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Scala: What is a TypeTag and how do I use it?
... List[Foo] => "list of foos"
}
we will get warnings:
<console>:23: warning: non-variable type argument String in type pattern List[String]↩
is unchecked since it is eliminated by erasure
case _: List[String] => "list of strings"
^
<console>:24: warnin...
Get names of all files from a folder with Ruby
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edited Nov 18 '09 at 13:02
Mike Woodhouse
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a...
What is the difference between `let` and `var` in swift?
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The let keyword defines a constant:
let theAnswer = 42
The theAnswer cannot be changed afterwards. This is why anything weak can't be written using let. They need to change during runtime and you must be using var instead.
The var defines an ordinary variable.
What is inte...
How can I handle time zones in my webapp?
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answered Jun 7 '12 at 2:40
Niet the Dark AbsolNiet the Dark Absol
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How to install Hibernate Tools in Eclipse?
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answered Jan 27 '09 at 14:11
tremortremor
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How to combine multiple conditions to subset a data-frame using “OR”?
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254
my.data.frame <- subset(data , V1 > 2 | V2 < 4)
An alternative solution that mimics...
How does OAuth 2 protect against things like replay attacks using the Security Token?
As I understand it, the following chain of events occurs in OAuth 2 in order for Site-A to access User's information from Site-B .
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Is it better to use std::memcpy() or std::copy() in terms to performance?
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211
I'm going to go against the general wisdom here that std::copy will have a slight, almost impe...
@RunWith(MockitoJUnitRunner.class) vs MockitoAnnotations.initMocks(this)
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2 Answers
2
Active
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How do I write JSON data to a file?
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2137
You forgot the actual JSON part - data is a dictionary and not yet JSON-encoded. Write it lik...