Java Programming

Gas Price Database that is java accessible???
Does anyone know of a free gas prices database that is available online??? Trying to do something unique for a client (not a lowest gas price finder, but something that gets a good idea as to what the average price is for the US. ... 23 Jul 2008 12:16

name of this normalisation
hi i am studying linear algebra and was reading thru some code processing image data.i came across a piece of code that does some normalising as below public demoNorm(double[][] eigenfacesArray){ for(int i=0;i<eigenfacesArray.length;i++){ double norm=norm(eigenfacesArray[i]); for(int x=0;x<... 23 Jul 2008 14:19

Problem with Access concatenation
I have a query which concatenates a prefix in Access which works fine in Access, but not from Java. To explain further, I create a query programmatically which I catch when debugging, and paste it into Access to make sure it's correct. It works fine in Access, but I get the "too few parameters" error when executi... 23 Jul 2008 20:30

What is the quickest way to play sound?
Hi, Java at Linux has some troubles playing sound when other applications are accessing the sound system, too. So, after search for a solution (no solution found), I create a Sound Utility class to workaround the problems. It detect when the Java sound is broken and try a alternative way by playing from out Java... 23 Jul 2008 01:00

Two stuck threads in synchronized method - at least it seemslike from a stack trace
Greg Stasica wrote: public class DBQuery{ private static DBQuery dbQuery = null; public static DBQuery getInstance() { if (dbQuery == null) { dbQuery = new DBQuery(); } return dbQuery; } You do know that this getInstance(... 12 Aug 2008 03:57

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Newbie - taglib question.
Hello, I am learning JSP - what is a difference between this 2 libraries: <%@ taglib uri="http://java.sun.com/jstl/core" prefix="c" %> <%@ taglib uri="http://java.sun.com/jsp/core" prefix="c" %> Thanks, Zalek ... 23 Jul 2008 10:12

FindBugs issue with transient
I just insalled the FindBugs plugin in Eclipse, and while it whines about a bunch of stuff that I don't care about, it's found a few real ones. But there is a warning that I don't understand at all. A transient variable in a serializable class is marked: H B Se: The field <variable name> is transient but isn't ... 25 Jul 2008 13:30

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