Codetown
Codetown ::: a software developer's community
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…
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…
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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: Challenging Google Analytics: Building a Scalable, Cost-Effective User Tracking Service
Alina Krasavina explains how Delivery Hero successfully deprecated Google Analytics and migrated to an internal user tracking platform. She discusses how a simplistic, highly scalable architecture allowed them to handle 10 times more load while capturing 97% of tracking data.
By Alina KrasavinaJava News Roundup: Spring Tools, Helidon, Open Liberty, TomEE, JobRunr, Hibernate, Commonhaus
This week's Java roundup for June 15th, 2026, features news highlighting: point releases of Spring Tools, Helidon, JobRunr and Gradle; the June 2026 edition of Open Liberty; the first milestone release of Apache TomEE 11.0; the first beta release of Hibernate ORM 8.0; Quarkus emergency maintenance releases to address CVE-2026-50559; and four open-source projects join the Commonhaus Foundation.
By Michael RedlichPodcast: How eBPF Empowers Developers to Observe Inside the Linux Kernel in a Safe and Unintrusive Way
Dan Fineran explores how eBPF has evolved far beyond its roots in packet filtering into a robust, safe way to extend the Linux kernel. He explains how the eBPF "verifier", the security guardrail, enables implementation of deep observability and networking without the risks of traditional kernel modules or the slow upstreaming process.
By Dan FineranArticle: Understanding ML Model Poisoning: How It Happens and How to Detect It
In this article, the author explores data poisoning as a threat to machine learning systems, covering techniques such as label flipping, backdoors, clean-label poisoning, and gradient manipulation. The article reviews real-world incidents, discusses the challenges of detecting poisoned data, and presents practical defenses, tools, and operational practices for securing ML training pipelines.
By Igor MaljkovicAWS Graviton5 Reaches General Availability with 192 Cores and Formally Verified VM Isolation
AWS made Graviton5-powered EC2 M9g and M9gd instances generally available with 192 ARM cores, formally verified VM isolation via the Nitro Isolation Engine, and DDR5-8800 memory. ClickHouse reported 36% better performance with zero code changes. Meta committed tens of millions of cores. On-demand pricing is 9% above Graviton4, translating to roughly 15% better price-performance.
By Steef-Jan Wiggers
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