Codetown ::: a software developer's community
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Posted on August 29, 2025 at 5:32pm 0 Comments 0 Likes
August 28 2025, Newsletter no. 297 (this newsletter is available in html format at http://www.javaperformancetuning.com/news/news297.shtml )
As usual before a Java release, I'm listing all the new…
Posted on August 24, 2025 at 11:59am 0 Comments 0 Likes
ContinueHi Everyone,My publisher is running a free Amazon Kindle book promotion through Monday, August 25th, 2025. The book, “Eclipse Collections Categorically: Level up your programming game” can be obtained for $0 on Kindle on Amazon through the August 25th.…
Posted on June 9, 2025 at 9:37am 0 Comments 0 Likes
Vibe coding isn’t a formal technical term, but it’s become a slang or colloquial expression among programmers and tech communities—especially on social media and in creative coding circles.
What “vibe coding” usually means:
Posted on March 25, 2025 at 4:30am 0 Comments 0 Likes
Learning about artificial intelligence? You may find this interesting.
https://arstechnica.com/ai/2025/03/you-can-now-download-the-source-code-that-sparked-the-ai-boom/
Posted on December 1, 2023 at 3:48am 0 Comments 0 Likes
Thanks Mike! What a blast from the past! That Red Hat swag! ;-). Jim
Thanks for the invite!
I didn't mean to make you feel bad, I know how busy you must be. It's just we could do more to promote this site. Does the twitter thingie work for you?
Thanks so much for the birthday wishes. I know it's so late getting back to you but I don't check this website very often.
Thanks for the invitation and the birthday wishes, Mike!
Thanks. I'm interested either way (either 10/25 or the rescheduled day).
Sure Mike. I can do that
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.
Check out the Codetown Jobs group.

Discord engineering detailed how they added distributed tracing to Elixir's actor model. Their custom Transport library wraps messages with trace context and uses dynamic sampling to handle million-user fanouts. CPU optimizations included skipping unsampled traces and filtering context before deserialization, recovering 10+ percentage points of overhead.
By Steef-Jan Wiggers
HashiCorp has released Vault 1.21. This version introduces native SPIFFE authentication for non-human workloads, expands the granular secret recovery model introduced in Vault 1.20, and adds KV v2 secret attribution, MFA TOTP self-enrollment, a Vault Secrets Operator CSI driver that mounts secrets directly into pods without persisting them in etcd, and more.
By Diogo Carleto
Cloudflare recently introduced Custom Regions, an expansion of its Regional Services that lets customers precisely define where their data is processed. By selecting specific groups of data centers by country or region, customers can ensure that TLS termination and application-layer processing remain within chosen geographic boundaries for compliance and control.
By Renato Losio
The new, experimental Web Install API is now in Origin Trial in Microsoft Edge and Chrome. The API allows developers to programmatically trigger a PWA installation prompt from in-app user interactions. The API aims to simplify software discovery and distribution, particularly for users who are unaware of the install icon in the browser’s address bar or do not typically use app stores.
By Bruno Couriol
Hannah Foxwell began her QCon London 2026 talk by noting that the long-sought velocity in development has arrived, but the industry is unsure how to use it. She set aside the technical details of agentic coding, focusing instead on its implications for the people working with these systems.
By Matt Saunders
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