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Print list without brackets in a single row
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Changing the “tick frequency” on x or y axis in matplotlib?
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In a javascript array, how do I get the last 5 elements, excluding the first element?
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You can call:
arr.slice(Math.max(arr.length - 5, 1))
If you don't want to exclude the first element, use
arr.slice(Math.max(arr.length - 5, 0))
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How to iterate over arguments in a Bash script
...hat I'd like to make a shell/bash script of. I can write it in terms of $1 easily:
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Operation on every pair of element in a list
... module. It does exactly what you describe.
import itertools
my_list = [1,2,3,4]
for pair in itertools.product(my_list, repeat=2):
foo(*pair)
This is equivalent to:
my_list = [1,2,3,4]
for x in my_list:
for y in my_list:
foo(x, y)
Edit: There are two very similar functions as...
Error: “dictionary update sequence element #0 has length 1; 2 is required” on Django 1.4
I have an error message on django 1.4:
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Underscore: sortBy() based on multiple attributes
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Inserting a PDF file in LaTeX
...myfile.pdf}
To include just the first page of a PDF:
\includepdf[pages={1}]{myfile.pdf}
Run texdoc pdfpages in a shell to see the complete manual for pdfpages.
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How to count the number of true elements in a NumPy bool array
...:
>>> import numpy as np
>>> boolarr = np.array([[0, 0, 1], [1, 0, 1], [1, 0, 1]], dtype=np.bool)
>>> boolarr
array([[False, False, True],
[ True, False, True],
[ True, False, True]], dtype=bool)
>>> np.sum(boolarr)
5
Of course, that is a bool...