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Choosing a stand-alone full-text search server: Sphinx or SOLR? [closed]
... have to buy a commercial license (rationale)
Solr is easily embeddable in Java applications.
Solr is built on top of Lucene, which is a proven technology over 8 years old with a huge user base (this is only a small part). Whenever Lucene gets a new feature or speedup, Solr gets it too. Many of the ...
If i synchronized two methods on the same class, can they run simultaneously?
... the core concept is the intrinsic lock behind the scenes.
Here is how the Java tutorial describes the relationship:
Synchronization is built around an internal entity known as the intrinsic lock or monitor lock. (The API specification often refers to this entity simply as a "monitor.") Intrinsic l...
How to kill a process running on particular port in Linux?
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Use the command
sudo netstat -plten |grep java
used grep java as tomcat uses java as their processes.
It will show the list of processes with port number and process id
tcp6 0 0 :::8080 :::* LISTEN
1000 30...
Handling InterruptedException in Java
...it happens I was just reading about this this morning on my way to work in Java Concurrency In Practice by Brian Goetz. Basically he says you should do one of three things
Propagate the InterruptedException - Declare your method to throw the checked InterruptedException so that your caller has to...
String to LocalDate
...MMM-dd");
final LocalDate dt = dtf.parseLocalDate(yourinput);
If using Java 8 or later, then refer to hertzi's answer
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Interview question: Check if one string is a rotation of other string [closed]
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if( substring(s2,concat(s1,s1))
return true
return false
end
In Java:
boolean isRotation(String s1,String s2) {
return (s1.length() == s2.length()) && ((s1+s1).indexOf(s2) != -1);
}
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Should I always use a parallel stream when possible?
With Java 8 and lambdas it's easy to iterate over collections as streams, and just as easy to use a parallel stream. Two examples from the docs , the second one using parallelStream:
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How to get a index value from foreach loop in jstl
...rror: loop is not defined ` and +1 for your effort
– Java Questions
Sep 16 '13 at 10:46
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When to use actors instead of messaging solutions such as WebSphere MQ or Tibco Rendezvous?
...you're a Scala developer, then Akka should be a no-brainer. However Akka's Java bindings are not very Java-ish and require casting due to Scala's type system.
Also in Java people don't typically make immutable objects which I recommend you do for messaging. Consequently its very easy in Java to ac...
How do I hotkey directly to File Search tab in Eclipse
When I use CTRL + H I end up on the Java Search tab. I would very much like a shortcut to go directly to File Search instead. Is that possible?
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