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Detect if a NumPy array contains at least one non-numeric value?
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This should be faster than iterating and will work regardless of shape.
numpy.isnan(myarray).any()
Edit: 30x faster:
import timeit
s = 'import numpy;a = numpy.arange(10000.).reshape((100,100));a[10,10]=numpy.nan'
ms = [
'numpy.isnan(a).any()',
'any(n...
Map.clear() vs new Map : Which one will be better? [duplicate]
...h is backed with new array. So, garbage collector should clear all the key and values from the previous map, and clear the reference to itself. So O(n) algorithm is executed anyway, but in the garbage collector thread. For 1000 records you won't see any difference.
BUT. The performance guide tells ...
How to get arguments with flags in Bash
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What does the --action* and --output-dir* cases do?
– Lucio
Jul 23 '14 at 0:22
1
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What is the difference between '>' and a space in CSS selectors?
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> is the child selector. It specifies only immediate child elements and not any descendant (including grandchildren, grand-grandchildren etc.) as in the second example without the >.
The child selector is not supported by IE 6 and lower. A great compatibility table is here.
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Using Razor within JavaScript
...ut JavaScript code. JavaScript code should be placed in a static .js file, and then it should get the data that it needs either from an Ajax call or by scanning data- attributes from the HTML. Besides making it possible to cache your JavaScript code, this also avoids issues with encoding, since Razo...
Convert RGBA PNG to RGB with PIL
...com/mC4Wgqzv Thanks! Two things about your post though: The png.load() command seems to be unnecessary, and line 4 should be background = Image.new("RGB", png.size, (255, 255, 255)).
– Danilo Bargen
Feb 27 '12 at 14:39
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What is Domain Driven Design?
...s domain driven design? I see the term quite a lot but really don't understand what it is or what it looks like. How does it differ from non-domain driven design?
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github: No supported authentication methods available
i use github and have successfully added and synched files on my laptop in the past.
16 Answers
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Preventing referenced assembly PDB and XML files copied to output
... I'm finding that I'm also getting the referenced assemblies' .pdb (debug) and .xml (documentation) files in my output directory (and ZIP).
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Animate text change in UILabel
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I wonder if it works, and it works perfectly!
Objective-C
[UIView transitionWithView:self.label
duration:0.25f
options:UIViewAnimationOptionTransitionCrossDissolve
animations:^{
self.l...