InfoQ Homepage Architecture & Design Content on InfoQ
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WebDSL: Lessons Learned from Creating a DSL
In this article, Eelco Visser summarizes his approach to design WebDSL, a domain-specific language for developing dynamic web applications with a rich data model with a target architecture based on JBoss's Seam. He discusses paradigms and challenges of Language Engineering while sharing some of the lessons he learned along the way.
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Adopting Simple Design
A discussion about simple design is taking place on the extremeprogramming Yahoo! group that has already resulted in several useful recommendations. The discussion started off with a request for references concerning incremental design and quickly morphed into one about successfully adopting incremental design.
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The Sun Deflextions Continue
In what is becoming an ever more popular move for those working on Java client technologies, Hans Muller, the now former CTO for Sun's Desktop division, made the move from Sun Microsystems to Adobe’s Flex team this week.
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Tuscany SCA Java 1.2 and SDO 1.1 released.
The Apache Tuscany team announced last month the 1.2 release of the Java SCA and 1.1 release of SDO projects. These releases make Tuscany implementation complaint with the main latest SCA specifications, including SCA Assembly Model, SCA Policy framework, SCA Java Common Annotations, SCA EJB, Spring, BPEL and Web Services bindings, etc.
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Open Source Troubleshooting for Java
VisualVM is an OpenJDK project from Sun to create an all-in-one troubleshooting tool for Java applications. The tool is a combination of several existing tools and newer profiling capabilities.
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Presentation: Business Natural Languages Development in Ruby
In this presentation, Jay Fields introduces his concept of Business Natural Languages (BNL). BNLs are a type of Domain Specific Language, designed to be readable by any subject matter expert, which allows to create maintainable specifications and documentation. The example languages are implemented using Ruby.
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Mocking Web Services
Service simulation (mocking) – the ability to mimic service behavior even before they are implemented - enables service consumer developers and testers to parallelize their efforts without having to wait for service implementation to complete. Service simulation also provides a light-weight alternative to building expensive reference environments.
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Should you really learn another language?
Blogger Gustavo Duarte cursed in church when he said that learning new programming languages is often a waste of time. He said that "In reality learning a new language is a gritty business in which most of the effort is spent on low-value tasks with poor return on time invested.". But not everyone agreed.
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Article: Distributed Version Control Systems - a guide
Since Linus Torvalds presentation at Google about git in May 2007, the adoption and interest for Distributed Version Control Systems has been constantly rising. In this article, Sebastien Auvray introduces the concept of Distributed Version Control, see when to use it, why it may be better than what you're currently using, and have a look at three actors in the area: git, Mercurial and Bazaar.
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Presentation: Patterns for securing architectures
Security is about trade-offs you make with your limited resources, often a problem when designing a system or an after-thought. Few have the expertise to design good security and most development teams have no security expert. In this talk, Peter Sommerlad focuses on Security Patterns for designing security in architectures, such as Role-based Access Control, Single Access Point, and Front Door.
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Debate: Should Architecture Rewrite be Avoided?
As it gets more and more difficult to adapt software to new demands, the temptation to rebuild it in order to update the architecture grows stronger. For this risky undertaking it is essential to choose the right strategy. Several authors provide insights into advantages and disadvantages of different possible options in terms of cost, technical complexity and potential commercial risk.
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Seniority, Respect, Authority and an Agile Team
Senior members, who have been working in traditional teams, can face issues related to respect and authority when they come to an Agile team. An interesting discussion on Scrum Development group and Agile India group tries to uncover answers that Agile might have for the situation.
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GemFire 5.5 Adds Continuous Query and Repeatable Read Support
The latest release of GemFire - an in-memory data management product - offers distributed event processing capabilities with the introduction of continuous querying and durable event notifications as well as other new features. InfoQ discussed with Jags Ramnarayan, Chief Architect at GemStone, about these new features and the product's roadmap.
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JNBridgePro 4.0 Introduces New Visual Studio and Eclipse Plug-ins
JNBridge, provider of Java and .NET interoperability tools, announced a new release of its core product, JNBridgePro, at JavaOne 2008.
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The State of Enterprise Architecture
As organizations continue to grow their IT investments (bought, borrowed, or built) and concepts like Business Process Management and Service Oriented Architecture become more common, the role of Enterprise Architecture (EA) has become more common. Recently, several people in the EA community have spoken about its current state.