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How to get a random number in Ruby

... 10 numbers, you can initialize them with: 10.times.map{ 20 + Random.rand(11) } #=> [26, 26, 22, 20, 30, 26, 23, 23, 25, 22] Note: Using Random.new.rand(20..30) (using Random.new) generally would not be a good idea, as explained in detail (again) by Marc-André Lafortune, in his answer (ag...
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Length of a JavaScript object

...t's already defined – vsync Jun 14 '11 at 11:30 19 ...
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Hide options in a select list using jQuery

... answered Aug 13 '09 at 11:55 chaoschaos 113k3030 gold badges288288 silver badges304304 bronze badges ...
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What is the command to list the available avdnames

... answered Oct 20 '11 at 15:09 ZelluXZelluX 54.2k1818 gold badges6666 silver badges103103 bronze badges ...
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What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?

...you with a wet noodle. – riwalk Aug 11 '10 at 18:49 3 @Billy: But only for the primitive versions...
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How to check an Android device is HDPI screen or MDPI screen?

... answered Feb 24 '11 at 2:03 SteDSteD 13.1k1212 gold badges5959 silver badges7373 bronze badges ...
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Show loading image while $.ajax is performed

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How to manually set an authenticated user in Spring Security / SpringMVC

... answered Jan 12 '11 at 17:48 Kevin StembridgeKevin Stembridge 6,96933 gold badges3232 silver badges4545 bronze badges ...
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ASP.NET MVC - TempData - Good or bad practice

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Count immediate child div elements using jQuery

... | edited Feb 11 '14 at 9:54 answered Oct 30 '08 at 15:49 ...