InfoQ Homepage News
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The Dark Side of Closures
Closures are not a new concept and in LINQ have proven to be incredibly useful. But they do have a dark side when used to break encapsulation. When two seemingly independent functions are tied together, unexpected results can occur.
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RSF released with support for DWR-style Ajax
The Reasonable Server Faces (RSF) project recently released version 0.7.2. RSF is a web framework based on Spring and covering much of the same ground as JSF. RSF advocates zero server state designs.
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Is Pipelined Continous Integration a Good Idea?
Sometimes, when the team and/or code-base get large, the CI server starts to slow down. The cycle between builds grows and the feedback degrades – a build may take an hour or more to respond with a pass/fail, and by that time several people may have checked in their code into an already broken build. To address this issue, many teams “pipeline” their CI - but is this a good strategy?
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Without a Defined Process, How Will We Know Who To Blame?
"A fundamental premise of the 'train-wreck' approach to management is that the primary cause of problems is 'dereliction of duty'" said Peter Scholtes in his 2003 book on leadership. Mary Poppendieck's recent article on process, people and systems asked: "Which is more important - process or people?" and showed how Lean is an alternative to certified process improvement programs like ISO 9000.
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Getting started with Rubinius development
Rubinius is quickly gathering interest and is coming close to full Ruby support. We take a look at Rubinius development, what to check out and where to start.
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Windows Presentation Foundation Unleashed - Review and Sample Chapter
WPF Unleashed by Adam Nathan has been leading the Amazon charts in positive reviews, so we thought we would take it for a spin. Turns out, the book lives up to the hype. In addition, InfoQ was able to obtain the most important chapter of the book. Chapter 3 includes coverage of WPF's property and event system, a system that is unlike anything else on the Windows platform.
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Apache Tuscany Released as First 1.0 SCA Implementation
The the Apache Software Foundation has released the first 1.0 implementation of the Service Component Architecture (SCA), Apache Tuscany 1.0. SCA is a set of specifications aimed at simplifying SOA Application Development which are being standardized at OASIS as part of Open Composite Services Architecture (Open CSA).
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The ASP.NET AJAX Control Toolkit Has Been Updated
The AJAX Control Toolkit for ASP.NET 2.0 has been updated. Nothing new was added, but the bug fixes are sure to be welcome. In related news, a VS 2008 Beta 2 compatible version was also released with a couple of interesting features. And in case you did not know, they are now accepting patches.
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Halo 3 Site Demonstrates Flaws in SilverLight
With all the buzz about Halo 3, Microsoft couldn't help but to use it as an excuse to make users download SilverLight. But like Flash, it has some serious flaws.
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Technology-agnostic approach to Service Oriented Architecture: back to the essence of SOA?
SOA is often understood in terms of technical tools and software solutions. Dan North believes that this may prevent architects from focusing on its essence: thorough mapping and modeling of core business processes. He shows how to design SOA in a "technology-agnostic" way so that business can play an important role in identifying SOA requirements without being constrained by technical decisions.
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Behind Microsoft's Astoria REST Framework
In Microsoft's Architecture Journal issue 13, Pablo Castro talked about several key features of the Microsoft’s REST Framework – Astoria.
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LiquiBase adds Diff, Eclipse Plugin, Support for Additional Databases
LiquiBase, the database refactoring/migration tool, has had a busy year. Building on the momentum of the 1.0 release LiquiBase added two more minor releases and some point releases, adding support for database diffs, an Eclipse plugin and support for additional databases.
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Selenium Grid: Web Testing in Parallel
Pervasive user-interface/acceptance testing can be a drag on test and therefore build speed. Selenium Grid offers the ability to run Selenium tests in parallel on one machine or on a farm of machines in a reliable, easy-to-use way. InfoQ speaks with the Selenium Grid team.
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Interview: Steve Jones on "Business-driven SOA"
In this interview, recorded at QCon London, Stefan Tilkov talks to Cap Gemini's Steve Jones about his concept of a business service architecture. Topics covered include how to apply SOA to existing systems, the problems one runs into when SOA is driven by technology, and the structural and organizational impact of business-driven SOA.
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Abstracting Data Query in Ruby with Ambition Ambition
The .NET community is familiar with the general purpose query facilities added to the .NET Framework by the project LINQ. Ruby was missing such an abstraction layer. Chris Wanstrath brings his own solution: Ambition.