InfoQ Homepage Architecture & Design Content on InfoQ
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Martin Fowler unveils details of his upcoming DSL book
Martin Fowler unveiled some details about his upcoming book on DSLs through his Work In Progress gateway. In the draft of its introductory part, Fowler gives an example of a Domain Specific Language case and provides some new insights on DSLs, their implementation and use.
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OASIS Composability Within SOA Symposium
OASIS announces a 2008 symposium on Composability within SOA to address the technical and business facets therein. The symposium will be an opportunity for researchers and business users to discuss challenges, best practices and experiences.
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Article: Iterative, Automated and Continuous Performance
A new InfoQ article looks at evaluating performance in an iterative and continuous manner.
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Communicating with Business Using FIT and FitNesse
Although both FIT and FitNesse are used for performing integration and acceptance testing on agile projects, people have tried to use these for general-purpose testing, with mixed results. Others have suggested that FIT should be used for tests where communicating with the business, or with a customer, is of paramount importance. Naresh Jain and James Shore have shared their experiences.
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Borrowing Functional APIs from F#
The Common Language Specification ensures that any conforming .NET language can access libraries created by any other language. This means imperative languages like VB and C# can call functional libraries created primarily for F#. In fact, many can be converted directly into C# code.
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Reducing Server Load and Network Traffic in REST/Ajax Architectures
A short article on developerWorks shows us how to reduce network traffic and server processing for Ajax/REST architectures, but the real jewel here is the way they effectively use the HTTP 304 status code instead of recommending more complicated solutions.
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Test Driven Development or Test Driven Requirements?
Where does one start when practicing test driven development? With the requirements or with the design? Or, put another way, top-down or bottom-up? When one starts to write a test first, without any code, what does that test represent? Both approaches are practiced in the Agile community, but there is little consensus on which provides more value.
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Open Source Java Turns One
This month marks a year since Sun announced the open sourcing of Java SE. InfoQ looks at the events that resulted.
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Anatomy of Service Delivery Platforms
In this article, Fred Chong and his colleagues detail the architecture of modern Service Delivery Platforms and how they could be leveraged by Solution Vendors. They review their capabilities from security & identity, to metering & billing, on-boarding of application tenants & provisioning... and develop guiding principles for the evolution of this new type of infrastructure software.
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Unified Rules Engine and Processes
Mark Proctor, the JBoss Drools Project Lead, and Kris Verlaenen the Ruleflow lead present their vision for unifying rules and processes to provide a truly unified modeling environment with rules and processes as first class citizens, tightly integrated modeling GUIs, single unified engine and apis for compilation/building, deployment and runtime execution.
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Article: What's New in Spring 2.5: Part 1: Annotation-Based Configuration
Spring 2.5 was released on November 19th, 2007 and with it, the first article in a series Mark Fisher of SpringSource (Interface21) about the annotation-based configuration options available in Spring 2.5: annotation support for dependency injection, auto-detection of Spring components on the classpath and lifecycle methods.
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Dalvik, Android's virtual machine, generates significant debate
With the release of Google's Android SDK earlier this week, there was much discussion of the APIs and the expected impact in the mobile space. However, one particular area which generated significant debate in the Java community was the Dalvik virtual machine which is the basis of the Android platform.
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Introducing Farseer - An Open Source Physics Engine for Silverlight and XNA
In the modern push for showier and more interactive interfaces, it is inevitable that real-time animation is asked for from time to time. When this animation involves objects on the screen bouncing off each-other or being affected by gravity, a physics engine is a must. The Farseer Physics Engine addresses this need. We interviewed Jeff Weber, designer of Farseer.
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Presentations from the last Microsoft SOA & BP 2007 conference available
Microsoft has made available all the presentations from its last SOA and Business Process conference.
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Qi4j introduces Composite Oriented Programming
"Classes are dead, long live interfaces" was declared by Rickard Oberg at Oredev this week where he announced Qi4j. Qi4j brings the new idea of Composite Oriented Programing, in which is no behaviour at all is put in a class, instead the class becomes a 'composite' of mixins and interfaces declared on the class via annotations.