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Check if a method exists
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answered Apr 28 '10 at 20:26
kennytmkennytm
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Fastest Way to Serve a File Using PHP
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answered Sep 16 '10 at 23:29
Julien RoncagliaJulien Roncaglia
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break out of if and foreach
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answered Mar 10 '16 at 23:32
serraosaysserraosays
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How to install a specific version of a ruby gem?
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answered Jun 10 '13 at 14:37
mjsmjs
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How to make a great R reproducible example
...used for making factors.
A few examples :
random values : x <- rnorm(10) for normal distribution, x <- runif(10) for uniform distribution, ...
a permutation of some values : x <- sample(1:10) for vector 1:10 in random order.
a random factor : x <- sample(letters[1:4], 20, replace = TR...
if arguments is equal to this string, define a variable like this string
...e has changed.
– unsynchronized
Jun 10 '16 at 8:46
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Check if value is in select list with JQuery
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edited Feb 12 '10 at 1:16
answered Feb 12 '10 at 1:08
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check if directory exists and delete in one command unix
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Dominic MitchellDominic Mitchell
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Apache Spark: map vs mapPartitions?
... so.
– Nicholas White
Jan 18 '14 at 10:52
If you look at the source -- github.com/apache/incubator-spark/blob/… and ...
unix - head AND tail of file
Say you have a txt file, what is the command to view the top 10 lines and bottom 10 lines of file simultaneously?
20 Answer...