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Test if a variable is set in bash when using “set -o nounset”
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edited Aug 5 '15 at 9:24
Flimm
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How to debug an apache virtual host configuration?
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5
-S is a synonym for -t -D DUMP_VHOSTS so those two are the same
– aron.duby
Jan 20 '15 at 19:40
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How do I access the host machine from the guest machine? [closed]
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edited Apr 5 '18 at 17:13
nbro
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Comment the interface, implementation or both?
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Neeme PraksNeeme Praks
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How bad is shadowing names defined in outer scopes?
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edited May 10 '15 at 19:26
felipsmartins
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How do I control how Emacs makes backup files?
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5 Answers
5
Active
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Counting the number of elements with the values of x in a vector
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521
You can just use table():
> a <- table(numbers)
> a
numbers
4 5 23 34 43 54 ...
Convert to binary and keep leading zeros in Python
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225
Use the format() function:
>>> format(14, '#010b')
'0b00001110'
The format() functio...
String.equals versus == [duplicate]
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567
Use the string.equals(Object other) function to compare strings, not the == operator.
The fun...
File changed listener in Java
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Rutesh MakhijaniRutesh Makhijani
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