CodeTown ::: a software developer's community

Codetown is a software developer's community. It's a technical networking and educational group focused on software development.

Blog Posts

JavaFX and SteelSeries gauges using FXML

Posted by Jim Clarke on June 25, 2012 at 9:30pm 0 Comments

Gerrit Grunwald, aka @hansolo_ on twitter, has just ported his Swing based gauges and meters framework known as SteelSeries to JavaFX as part of the JFXtras-lab project. I can't tell you how many times since Java AWT first came out, that I have had to use meters…


Why Clojure?

Posted by Michael Levin on January 16, 2010 at 11:00am 2 Comments

My bud Matt Raible blogged about reading a Scala book and I mentioned Stuart Holloway's… Continue

GroovyFX, Getting started.

Posted by Jim Clarke on September 27, 2011 at 4:51pm 0 Comments

Dean Iverson and I have been working on an open source project called GroovyFX that provides a Groovy binding that sits on the new JavaFX 2.0 platform.  Dean has written a good blog on how to get started with GroovyFX here. It is already a little dated, but if you ignore the JavaFX build numbers and just download the…


JavaFX 2.2 Canvas

Posted by Jim Clarke on June 3, 2012 at 8:11pm 0 Comments

One of the cool new features of the JavaFX 2.2 developer preview release is a new Canvas node that allows you to do free drawing within an area on the JavaFX scene similar to the HTML 5 Canvas. You can download this release for Windows, Mac, and Linux from JavaFX Developer Preview.

Being adventurous, I decided to take the JavaFX Canvas for a spin around the block. In doing…



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Next OJUG and GatorJUG Meetings will be fabulous - Check out the Codetown Events

Watch for details on our upcoming meetings. OrlandoJUG meeting's fall on the 4th Thursday of every month, in case you want to mark your calendars.  GatorJUG meets the 2nd Wednesday of every month.

The details are posted in the CodeTown Events section. Please RSVP so we'll know how much pizza to order. Stay tuned!



Welcome to Codetown!

Codetown is a social network. It's got blogs, forums, groups, personal pages and more! You might think of Codetown as a funky camper van with lots of compartments for your stuff and a great multimedia system, too! Best of all, Codetown has room for all of your friends.

When you create a profile for yourself you get a personal page automatically. That's where you can be creative and do your own thing. People who want to get to know you will click on your name or…

Created by Michael Levin Dec 18, 2008 at 6:56pm. Last updated by Michael Levin Jul 27, 2011.


Storing Sensitive Data ( like SSNs ) 1 Reply

We might have to store Social Security Numbers.  We REALLY don't want to do this in our own database, we'd like some external 'vault' service that stores them encrypted and getting to them is difficult.  Does anyone have any ideas along these lines?Continue

Started by Kevin Neelands in Java. Last reply by Michael Levin May 7.

Documentation standards or guidelines? 1 Reply

Does anyone care to share their suggestions for documentation?I'm asking because I recently had to change a program I wrote more than five years ago. I'd always thought that I've done a good job of documentation. But going through it was difficult.…Continue

Tags: Problems @ 2:00 AM, Maintenance, Documentation

Started by Miek in Java. Last reply by Adam Davis Apr 11.

Oracle Embedded MOOC w/ Raspberry PI 1 Reply

If your interested in playing with Java on Raspberry PI - another round of the "Oracle Massive Open Online Course: Develop Java Embedded Applications Using a Raspberry Pi" is starting May 19th. You can find more details and…Continue

Tags: RaspberryPi, embedded, java

Started by Chris Schaefer in Java. Last reply by Michael Levin Apr 10.

Mavrick OS 3 Replies

HelloJust a little food for thought... If you use the new Mavrick OS on a MAC do you like it? or hate it? Why and Why not? I would like to hear how software developers feel about this.Continue

Tags: OS

Started by Jack Stripe in Testing. Last reply by Michael Levin Apr 4.

Does anyone have experience with the Paypal Sandbox?

I'm doing some Paypal work using Ruby on Rails, with test accounts in the 'sandbox', the area that duplicates the functionality of Paypal but without transfering any actual funds.  I'm working on getting the authorization & capture process…Continue

Tags: capture, authorize, sandbox, paypal

Started by Kevin Neelands in Testing Jul 2, 2013.

JavaFX and Netbeans IDE

Is there any knowledge on the horizon on integrating JavaFX into Netbeans in the same way Swing is integrated into it?  Currently,  as I know it, you can generated a JavaFX gui - which generates a type of xml which you then need to import it into…Continue

Tags: JavaFX, IDE, Netbeans

Started by Mike Bivins in Java Dec 11, 2012.

Gainesville Events - web and android app 10 Replies

Hey guys checkout my new android app for social events in Gainesville - the web app built in grails - google play storeFeel free to…Continue

Tags: #twitterbootstrap, #app, #phonegap, #android, #grails

Started by Nemanja Nesic - NEM- in Java. Last reply by Michael Levin Dec 9, 2012.

Another question on refactoring my NetBeans generated GUI code

Hello all:It has been a few months since my last question.  Had a lot of other projects taking up my time, but I am back to fighting with my Planetarium lighting controller.  I have it working, but I am sure it could be more efficient and prettier…Continue

Started by Paul Stearns in Java Jun 20, 2012.

A new scheduler in town

Hello OJUG folks,I am excited to tell you that there is a new scheduler project that I've working on, and it's ready for public use. Check out an intro here…Continue

Tags: Scheduler

Started by Zemian Deng in Java May 29, 2012.

Creating separate class files in a large project 9 Replies

Hello all:I have been working on a GUI interface for controlling lights in a planetarium.  I had some trouble getting the communication to happen, and received some help from this forum to get past that hurdle.  I now have a functioning GUI that I…Continue

Tags: files, class, creating

Started by Paul Stearns in Java. Last reply by Jackie Gleason Feb 10, 2012.


Latest Activity

Michael Levin added a discussion to the group GatorJUG Town

GatorJUG September

Hello GatorJUGSorry for the late notice, but I've been out of town doing the higher work - my mom is sick and it's been a privilege helping out. Meanwhile, Dan is going to lead tomorrow's meeting. It's a great time to socialize and network. The job market is up and Java is evolving (as Obama would say) so, please RSVP and let me know how it goes. Next stop for me: Stay tuned!Here's the link to RSVP for tomorrow's JUG meeting:…See More
8 hours ago
Dan Lackey posted an event

Hobnobb at Innovation Square

September 23, 2014 from 5pm to 7pm
HOBNOB IS BACK, and it's not your parent's career fair!Parisleaf, Community Redevelopment Agency, Gainesville Area Chamber of Commerce, and the Council for Economic Outreach will be hosting the 2014 Hobnob, where some of the area's brightest students and talent meet some of the region's most innovative technology companies - doing amazing things right here in the Gainesville area. Come out for a totally unconventional career fair full of music, food, and fun.   Date:      September 23,…See More
8 hours ago
Dan Lackey posted an event

GatorJUG-Gainesville Java User Group at Santafe S building on the third floor.

September 17, 2014 from 6pm to 10pm
Monthly meeting. Come to talk and socialize.  I don't know if we have a speaker but we'll have fun meeting and talking.Hope to see you there,DanSee More
Michael Levin added a discussion to the group OJUG Town

Orlandojug August

Hello Orlandojug!Sorry, but I have to cancel this month's meeting. My mom is sick and I'm out of town taking care of her. Stay tuned for next meeting details.All the best,MikeOrlandojug ChairmanSee More
Aug 18
Michael Levin added a discussion to the group GatorJUG Town

GatorJUG August

Hello GatorJUG!I'm out of town so we won't have a meeting this month. I just attended OSCON and have lots of info to share. So, stay tuned and we'll see you all soon!All the best,Michael LevinSee More
Aug 11
Sasha Ngu was featured
Jul 30
Michael Levin left a comment for ASHISH
"Happy birthday, Ashish! Hope it's a good one.  All the best, Mike "
Jul 30
Quintin Evans and Michael Levin are now friends
Jul 23
Michael Levin added a discussion to the group OJUG Town

OrlandoJUG - This month's Meeting Cancelled

Hello, OrlandoJUG!I'm going to cancel this month's meeting because I'll be in Portland for OSCON - the O'Reilly Open Source Conference.I'll have a lot to report, so stay tuned and we'll all get together next month. All the best,MikeSee More
Jul 11
Michael Levin posted an event

OrlandoJUG - July Meeting Cancelled! at DeVry

July 24, 2014 from 6pm to 8pm
Hello, OrlandoJUG!I'm going to cancel this month's meeting because I'll be in Portland for OSCON - the O'Reilly Open Source Conference.I'll have a lot to report, so stay tuned and we'll all get together next month. See More
Jul 11
Patrick Garner is attending Michael Levin's event

GatorJUG at SantaFe College

July 9, 2014 from 6pm to 8pm
Hello Software Enthusiasts!We're having a GatorJUG meeting tomorrow - Wed, July 9th, from 6-8PM atSanta Fe College, Rm S326.This will be an informal meeting to socialize and discuss whatever we findinteresting relating to Java and software development. This includes otherlanguages, too. Especially other languages that run on the JVM.Meetings like these are often the most fun!Please RSVP at Codetown so we'll know how much pizza to order:…See More
Jul 9
Michael Levin posted events
Jul 8
Michael Levin added a discussion to the group GatorJUG Town

GatorJUG July

Hello, GatorJUG!We'll have our JUG meeting Wednesday - details here: some friends who'd enjoy GatorJUG or Codetown? Feel free to invite them!All the best,Mike LevinGatorJUG ChairmanSee More
Jul 7
Michael Levin left a comment for Quintin Evans
"Hi Quintin and welcome to Codetown. Next step is to join some groups. Enjoy, Mike (founder and moderator)"
Jul 7
Quintin Evans is now a member of CodeTown
Jul 7
Michael Levin posted an event

Java One at Hilton Union Square

September 28, 2014 to October 2, 2014
This is the premiere Java event in the USA. See More
Jul 2
Michael Levin left a comment for Kenneth Wheeler
"Hey, Ken! Welcome to Codetown. Technically, we should have a GatorJUG meeting next Wed since it's the 2nd Wed of the month, but since it's so quiet during the summer, I've deferred the meetings until Sept. We may just get together and…"
Jul 2
Kenneth Wheeler is now a member of CodeTown
Jul 2
Michael Levin commented on Michael Levin's blog post Ceylon OJUG & GatorJUG Talk - Please Yo me!
"Hi James, Thanks for the input. Keep an eye on the Events section and GatorJUG and OJUG Town to see if we can schedule it. Which JUG are you interested in? I'm guessing it's OJUG. "
Jul 1
James Berhends commented on Michael Levin's blog post Ceylon OJUG & GatorJUG Talk - Please Yo me!
"Hi Michael, I would be interested in coming on either of the dates, with Monday the preferred. Thanks"
Jul 1

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Reading List

HowStuffWorks "How Cloud Computing Works"

In a cloud computing system, there's a significant workload shift. Local computers no longer have to do all the heavy lifting when it comes to running applications. The network of computers that make up the cloud handles them instead. Hardware and software demands on the user's side decrease. The only thing the user's computer needs to be able to run is the cloud computing system's interface software, which can be as simple as a Web browser, and the cloud's network takes care of the rest...

What cloud computing really means | Cloud Computing - InfoWorld

Cloud computing is all the rage. "It's become the phrase du jour," says Gartner senior analyst Ben Pring, echoing many of his peers. The problem is that (as with Web 2.0) everyone seems to have a different definition...

Cloud computing - Wikipedia, the free encyclopedia

Cloud computing is the delivery of computing as a service rather than a product, whereby shared resources, software, and information are provided to computers and other devices as a utility (like the electricity grid) over a network (typically the Internet).

Eclipse DemoCamps November 2011 - Eclipsepedia

From November 1-30, we are inviting individuals to organize and attend Eclipse 10th Birthday Parties around the world! Click the link to see details.

YouTube Founders Aim to Revamp Delicious -

Chad Hurley and Steve Chen have some experience with turning a small Web site into Internet gold. In 2006 they sold their scrappy start-up YouTube to Google for $1.65 billion. Jim Wilson/The New York Times The Delicious office in San Mateo, Calif. It now has around 15 employees, mostly engineers. More recently they picked an unlikely candidate to be their next Web sensation: a Yahoo castoff.
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