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In Java, what is the best way to determine the size of an object?
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470
You can use the java.lang.instrument package
Compile and put this class in a JAR:
import java....
How to revert a Git Submodule pointer to the commit stored in the containing repository?
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edited Sep 15 at 1:10
answered Oct 24 '11 at 23:28
Br...
Detect if a NumPy array contains at least one non-numeric value?
...ng 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(numpy.isnan(x) for x in a.flatten())']
for m in ms:
print " %.2f s" ...
Sum a list of numbers in Python
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Question 1: So you want (element 0 + element 1) / 2, (element 1 + element 2) / 2, ... etc.
We make two lists: one of every element except the first, and one of every element except the last. Then the averages we want are the averages of each pair taken from...
brew install gcc too time consuming
...SmithTim Smith
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3
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Convert Pandas column containing NaNs to dtype `int`
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180
The lack of NaN rep in integer columns is a pandas "gotcha".
The usual workaround is to simply ...
How can I download HTML source in C#
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edited May 30 '18 at 10:37
Hakan Fıstık
9,09888 gold badges5757 silver badges8686 bronze badges
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Meaning of Open hashing and Closed hashing
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– Ken Wayne VanderLinde
Dec 3 '18 at 0:48
'This explains why "closed hashing" and "open addressing" are synonyms.'
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How to get result of console.trace() as string in javascript with chrome or firefox?
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103
I'm not sure about firefox, but in v8/chrome you can use a method on the Error constructor call...
How to log request and response body with Retrofit-Android?
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Alex DzeshkoAlex Dzeshko
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2
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