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What's the purpose of META-INF?
In Java, you often see a META-INF folder containing some meta files. What is the purpose of this folder and what can I put there?
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Why does Chrome incorrectly determine page is in a different language and offer to translate?
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Update: according to Google
We don’t use any code-level language information such as lang
attributes.
They recommend you make it obvious what your site's language is.
Use the following which seems to help although Content-Language is deprecated and Google says they ignore lang...
How to test if a double is an integer
...gative zero, then the result is the same as the argument." docs.oracle.com/javase/6/docs/api/java/lang/…
– Tim Schmelter
Mar 27 '12 at 22:27
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How default .equals and .hashCode will work for my classes?
... into an integer, but this implementation technique is not required by the JavaTM programming language.)
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How to activate JMX on my JVM for access with jconsole?
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The relevant documentation can be found here:
http://java.sun.com/javase/6/docs/technotes/guides/management/agent.html
Start your program with following parameters:
-Dcom.sun.management.jmxremote
-Dcom.sun.management.jmxremote.port=9010
-Dcom.sun.management.jmxremote.rmi.po...
How to parse JSON in Java
...("post_id");
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}
You may find more examples from: Parse JSON in Java
Downloadable jar: http://mvnrepository.com/artifact/org.json/json
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How to convert a java.util.List to a Scala list
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import scala.collection.JavaConversions._
will do implicit conversion for you; e.g.:
var list = new java.util.ArrayList[Int](1,2,3)
list.foreach{println}
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How to extract numbers from a string and get an array of ints?
... sign -- optionally. \d matches a digit, and we need to write \ as \\ in a Java String though. So, \d+ matches 1 or more digits.
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Why is an array not assignable to Iterable?
with Java5 we can write:
5 Answers
5
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How to get Scala List from Java List?
I have a Java API that returns a List like:
6 Answers
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