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Does a dot have to be escaped in a character class (square brackets) of a regular expression?
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MrWhite
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answered Nov 14 '13 at 11:18
lilactiger89lilactige...
Postgres manually alter sequence
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edited Oct 23 '18 at 20:43
Is Ma
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answered Jan 5 '12 at 15:31
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bower automatically update bower.json
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answered Aug 24 '13 at 11:53
grugru
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Can you define aliases for imported modules in Python?
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answered Apr 1 '09 at 17:34
vartecvartec
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Crontab - Run in directory
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answered Jan 17 '12 at 18:40
Gilles 'SO- stop being evil'Gilles 'SO- stop being evil'
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what is the preferred way to mutate a React state?
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Rails how to run rake task
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answered Apr 12 '11 at 21:24
Andrew MarshallAndrew Marshall
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Reload .profile in bash shell script (in unix)?
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edited Feb 20 '12 at 12:41
bluish
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answered...
Sample random rows in dataframe
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460
First make some data:
> df = data.frame(matrix(rnorm(20), nrow=10))
> df
X1 ...