Codetown ::: a software developer's community
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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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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 Kumili
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 Passing
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 WestfallIn 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 Polak
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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there will be info for those of us who want to benefit from the talks. See you again at Canvs. I think OrlandoJUG will meet there again this month on the 4th Th. I want to take the SunRail if it runs that late.
Andriy Andrunevchyn:Jd
E-Mail: aandrunevchyn@gmail.com
Skype: diykorey
Phone: +38 066 127 65 05
https://www.youtube.com/channel/UCW8XWG7scEX50ZuHoMSE9rQ/featured
https://www.youtube.com/watch?v=t-ce2cihF_U&list=PLXygimBsZB6C544HDpfUYVITXIMHKv4S_
https://plus.google.com/u/0/photos/108379503276019362701/album/6061636328501388753?sview=7
http://www.jday.com.ua
Hi,
We are runnning preparation to JDayLviv 2015 - third annual conference devoted to java ecosystem.
So as usual we need speakers, sponsors and for sure attendees. If somebody would like to visit Ukraine and prepare some good talk - you are welcome - we will definitely provide you decent shelter, tasty food and cover your travel if it costs reasonably. If you would like to know more about our conference watch video 2013 2014 and photo or just drop me mail and I'll answer on your all questions.
______________________
Hi Pavel and welcome to Codetown! I like your profile picture. Are you aware of the great vJug sessions coming up? One in about a week is a discussion of Josh Bloch's Effective Java. It's on the Safari Bookshelf! So, if you sign up for a free trial, you'll have just enough time to read the first 100 pages for the first meeting. All the best, Michael
PS - Here's the invitation from Simon:
May 26th Book Reading Club: "Effective Java" by Josh Bloch - Part 1
June 16th Book Reading Club: "Effective Java" by Josh Bloch - Part 2
July 7th Book Reading Club: "Effective Java" by Josh Bloch - Part 3
Here are the specific codes, available on our "Welcome" page: www.informit.com/usergroupwelcome
Save 35% Every Day on Print Books
• Apply discount code USERGROUP during checkout
• Have more shelf space? Buy 2 or more and save 40% when you apply discount code IUG240 during checkout
Save 45% on eBooks and Video Training
• Apply discount code IUGD45 during checkout