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How can I check if my python object is a number? [duplicate]
...;> import decimal
>>> [isinstance(x, numbers.Number) for x in (0, 0.0, 0j, decimal.Decimal(0))]
[True, True, True, True]
This uses ABCs and will work for all built-in number-like classes, and also for all third-party classes if they are worth their salt (registered as subclasses of the...
initializer_list and move semantics
...
90
No, that won't work as intended; you will still get copies. I'm pretty surprised by this, as I'd...
How to evaluate http response codes from bash/shell script?
...fix to one of our webservers that frequently fails, returning status code 500 with an error message. Once this happens, it needs to be restarted.
...
onchange event on input type=range is not triggering in firefox while dragging
... from the mouse and the keyboard.
However, oninput is not supported in IE10, so your best bet is to combine the two event handlers, like this:
<span id="valBox"></span>
<input type="range" min="5" max="10" step="1"
oninput="showVal(this.value)" onchange="showVal(this.value)">...
How do I set up email confirmation with Devise?
...
208
1. Make sure you include confirmable in Model.devise call
class User < ActiveRecord::Base
...
What is the difference between Normalize.css and Reset CSS?
...
808
I work on normalize.css.
The main differences are:
Normalize.css preserves useful defaults r...
Does a view exist in ASP.NET MVC?
...
edited Apr 27 '16 at 16:20
Stachu
4,35122 gold badges2626 silver badges3333 bronze badges
answered Jun ...
How to write a multidimensional array to a text file?
... file.
E.g. This (a 2D array) works fine
import numpy as np
x = np.arange(20).reshape((4,5))
np.savetxt('test.txt', x)
While the same thing would fail (with a rather uninformative error: TypeError: float argument required, not numpy.ndarray) for a 3D array:
import numpy as np
x = np.arange(200).res...
Where can I set environment variables that crontab will use?
...ironment before running the command.
Always.
# @(#)$Id: crontab,v 4.2 2007/09/17 02:41:00 jleffler Exp $
# Crontab file for Home Directory for Jonathan Leffler (JL)
#-----------------------------------------------------------------------------
#Min Hour Day Month Weekday Command
#...