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January 23


Blog Posts

Swampcast features Tim Westergren, Pandora CEO

Posted by Michael Levin on August 3, 2019 at 12:30pm 0 Comments

Join Michael Levin in this Swampcast interview with Tim Westergren, Pandora CEO. Click here to listen. Photo…


Swampcast features Craig Newmark

Posted by Michael Levin on July 11, 2019 at 1:30pm 0 Comments

Here's a Swampcast featuring Craig Newmark, founder of Craigslist. Enjoy!

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. Stay tuned for details! 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! ...Mike



Be Careful What You Wish For

Interesting. Ask Elon Musk what scares him…Continue

Tags: Braintree, PayPal, kernal, google, neuralink

Started by Michael Levin in AI, ML & Big Data Aug 8.

Java books for any library 5 Replies

What books should be on the bookshelf of EVERY Java programmer, no matter what specific technologies they are working on?The two that come to my mind areThinking in JavaJava Concurrency in PracticeWhat else am I missing?Continue

Started by David Moskowitz in Java. Last reply by sneha gulati Feb 8.

Error trying to use Fragment

I am new to Android.  I have been working thru some examples in a book called  Head First Android Development.  I entered a small program using fragments and get a Casting Error.cannot cast to…Continue

Tags: Fragment

Started by Robert Sobol in Java Oct 10, 2017.

Fragment Syntax Problem

My name is Rob Sobol.I have been working through a book called Head First Android Development.I hit a syntax error in a simple exercise that uses one fragment. I have been trying to figure out the error for days.  I am hoping some in the forum can…Continue

Tags: Fragments

Started by Robert Sobol in Java Oct 10, 2017.

Hadoop getting old?

An article just came out in InfoWorld about trends, which is always an interesting subject. Funny, they said Hadoop wasn't hot. Spark is. It's a good read. …Continue

Tags: codetown, infoworld, programming, hadoop, trends

Started by Michael Levin in Trends Apr 10, 2017.

What's functional programming, anyway?

Can you believe people are still trying to come up with a good definition or explanation of what functional programming is? Paul Krill is a journalist with InfoWorld. Here's an article he just wrote: …Continue

Tags: functions., codetown, lambdas, clojure, programming

Started by Michael Levin in Functional Programming Feb 21, 2016.

Santafe College 2 Replies

Santafe just added a new BAS  bachelor's program of study. 5651  ProgrammingContinue

Started by Dan Lackey in Dynamic Languages. Last reply by Michael Levin Feb 15, 2016.

Using SQL with Node,.js 1 Reply

All the tutorials and books for node.js seem to use Mongo as the database.  I am not sold on 'document' databases and would like to know how difficult it is to use any version for plain old tried-and-true SQL with Node.js.Does anybody have any…Continue

Tags: 'document, databases', SQL, node, node.js

Started by Kevin Neelands in Dynamic Languages. Last reply by Lou Caudell Nov 10, 2015.

The advantages of a RESTfull web-based API 5 Replies

I need to get a better handle on the advantages of a RESTful web-based API.  People tell me they scale better than other methods, but I don't see how they reduce database access or have any other feature that helps handle large amounts of traffic.…Continue

Tags: API', 'web-based, RESTful

Started by Kevin Neelands in Dynamic Languages. Last reply by Kevin Neelands Oct 25, 2015.

Want a Job? 1 Reply

Hi, Not sure if this is the appropriate place to post this sort of things (forgive me if its not). My company (really nice company btw) is looking to hire two junior and two senior Java Developers. Please forward me your resume to…Continue

Started by Saad Laassel in Java. Last reply by Theresa Wizorek-MacIntyre Oct 15, 2014.


Latest Activity

Jose Sosa joined Michael Levin's group

OrlandoJUG Town

Calling all Java lovers! The OrlandoJUG features leading edge presentations with you in mind. We meet every month with talks on interesting aspects of programming in Java. Although we're Java-focused, you'll also learn about other JVM languages.Twitter & Facebook @orlandojug Check the Codetown Events section for specifics about meetings.See More
8 hours ago
Jose Sosa joined Michael Levin's group

Spring Town

Dependency injection. It's a smart approach. Believe that? We do! Come on in and share what you know. Ask all your Spring questions here, too!
8 hours ago
Jose Sosa is attending Michael Levin's event

OrlandoJUG ::: JPA 2.1 Entity Graphs in Spring Data with Richard at Starter Studio

January 23, 2020 from 6pm to 8pm
Join us for a talk featuring Richard ThibaultRichard Thibault is a full-stack web and mobile developer with over 25 years of experience in the software industry. He is currently focused on Java and Spring, though he also develops in Objective C, Swift, and Javascript. He has built apps for various industries over the years, including banking, travel, and real estate. In…See More
8 hours ago
Profile IconJose Sosa and Wincy Ip joined Codetown
13 hours ago
Jose Sosa shared Michael Levin's event on Facebook
14 hours ago
Jose Sosa shared Michael Levin's event on Facebook
14 hours ago
Michael Levin left a comment for Wincy Ip
"Hi Wincy! Welcome to Codetown  ...Mike (Founder and Moderator)"
Michael Levin liked Michael Lucas's blog post IBM is moving OpenPower Foundation to The Linux Foundation
Ismail Jones posted a blog post
Michael Levin added a discussion to the group OrlandoJUG Town

September OJUG

Join me at OJUG ::: featuring Bruno Souza & Otavio Santana from Brazil! More
Michael Levin left a comment for Sasan Khadem
"Welcome to Codetown, Sasan! ...Mike (moderator)"
Sep 9
Sasan Khadem is now a member of Codetown
Sep 9
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"Welcome to Codetown!  ...Mike (moderator)"
Sep 7
Maksym is now a member of Codetown
Sep 7
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Sep 5
Ian Darwin left a comment for Michael Levin
"Thanks for the invite!"
Sep 5
Ian Darwin and Michael Levin are now friends
Sep 5
Michael Levin left a comment for Ian Darwin
"Welcome to Codetown!"
Sep 5
Michael Levin left a comment for Heinz Kabutz
"Hi Heinz! Thanks for that. I keep it on the downlow most of the time. But, hey the subject came up! I thought about it a couple of days before I said anything. This is a perfect spot for JCs. Glad you are interested. I’ll be at happy hour,…"
Sep 5
Michael Levin added a discussion to the group Jobs

Python Trainer in MD

Hello Codetown!Cambridge is looking for a Python expert to teach an Intro Python class 9/16-18  The Intro class is a 3 day onsite class. Curriculum will be provided. The rate varies from $45-55/hr DOE. 1099 only. Sorry, no H1B's. For more details, please contact or text +1 (321) 252-9322.Cambridge is an EOE employer.See More
Sep 4

Happy 10th year, JCertif!


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 picture and…

Created by Michael Levin Dec 18, 2008 at 6:56pm. Last updated by Michael Levin May 4, 2018.

Looking for Jobs or Staff?

Check out the Codetown Jobs group.

There's also a free Java Jobs mailing list. It's a Yahoo group so you have to create a Yahoo account to use it.


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InfoQ Reading List

WebExpo 2019: Make Healthcare Affordable and Accessible Using Tech and AI

Anna Zawilska, Lead User Researcher at Babylon Health, recently presented, at WebExpo 2019 in Prague, the lessons learnt from their experience delivering remote healthcare through a combination of technology and Artificial Intelligence (AI). Babylon Health came to adjust three key assumptions underpinning their product development.

By Bruno Couriol

Article: Q&A on the Book The Driver in the Driverless Car

The book The Driver in the Driverless Car by Vivek Wadhwa and Alex Salkever explores how technology is changing faster and faster, and what impact that can have on the future of our society. It aims to help frame decisions and thinking about rapidly developing technologies. Salkever and Wadhwa cover a wide variety of technologies, including robotics, AI, quantum computing, and driverless cars.

By Ben Linders, Vivek Wadhwa, Alex Salkever

Presentation: Business Agility – Increasing Your Organization’s Competitiveness

Dean Latchana addresses how organizations can handle market pressure and opportunity, covering closing the gap between vision and execution, determining strategic fit with the vision, and others.

By Dean Latchana

Presentation: Introduction to Stateful Property-based Testing

Tomasz Kowal presents a high-level overview that is both encouraging for beginners but also maps the road to mastering Property-based Testing.

By Tomasz Kowal

Introducing Maesh: A Service Mesh for Kubernetes

On September 4th, 2019, Containous, a cloud infrastructure software provider, released Maesh, an open-source service mesh written in Golang and built on top of the reverse proxy and load balancer Traefik. Maesh promises to provide a lightweight service mesh solution that is easy to get started with and to roll out across a microservice application.

By K Jonas

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