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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 does @synchronized lock/unlock in Objective-C?
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tchrist
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answered Aug 1 '09 at 1:13
Louis GerbargLouis Gerbarg
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Can I Set “android:layout_below” at Runtime Programmatically?
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Pankaj Lilan
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answered Jul 18 '10 at 21:20
Rich SchulerRich Schul...
how to set a value for a span using JQuery
... .text and .html ?
– ZaidRehman
Jan 11 '18 at 11:56
4
@Zaid .text() will escape any HTML characte...
How to set UICollectionViewDelegateFlowLayout?
... I do?
– gaussblurinc
May 29 '14 at 11:50
3
probably, self.collectionViewLayout = UICollectionVie...
Format in kotlin string templates
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edited Oct 20 '19 at 14:11
weston
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answer...
Extension methods cannot be dynamically dispatched
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answered Jan 5 '14 at 11:12
basbas
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How to remove origin from git repository
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answered Dec 25 '19 at 11:08
Mandeep Singh GillMandeep Singh Gill
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Where's the difference between setObject:forKey: and setValue:forKey: in NSMutableDictionary?
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Community♦
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answered Aug 8 '09 at 19:09
Oren TrutnerOren Trutner
22k77 go...
What's the longest possible worldwide phone number I should consider in SQL varchar(length) for phon
...lways, test.
– Matt Enright
Aug 10 '11 at 22:09
17
Premature optimization is the root of all evil...