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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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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...
Can hash tables really be O(1)?
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edited May 5 '10 at 8:21
answered May 5 '10 at 7:51
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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 ...
Why not use Double or Float to represent currency?
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1028
Because floats and doubles cannot accurately represent the base 10 multiples that we use for ...
How to check if NSString begins with a certain character
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10 Answers
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cleanest way to skip a foreach if array is empty [duplicate]
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edited Sep 13 '18 at 10:18
answered Aug 10 '10 at 6:26
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Exploitable PHP functions
... is a vulnerability.
– rook
Sep 19 '10 at 9:59
8
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Cancellation token in Task constructor: why?
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answered Sep 14 '10 at 21:38
Max GalkinMax Galkin
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Create table in SQLite only if it doesn't exist already
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answered Nov 4 '10 at 15:06
David WoleverDavid Wolever
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