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How can I check whether a numpy array is empty or not?
...e a look at the .size attribute. It is defined as an integer, and is zero (0) when there are no elements in the array:
import numpy as np
a = np.array([])
if a.size == 0:
# Do something when `a` is empty
share
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Is \d not supported by grep's basic expressions?
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rogerdpack
46.3k3030 gold badges200200 silver badges315315 bronze badges
answered Aug 1 '11 at 16:08
DaenythDaenyth
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How do I profile memory usage in Python?
...ex Count % Size % Cumulative % Kind (class / dict of class)
0 25773 53 1612820 49 1612820 49 str
1 11699 24 483960 15 2096780 64 tuple
2 174 0 241584 7 2338364 72 dict of module
3 3478 7 222592 7 2560956 78 types.CodeType
4 3...
Depend on a branch or tag using a git URL in a package.json?
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580
From the npm docs:
git://github.com/<user>/<project>.git#<branch>
git://gith...
Creating a JavaScript cookie on a domain and reading it across sub domains
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209
Just set the domain and path attributes on your cookie, like:
<script type="text/javascript...
Never seen before C++ for loop
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320
The condition of the for loop is in the middle - between the two semicolons ;.
In C++ it is OK ...
Why were pandas merges in python faster than data.table merges in R in 2012?
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120
It looks like Wes may have discovered a known issue in data.table when the number of unique stri...
Is it possible to display inline images from html in an Android TextView?
...
Drawable d = getResources().getDrawable(id);
d.setBounds(0,0,d.getIntrinsicWidth(),d.getIntrinsicHeight());
return d;
}
};
You'd probably want to figure out something smarter for mapping source strings to resource IDs though.
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What do 'real', 'user' and 'sys' mean in the output of time(1)?
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2130
Real, User and Sys process time statistics
One of these things is not like the other. Real ref...
Content Security Policy “data” not working for base64 Images in Chrome 28
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edited Dec 9 '16 at 10:25
Pang
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answered...