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How to show all shared libraries used by executables in Linux?
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13 Answers
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Grep characters before and after match?
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3 characters before and 4 characters after
$> echo "some123_string_and_another" | grep -o -P '.{0,3}string.{0,4}'
23_string_and
share
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rails 3 validation on uniqueness on multiple attributes
I use Rails 3.0.0.beta4
3 Answers
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Definition of a Balanced Tree
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edited Feb 5 '13 at 16:50
answered Feb 5 '13 at 16:30
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How to get all subsets of a set? (powerset)
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137
The Python itertools page has exactly a powerset recipe for this:
from itertools import chain,...
ab load testing
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327
The apache benchmark tool is very basic, and while it will give you a solid idea of some perfo...
What does the WPF star do (Width=“100*”)
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In a WPF Grid, Width="*" or Height="*" means proportional sizing.
For example: to give 30% to c...
Getting the count of unique values in a column in bash
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153
To see a frequency count for column two (for example):
awk -F '\t' '{print $2}' * | sort | uniq...
How to crop an image using PIL?
I want to crop image in the way by removing first 30 rows and last 30 rows from the given image. I have searched but did not get the exact solution. Does somebody have some suggestions?
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The simplest possible JavaScript countdown timer? [closed]
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3 Answers
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