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Why Collections.sort uses merge sort instead of quicksort?
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188
Highly likely from Josh Bloch §:
I did write these methods, so I suppose I'm qualified to ...
Rails “validates_uniqueness_of” Case Sensitivity
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answered Mar 27 '09 at 18:03
Jordan BroughJordan Brough
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In Eclipse, can I have multiple Console views at once, each showing a different Console?
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298
Yes,
located near your console tab should be a button "Open Console".
If you click this butto...
How to convert a boolean array to an int array
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BrenBarnBrenBarn
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6
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How to subtract 30 days from the current datetime in mysql?
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8 Answers
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load and execute order of scripts
... Lucio Paiva
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answered Jan 25 '12 at 1:38
jfriend00jfriend00
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Count, size, length…too many choices in Ruby?
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edited Jun 5 '13 at 11:28
Yarin
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answere...
What to do with “Unexpected indent” in python?
...is allowed (at least on my version of Python), but Python assumes tabs are 8 characters long, which may not match your editor. Just say "no" to tabs. Most editors allow them to be automatically replaced by spaces.
The best way to avoid these issues is to always use a consistent number of spaces whe...
In Firebase, is there a way to get the number of children of a node without loading all the node dat
...ions-samples/blob/master/child-count/functions/index.js
Update January 2018
The firebase docs have changed so instead of event we now have change and context.
The given example throws an error complaining that event.data is undefined. This pattern seems to work better:
exports.countPrescriptions...
What is the difference between `raise “foo”` and `raise Exception.new(“foo”)`?
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Andrew Grimm
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answered Jan 26 '11 at 10:29
Daniel LucraftDaniel Lucraft
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