Codetown
Codetown ::: a software developer's community
GatorJUG Town
Information
Gainesville JUG, this is your place. Gather here to network, trade tips and ideas, or ask questions. You can create discussions and upload code. Check the Codetown Events section for meeting info.
Location: Gainesville, FL
Members: 30
Latest Activity: Feb 25, 2021
GatorJUG Town
Hello, GatorJUG!
Welcome to your new home on the web. This is going to be a much more sociable place to get together - virtually. www.gatorjug.org, points here now. Check the Codetown Events section for meeting info.
Meanwhile, take a look around CodeTown while you're here. This framework is Java-based with a PHP front end. We've got many groups here to peruse. Our meetings will be listed in the Events section.
Have fun!
All the best,
Michael Levin
Discussion Forum
JUG Meeting in Orlando tonite!
We're having a JUG meeting tonight if you know anyone interested. Eden Bar, 5:30-7:30. Free bevs! It’s in Orlando. Details here: www.Orlandojug.org and at the Ojug meetup site.Continue
Started by Michael Levin Feb 25, 2021.
J4K Conference —- here’s a code for free admission!
OrlandoJUG is a community partner for the J4K conf @ Hilton Buena Vista Orlando 7/30 Use code J4KREG for free admission www.j4k.io See you there!Continue
Tags: J4k
Started by Michael Levin Jul 21, 2019.
OSCON raffle!
Hello Juggies!Have you ever been to OSCON? It’s the O’Reilly Open Source Conference. If you have, you wanna go back! If not, you wanna go!OSCON is arguably the best open source conference around. It’s in Portland, OR (awesome city), July 15-18 and we are lucky to have one ticket to raffle off!Flights are cheap. Check Southwest. Places to stay are abundant. Great hostels and hotels, Airbnb’s and more. Public xport is easy. It’s a bicyclist’s dream, too.OSCON has great sessions on everything from languages to operating systems, architecture to project management. There’s an expo with loads of companies and it’s also a good place to network for jobs and staff.After hours is also a blast with happy hours, activities like a fun run, more!If you’re interested in checking it out, http://www.oscon.com is the URL. You also get access to Safari, the online book library.All in all, it’s the best educational and social experiment I know of, and if you want to…Continue
Started by Michael Levin May 31, 2019.
O'Reilly Open Source Convention | July 16–19, 2018 | Portland, Oregon
O'Reilly Open Source Convention | July 16–19, 2018 | Portland, Oregon OSCON didn’t get to be the longest running software conference by accident. Developers, engineers, and business leaders like you who build and support transformative technologies make OSCON the heartbeat of the movement. Join us in Portland July 16-19 for our 20 year anniversary for perspective on the decisions that strengthen and grow companies, deep knowledge of the technology to make it happen, and access to a community that can help both you and your organization thrive.Save 20% on most passes with discount code USRG. Link: http://www.oreilly.com/pub/cpc/125414Continue
Started by Michael Levin Jun 15, 2018.
Reading List ::: from JavaSpecialists
Issue 323 - Visiting All Threads (Including Virtual)
In this newsletter, we explore how we can visit the entire hierarchy of threads in our virtual machine, including virtual threads. We do this using the composite, visitor and facade design patterns.Issue 322 - Throwing InterruptedException Early
The LinkedBlockingQueue and LinkedBlockingDeque behave slightly differently when methods put() and take() are called by a thread that happens to be in the "interrupted" state. The LBQ throws an InterruptedException immediately when we call take(), even if the queue contains elements. The LBD, however, only throws InterruptedException if the deque is empty and the thread would enter the WAITING state. In this newsletter we show how a dynamic proxy can make the behaviour consistent.Issue 321 - StampedLock ReadWriteLock Dangers
ReentrantReadWriteLock has a limit of 65536 concurrent read locks. That is an unattainable number with platform threads, but definitely achievable with virtual threads. In this newsletter we explore some of the issues if we want to switch to the StampedLock.asReadWriteLock() instead.Issue 320 - Please Don't Yield A Lot
Java's Thread.yield() traditionally would cause a voluntary context switch. However, with virtual threads, it causes the thread to be unmounted from its carrier thread. This can greatly increase the user and system time for ALL the carrier threads. And there is no way to turn it off. Keep an eye out for yield in your thread dumps.Issue 319 - ArrayBlockingQueue: Weakly Consistent Iteration Powered by Weak References
Like many other concurrent collections, the ArrayBlockingQueue sports a weakly-consistent iterator. However, the ArrayBlockingQueue always has a maximum capacity, the length of the underlying array. In this newsletter we explore what happens to pending iterators when we wrap around the circular array.Comment Wall
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Comment by Michael Levin on May 8, 2015 at 1:09pm
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GatorJUG meets on the 2nd Wed every month from 6-8PM. Details at http://www.codetown.com/events
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.
Looking for Jobs or Staff?
Check out the Codetown Jobs group.
InfoQ Reading List
Presentation: Changing the Model: Why and How We Re-Architected Slack
Ian Hoffman discusses Slack's architectural evolution from workspace-centric to Unified Grid. He explains scaling challenges & Enterprise Grid complexities, and shares lessons learned during this significant architectural shift, drawing insightful parallels to the history of astronomy and emphasizing the importance of questioning foundational assumptions in software development.
By Ian HoffmanPodcast: Taming Flaky Tests: Trisha Gee on Developer Productivity and Testing Best Practices
In this podcast, Shane Hastie, Lead Editor for Culture & Methods, spoke with Trisha Gee about the challenges and importance of addressing flaky tests, their impact on developer productivity and morale, best practices for testing, and broader concepts of measuring and improving developer productivity.
By Trisha GeePresentation: LLM and Generative AI for Sensitive Data - Navigating Security, Responsibility, and Pitfalls in Highly Regulated Industries
Stefania Chaplin and Azhir Mahmood explain how to navigate the complexities of AI in highly regulated industries. They discuss MLOps pipelines, data security, evolving legislation (GDPR, EU AI Act), and the critical frameworks for responsible, secure, and explainable AI. Learn practical prevention techniques, XAI methods, and future trends in AI for cybersecurity and beyond.
By Stefania Chaplin, Azhir MahmoodLearning from Embedded Software Development for the Space Shuttle and the Orion MPCV
Software development is much different today than it was at the beginning of the Space Shuttle era because of the tools that we have. But the art and practice of software engineering has not progressed that much since the early days of software development. Compilers are much better and faster, and debuggers are now integrated into development tools, making the task of error detection easier.
By Ben LindersQCon London 2025: Hybrid Cloud-Native Networking in Enterprise - Some Assembly Required
In an engaging talk at QCon London 2025, Louis Ryan, CTO of Solo.io and co-creator of Istio, addressed the complexities of hybrid cloud-native networking. He emphasized intentional assembly of network components, critical evaluation of tools, and treating networking as a primary focus to ensure reliability, observability, and security in today's intricate enterprise environments.
By Steef-Jan Wiggers
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