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Declaring variables inside or outside of a loop
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edited Aug 6 '17 at 13:35
answered Jan 10 '12 at 13:12
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How to use a custom comparison function in Python 3?
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53
Use the key argument (and follow the recipe on how to convert your old cmp function to a key fun...
In-memory size of a Python structure
Is there a reference for the memory size of Python data stucture on 32- and 64-bit platforms?
7 Answers
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Equivalent of String.format in jQuery
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answered Jun 24 '09 at 15:03
Josh StodolaJosh Stodola
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How do you run multiple programs in parallel from a bash script?
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psmearspsmears
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54
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Is a Python list guaranteed to have its elements stay in the order they are inserted in?
...nd places it behind the content of another.
If we have
list1 = [0, 1, 2, 3, 4]
list2 = [5, 6, 7, 8, 9]
Then
list1 + list2
Is the same as
[0, 1, 2, 3, 4] + [5, 6, 7, 8, 9]
Which evaluates to
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
Much like
"abdcde" + "fghijk"
Produces
"abdcdefghijk"
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How to split a column into two columns?
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143
There might be a better way, but this here's one approach:
row
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Redirect stderr and stdout in Bash
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31
This syntax is deprecated according to the Bash Hackers Wiki. Is it?
– Salman von Abbas
Jul 11 '12 a...
Batch files - number of command line arguments
...imrodmnimrodm
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7
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Regex to validate date format dd/mm/yyyy
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336
The regex you pasted does not validate leap years correctly, but there is one that does in the...