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How to model type-safe enum types?
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http://www.scala-lang.org/docu/files/api/scala/Enumeration.html
Example use
object Main extends App {
object WeekDay extends Enumeration {
type WeekDay = Value
val Mon, Tue, Wed, Thu, Fri, Sat, Sun = Value
}
impor...
When should we use intern method of String on String literals
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examples.javacodegeeks.com/core-java/lang/string/…
– KNU
Nov 18 '14 at 11:51
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show 3 more comments
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console.writeline and System.out.println
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$ java TestConsole >/tmp/test
Exception in thread "main" java.lang.NullPointerException
at TestConsole.main(TestConsole.java:8)
Line 8 is console.writer().println().
Here is the content of /tmp/test
console=null
I hope my explanations help.
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Java Enum definition
...od Java generics pretty well, but then I came across the following in java.lang.Enum:
7 Answers
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What's the difference between the various methods to get a Context?
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I've needed basecontext to globally set the app language on startup (when it does not match that of the phone default lang).
– Tina
Feb 6 at 15:40
a...
Why doesn't println! work in Rust unit tests?
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I wonder if this issue github.com/rust-lang/cargo/issues/1377 is the problem?
– superlogical
Jul 16 '15 at 20:55
6
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What is aria-label and how should I use it?
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Create a html page having below code
<!DOCTYPE html>
<html lang="en">
<head>
<title></title>
</head>
<body>
<button title="Close"> X </button>
<br />
<br />
<br />
<br />
<button aria-...
How can I output UTF-8 from Perl?
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do in your shell:
$ env |grep LANG
This will probably show that your shell is not using a utf-8 locale.
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What is the difference between an int and an Integer in Java and C#?
... between an int and an Integer in Java/C# (Object-Oriented Programming Languages).
26 Answers
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proper hibernate annotation for byte[]
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types: Java primitive, types, wrappers
of the primitive types,
java.lang.String,
java.math.BigInteger,
java.math.BigDecimal,
java.util.Date,
java.util.Calendar, java.sql.Date,
java.sql.Time, java.sql.Timestamp,
byte[], Byte[], char[], Character[], enums, and any other
type that ...