Hi, I am currently doing some research on building an app to send files
over a network. We are wanting to only send changes in files if the file
is already on the other computer.
Is there a way to *quickly* detect changes between

Im learning java, and i build a simple applet...
I compiled it into *.class and now, when i run it, i got the following
error:
Exception in thread "main" java.lang.NoSuchMethodError: main

Just curious ... in a persistent HTTP connection, when receiving an
HTTP message with an attached body, how does one recognize the end of
the body?
Obviously, the start of the body is easy to parse for (CRLF followed by

What is the "Best Practice" for parsing the commandline (GNU sytle) with
Java 1.4 in a commercial project ?
Jakarka Commons CLI?
Jargs?

   I am new to java and I run a short program processing xml files.
   Everything ran very well until I received xml files with the character
itself instead of its numerical reference (for instance 'é' instead of
'é'). I thought java would handle it but unexpectedly, it ...

Back in May there was a thread about the features of a C++ tool called
Visual Assist and why didn't Eclipse have these features.
I wanted to provide some follow up information.
For reference that thread is at:

I've gathered that in order to change the background color of a row,
one can either use the tablecellrenderer or can override the
prepareRenderer() method. I have chosen to override the
prepareRenderer() method. My question (and a reather silly one) is

I recently stumbled across this idiom.
 public static synchronized int getThreadCountMax()
 {
   synchronized (ARTClientThread.class)

This may sound a very basic question.
Basically I want to fetch all the contacts from any email server say
Lotus Domino server or Microsoft Exchange server and display them. I do
not know how to do that in Java. Is there any generic way by which I

Dear Spring MVC experts!
I am using a controller of type AbstractWizardFormController to
implement a multi-page form entry workflow.  This controller operates
on a session-scoped command object which has a property of type

I have two versions of the same image. One is a scaled version of the
other. I would like to display the smaller zoomed-out image on the
screen, and where the mouse is, I would like to "fisheye" the small
view. However, instead of a standard ballooning fisheye, I would like

This may be a very simple question, but I'm completely lost at this
point.
We have a large code base in Perl, around 12,000 lines of code. Mostly,
this code runs queries on one remote database, manipulate the data, and

I have a servlet and in this servlet I have a problem when I sort an
array. If in Tomcat 5.5.4 (on windows) the order is very fast (about 2
seconds) , but in tomcat 5.5.9 is slower (about 25 seconds). I don't
Know why the same code has diferent time. I don't know if I have

I am trying to force a JSF page to refresh all of its components so
that they will all be empty instead of the original values.  I am
trying to come from another page using a JSF hyperlink to reach the
destination page, and when the destination page is reached it should be

can somebody help me to find a free Diff library? I would like to compare
texts and figure out the different lines but also differences in the lines.
Zsolt