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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 ...
What does git push -u mean?
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answered Apr 6 '11 at 4:06
Rafe KettlerRafe Kettler
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MongoDB: How to query for records where field is null or not set?
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tvstvs
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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
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Premature optimization is the root of all evil...
PostgreSQL - Rename database
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answered Oct 6 '11 at 18:43
gsiemsgsiems
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What is a “Bitmap heap scan” in a query plan?
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edited Jul 6 '11 at 13:18
answered Jul 6 '11 at 7:31
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When annotating a class with @Component, does this mean it is a Spring Bean and Singleton?
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answered May 6 '11 at 6:18
BozhoBozho
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How can I select all elements without a given class in jQuery?
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edited Sep 13 '16 at 11:52
vsync
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answ...
Join strings with a delimiter only if strings are not null or empty
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118
Yet another one-line solution, which doesn't require jQuery:
var address = "foo";
var city;...