I want to know whether it is possible to listen to the mouse event of dragging in JFreeCharts. By default it is assign to zooming. I remove this zooming functionality with, chartPanel.setDomainZoomable( false); chartPanel.setRangeZoomable( false); And I have used ChartMouseListener interface for listening to mouse events. I'm able to ...
I'm trying to make a orb of light (Like a sun) but I can't seem to make it visible at all. I'll give you some snipets of code I have. It's in Java LWJGL, so it might look a little different. private float lightAmbient[] = { 0.0f, 1.0f, 1.0f, 1.0f }; // Ambient Light Values ( NEW ) private float lightDiffuse[] = { 1.0f, 1.0f, 1.0f, ...
As far as I know, the only way to parse Java source-code into an AST (Abstract Syntax Tree) is to use the Java Compiler Tree API: com.sun.source.tree I have two questions: What JDKs support com.sun.source.tree? Is there a portable replacement that works for all JDKs? ...
I'm having a bit of a hard time. Essentially I need a data structure that would work a bit like a database. I need to be able to have multiple bits of data for each key and have the possibility of having multiple keys with the same name. Then I need to be able to search that data structure and pull the correct keyword and check it agains...
I've got my own implementation of this wrapped up in a function that takes a URL argument but I can't help thinking there must be a nice function that does this already within the Android API. Does such a function exist? EDIT: Oops. I would just like the text - not the HTML. ...
## This is the code i m runnig in linux ubuntu.. ## import java.sql.*; /** * * @author spk */ public class Connectionsetting { private static Connection con; private static java.sql.Statement sm; private static ResultSet rs; public void close() { try { sm.close(); con.clo...
I am trying to get an RMI activatable server to work - but no luck so far. Actually the server seems to run, but the client triggers a strange exception. I have 3 projects: client common server Common is shared code between client and server (such as remote interfaces). Steps I follow (been adapting this tutorial): start registr...
public class MyGraph<V,E> extends SparseMultigraph<V,E>{ private ArrayList<MyNode> myNodeList; public MyNode getNode(int nodeId){ myNodeList = new ArrayList<MyNode>(); myNodeList = (ArrayList<MyNode>)this.getVertices(); int i; The following are the error msg: Exception in thread "main" java.lang.ClassC...
I'm writing a code that generates a large XML document and writes it directly into a client stream using StAX XmlStreamWriter. I'm afraid that if the network becomes extremely slow, the bytes written into the stream will actually stay in memory buffers for a relatively long time and consume a lot of memory on my server. My question is: ...
How can I connect to remote MySQL database through SSH from java application. I'd appreciate a small code example. ...
Hi All, I have form with two buttons having same name but different values ,how to get the value of both the buttons having same name but different value using request ? <form action="controller"> <input class="smallbutton" name="op" value="login" type="submit"/> <input class="smallbutton" name="op" value="SignUp" type="submi...
I've written a java program that writes another java project. However, I want to add a piece of specific code that will import the project into the workspace. Can this be done? ...
I am using a custom subclass of JPanel to offer me more control over the display of some images. The code to it is below. However, in Netbeans, in design mode, I would like to be able to see the image that I am working with, instead of simply looking at the outline of the object. There is an image attribute, but the only way I can cur...
I've been trying to learn about Neural Networks for a while now, and I can understand some basic tutorials online. Now i want to develop online handwritten recognition using Neural Network. So i haven't any idea where to start? And i need a very good instruction. In finally i'm java programmer. What do you suggest I do? ...
In my code, I use mouse coordinates to interact with the program. From there, something must be drawn at the mouse's location. However, the getX()/getY() methods for the Canvas return the values of the window holding the Canvas, but when I go to draw, (0,0) is located slightly to the right and below (past the bars) the top left of the wi...
I have heard of this algorithm, but is this algorithm good to use it with Bayesian Belief networks? Hugin is based on it and I'm looking for a book / article on this algorithm. ...
I'm creating a splash screen for a Java application using the SplashScreen class. The problem is that the position on multi-monitor systems is undefined. The documentation states "the position on multi-monitor systems is not specified - it is platform and implementation dependent". The application is going to be used solely on multi-moni...
Hi there, I'm trying ton include some JSF into my webapp. For the components lib I've choosed ICEFaces, now I'm facing a problem: ICEFaces doesn't trigger the processAction method which is required to get requestparameters. In my other "normal" portlets I can do - in JBoss Portal - e.g. /portal/dashboard/hellpPortlet_Window?action=1&...
I am wondering about the the following piece of Java code: "System.out.println". I am right about this: "System" is a static class. ".out" is a method of class "System". This is the bit I am slighty confused about ".println"-- what class / object is this a method of? Also, is this concept known as "method chaining"? Thanks GF ...
I set up a working maven project with mvn archetype:create ... I can compile all the sources with mvn compile but I want to be able to compile also a single file at time. There is a way to ask maven to compile an arbitrary single .java file? Thanks Updates 1: I would specify the single file on the command line. I would choose the fil...