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Performance Analysis and Monitoring with Perf4J

In this article Alex Devine explains how Java developers can take advantage of Perf4J, an open source toolset for adding code timing statements and for logging, analyzing and monitoring the results. Alex introduces several aspects of Perf4J like integration with Log4J, use of annotations, pitfalls and good practices.

Alex Devine
on Apr 23, 2009
Developing a Complex External DSL

In this article Vaughn Vernon explains the difference between internal and external DSLs and shows the steps involved in developing a complex external DSL.

Vaughn Vernon
on Apr 13, 2009
Key Takeaway Points and Lessons Learned from QCon London 2009

This article presents the main takeway points as seen by the many attendees who blogged about QCon. Comments are organized by tracks and sessions: Keynotes, Interviews, Tutorials, Web as a Platform, Emerging languages in the enterprise, Real World SOA, Systems that never stop, Architectures in Financial Applications, Agile Organisational patterns, Historically bad ideas, Java.Next and many more!

Ryan Slobojan
on Apr 09, 2009
Fetching strategy implementation in a J2EE application using AOP

This article presents a fetching strategy that using AOP, optimizes the data retrieval process from a back end system on a use case basis in a modular way without bloating the lower level service or repository layers.

Manjunath R Naganna
on Mar 30, 2009
Interview and Book Excerpt: Jaroslav Tulach's Practical API Design

Jaroslav Tulach's latest book Practical API Design covers the topic of API design of software projects. He brings his experience as the architect for NetBeans IDE project to the writing of this book. InfoQ spoke with Jaroslav about his new book, the main motivation for writing it and other topics. We are also making an excerpt from the book available for our readers.

Srini Penchikala
on Mar 24, 2009
Gregg Pollack and the How-To of Scaling Rails

Ruby on Rails has done well since its introduction a few years ago but has taken some criticism for not being able to scale. Developers know there is always a right way and a wrong way to solve any problem and scaling Ruby on Rails is no different. Learn about what is being done to address Ruby on Rails and scaling to the enterprise.

Robert Bazinet
on Mar 11, 2009
What's New in Groovy 1.6

Groovy project lead writes about Groovy 1.6 changes and improvements, including include performance enhancements, integration of JMX Builder, and OSGi readiness.

Guillaume LaForge
on Feb 27, 2009
Virtual Panel: The Current and Future State of RIA

InfoQ recently conducted a virtual panel via email on the current and future state of RIA and Ajax technologies. The panel features a number of valued contributors to the community including Dion Almaer, Jnan Dash, Didier Girard, Peter Pilgrim, Tim Sneath, and Ryan Stewart.

Scott Delap
on Feb 26, 2009
Staying Safe and Sound Thanks to MDSD

In this article, Andreas Kaltenbach explains how Model-Driven Software Development (MSDS) can help solving backward compatibility problems when creating a newer version of a software which can mean a new API or a new database schema that old clients cannot use. MSDS is used to negotiate the differences between versions to ease the upgrading process.

Andreas Kaltenbach
on Feb 25, 2009
Why Do We Need Distributed OSGi?

Recently, an early release draft of a Distributed OSGi requirements and design document has been published, long with a reference implementation as part of Apache CXF. In a new article, Eric Newcomer writes about the current status of distributed OSGi and explains the reasons for standardizing it in the first place, and its significance to the OSGi specification and community.

Eric Newcomer
on Feb 23, 2009
RGen: Ruby Modelling and Code Generation Framework

This article introduces RGen, a modelling framework inspired by openArchitectureWare. RGen uses internal DSLs for defining metamodels and offers a full modelling stack for Ruby.

Martin Thiede
on Feb 20, 2009
InfoQ Editors' Recommended Reading List

We recently had a conversation amongst the InfoQ editorial team about the books we would most recommend to InfoQ readers based on the books that we felt had most influenced us as programmers, architects and managers. Here is the resulting list of sixteen books that we eventually agreed on, plus a few other tips, with comments from the editors who originally suggested them.

Charles Humble
on Feb 17, 2009

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