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Ruby Array find_first object?
...ethod if you wanted to return first value where block returns true
[1,2,3,11,34].detect(&:even?) #=> 2
OR
[1,2,3,11,34].detect{|i| i.even?} #=> 2
If you wanted to return all values where block returns true then use select
[1,2,3,11,34].select(&:even?) #=> [2, 34]
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How do I get an HttpContext object from HttpContextBase in ASP.NET MVC 1?
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edited May 23 '17 at 11:47
Community♦
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answered Dec 31 '10 at 2:34
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grepping using the “|” alternative operator
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answered Jul 21 '11 at 12:21
Jeff FosterJeff Foster
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How to use greater than operator with date?
...acktick instead
SELECT * FROM `la_schedule` WHERE `start_date` > '2012-11-18';
SQLFiddle Demo
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Using NumberPicker Widget with Strings
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nannan
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Django in / not in query
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edited Apr 11 '19 at 7:25
Olivier Pons
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Using Vim's persistent undo?
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– Matthias Braun
Feb 18 '15 at 15:11
2
Ah. My primary reason for using the -p flag is actually ...
Error: Jump to case label
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edited Dec 27 '11 at 14:40
answered Apr 16 '11 at 9:33
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Escaping a forward slash in a regular expression
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nhahtdh
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answered May 20 '11 at 18:38
Crayon ViolentCrayon Violent
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Create array of symbols
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The original answer was written back in September '11, but, starting from Ruby 2.0, there is a shorter way to create an array of symbols! This literal:
%i[address city state postal country]
will do exactly what you want.
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