All Groups (41)

  • Database SIG

    13 members Latest Activity: Mar 16, 2015 Object relational mapping, Hibernate, container managed persistence. Do you eat, breath and sleep databases? We do! This is the place to share what…

  • Configuration Management SIG

    8 members Latest Activity: Nov 3, 2011 Half the work of starting a project is setting it up. A large proportion is keeping it set up. We'll talk about tips and tricks, Maven, and more…

  • Testing Town

    9 members Latest Activity: May 8, 2010 An app that's tested is a reliable app. An app that's unit-tested is even more reliable. This is the meat and potatoes of software development. Ya…

  • Spring Town

    47 members Latest Activity: Sep 21, 2019 Dependency injection. It's a smart approach. Believe that? We do! Come on in and share what you know. Ask all your Spring questions here, too!

  • 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!

  • Kotlin Town

    6 members Latest Activity: Nov 18, 2019

    Interested in Kotlin? Are you a practitioner?

    Kotlin is a statically typed…

  • JavaScript Village

    1 member Latest Activity: Jun 22, 2017

    JavaScript and the world of technologies that work along with it. 

  • AFRICA ANDROID CHALLENGE

    3 members Latest Activity: Mar 19, 2012

    The Africa Android Challenge is on! The object is to learn and share your software development expertise...and to compete with your best Android…

  • 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.…

  • Democratic Republic of Congo (RDC) JUG Town

    8 members Latest Activity: Jun 5, 2014

    Come join us here at the RDC JUG Town! Stanislas Matayo and the group in Kinshasa welcome you.

  • Coders4frica

    3 members Latest Activity: May 26, 2011

    Coders4Africa provides African programmers gateway to free training and certification in the main technologies…

  • Startup City

    24 members Latest Activity: Jun 10, 2016 Have you got a great idea you'd like to put into action? This is the place for you! We'll talk about ideas and how to turn them into businesses here.

  • JUG-AFRICA

    12 members Latest Activity: May 7, 2018 JUG-AFRICA is an umbrella Group for Java User Groups located on the continent of Africa.The idea behind JUG-AFRICA is to allow JUGs located within…

  • 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…

  • Jobs

    75 members Latest Activity: Nov 11, 2021

    Post jobs here. Payment details are here. PayPal…

  • 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.

  • SeneJUG Town

    7 members Latest Activity: Jun 5, 2014 The SeneJUG is the West African Java Users Group. Our vibrant community meets in Dakar, Senegal. SeneJUG Town is our virtual meeting point. Ba…

  • 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.

  • Web2.0 Town

    19 members Latest Activity: Dec 22, 2013 Web2.0 is the dynamic web. It's social networking, tag clouds, metadata, geodata, and more. We love Web2.0. There's more out there than you can…

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

Inside Google’s System for Coordinated A/B Testing Across Its Global Service Fleet

Google has shared details of its fleet wide large scale A/B experimentation system designed to standardize experiment assignment, exposure logging, and configuration propagation across distributed services. The approach enables consistent measurement across products, reduces experiment conflicts, and improves reliability of data driven decision making at scale.

By Leela Kumili

Presentation: Choosing Your AI Copilot: Maximizing Developer Productivity

Sepehr Khosravi discusses the evolution of developer productivity tools. Evaluating the strengths of tools like Cursor and Claude Code, he explains actionable techniques for senior engineers - including context engineering, custom rules, and Model Context Protocol (MCP) integrations. He shares real-world benchmarks and strategic frameworks for balancing AI adoption with clean code quality.

By Sepehr Khosravi

Article: Two Misconfigurations That Caused Spark OOM Failures on Kubernetes

After migrating Spark pipelines to Azure Kubernetes Service, two infrastructure settings interacted destructively: spark.kubernetes.local.dirs.tmpfs=true backed shuffle spill with RAM instead of disk, and a hard podAffinity rule forced all executors onto one node. Together, they caused repeated OOM kills invisible to standard diagnostics.

By Pranav Bhasker

Node.js Moves to One Major Release Per Year, Starting with Node 27

Node.js will change its release schedule starting with version 27 in October 2026, moving from two major releases per year to one. All releases will become Long-Term Support (LTS), removing the distinction between odd and even versions. An Alpha channel for early testing will also be introduced. This decision addresses maintenance challenges and aims to align with user needs.

By Daniel Curtis

Presentation: The Human Toll of Incidents & Ways To Mitigate It

Kyle Lexmond explains how to handle the high-pressure environment of severe production outages. He discusses the critical distinction between mitigation and root-cause resolution, sharing personal experiences from harrowing incident rooms. He shares valuable operational strategies on overcoming cognitive overload, establishing blameless cultures, and optimizing systems for faster recovery.

By Kyle Lexmond

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