Codetown ::: a software developer's community
February 16, 2016 from 6pm to 8pm – Santa Fe College Building S Room 317 Hello! We have a special guest, in all the way from the snowy north - Jackie Gleason is enjoying some sunshine and surf with his family this week in Melbourne. He's agreed (read: his wife agreed) to… Organized by Michael Levin | Type: meeting
February 25, 2016 from 6pm to 8pm – DeVry University Hello OrlandoJUG! Jackie wasn't able to make it to this meeting, so we're going to table this month's meeting. If you have a great topic to present or know a presenter, please let me know and I'll… Organized by Michael Levin | Type: meeting
March 24, 2016 from 6pm to 8pm – PowerDMS @ Church St Station Hello OrlandoJUG! This month we have Dave Moskowitz in from Sarasota for a fascinating talk. Here's the abstract for the presentation. There is a possibility of massive amounts of pizza! Genet… Organized by Michael Levin | Type: meeting
October 12, 2016 from 6pm to 8pm – TBA Stay tuned as plans firm up...Jim Baker, Jython guy is hoping to join us in the Fall. What's Jython? It's Python on the Java Virtual Machine (JVM). Jim's the Jython guru. He's given great talks in th… Organized by Michael Levin | Type: meeting
October 27, 2016 from 6pm to 8pm – TBA Stay tuned as plans firm up...Jim Baker, Jython guy is hoping to join us in the Fall. What's Jython? It's Python on the Java Virtual Machine (JVM). Jim's the Jython guru. He's given great talks in th… Organized by Michael Levin | Type: meeting
August 24, 2017 from 6pm to 9pm – Canvs Winter Park Hello Orlando Juggies! Adam Davis will give a presentation on Groovy at the groovy new Canvs Co-working space in Winter Park Thursday 8/24. If you'd like to be a pizza sponsor an… Organized by Michael Levin | Type: orlando, jug, meeting
November 30, 2017 from 6pm to 8pm – Canvs Winter Park Join us for this last minute look at the JavaOne that was. Ed Burns and Vernon Singleton, JavaOne veterans both, will share their experiences and some of their sessions in this informal last-minute… Organized by Michael Levin | Type: orlandojug, meeting
July 12, 2018 from 6pm to 8pm – Oracle Intrepid Conference Room Hey, Gang: We have a special presenter this month. Ed Burns, author of Secrets of the Rock Star Programmers will be here to talk about the interviews that make up this fabulous book. I'll be at JCre… Organized by Michael Levin | Type: meeting
August 23, 2018 from 6pm to 8pm – Starter Studio This month we welcome Edson Yanaga as our speaker. Edson will give a talk he calls Revisiting Effective Java. You can get there at 6 for pizza and the presentation will begin at 7. Revisi… Organized by Michael Levin | Type: meeting
November 15, 2018 from 6pm to 8pm – Starter Studio Howdy Java Enthusiasts! We have a great presentation coming up next Thursday, 11/15. Hope you can make it. Be sure to RSVP! Docker and Gradle Docker combined with some modest JVM t… Organized by Michael Levin | Type: meeting
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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.
Created by Michael Levin Dec 18, 2008 at 6:56pm. Last updated by Michael Levin May 4, 2018.
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Alex Good discusses the fragility of modern cloud-dependent apps and shares a roadmap for "local-first" software. By leveraging a Git-like DAG structure and Automerge, he explains how to move from brittle client-server models to resilient systems where data lives on-device. He explores technical implementation, rich-text merging, and how this infrastructure simplifies engineering workflows.
By Alex Good
Agent workflows make transport a first-order concern. Multi-turn, tool-heavy loops amplify overhead that is negligible in single-turn LLM use. Stateful continuation cuts overhead dramatically. Caching context server-side can reduce client-sent data by 80%+ and improve execution time by 15–29% .
By Anirudh Mendiratta
Birgitta Böckeler discusses the rapid evolution of AI agents, moving beyond "vibe coding" to sophisticated context engineering. She explains how architectural constraints and "harness engineering" create the safety nets required for autonomous code generation. She shares vital insights for leaders on balancing speed with maintainability, security risks, and the cost of AI autonomy.
By Birgitta Böckeler
Spotify's engineering team developed the 2025 "Wrapped Archive," generating 1.4 billion personalized reports for 350 million users. This system identifies key listening days and crafts narratives using a language model. As companies increasingly provide narrative recaps, concerns about user privacy and data tracking persist, necessitating a balance between insights and privacy safeguards.
By Matt Foster
Madelyn Olson discusses the evolution of Valkey's data structures, moving away from "textbook" pointer-chasing HashMaps to more cache-aware designs. She explains the implementation of "Swedish" tables to maximize memory density. She shares insights on systems intuition, memory prefetching, and the rigorous testing needed for mission-critical caches.
By Madelyn Olson
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