Codetown
Codetown ::: a software developer's community
Michael Levin's Likes
June 2024
Introduction to Compact Keyboards
Welcome to the world of compact keyboards! These small form factor keyboards are a game-changer when it comes to…
Blog 50% Keyboard Guide: Tiny Typists' Delight 1 LikeSeptember 2019
June 2019
Chris DiBona is the director of open source at Google, and he's been taking a big part in the open source and Free software ecosystem for a very long time--not least in his role with Google's…
Blog Some thoughts on licensing from Google's Chris DiBona 1 LikeNovember 2017
Hello folks,
Want to hear about new Java APIs and some of the decisions made at the recent…
Blog Let's talk about new Java APIs! 1 LikeJune 2016
Why use Amazon's container service?
We all experience a common set of tasks when working in IT shops. Someone gets delegated…
Blog Why use Amazon EC2 (AWS) Container Services (Docker) 1 LikeMay 2016
March 2016
The Devoxx Poland call for papers closed!
es 3/31/16.…
Blog Devoxx Poland 1 LikeNovember 2015
Matt Raible just published the slide deck to his JHipster talk. What's…
August 2015
Tutorial on Apache Spark, movie recommendations with machine learning
This post discusses building a…
March 2015
Just a reminder: Oracle plans to stop updating Java 7 in April of this year (next month).
Blog Java 7 EOL 1 LikeAs outlined in…
February 2015
Slightly modified from original post: http://adamldavis.com/
There’s a hot new…
Blog Hot New Language (Groovy) 2 LikesNovember 2013
Not familiar with FLEX but this article has some interesting info on it. Another tool in the web developer's toolbox?…
Blog FLEX goes to Apache 1 LikeFebruary 2013
It may not adhere to the strict Java format of OJUG but was quite useful in learning more of the growing tools available to the web based developer.
Jackie Gleason answered this and…
July 2012
Gerrit Grunwald, aka @hansolo_ on twitter, has just ported his Swing based gauges and meters framework known as …
Blog JavaFX and SteelSeries gauges using FXML 1 LikeFebruary 2012
James Ward gave a great presentation on Heroku. The server of choice for Facebook developement. He commented on some attendees not being familiar with all the buzzwords he used. So we thought…
Blog Buzzword Bingo 1 LikeHappy 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
Pinterest Reduces Spark OOM Failures by 96% Through Auto Memory Retries
Pinterest Engineering cut Apache Spark out-of-memory failures by 96% using improved observability, configuration tuning, and automatic memory retries. Staged rollout, dashboards, and proactive memory adjustments stabilized data pipelines, reduced manual intervention, and lowered operational overhead across tens of thousands of daily jobs.
By Leela KumiliPresentation: Duolingo's Kubernetes Leap
Franka Passing discusses the architectural shift of Duolingo’s 500+ backend services to Kubernetes. She explains the move toward GitOps with Argo CD, the transition to IPv6-only pods, and the "cellular architecture" used to isolate environments. She shares "reports from the trenches" on managing developer trust, navigating AWS rate limits, and productionizing early adopter services.
By Franka PassingArticle: A Better Alternative to Reducing CI Regression Test Suite Sizes
How can you focus in a sea of results from a large regression test suite? This article describes a stochastic approach that relies on some degree of redundancy in your CI regression test set. This approach does not guarantee you will catch every bug every time, but it gives you your best bet of not missing the subtle signatures of all the bugs uncovered by your CI regression test suite runs.
By James Bornefelt WestfallPodcast: Context Engineering with Adi Polak
In this episode, Thomas Betts and Adi Polak talk about the need for context engineering when interacting with LLMs and designing agentic systems. Prompt engineering techniques work with a stateless approach, while context engineering allows AI systems to be stateful.
By Adi PolakDynamic Languages Faster and Cheaper in 13-Language Claude Code Benchmark
A 600-run benchmark by Ruby committer Yusuke Endoh tested Claude Code across 13 languages, implementing a simplified Git. Ruby, Python, and JavaScript were the fastest and cheapest, at $0.36- $0.39 per run. Statistically typed languages cost 1.4-2.6x more. Adding type checkers to dynamic languages imposed 1.6-3.2x slowdowns. Full dataset available on GitHub.
By Steef-Jan Wiggers
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