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Beyond Foundations of F# - Workflows

Continuing Robert Pickering's series of articles on F#, this InfoQ exlclusive article focuses on workflows in F#. Workflows are the building blocks for library implementers interested in the basics of DSLs.

Robert Pickering
on Jan 03, 2008
Aspects of Domain Model Management

Using a domain model is rarely as easy as just creating the actual domain model classes and then using them. Soon enough one discovers that sizable amounts of infrastructure code will also be required in support of the domain model. In this article, Mats Helander explains how to use Domain Model Management to handle this complexity in a simple way.

Mats Helander
on Dec 23, 2007
Talking Rails 2.0 with David Heinemeier Hansson

Ruby on Rails 2.0 is the next version of the premier web application framework for the Ruby language, after almost a full year in development. Rails 2.0 is full of great new features, bug fixes and lots of the polish expected from the team. InfoQ had the opportunity to talk with the creator of Rails, David Heinemeier Hansson, to learn what it's like to get this release out the door.

Robert Bazinet
on Dec 21, 2007
An Introduction to the Eclipse Business Intelligence and Reporting Tools

The Business Intelligence and Reporting Tools (BIRT) Project is an open source software project that provides reporting and business intelligence capabilities for JEE and Java applications. This introduction dives into it various features such as the report designer, chart wizards, and web viewer. Future articles will dive into practical applications of BIRT in JEE and desktop applications.

Jason Weathersby
on Dec 20, 2007
Book Excerpt and Review: Release It!

'Release It!: Design and Deploy Production-Ready Software' by Michael Nygard, which is nominated for a 2008 Jolt Award, discusses what it takes to make production-ready software and explains how this differs from feature-complete software. InfoQ spoke with Nygard about the areas that the book covers and some questions around how the book's philosophy fits in with concepts such as Agile.

Ryan Slobojan
on Dec 20, 2007
NetBeans: Ruby Developer's New Best Friend (Part 2)

This is the second article in an ongoing series detailing the new Ruby support of the Netbeans 6.0 IDE. This installment takes a look at editing features such as code templates, GEM support, and unit testing.

Roman Strobl
on Dec 13, 2007
Architecture & Design

A Brief Introduction to REST

In this article, Stefan Tilkov provides a pragmatic introduction to REST (REpresentational State Transfer), the architecture behind the World Wide Web, and covers the key principles: Identifiable resources, links and hypermedia, standard methods, multiple representations and stateless communication.

Stefan Tilkov
on Dec 10, 2007
What's New in Groovy 1.5

In this article Groovy Project Manager Guillaume Laforge provides an overview of the new and noteworthy features of Groovy 1.5 including support for Java 5 features with annotations, generics and enums. You will also be introduced to enhanced Groovy tooling support via Maven and IntelliJ.

Guillaume LaForge
on Dec 09, 2007
Using singleton classes for object metadata

So you have a bunch of objects - let's call it an object graph - provided by some API. Now you want to to process the objects - which requires some intermediate data, for instance: the process creates some metadata that needs to be stored with the objects. The problem: where to store the metadata? We'll show how to use Ruby singleton classes to handle this problem.

Werner Schuster
on Dec 05, 2007
The Seven Fallacies of Business Process Execution

After 8+ years of intense research, the promises of BPM have not materialized: we are still far from having the ability to use the business process models designed by business analysts to create complete executable solutions. Some argue that we need to re-engineer BPM standards. In this paper we explore a new architecture blueprint for BPMSs that offers a cleaner alignment between SOA and BPM.

Jean-Jacques Dubray
on Dec 04, 2007
A Detailed look at Overriding the Equality Operator

It is surprisingly easy to make a mistake when overriding the equality operator. Not only does the equality operator bring along with it a lot of baggage, there is a lot of flawed guidance out there, even on the MSDN website. So we are going to try to clear the air by presenting a systematic breakdown of both a reference type and a value type that supports equality.

Jonathan Allen
on Nov 28, 2007
Key Takeaway Points and Lessons Learned from QCon San Francisco 2007

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, Architectures you've always wondered about, Architecture Quality, How much REST do we need?, Java in Action, Architecting for Performance & Scalability, Java Emerging Technologies, Challenges in Agile, Bleeding Edge .NET, The Rise of Ruby.

Ryan Slobojan
on Nov 27, 2007

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