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How can I check whether a numpy array is empty or not?
...an always take 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
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How do I get the resource id of an image if I know its name?
How do I get the resource id of an image if I know its name (in Android)?
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Does MySQL foreign_key_checks affect the entire database?
When I execute this command in MySQL:
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Difference between document.addEventListener and window.addEventListener?
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The document and window are different objects and they have some different events. Using addEventListener() on them listens to events destined for a different object. You should use the one that actually has the event you are interested...
How to git-svn clone the last n revisions from a Subversion repository?
... graph (DAG), which makes it trivial to walk back n commits. But in SVN ( and therefore in Git-SVN) you will have to find the revision number yourself.
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How to expand/collapse a diff sections in Vimdiff?
I've started using vimdiff today, and wanted to do some of the things that I've taken for granted on Windows based diff editors (like expand/collapse a diff section, have full file expansion/only diffs with 3 context lines above or below, etc.). I currently know only the following commands :
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Is it possible to pass query parameters via Django's {% url %} template tag?
...d Jan 4 '11 at 7:51
Daniel RosemanDaniel Roseman
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send Content-Type: application/json post with node.js
...would we do this using 'http' module ? Thank you.
– Andrei Diaconescu
Jun 23 at 10:03
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What does __FILE__ mean in Ruby?
... file foo.rb, __FILE__ would be interpreted as "foo.rb".
Edit: Ruby 1.9.2 and 1.9.3 appear to behave a little differently from what Luke Bayes said in his comment. With these files:
# test.rb
puts __FILE__
require './dir2/test.rb'
# dir2/test.rb
puts __FILE__
Running ruby test.rb will output
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Is it possible to hide extension resources in the Chrome web inspector network tab?
...ed for it here https://code.google.com/p/chromium/issues/detail?id=239401 and now it is possible.
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