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What does 'stale file handle' in Linux mean?
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Can I prevent the Firefox developer tools network panel from clearing on page reload?
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How to preserve line breaks when storing a command output to a variable in bash?
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How can I add CGPoint objects to an NSArray the easy way?
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validation custom message for rails 3
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Getting the return value of Javascript code in Selenium
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Twig ternary operator, Shorthand if-then-else
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Python mock multiple return values
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How can I tell Moq to return a Task?
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How to generate a random number between a and b in Ruby?
...
UPDATE: Ruby 1.9.3 Kernel#rand also accepts ranges
rand(a..b)
http://www.rubyinside.com/ruby-1-9-3-introduction-and-changes-5428.html
Converting to array may be too expensive, and it's unnecessary.
(a..b).to_a.sample
Or
[*a..b].sample
Array#sample
Standard in Ruby 1.8.7+.
Note: was...