April 2009 Blog Posts (2)

Atlassian Jira and Confluence for cheap...

Atlassian is offering discounted licenses for Confluence and Jira. I like Atlassian a lot. They are creative, have good hearts and appreciate my kind of work ethic: lifestyle entrepreneurship. Sam Shirah just posted this in the JaxJUG mailing list:

If anyone is interested in JIRA or Confluence, Atlassian currently has a

5$ for 5 users deal. Versions are JIRA 3.13.3 and Confluence 2.10.3. I'm

sending… Continue

Added by Michael Levin on April 20, 2009 at 1:26pm — 1 Comment

Oracle buys Sun

Here is my take on the news about Oracle buying Sun. In some cases, company acquisitions simply kill competing business. So, Oracle's acquisition of Sun could do that, but I think Sun's products compliment Oracle's. Oracle does not have an operating system. PL/SQL is the closest thing Oracle has to a language. And, Oracle does not manufacture hardware. So, I think the Oracle acquisition of Sun will help advance Sun's product… Continue

Added by Michael Levin on April 20, 2009 at 11:00am — 1 Comment

Monthly Archives

2025

2024

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

2011

2010

2009

2008

Happy 10th year, JCertif!

Notes

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…
Continue

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.

 

Enjoy the site? Support Codetown with your donation.



InfoQ Reading List

Presentation: Local First – How To Build Software Which Still Works After the Acquihire

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

Article: Stateful Continuation for AI Agents: Why Transport Layers Now Matter

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

Presentation: State of Play: AI Coding Assistants

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

Inside Spotify’s 2025 Wrapped Archive: AI Narratives at Scale and the Privacy Trade‑Off

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

Presentation: When Every Bit Counts: How Valkey Rebuilt Its Hashtable for Modern Hardware

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

© 2026   Created by Michael Levin.   Powered by

Badges  |  Report an Issue  |  Terms of Service