Featured Groups (13)

  • Kotlin Town

    6 members Latest Activity: Nov 18, 2019

    Interested in Kotlin? Are you a practitioner?

    Kotlin is a statically typed…

  • Computational Linguistics Village

    15 members Latest Activity: May 6, 2018 Ever wonder how Google Translate works? It's computational linguistics! Join us here and learn all about it and more. Jim White will be our guide.…

  • Jobs

    75 members Latest Activity: Nov 11, 2021

    Post jobs here. Payment details are here. PayPal…

  • Contest Town

    9 members Latest Activity: Apr 13, 2010 Everyone likes a challenge. How about a contest? If you like to flex your muscle, why not join us here at Contest Town. You'll find some challenging…

  • Community Corral

    23 members Latest Activity: Aug 23, 2012 Are you interested in social networks? We're talking about virtual communities here. Community builders use tools and techniques. We'll discuss them…

  • Scala

    5 members Latest Activity: Jul 27, 2011 Scala is a general programming language and it runs on JVM. It's a static typed language with many features that make code concise and flexible.

  • Freelance Village

    11 members Latest Activity: Jul 6, 2018 Freelancing? Whether you're new or an old timer, this is the place for you! Share your tips and explore the possibilities here.

  • iPhone Development

    40 members Latest Activity: Jan 29, 2015 iPhone development is going nuts! All the apps, all the possibilities. Objective-C is the language. The SDK is out. Shops are springing up everywhere…

  • Ruby Town

    14 members Latest Activity: Dec 5, 2012 Ruby has made an impact on patterns of software development with its elegant syntax and Rails, an intelligent framework designed to simplify coding.

  • Clojure

    8 members Latest Activity: Feb 13, 2014 Clojure is a programming language that shares the powerful meta-programming facilities of Lisp, has an agent-based approach to concurrency like…

  • Groovy and Grails

    25 members Latest Activity: Feb 28, 2015 Using Groovy and Grails? Discuss it here.

  • Other Languages on the JVM Village

    9 members Latest Activity: Feb 28, 2015 Love Jython? Can't get enough JRuby? Groovy? Dynamic languages on the JVM can set you free! Scala? Sure! Let us know what you think here in the Other…

  • Java SE Town

    14 members Latest Activity: Jun 26, 2019 This group focuses on the Java SE environment. It's the core Java group. Questions? Answers? Musings? This is the place for you!

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.

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InfoQ Reading List

Airbnb Implements Context-Aware Identity Model to Support Privacy-First Social Features

Airbnb has redesigned its identity system to support privacy-first social features in Experiences. The platform introduces context-specific profiles that separate global user identity from externally visible profiles, preventing cross-context linkage. The migration leveraged automated auditing, manual validation, and AI-assisted refactoring to enforce correct identity usage across services.

By Leela Kumili

JEP 533 Tightens Exception Handling in Java's Structured Concurrency for JDK 27

JEP 533, Structured Concurrency, has reached integrated status for JDK 27. It refines exception handling and type safety in its API, particularly focusing on exception flow with a new ExecutionException type. Changes include an updated Joiner interface and a new open overload for easier configuration. The steady evolution signals ongoing development as feedback shapes the API.

By A N M Bazlur Rahman

Presentation: What I Learned Building Multi-Agent Systems From Scratch

Paulo Arruda discusses Shopify’s evolution in AI adoption, moving from simple chat tools to a sophisticated swarm of specialized agents. He explains the transition from massive "all-in-one" prompts to lean, narrow-focused agent microservices that slash task times from hours to minutes. He also shares a future-looking hypothesis on using filesystem-based adapters to solve context bloat.

By Paulo Arruda

Article: The Mathematics of Backlogs: Capacity Planning for Queue Recovery

Backlogs in distributed systems are arithmetic problems, not mysteries. This article provides practical formulas for calculating backlog drain time, sizing consumer headroom, and setting auto-scaling triggers. It covers key failure modes — retry amplification, metastable states, and cascading pipeline bottlenecks — plus when to shed load instead of draining.

By Rajesh Kumar Pandey

Grafana's Pyroscope 2.0 Makes Continuous Profiling Practical at Scale

Grafana Labs has launched Pyroscope 2.0, a rearchitected open-source continuous profiling database. This version improves storage costs, query performance, and operational complexity. Key changes include single write paths for profiles, stateless query processing, and enhanced capabilities for profiling data. It supports the OpenTelemetry Protocol, aligning with current trends in observability.

By Matt Saunders

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