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Unittest setUp/tearDown for several tests
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edited Dec 5 '11 at 20:13
answered Dec 5 '11 at 19:56
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delete map[key] in go?
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coolaj86
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answered Nov 15 '09 at 1:22
user181548user...
How to get indices of a sorted array in Python
...able:
>>> import numpy
>>> numpy.argsort(myList)
array([0, 1, 2, 4, 3])
http://docs.scipy.org/doc/numpy/reference/generated/numpy.argsort.html
This returns the arguments that would sort the array or list.
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Convert to binary and keep leading zeros in Python
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Use the format() function:
>>> format(14, '#010b')
'0b00001110'
The format() function simply formats the input following the Format Specification mini language. The # makes the format include the 0b prefix, and the 010 size formats the output to fit in 10 characters ...
Print a list in reverse order with range()?
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use reversed() function:
reversed(range(10))
It's much more meaningful.
Update:
If you want it to be a list (as btk pointed out):
list(reversed(range(10)))
Update:
If you want to use only range to achieve the same result, you can use all its parameters. ran...
python re.sub group: number after \number
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330
The answer is:
re.sub(r'(foo)', r'\g<1>123', 'foobar')
Relevant excerpt from the docs:
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How to redirect stderr and stdout to different files in the same line in script?
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edited Oct 26 '11 at 10:45
answered Oct 26 '11 at 10:38
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Formatting “yesterday's” date in python
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406
Use datetime.timedelta()
>>> from datetime import date, timedelta
>>> yester...
Test if string is a number in Ruby on Rails
...shua Pinter
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answered Apr 14 '11 at 10:13
Jakob SJakob S
17.6k33 gold b...
Why in Java 8 split sometimes removes empty strings at start of result array?
... in Java 7 and Java 8. The code is retrieved from grepcode, for version 7u40-b43 and 8-b132.
Java 7
public String[] split(CharSequence input, int limit) {
int index = 0;
boolean matchLimited = limit > 0;
ArrayList<String> matchList = new ArrayList<>();
Matcher m = ma...