Michael Levin's Blog (285)

New Java features

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…

Continue

Added by Michael Levin on August 29, 2025 at 5:32pm — No Comments

Free Eclipse book, recently published

Hi 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.…
Continue

Added by Michael Levin on August 24, 2025 at 11:59am — No Comments

What is vibe coding?

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:

  1. Coding based on intuition or feel

    Instead of rigidly planning everything out, you’re:

    • Freestyling as you…
Continue

Added by Michael Levin on June 9, 2025 at 9:37am — No Comments

You can now download the source code that sparked the AI boom

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/

Added by Michael Levin on March 25, 2025 at 4:30am — No Comments

We have some exciting news to share with you. Otavio will be joining us to discuss the latest version of Camel in an exclusive presentation. Presentation Details: Speaker: Otavio Rodolfo Piske Topic:…

We have some exciting news to share with you. Otavio will be joining us to discuss the latest version of Camel in an exclusive presentation.

Presentation Details:

Speaker: Otavio Rodolfo Piske

Topic: Camel 4:What to Expect

Date: 07 September 2023

Time: 19:00 Ist Time

Duration: Approximately 1 hour

Register URL : https://www.eventbrite.com/e/700456483197

Presentation…

Continue

Added by Michael Levin on September 2, 2023 at 9:21am — No Comments

A Pattern Language

A Pattern Language 

Watch this first. https://youtube.com/shorts/6UY4Egd0taE?feature=share
This is my favorite book.

Added by Michael Levin on March 4, 2023 at 6:00pm — No Comments

Twitter architecture

Added by Michael Levin on November 21, 2022 at 8:22am — No Comments

Java brain teaser!

Give it a try!

https://twitter.com/heinzkabutz/status/1514319404997267464

Added by Michael Levin on April 14, 2022 at 9:30am — No Comments

RealityLabs ::: A great new Gainesville Florida experience!

Hello lab volunteers and friends...

RealityLabs, the community computer lab sponsored by the Gainesville Counseling Center and located at the Highlands Community Center is making progress towards our grand opening in later this year. 

We need some board members to help steer the progress and efforts of the lab, please let me know if you are interested.  

We will meet from 10a - 4p this Saturday the 22nd with the hope to start or accomplish some or all of the items…

Continue

Added by Michael Levin on January 28, 2022 at 12:52pm — No Comments

Free Java conference not to miss!

Join the 2022 JChampions Conference. January 20, 21, 24, & 25.

• More info: https://jchampionsconf.com
• Talks: https://jchampionsconf.com/speakers.html
• Free tickets: https://www.eventbrite.com/e/jchampions-conference-2022-tickets-231766418597

Added by Michael Levin on January 8, 2022 at 6:13pm — No Comments

Log4J Security Issue

https://apple.news/AakyMLdB9TcOiLXRyUTPcGQ

Added by Michael Levin on December 12, 2021 at 8:09am — No Comments

This FREE online Java conference is tomorrow!

This FREE online Java conference is tomorrow!

Visit https://www.accelevents.com/e/2021jconfdev to see the full agenda for the day as well as all session descriptions and speaker bios. It's free so no need for FOMO. The conference runs from 9:00 PM CST to 5:00 PM CST (3:00 PM UDT - 11:00 PM UDT

Added by Michael Levin on December 8, 2021 at 11:51am — No Comments

The 2021 JakartaEE Developer Survey is now open!

The 2021 JakartaEE Developer Survey is now open! The survey only takes a few minutes to complete.

https://www.surveymonkey.com/r/FD2GWM8

Added by Michael Levin on April 16, 2021 at 10:39am — No Comments

J4K is virtual this year...and free!

J4K was a superb conference last year. This year, it’s virtual and free! Some of the world’s best speakers will present. Register here: http://j4k.io/ They say tickets will go fast. #j4k 

Added by Michael Levin on July 2, 2020 at 6:52pm — No Comments

Dev Dot Next Webinar!

Dev.Next will run their online event this Tuesday, 24 March, starting at 12 pm EDT.

https://www.devdotnext.com/digital



Oracle is hosting a webinar on Java 14 next Thursday, 26 March from 2-2:30 pm EDT, which will cover some of the new features:…



Continue

Added by Michael Levin on March 24, 2020 at 7:44am — No Comments

Hackathon

From Zach:

“Hey Mike, I am helping organize an upcoming hackathon at Palm Coast City hall and want to invite your group of devs to attend and compete. There is a $12k prize pool as well as raffle prizes and free food all weekend long. This is a free event and any and all experience is welcome to come check it out. The event website is TechBeachHackathon.com for all the details.”

Added by Michael Levin on January 11, 2020 at 2:06am — No Comments

Swampcast features Tim Westergren, Pandora CEO

Join Michael Levin in this Swampcast interview with Tim Westergren, Pandora CEO. Click here to listen. Photo…

Continue

Added by Michael Levin on August 3, 2019 at 12:30pm — No Comments

Monthly Archives

2025

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

Apple Researchers Introduce Ferret-UI Lite, an On-Device AI Model for Seeing and Controlling UIs

Apple's Ferret-UI Lite is a 3B-parameter model optimized for mobile and desktop screens, designed to interpret screen images, understand UI elements such as icons and text, and interact with apps by, e.g., reading messages, checking health data, and more.

By Sergio De Simone

Platform Engineering Labs Expands formae with Multi-Cloud Support

Platform Engineering Labs today announced a major update to its open source Infrastructure-as-Code (IaC) platform, formae, adding beta support for Google Cloud Platform (GCP), Microsoft Azure, Oracle Cloud Infrastructure (OCI), and OVHcloud.

By Craig Risi

AI "Vibe Coding" Threatens Open Source as Maintainers Face Crisis

Daniel Stenberg shut down cURL's bug bounty after AI submissions hit 20%. Mitchell Hashimoto banned AI code from Ghostty. Steve Ruiz closed all external PRs to tldraw. Economic research shows "vibe coding" weakens the user engagement that sustains open source. As developers delegate to AI agents, documentation visits and bug reports collapse—threatening the ecosystem's viability.

By Steef-Jan Wiggers

Article: Virtual Panel - Culture, Code, and Platform: Building High-Performing Teams

In this virtual panel, we'll focus on performance improvement through platform engineering and fostering developer experience, to increase productivity, quality, developer well-being, and more. We'll also explore the role that tech leadership can play in culture change and performance improvement for software development organizations.

By Ben Linders, Patrick Kua, Abby Bangser, Sarah Wells

Quesma Releases OTelBench to Evaluate OpenTelemetry Infrastructure and AI Performance

Quesma has launched OTelBench, an open-source suite to benchmark OpenTelemetry pipelines and AI-driven instrumentation. It evaluates collector performance under stress while testing how accurately LLMs handle complex SRE tasks like context propagation. Initial data shows AI agents often achieve success rates below 30%, highlighting the gap between code generation and production observability.

By Mark Silvester

© 2026   Created by Michael Levin.   Powered by

Badges  |  Report an Issue  |  Terms of Service