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Truncating floats in Python
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First, the function, for those who just want some copy-and-paste code:
def truncate(f, n):
'''Truncates/pads a float f to n decimal places without rounding'''
s = '{}'.format(f)
if 'e' in s or 'E' in s:
return '{0:.{1}f}'.format(f, n)
i, p, d = s.partitio...
How can I update NodeJS and NPM to the next versions?
I just installed Node.js and npm (for additional modules).
47 Answers
47
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How does zip(*[iter(s)]*n) work in Python?
...unction call. Therefore you're passing the same iterator 3 times to zip(), and it pulls an item from the iterator each time.
x = iter([1,2,3,4,5,6,7,8,9])
print zip(x, x, x)
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Iterate over a list of files with spaces
...t to iterate over a list of files. This list is the result of a find command, so I came up with:
11 Answers
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Use RSA private key to generate public key?
I don't really understand this one:
9 Answers
9
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Length of string in bash
How do you get the length of a string stored in a variable and assign that to another variable?
8 Answers
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Writing a list to a file with Python
...use pickle or json so that you don't have to worry about the serialization and deserialization?
– Jason Baker
May 22 '09 at 18:37
90
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Understanding slice notation
...t value that is not in the selected slice. So, the difference between stop and start is the number of elements selected (if step is 1, the default).
The other feature is that start or stop may be a negative number, which means it counts from the end of the array instead of the beginning. So:
a[-1]...
Find CRLF in Notepad++
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But if you have Notepad++ 5.x, you can use the 'extended' search mode and look for \r\n. That does find all your CRLF.
(I realize this is the same answer than the others, but again, 'extended mode' is only available with Notepad++ 4.9, 5.x and more)
Since April 2009, you have a wiki article...
Best way to check for “empty or null value”
...red May 20 '14 at 18:47
Erwin BrandstetterErwin Brandstetter
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