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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…
Added by Michael Levin on August 29, 2025 at 5:32pm — No Comments
Free Eclipse book, recently published
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.…
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:
- Coding based on intuition or feel
Instead of rigidly planning everything out, you’re:- Freestyling as you…
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
Software language criteria
https://www.linkedin.com/posts/skills-software-development_as-a-software-developer-selecting-the-appropriate-ugcPost-7125938686818467840-pp_V?utm_source=share&utm_medium=member_ios
Added by Michael Levin on December 1, 2023 at 3:48am — 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…
ContinueAdded by Michael Levin on September 2, 2023 at 9:21am — No Comments
Software defined radio…cool!
Added by Michael Levin on June 21, 2023 at 10:29am — No Comments
A Pattern Language
Added by Michael Levin on March 4, 2023 at 6:00pm — No Comments
Podcast ::: Age of Wonders: NFTs, Art, AI, Cycles of Computing
Added by Michael Levin on October 14, 2022 at 6:00am — 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…
ContinueAdded by Michael Levin on January 28, 2022 at 12:52pm — No Comments
Free Java conference not to miss!
• 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
Added by Michael Levin on December 12, 2021 at 8:09am — No Comments
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!
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!
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
“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…
Added by Michael Levin on August 3, 2019 at 12:30pm — No Comments
Latest Blog Posts
- New Java features
- Free Eclipse book, recently published
- What is vibe coding?
- You can now download the source code that sparked the AI boom
- Software language criteria
- 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:…
- Software defined radio…cool!
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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.
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
Claude Code Adds Dynamic Workflows for Parallel Agent Coordination
Anthropic introduced Dynamic Workflows, a new capability for Claude Code designed to handle complex software engineering tasks by coordinating large numbers of AI agents within a single workflow. The feature allows Claude to dynamically create orchestration scripts, break work into subtasks, run them in parallel, and validate results before presenting a final answer.
By Robert KrzaczyńskiShopify Reports 15X Faster Graphql Execution with Breadth First Engine
Shopify introduced GraphQL Cardinal, a new execution engine replacing depth-first traversal with breadth-first execution. The redesign improves large-scale GraphQL performance with up to 15x faster field execution, 6x lower GC overhead, and +4s P50 latency gains. It focuses on execution-layer efficiency and batched resolver processing for high-cardinality commerce queries.
By Leela KumiliBadHost Vulnerability Exposes AI Agents, Evaluators, and LLM Gateways
BadHost is a high-severity authentication bypass vulnerability in the widely used Python web framework Starlette, with 325 million weekly downloads. The flaw allows attackers to use malformed HTTP Host headers to bypass path-based access controls and access sensitive AI agent infrastructure, among other systems.
By Sergio De SimonePresentation: Theme Systems at Scale: How To Build Highly Customizable Software
Shopify Staff Engineer Guilherme Carreiro discusses building and scaling highly customizable platforms. Using Shopify’s Liquid theme system as a case study, he explains how to balance extreme design flexibility with low-latency performance under massive traffic. He shares insights on implementing secure domain-specific languages, native code extensions, and resilient developer tooling.
By Guilherme CarreiroPodcast: Requirements Analysis for Architects: A Conversation with Sonya Natanzon
Michael Stiefel spoke to Sonya Natanzon, about the intersection of technical and social aspects of software architecture. Understanding the business and how a company operates is more important than the specific technologies used. Effective requirements analysis requires focusing on problems to be solved that describe good and bad outcomes, rather than statements of need or solution statements.
By Sonya Natanzon
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