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How to run a Runnable thread in Android at defined intervals?
... developed an application to display some text at defined intervals in the Android emulator screen. I am using the Handler class. Here is a snippet from my code:
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How can I check a C# variable is an empty string “” or null? [duplicate]
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Very simple and useful. I wish PHP could have something like this
– Andrew Liu
Dec 17 '15 at 5:23
6
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Automatically plot different colored lines
I'm trying to plot several kernel density estimations on the same graph, and I want them to all be different colors. I have a kludged solution using a string 'rgbcmyk' and stepping through it for each separate plot, but I start having duplicates after 7 iterations. Is there an easier/more efficien...
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...
Perl flags -pe, -pi, -p, -w, -d, -i, -t?
...oogle for what each flag means, I mainly get results to generic Perl sites and no specific information regarding the flags or their use is found there.
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Why is there no Char.Empty like String.Empty?
...ld you want a separate field for it? Equally, the "it's easy to confuse "" and " "" arguments don't apply for '\0'.
If you could give an example of where you'd want to use it and why you think it would be better, that might help...
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How to compare if two structs, slices or maps are equal?
I want to check if two structs, slices and maps are equal.
5 Answers
5
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npm throws error without sudo
I just installed node and npm through the package on nodejs.org and whenever I try to search or install something with npm it throws the following error, unless I sudo the command. I have a feeling this is a permissions issue? I am already the admin.
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Disadvantages of Test Driven Development? [closed]
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Several downsides (and I'm not claiming there are no benefits - especially when writing the foundation of a project - it'd save a lot of time at the end):
Big time investment. For the simple case you lose about 20% of the actual implementatio...
Vertically centering a div inside another div [duplicate]
...n middle works, but you will have to use table-cell on your parent element and inline-block on the child.
This solution is not going to work in IE6 & 7. Yours is the safer way to go for those. But since you tagged your question with CSS3 and HTML5 I was thinking that you don't mind using a mode...