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How to correct TypeError: Unicode-objects must be encoded before hashing?
...that answer.
Now, the error message is clear: you can only use bytes, not Python strings (what used to be unicode in Python < 3), so you have to encode the strings with your preferred encoding: utf-32, utf-16, utf-8 or even one of the restricted 8-bit encodings (what some might call codepages).
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round() doesn't seem to be rounding properly
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As Vinko says, you can use string formatting to do rounding for display.
Python has a module for decimal arithmetic if you need that.
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How to find all occurrences of an element in a list?
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Or Use range (python 3):
l=[i for i in range(len(lst)) if lst[i]=='something...']
For (python 2):
l=[i for i in xrange(len(lst)) if lst[i]=='something...']
And then (both cases):
print(l)
Is as expected.
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why is plotting with Matplotlib so slow?
I'm currently evaluating different python plotting libraries. Right now I'm trying matplotlib and I'm quite disappointed with the performance. The following example is modified from SciPy examples and gives me only ~ 8 frames per second!
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Confusion between numpy, scipy, matplotlib and pylab
Numpy, scipy, matplotlib, and pylab are common terms among they who use python for scientific computation.
3 Answers
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List files ONLY in the current directory
In Python, I only want to list all the files in the current directory ONLY. I do not want files listed from any sub directory or parent.
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ValueError: math domain error
I was just testing an example from Numerical Methods in Engineering with Python .
4 Answers
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How do I plot in real-time in a while loop using matplotlib?
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This worked for me in Python2. In Python3 it did not. It would pause the loop after rendering the plot window. But after moving the plt.show() method to after the loop... it resolved it for Python3, for me.
– continuousqa
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How to reliably guess the encoding between MacRoman, CP1252, Latin1, UTF-8, and ASCII
...ource code, a really idiotic shortcoming of Java’s that neither Perl nor Python suffers from. It should be in the source. That isn’t our main problem though; it’s the 1000s of *.text files.
– tchrist
Nov 16 '10 at 21:07
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How to use a dot “.” to access members of dictionary?
How do I make Python dictionary members accessible via a dot "."?
24 Answers
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