Codetown ::: a software developer's community
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The Definitive Guide to JythonThis just in: The Definitive Guide to Jython: Python for the Java Platform is finally available! Jython is an open source implementatio… Started by Michael Levin |
0 | Aug 19, 2009 |
Programming in Scala Book is out!You may get an e-copy at a pretty low price. Check it out at http://www.artima.com/shop/programming_in_scala Have fun! -Z Started by Zemian Deng |
0 | Nov 22, 2008 |
Scala 2.7.2.final release is out!In case you missed it, the new release marks a important date for them. Besides few big features and bugs fixes added, this release will ma… Started by Zemian Deng |
0 | Nov 14, 2008 |
Using scala scripts to check Java jar filesHere I attached two scripts that might help you working with jar files. Have you tried to verify that a Class must exists in a lib directo… Started by Zemian Deng |
0 | Sep 11, 2008 |
Scala Example: a simple cat commandHi, Here is a simple Scala script that prints or concatenates text files: //file: cat.scala import java.io._ val files = args for(f <-… Started by Zemian Deng |
0 | Aug 29, 2008 |
A super rich Java String with ScalaFor the longest time I wish Java support HEREDOC kind of string construct like in Perl and other. This seems to be extremely useful when yo… Started by Zemian Deng |
0 | Aug 23, 2008 |
Sweet-0.0.1 is outI am excited to announce the first stable release of sweet. There are great samples including database access out here: http://code.google.… Started by Zemian Deng |
0 | Aug 5, 2008 |
SweetScala indeedHello everyone, I have started a Scala web framework project at http://code.google.com/p/sweetscala. It's still young, but the distributio… Started by Zemian Deng |
0 | Jul 22, 2008 |
Scala on JVM is pretty sweetI have been studying the Scala language for the last several months, and I found it very attractive. Not only it can run on JVM and use any… Started by Zemian Deng |
0 | Jul 16, 2008 |
Sample Store Catalog using using Groovy and Grails and the Java Persistence API on Glassfish with MySQLI modified this Groovy and Grails Catalog Sample application to use JPA entity java classes instead of Groovy domain classes. I followed th… Started by Carol McDonald |
0 | Jul 15, 2008 |
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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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 Krasavina
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 RedlichDan 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 Fineran
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 Maljkovic
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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