InfoQ Homepage Architecture & Design Content on InfoQ
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Apache Derby Releases 10.3 Beta and Gains Experimental Hot Standby Replication
The Apache Derby project has made a beta available of the upcoming 10.3 release. The 10.3 release includes security enhancements, language-based ordering, other features, bug fixes, and performance enhancements. Egil Sørensen, a student at the Norwegian University of Science and Technology, has also submitted his MS thesis work to add hot standby replication functionality to Derby.
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The Legal Boundaries Of Agile
Adopting Agile practices requires a shift in the organisation on many different levels, but can making such a change lead to serious trouble?
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IBM Announces Info 2.0
IBM announces a new initiative, Info 2.0, to help bring value to Web 2.0. According to IBM: Info 2.0 is a technology (or information fabric layer) for simplified integration of data and content via Information Mashups.
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Article: Dynamic Routing Using Spring and AOP
Vigil Bose shows how a business transaction can trigger business events dynamically for subsystem processing. The examples shown in this article uses Spring framework 2.0 and Spring AOP effectively to decouple the business service from the subsystem processing functionality.
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Innov8: BPM/SOA video game simulator in the works at IBM
IBM has been working on Innov8, a 3D video game SOA/BPM simulator. At the moment only a demo and screen shots are available, and the game is set to be available in September. The game aims to teach an introductory level understanding of BPM enabled by SOA, including the typical steps of a BPM project and real world experiences of IBM's expert BPM practitioners.
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OpenJPA adopted by both IBM and BEA; becomes top-level Apache project
Apache OpenJPA has been gaining momentum in the JEE world, having been adopted by BEA as the EJB3 JPA implementation in WebLogic Server 10 and in the most recent EJB3 Feature Pack for IBM WebSphere Application Server. OpenJPA started its life in BEA's Kodo product, whose code was donated to the ASF in 2006; the project just recently graduated from the Apache Incubator as well.
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Sparse Columns Added to SQL Server 2008
SQL Server 2008 has lifted the limit of 1024 columns per table with a new option called "sparse columns". While this seems like its excessive, some developers have been running up against this limit.
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WS-BPEL4People on its way to OASIS
A group of several vendors suggests a new WS-* spec that goes by the interesting name "WS-BPEL4People". Compared to WS-BPEL which deals with automated business processes, the WS-BPEL4People spec, which has been under works for nearly two years now, aims to add human workflow capabilities to SOA in general and to the recently approved WS-BPEL 2.0 spec specifically.
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InfoQ Interview: Rich Kilmer on the Power of Ruby
Rich Kilmer is one of the Ruby world's great conversationalists and storytellers. In this InfoQ exclusive interview, Rich tells us about using Ruby at DARPA, the research arm of the USA's military, plus how he has leveraged a variety of cutting-edge software and techniques such as Flash, DSLs, OWL and semantic web technologies in conjunction with Ruby.
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Google Scalability Session Report
Dare Obasanjo shared his notes on a session given by Jeff Dean at the Google Conference on Scalability, "MapReduce, BigTable, and Other Distributed System Abstractions for Handling Large Datasets".
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Writing Maintainable Code
Sam Gentile, Oren Eini (aka Ayende), and Frans Bouma have an ongoing debate in the .NET community about how to write maintainable code, which several others have joined. The debate mainly focuses on the question, if Test-Driven-Development (TDD), O/R-Mappers (ORM), Model-View-Presenter/Controller (MVP/MVC), and other best-practices help to improve the maintainability of software.
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Configured Rails software stacks become available
Setting up and configuring servers is tedious work, particularly if a lot of libraries are involved. The Rails community has started looking into solutions for solving this, and the first are now available.
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Presentation: Rod Smith - Mash-ups Meet the Enterprise
In this presentation recorded at JAOO, IBM's Rod Smith discusses the read/write web, and discusses how the approach known as "Mashups" might be used in enterprise scenarios for "do-it-yourself" IT.
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Aaron Erickson on LINQ and i4o
In an interview with InfoQ, Aaron Erickson introduces his new LINQ extension Indexes for Objects (i4o). Indexes for Objects allows for fast lookup against in-memory collections while retaining the LINQ syntax and semantics. He also discusses how expression trees interact with LINQ and how they can be leveraged in other scenarios.
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Will The iPhone Be The Tipping Point For Mobile Ajax?
Ajax has largely been a desktop browser focused technology during its initial wave of interest. Apple's iPhone however may be the key to Ajax becoming a mobile "standard" as well.