InfoQ Homepage Architecture & Design Content on InfoQ
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Breaking Changes in the .NET ThreadPool
When .NET 2.0 SP 1 was released with .NET 3.5, the thread pool underwent some significant changes. As Michael C. Kennedy discovered, not all were for the best.
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Rails Cells: Component-Oriented Development for Rails
Rails Cells aims to bring component-oriented development to Rails with its lightweight controllers and views that can easily be shared and reused. We caught up with Nick Sutterer, one of the Cells developers, to talk about the state of the project.
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JavaOne: Garbage First
In a JavaOne presentation, Sun Microsystems’ Tony Printezis provided more details on Garbage First, a replacement for the CMS garbage collector particularly targeted at long running server applications.
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Interview: Pete Lacey on REST and Web Services
In this interview, recorded at QCon San Francisco, (then) Burton Group consultant Pete Lacey talks to Stefan Tilkov about the reasons for his disillusionment with SOAP, describes the ideas behind REST, and addresses some of its perceived shortcomings. Finally, he discusses cases where SOAP/WS-* or RESTful HTTP might be more appropriate.
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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.