InfoQ Homepage Architecture & Design Content on InfoQ
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Article: An Approach to Internal Domain-Specific Languages in Java
In this article, Alex Ruiz and Jeff Bay describe Java's suitability as a DSL-producing language, delve into the creation of internal DSLs in Java, walk through an example of a Java-based internal DSL, and give recommendations on writing DSLs in Java.
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Presentation: Anne Thomas Manes on the Business Value of SOA
In this presentation, recorded at QCon, Burton Group research director Anne Thomas Manes talks about how to make the business case for SOA. Her talk covers explaining SOA to non-technical business people, various approaches for selling SOA to management and gaining funding for SOA investments.
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Can Architects Stop Financial Ruin and Market Meltdowns?
The purported fraud by Jerome Kerviel at Société Générale may bring down a major financial institution and may have caused markets to tumble worldwide. Attention has turned to systems intended to prevent fraud and other illegal activities. What role can software architects play in detecting and avoiding fraud and other suspicious behavior?
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Catching Up With the .NET Micro Framework
The .NET Micro Framework is the smallest runtime available within the .NET Framework. Able to run in only 512k of RAM without an MMU it is targeted at 32-bit processors.
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Can DDD be Adequately Implemented Without DI and AOP?
A recent thread on Domain Driven Design (DDD) user group discussed the role of Dependency Injection (DI) and Aspect Oriented Programming (AOP) in DDD implementation. InfoQ spoke with Eric Evans and Ramnivas Laddad about these design concepts and the role of Annotations and orchestrated business services in DDD.
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Continuous Integration And Version Control for Databases
After asserting that one must, as a rule, always version their database work, Scott Allen detailed an approach to making the best of versioning databases. Allen presented a comprehensive, practical approach to creating a baseline, using change scripts to manage schematic revisions, controlling programmatic database objects, and handling branching and merging.
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How to Develop New Activities for the One Laptop Per Child Project?
The One Laptop Per Child project has starting shipping its first generation of XO laptops. OLPC "is not a laptop project, it is an education project", explains Nicholas Negroponte, director of the project. A full Sugar based development environment is available for developers to contribute new activities to the project. Sugar supports collaborative activities when XOs are meshed together.
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Presentation: Erik Meijer on C# 3.0 and LINQ
In this QCon presentation Erik Meijer talks about C# 3.0 and LINQ. He builds upon his theme of democratizing the web while discussing the new language features of C#.
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Communicating Intent through Idiom and Paradigm Selection
What about using idioms and programming conventions as signals to achieve more readability and expressiveness? This is what Reg Braithwaite advocates for, suggesting that syntax or even paradigm choices can be a means to communicate the intent.
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Apache Wicket 1.3.1 Release Supports Transparent Clustering
The Wicket team has announced Wicket 1.3.1, the first maintenance release of Wicket 1.3. 1.3.1 adds transparent clustering support out-of-the-box.
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Digging into the Performance of the ADO.NET Entity Framework
The ADO.NET Team recently discussed various performance aspects of the ADO.NET Entity Framework. The ADO.NET Entity Framework entered its third beta back in December and since that time the team has provided developers with information about using the framework but now they are providing developers with the performance aspects.
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Interview and Book Excerpt: Hani Suleiman & Cedric Beust on TestNG
InfoQ.com recently sat down with Hani Suleiman and Cédric Beust the authors of Next Generation Java Testing: TestNG and Advanced Concepts to discuss the book and their thoughts about testing in general. InfoQ is also pleased to offer an excerpt from chapter 2 of the book, "Mocks and Stubs".
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Using ParseTree for LINQ-style queries and extracting metadata
Whether it's LISP macros or LINQ's expression trees - access to the AST of code is a powerful tool. We look at how ParseTree allows this in Ruby - and how it's being used in libraries like Ambition, Sequel and the web framework Merb.
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Interview: Charles Nutter discusses JRuby
JRuby project lead Charles Nutter discusses how he got involved with JRuby, Sun's involvement with JRuby, how JRuby fits into enterprise-level web applications, the possibility of a friendly fork of the OpenJDK source code, reasons for switching to JRuby, the future of JRuby, Spring and JRuby, and the Ruby community as a whole.
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TDD/BDD Leading To Incomplete Unit Tests?
Peter Ritchie raised concern about TDD and BDD keeping practitioners from writing good unit tests. He cites an over-reliance on “interaction testing", a core mantra and essence of TDD and BDD, as a driver with tendency to result in incomplete unit testing.