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Difference between return and exit in Bash functions
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How to reset / remove chrome's input highlighting / focus border? [duplicate]
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answered May 31 '10 at 12:41
PekkaPekka
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Sort an array in Java
I'm trying to make a program that consists of an array of 10 integers which all has a random value, so far so good.
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Why would an Enum implement an Interface?
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answered Apr 25 '10 at 19:34
Brian AgnewBrian Agnew
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Why is division in Ruby returning an integer instead of decimal value?
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This works but the to_f answer below seems more useful. Is to_f more idiomatic in Ruby?
– notapatch
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How to set warning level in CMake?
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answered Sep 29 '10 at 0:57
mloskotmloskot
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UITableView didSelectRowAtIndexPath: not being called on first tap
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answered Jan 21 '10 at 2:17
Ole BegemannOle Begemann
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Why does Razor _layout.cshtml have a leading underscore in file name?
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Michael Stum♦Michael Stum
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How to move screen without moving cursor in Vim?
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answered Aug 11 '10 at 13:34
Kevin VaughanKevin Vaughan
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What is the purpose of setting a key in data.table?
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require(data.table)
DT <- data.table(x=rep(1:5, each=2), y=1:10)
DT[, mean(y), by=x] # no key is set, order of groups preserved in result
However, prior to v1.9.6, joins of the form x[i] required key to be set on x. With the new on= argument from v1.9.6+, this is not true anymore, an...