz: yes, but beware of overloaded operators.
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How can I convert JSON to a HashMap using Gson?
...
Line
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answered Apr 11 '13 at 7:39
cheritcherit
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Find the Smallest Integer Not in a List
...titioning assume that you can represent the entire list in memory. In the form the question was asked, this would require O(N) 64-bit words.)
@Jorn comments that steps 1 through 3 are a variation on counting sort. In a sense he is right, but the differences are significant:
A counting sort re...
How to round up to the nearest 10 (or 100 or X)?
... when x is a vector:
> roundUp(c(0.0023, 3.99, 10, 1003))
[1] 1e-02 1e+01 1e+01 1e+04
..but if you want to round to a "nice" number, you first need to define what a "nice" number is. The following lets us define "nice" as a vector with nice base values from 1 to 10. The default is set to the e...
Efficiently checking if arbitrary object is NaN in Python / numpy / pandas?
...NaT you won't need to specify the dtype)
In [24]: s = Series([Timestamp('20130101'),np.nan,Timestamp('20130102 9:30')],dtype='M8[ns]')
In [25]: s
Out[25]:
0 2013-01-01 00:00:00
1 NaT
2 2013-01-02 09:30:00
dtype: datetime64[ns]``
In [26]: pd.isnull(s)
Out[26]:
0 False
1 ...
Python vs Bash - In which kind of tasks each one outruns the other performance-wise? [closed]
...tions.
There is no language-wide difference between Python and Bash in performance. It entirely depends on how each is coded and which external tools are called.
Any of the well known tools like awk, sed, grep, bc, dc, tr, etc. will leave doing those operations in either language in the dust. Bash...
Requirejs why and when to use shim config
...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); });
$window.unbind('scroll', onScroll);
}
};
...
Clearing purchases from iOS in-app purchase sandbox for a test user
...d a "plus" string to the email to create aliases for an address: so tester+01@gmail.com and tester+02@gmail.com both really just go to tester@gmail.com. Probably other email hosts do the same. When you create a test account you need to introduce: first name, last name, email address, password, secre...