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October 2011 Blog Posts (6)
Ensemble - now called Juju, Ubuntu's Cloud
Ensemble: service orchestration for the cloud (my work for Ubuntu Server) http://fewbar.com/2011/06/so-what-is-ensemble-anyway - via Jim Baker
Jim and I spent some time…
ContinueAdded by Michael Levin on October 30, 2011 at 5:30pm — 2 Comments
OrlandoJUG October Open Spaces Meeting Rocked!
We had a great time at the OrlandoJUG meeting tonight. It was an Open Spaces style meeting and a potluck dinner. We had some new faces and certainly covered interesting topics. Here are a few:
1. Cloud Computing
2. JavaOne 2011
3. Managing dev, test and production environments
4. OSGi - what it is and how…
ContinueAdded by Michael Levin on October 27, 2011 at 11:11pm — No Comments
It's all about Yandda! (an Android app)
Added by Bulama Yusuf on October 26, 2011 at 11:24am — No Comments
Good times at JCertif in the Congo
Let me indulge with this photo...it was such a great time at the first JCertif and you know, you have a chance coming up in just 11 months to be a part of it again! www.jcertif.com has all the details. Check out some of the African JUGs on Codetown while you're at it.… Continue
Added by Michael Levin on October 25, 2011 at 8:00pm — No Comments
Dennis Ritchie has Died
Added by Michael Levin on October 25, 2011 at 10:30am — No Comments
Take a peek under the covers of a website
Here's a website with open source code:
A cheap replacement for ching(6)
ching(6), the old amusement found in BSD 4.[234], has disappeared from the face of the net. I wanted it back. Fortunately finding the full text of the Wilhelm translation of the I Ching was easy. So was writing a program to read it.…
ContinueAdded by Michael Levin on October 9, 2011 at 2:00pm — No Comments
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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.
Created by Michael Levin Dec 18, 2008 at 6:56pm. Last updated by Michael Levin May 4, 2018.
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InfoQ Reading List
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 FosterPresentation: 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 OlsonIstio Evolves for the AI Era with Multicluster, Ambient Mode, and Inference Capabilities
The Cloud Native Computing Foundation (CNCF) has announced a major evolution of Istio, introducing new capabilities aimed at making service meshes “future-ready” for AI-driven workloads.
By Craig RisiArticle: Bloom Filters: Theory, Engineering Trade‑offs, and Implementation in Go
This article walks you through the Go implementation of Bloom filters to optimize the performance of a recommender. It cover the architectural view, Bloom filter mechanics, Go integration, parameter tuning, and practical lessons learned from making it work under production constraints.
By Gabor KoosAnthropic Accidentally Exposes Claude Code Source via npm Source Map File
Anthropic's Claude Code CLI had its full TypeScript source exposed after a source map file was accidentally included in version 2.1.88 of its npm package. The 512,000-line codebase was archived to GitHub within hours. Anthropic called it a packaging error caused by human error. The leak revealed unreleased features, internal model codenames, and multi-agent orchestration architecture.
By Steef-Jan Wiggers
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