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What is a sealed trait?
...; x match {
| case No => println("No")
| }
<console>:12: warning: match is not exhaustive!
missing combination Yes
So you should use sealed traits (or sealed abstract class) if the number of possible subtypes is finite and known in advance. For more examples you can...
XML Document to String
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207
Assuming doc is your instance of org.w3c.dom.Document:
TransformerFactory tf = TransformerFac...
Boolean literals in PowerShell
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edited Aug 2 '16 at 8:49
answered May 14 '12 at 10:06
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Call Go functions from C
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127
You can call Go code from C. it is a confusing proposition though.
The process is outlined in...
What do
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218
These are called generalized type constraints. They allow you, from within a type-parameterize...
Difference between class and type
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123
A class is a type. An interface is a type. A primitive is a type. An array is a type.
Theref...
How to get Url Hash (#) from server side
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DreamTeK
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answered Oct 18 '09 at 23:14
ChrisChris
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Android static object lifecycle
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240
Lets start with a bit of background: What happens when you start an application?
The OS st...
Custom attributes in styles.xml
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edited Jan 26 '18 at 15:35
answered Jul 29 '11 at 3:23
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warning: refname 'HEAD' is ambiguous
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224
The problem is that you have a branch called HEAD which is absolutely dangerous, since that's ...