Gavin Terrill explores one of the lessor known facilities available to web developers, the humble "ETag Response Header", and how to integrate its use in a Spring and Hibernate based web app to improve application performance and scalability.
The maintainer of ActiveMessaging for Ruby on Rails gives a comprehensive and informative introduction to his open-source framework, which enables enterprise messaging technologies to be easily integrated with Ruby on Rails applications, and is getting support from noted industry leaders such as James Strachan and Jon Tirsen.
ActiveRecord fails the DRY principle, especially if your database doesn't follow Rails naming conventions. As well, ActiveRecord associations and validations are redundant specifications of database constraints. Bryan wants to avoid (as much as possible) the situation where he's averse to making changes to his database schema, because of the resulting effort to change his app code.
SimpleTicket, a newly open-sourced Rails app provides insight into progress and innovation enjoyed by Ruby on Rails advocates and paints a vivid picture of a dynamic, modern startup. 2
An update from the Spring team on Spring 2's delay to late Sept to improve JMS, JPA, and integrate with OSGi. 5
In this book Anil Hemrajani relates Agile practices to Java and the Spring, Hibernate, and Eclipse open source toolsets. It's a useful book for technical managers and Java web developers. 4