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Remove duplicate entries using a Bash script [duplicate]
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417
You can sort then uniq:
$ sort -u input.txt
Or use awk:
$ awk '!a[$0]++' input.txt
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rails 3 validation on uniqueness on multiple attributes
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edited Aug 15 '14 at 14:15
Jason Swett
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How do I pass parameters to a jar file at the time of execution?
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145
To pass arguments to the jar:
java -jar myjar.jar one two
You can access them in the main(...
PHP shell_exec() vs exec()
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edited Apr 25 '16 at 22:39
aland
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Count how many files in directory PHP
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15 Answers
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How to drop into REPL (Read, Eval, Print, Loop) from Python code
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105
You could try using the interactive option for python:
python -i program.py
This will execu...
Comments in .gitignore?
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713
Yes, you may put comments in there. They however must start at the beginning of a line.
cf. ht...
How to run a background task in a servlet based web application?
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218
Your problem is that you misunderstand the purpose of the servlet. It's intented to act on HTTP...
What's the difference between --general-numeric-sort and --numeric-sort options in gnu sort
...ic sort compares the numbers as floats, this allows scientific notation eg 1.234E10 but is slower and subject to rounding error (1.2345678 could come after 1.2345679), numeric sort is just a regular alphabetic sort that knows 10 comes after 9.
See http://www.gnu.org/software/coreutils/manual/h...
Regex for password must contain at least eight characters, at least one number and both lower and up
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31 Answers
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