InfoQ Homepage News
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Survey: Only 37% of enterprises achieve positive ROI with SOA
Nucleus Research and KnowlegeStorm have recently released a report of a survey they did citing that only 37% of 106 enterprises polled achieved positive Return on Investment (ROI) on their SOA deployments. Is SOA ROI just a myth?
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High Performance Ruby MVC: Merb
By some accounts, Ruby on Rails request-processing has slowed 10-20% with each recent release, so Ezra Zygmuntowicz built his own Ruby-based MVC framework using some of the best parts of Rails. Recently, at the Ruby Hoedown event, Ezra demonstrated how Merb keeps the agility of ActiveRecord while focusing on high-load performance and concurrency.
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InfoQ Article: Lean Kanban Boards for Agile Tracking
"Big Visible Charts" aren't unique to Agile - Lean manufacturing also has its Kanban Boards. "Kanban" roughly means "card or sign," and each Kanban card is "pulled" onto the board only when the work represented by an "in progress" card is retired. In this InfoQ article, Kenji Hiranabe proposes using Kanban Boards to track Agile project status (Time, Task, and Team) to enhance collaboration.
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Interview: Dan Pritchett on Architecture at eBay
Dan Pritchett gives us an inside look into the decisions behind one of the largest scale architectures in the world: eBay. In explaining how the scale of eBay turns simple requirements a complex engineering problem, he walks us through the technical and organizational challenges of managing eBay's architecture.
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RubyLearning.com to Relaunch Free Online Lessons
After achieving popularity last summer, Satish Talim at <a href="http://www.rubylearning.com/" target="_new">RubyLearning</a> is doing it again with his free online course. It started as a way for him to pick up the language, and after the community picked up on it, over 100 people joined him. He hopes to do better this time.
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Interview: OpenJPA & the JPA spec with Patrick Linskey
OpenJPA is an implementation of the Java Persistence API (JPA) which can be used as a stand-alone POJO persistence layer, or it can be integrated into any EJB3.0 compliant container and many lightweight frameworks. In this interview, Patrick Linskey explains where OpenJPA came from, how it fits into the O/R Mapping space, the JPA specification, and future plans for OpenJPA.
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Ruby 1.9 adds Fibers for lightweight concurrency
Fibers were recently in the Ruby 1.9 branch. The Coroutine-like concept has many uses, such as implementing lightweight concurrency and others. We look at the concept and influences of Fibers in Ruby 1.9, as well as code samples.
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Interview: Jim Webber on "Guerilla SOA"
In this InfoQ interview, recorded at QCon London, Jim Webber, ThoughtWorks SOA practice leader talks to Stefan Tilkov about Guerilla SOA, a lightweight approach to SOA that does not rely on big middleware products, a message-oriented architectural style called MEST and its differences to REST, and the SOAP Service Description Language (SSDL).
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Pattern Oriented Software Architecture Volumes 4 and 5 released
Volume 4 and 5 in the Pattern-Oriented Software Architecture book series has been released. Volume 4 is about a pattern language for distributed computing and volume 5 is an in-depth look of what patterns are, what they are not, and how to use them successfully. InfoQ spoke to the authors to find out more.
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JRuby 1.0.1 release, JRuby 1.1 plan posted
Bugfix release JRuby 1.0.1 has just been made available, In other news: the planned items for JRuby 1.1, due this fall, were posted.
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CodeSmith's PLINQO: Replace & Extend LINQ to SQL
CodeSmith released Professional LINQ to Objects, a set of templates to be used with CodeSmith and Visual Studio 2008 that supplement Microsoft's upcoming LINQ to SQL and have many great features including the ability ot generate or update a LINQ to SQL dbml file from a db schema, generation of LINQ to SQL entity manager & entity classes as well as the DataContext class.
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Selling SOA to the Business
Richard Veryard, a software industry analyst for the CBDi Forum, ponders the question: Do we have to sell SOA? If yes, how should it be done? He also talks about the cost and ROI of SOA.
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JQuery Gains Live DOM Binding with Live Query Plugin
Live Query is a new plugin for jQuery that lets you register events or fire callbacks for matching DOM elements. The binding not only applies to elements that exist in the page at load time but also elements that are added later via Ajax.
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FiveRuns Readies Latest Component of Rails Stack - Installer
FiveRuns, an enterprise Rails company, have built an installer for Ruby and associated packages.
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Ruby Hoedown Presentations available online
Videos of the sessions from the Ruby Hoedown conference are now available online. Topics such as Merb, Ruby tuning, VoIP with Ruby are covered, as well as Smalltalk and Ruby history and much more.