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Published on 2010-05-01T03:56:52Z
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2010/05/10
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I want to create a TreeMap in Java with a custom sort order. The sorted keys which are string need to be sorted according to the second character. The values are also string.
Sample map:
Za,FOO
Ab,Bar
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There are some programs which can display used disk space using a treemap, such as WinDirStat for Windows and KDirStat for KDE/Linux:
I'm looking for something similar, but for a headless Linux box.
Alternatively, what are other good ways to visualize used disk space with just SSH access?
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I have the following TreeMap:
TreeMap<String, Integer> distances = new TreeMap<String, Integer>();
and it contains both strings, "Face" and "Foo", with appropriate values, such that:
System.out.println(distances);
Yields:
{Face=12, Foo=2}
However, distances.get(Face) returns…
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I have the following TreeMap:
TreeMap<String, Integer> distances = new TreeMap<String, Integer>();
and it contains both strings, "Face" and "Foo", with appropriate values, such that:
System.out.println(distances);
Yields:
{Face=12, Foo=2}
However, distances.get(Face) returns…
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I'm switching from scala 2.7 and ordered to scala 2.8 and using ordering. It looks quite straight forward but I was wondering could I make it a little less verbose. For example:
scala> case class A(i: Int)
defined class A
scala> object A extends Ordering[A] { def compare(o1: A, o2: A) = o1…
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I have the following object Node:
private class Node implements Comparable<Node>(){
private String guid();
...
public boolean equals(Node o){
return (this == o);
}
public int hashCode(){
return guid.hashCode();
}
...
}
And I use it…
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I'm trying to setup a tomcat6 server, and I'm trying to match another setup someone else established. However, my deployment (default Ubuntu install) uses a policy.d/ directory structure, and the established server just uses a catalina.policy file. I've tried setting every entry in policy.d to match…
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I am not able to create a Queue connection in JBOSS4.2.3GA Version & Java1.5, as I am using MDB as per the below details.
I am putting this MDB in a jar file(named utsJar.jar) and copied it in deploy folder of JBOSS, In the test env. this MDB works well
but in another env. [ env settings and…
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Hi,
I am using Postgres and gwt 2.0 for one of my applications. I am facing problem connecting to the database. When I try to connect it gives "ClassNotFoundException". Here is what I get when I try to connect to database:
java.lang.ClassNotFoundException: org.postgresql.Driver
at java.net…
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Hi,
For i am using postgre and gwt 2.0 for one of my applications. I am facing problem connecting to the database. When i try to connect it gives "ClassNotFoundException". Here is what i get when i try to connect to database:
java.lang.ClassNotFoundException: org.postgresql.Driver
at java.net…
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Hi, I'm trying to migrate an application running on JBoss 4.2.2.GA to JBoss 6.0.0.M2
I give you some log to explain my problem :
boot.log :
2010-03-16 09:59:29,406 ERROR [org.jboss.system.server.profileservice.ProfileServiceBootstrap] (Thread-2) Failed to load profile: Summary of incomplete deployments…
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