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Track the time a command takes in UNIX/LINUX?
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How to select where ID in Array Rails ActiveRecord without exception
...f functions works without throwing exceptions.
Comment.find_all_by_id([2, 3, 5])
will work even if some of the ids don't exist. This works in the
user.comments.find_all_by_id(potentially_nonexistent_ids)
case as well.
Update: Rails 4
Comment.where(id: [2, 3, 5])
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Hiding textarea resize handle in Safari
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mailto link multiple body lines
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edited May 23 '17 at 12:02
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answered Apr 27 '12 at 19:04
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Meaning
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123
Modules Preconditions:
The IIS core engine uses preconditions to determine when to enable a par...
Add column to SQL Server
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edited Jan 1 '15 at 13:13
answered Apr 14 '11 at 16:07
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What is the difference between async.waterfall and async.series
...el, async.waterfall would be for a data pipeline ("given 2, multiply it by 3, add 2, and divide by 17"), while async.series would be for discrete tasks that must be performed in order, but are otherwise separate.
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How to collapse all methods in Xcode?
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edited Oct 12 '15 at 11:37
answered Feb 15 '11 at 14:24
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What does jQuery.fn mean?
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853
In jQuery, the fn property is just an alias to the prototype property.
The jQuery identifier (o...