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How get integer value from a enum in Rails?
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142
You can get the integer values for an enum from the class the enum is on:
Model.sale_infos # Pl...
How to find the operating system version using JavaScript?
...onsole.log(navigator);
You'll see something like this
# platform = Win32
# appCodeName = Mozilla
# appName = Netscape
# appVersion = 5.0 (Windows; en-US)
# language = en-US
# mimeTypes = [object MimeTypeArray]
# oscpu = Windows NT 5.1
# vendor = Firefox
# vendorSub = 1.0.7
# product = Gecko
# pr...
Using multiple let-as within a if-statement in Swift
...itudeDouble is non-optional in here and importantThing is true
}
Swift 1.2:
Apple may have read your question, because your hoped-for code compiles properly in Swift 1.2 (in beta today):
if let latitudeDouble = latitude as? Double, longitudeDouble = longitude as? Double {
// do stuff here
}
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SQL how to increase or decrease one for a int column in one command
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252
To answer the first:
UPDATE Orders SET Quantity = Quantity + 1 WHERE ...
To answer the seco...
How do I write a short literal in C++?
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82
((short)2)
Yeah, it's not strictly a short literal, more of a casted-int, but the behaviour is...
Ruby replace string with captured regex pattern
...ote that you can index a string with a regex:
"foo"[/oo/]
#=> "oo"
"Z_123: foobar"[/^Z_.*(?=:)/]
#=> "Z_123"
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Difference between a Seq and a List in Scala
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answered Jun 2 '12 at 23:48
Daniel C. SobralDaniel C. Sobral
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Comparing arrays in JUnit assertions, concise built-in way?
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302
Use org.junit.Assert's method assertArrayEquals:
import org.junit.Assert;
...
Assert.assertArr...
Can you 'exit' a loop in PHP?
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213
You are looking for the break statement.
$arr = array('one', 'two', 'three', 'four', 'stop', ...