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How to elegantly rename all keys in a hash in Ruby? [duplicate]
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ages = { 'Bruce' => 32, 'Clark' => 28 }
mappings = { 'Bruce' => 'Bruce Wayne', 'Clark' => 'Clark Kent' }
ages.transform_keys(&mappings.method(:[]))
#=> { 'Bruce Wayne' => 32, 'Clark Kent' => 28 }
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What does the “|” (single pipe) do in JavaScript?
... @MaBi: You should however know that the value is converted to a 32-bit integer, so it won't work properly for larger numbers.
– Guffa
May 5 '15 at 17:51
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Ruby on Rails patterns - decorator vs presenter
... Dave NewtonDave Newton
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What is the meaning of polyfills in HTML5?
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answered Aug 17 '11 at 2:32
Calvin FroedgeCalvin Froedge
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YAML Multi-Line Arrays
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have you tried this?
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name: Jack
age: 32
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name: Claudia
age: 25
I get this: [{"name"=>"Jack", "age"=>32}, {"name"=>"Claudia", "age"=>25}] (I use the YAML Ruby class).
s...
IISExpress Log File Location
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answered Apr 27 '11 at 5:32
vikomallvikomall
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How to make Scroll From Source feature always enabled?
...schalimartines
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Open a file from Cygwin
...) cmd /c start programThatCrashes.exe Also, programThatCrashes.exe is a Win32 console program that just crashes. Both launch a new console window to run the program. However, the first one (cygstart) causes a crash dialog to appear and allows just-in-time debugging. The second one (cmd /c start) ...
MySQL select with CONCAT condition
...to do so
– gypaetus
Aug 8 '13 at 19:32
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For a bulky table with many rows, I think it would be un...
How to copy yanked text to VI command prompt
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answered May 25 '09 at 12:32
RookRook
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