InfoQ Homepage Architecture & Design Content on InfoQ
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Interview: Scott Allan on Windows Workflow Foundation
Scott Allan is interviewed by David Totzke on Windows Workflow Foundation, recorded a year ago at VSLive Toronto. Scott talks about the capabilities of Windows Workflow foundation, how it integrates into application development, how Microsoft is using WWF in its own products, DSLs and WWF, and architectural pattterns possible with WWF.
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A Twitter in a Teapot?
Just over a week's gone by and the community is still buzzing with the Rails scalability debate. Developers are asking the defining question: does Web 2.0 darling Twitter.com prove Rails can't scale? James Cox gives InfoQ readers a comprehensive summary.
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Matrix Your Rails Functional Tests
Following the DRY process philosophy and putting into practice separation of concerns, Ryan Davis introduced an interesting way of answering the question: How do you make testing complex specifications with many edge cases clearer? The answer: Matrix!
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Microsoft SOA Reference Model, Initial Draft of the Introductory Chapter
John Evdemon, an architect with the Microsoft Architecture Strategy Team has published an initial draft of the introductory chapter of a Microsoft Abstract SOA Reference Model. According to Evdemon this paper shall serve as an abstract reference for understanding, designing and building software architectures that adhere to service-oriented principles.
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Automatic Parallel Processing, Will It Work?
Larry O'Brien questions the assumption that multi-core processors and languages that can leverage them will necessarily lead to performance gains.
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Article: Adding Properties to Ruby Metaprogramatically
Werner Schuster walks us through a simple example of adding Java-style properties support (declarative getters, setters and change listeners) to Ruby classes via a Mixin by using elements of Ruby meta-programming. Introduces ideas for enhancement using principles of design-by-contract and pluggable type systems.
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APLN Takes on Certification
The Agile Project Leadership Network, unlike the Agile Alliance, has decided to wade into the certification waters. The APLN has decided to take input from the community as it embarks on defining two different levels of Agile Leadership certification.
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WS-TX as an OASIS standard
OASIS approves the Web Services Transactions committee specifications as a new standard and the TC co-chair blogs about its history.
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Spec# Puts an End to Null Reference Exceptions
Version 1 of Spec# has been released. Spec# in a variant of C# that supports design by contract features such as a non-null type system, pre and post conditions, loop invariants, and object invariants.
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WPF/E is Now Silverlight
With much fanfare, Microsoft has announced Silverlight, a new cross-platform, browser independent runtime designed based on XAML and JavaScript with the potential to go head to head with Adobe Flash.
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14 Ruby projects accepted for Google Summer of Code
14 Ruby projects were accepted for the Google Summer of Code bounty program. The projects range from a debugger for Rails, to a project writing an RSpec specification for Ruby, to protocol implementations using EventMachine and Ragel, and more.
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Interview: Ramnivas Laddad on AOP Design, Modelling, and Policy Enforcement
Ramnivas Laddad talks about domain aspects, how aspects fit in the design phase, how to model aspects in UML, how to enforce policies with Aspects, how he used Aspects to diagnose production problems including touch threading problems, and using aspects to simplify design pattern implementation.
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Article: Interview with Restlet creator Jérome Louvel
In this exclusive InfoQ interview, Jérome Louvel talks about Restlet, a Java framework for building Web applications following the REST architectural style. Topics covered include the reason for Restlet's existence, REST support in Web services frameworks and in Ruby on Rails, expectations for JSR 311 and Restlet's roadmap.
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An SOA and Agile Discussion
SOA aims at making the entire enterprise agile by using services as the building blocks for applications. Agile software development aims at making organizations agile by introducing practices that increase communication and feedback. This article brought up a few points of agreement and disagreement between the two techniques and readers have started discussion their points of view.
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Is Type Inference a Good Idea for Java 7?
The Java community has been debating the concept adding type inference to Java 7 the last few weeks. A number of developers have spoke out against such a feature however.