I have searched this newsgroup for the answer as to how to change the
toggle button background color when it has been selected with no
viable results.  By viable, I mean responses that worked when I
implemented them.

i am wondering how to write a method that calculates the cross product
of two vectors. the algorithm i seek is one that can calculate the N-
Dimensional vector cross product with another N-Dimensional vector.
the solution should be mathematically correct. i am mostly concerned

Group,
I'm wondering about the following: Say I have a class called Matrix
which is essentially an array of three numbers, and I call the data
member:

I've got an object that contains 2 attributes - a String and a map,
which contains a set of Strings.
I want to iterate over these objects, and so I also want to iterate
over the map, and print out key and value.

i want  more know about 'subset reduction algorithm'...

I wrote the ffollowing filter:
private FilterConfig    filterConfig    = null;
    /**
    * overwritten.

How to auto resize the panel ? If user enlarge the window, the panel
can be enlarged also.
Please provide an example.
thanks.

I'm trying to build and validate a certificate path in Java 6.  I have
loaded in two certificates:  one is the certificate I'm trying to
validate, and the other is the certificate of the CA who has signed
it.

My Palm Pilot PDA has finally died, and I'd like to get a Cell Phone
that with permit you to develop and load Java Applications.  Is there
a "cheap" one on the market that I should look at?  It doesn't have to
be the latest, in fact, I'm open to a used model from eBay.  I don't

Is this possible? We'd like to use log4j to write a csv file (really a
result file, not a log) and it would be nice if we could include the
title, but it does not seem possible. The HTML appender does have the
option of title and footer, but HTML is not suitable for us.

We have a process that occassionally throws an I/O Exception when
trying to lock a Linux file for writing.
java.io.IOException: Input/output error
       at sun.nio.ch.FileChannelImpl.lock0(Native Method)

I'm trying to run a simple program that read info from a file and
displays it on the screen. However, I am constantly getting the
following error.
==================================================================================

Hi to all,
today I've come across this strange behaviour in my code, and I tried
to set-up a little test...I don't know if it's already known or
not...didn't find any of this through google,except of this:

I have this scriptlet working in a JSP and was wondering how I can put
it in a class file and call it in my JSP.
<jsp:useBean id="pageinfo" class="mypackage.PageInfo" scope="session"/

I'm more of a Java person than a C++ guy, but I'm becoming increasinly aware
of the contortions Java is forcing me into because of a lack of destructor
(partly because I'm having to defend them to C++-centric coworkers).  I
understand the performance reasons for using the purer GC ...