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An example of how to use getopts in bash
...in/bash
usage() { echo "Usage: $0 [-s <45|90>] [-p <string>]" 1>&2; exit 1; }
while getopts ":s:p:" o; do
case "${o}" in
s)
s=${OPTARG}
((s == 45 || s == 90)) || usage
;;
p)
p=${OPTARG}
;;
*)...
O(nlogn) Algorithm - Find three evenly spaced ones within binary string
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31 Answers
31
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Problems with lib-icu dependency when installing Symfony 2.3.x via Composer
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118
update your php-intl extension, that's where the icu error comes from!
sudo aptitude install ...
sys.argv[1] meaning in script
... (In reference to my example below) in simplified terms what the sys.argv[1] represents. Is it simply asking for an input?
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Convert the values in a column into row names in an existing data frame
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138
This should do:
samp2 <- samp[,-1]
rownames(samp2) <- samp[,1]
So in short, no there ...
What is the role of the bias in neural networks? [closed]
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1394
+50
I thin...
What is the best Java email address validation method? [closed]
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19 Answers
19
Active
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How to delete duplicate lines in a file without sorting it in Unix?
...e expression evaluates to true. The ++ increments seen so that seen[$0] == 1 after the first time a line is found and then seen[$0] == 2, and so on.
Awk evaluates everything but 0 and "" (empty string) to true. If a duplicate line is placed in seen then !seen[$0] will evaluate to false and the line ...
How can I get a list of locally installed Python modules?
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+100
Solution
Do not use with pip > 10.0!
My 50 cents for getting a pip freeze-like list from a Python script:
import pip
installed...