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Is there any difference between the `:key => “value”` and `key: “value”` hash notations?
...so use anything as a key with => so you can do this:
h = { C.new => 11 }
h = { 23 => 'pancakes house?' }
but you can't do this:
h = { C.new: 11 }
h = { 23: 'pancakes house?' }
The JavaScript style (key: value) is only useful if all of your Hash keys are "simple" symbols (more or less ...
How to create a custom exception type in Java? [duplicate]
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answered Dec 7 '11 at 22:46
Rion WilliamsRion Williams
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SQL - many-to-many table primary key
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edited May 23 '17 at 11:54
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Use of Application.DoEvents()
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answered Mar 3 '11 at 16:35
Hans PassantHans Passant
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How to override trait function and call it from the overridden function?
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Maciej Pyszyński
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answered Aug 13 '12 at 17:30
ircmaxellircmaxell
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Is there a predefined enumeration for Month in the .NET library?
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Perform Segue programmatically and pass parameters to the destination view
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answered Dec 20 '12 at 21:11
user1723341user1723341
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How can I combine hashes in Perl?
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Hans Ginzel
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answered Dec 8 '08 at 17:08
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How to gzip all files in all sub-directories into one compressed file in bash
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amitchhajeramitchhajer
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What 'sensitive information' could be disclosed when setting JsonRequestBehavior to AllowGet
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answered Feb 1 '14 at 14:06
SilverlightFoxSilverlightFox
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