InfoQ Homepage Architecture & Design Content on InfoQ
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The Dire Consequences of Fixed Price Projects
In a recent newsletter, Scott Ambler looked at why fixed price projects tend to overrun and often fail to solve the business problems they set out to conquer. Scott named the key problems in fixed price projects, identified the bad habits they encourage for customers and developers, and ended with a call to revisit how we fund our IT projects, offering an alternative.
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Scott Ambler on the role of testing & QA in Agile projects
Scott Ambler talks to a testing & QA user group explaining how agile development teams take a test-first approach and work with stakeholders to acceptance test throughout the development lifecycle. Scott argues that software is of significantly higher quality than what traditionalists produce, and tells the group that their long term employment prospects as full time testers are in jeopardy.
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OASIS WS-RM closes
The OASIS WS-RM technical committee has closed. This groups work should not be confused with OASIS WS-RX which is still going forward.
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A Comparison of C# to Java, Updated
In 2001 Dare Obasanjo has written one of the most comprehensive and accurate "Comparison of Microsoft's C# Programming Language to Sun Microsystems' Java Programming Language". Now he has updated his comparison in order to reflect the changes in the current versions of both languages: Microsoft C# 2.0 and Java Standard Edition 6.
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Jeff De Luca, on FDD: Modeling, Code Ownership, Choosing an Agile Method
In an interview with Stefan Roock, Jeff De Luca, who created and documented Feature Driven Development, discussed developing an overall model, code ownership, choosing an agile method, and more.
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Terracotta improves failover support, adds clustering for 5 more frameworks
JVM heap-level clustering solution Terracotta released v2.3 yesterday, adding TCP/IP-based active/passive failover, cluster-membership events, and a new pre-configured module system for quick clustering Tomcat, Weblogic, Spring, Lucene, RIFE, Struts 1, Cglib, and iBatis. Jetty has been working on clustering Ajax cometd apps. RIFE's Geert Bevin is also now working for Terracotta.
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OSGi for application modularity - one company's design choice
Much has been written about the the adoption of OSGi by tools vendors and application servers, but one of the areas OSGi may have the most impact for developers in the future is as a better component model for application development. InfoQ spoke to BPS, an ISV who chose to re-architect their application around OSGi to find out why this one company made the choice.
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Is Scrum Atomic?
An article on the ScrumAlliance website asked what it means to be practicing Scrum and answered that you must be doing all of the Scrum practices for this to be true. Most of the comments left agreed with that sentiment, and a few did not. So, is Scrum indivisible?
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Consensus Reached on Closure Proposals
Neal Gafter has announced a consensus proposal for closures in Java. All but one of the authors of the three biggest closure proposals (BGGA, FCM, CICE) has signed on as supporting the JSR.
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Kent Beck: Be Yourself - Create More Value
Recent discussions on the extremeprogramming list keep returning to "telling the truth". Why do we bite off more than we can chew? Why the overtime heroics? Kent Beck's one-hour talk "Ease at Work" explored how to get off what he called the "genius-shithead rollercoaster" and just be yourself at work. Question: Would you rather spend energy on maintaining an image, or doing more cool stuff?
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Indexes for LINQ
When a LINQ expression directly targets a database, the DLINQ provider has full access to the database's indexes. But LINQ is not only about databases, it can also target XML or even simple object collections. For larger queries, the lack of indexing may become an issue.
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Using Dtrace to Improve Rails Performance
InfoQ investigates how three companies recently collaborated to use DTrace, a powerful open source process introspection tool, to find and fix a substantial Rails latency issue.
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Google SoC Series: ANTLR v3 Ruby Parser
Writing a Ruby parser is a challenging task, yet the XRuby team wrote one from scratch. A Google Summer of Code project will update the current parser to use ANTLR v3, and plans to produce a Ruby parser in Ruby in the process. InfoQ caught up with Wang Haofei to ask about the problems in parsing Ruby and the plans for the project.
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Enter the Internet Service Bus
On April 24th Microsoft released the BizTalk Services CTP, taking the idea of an Enterprise Service Bus (ESB) as as a means of discovering, connecting and federating services a step further and elevating it to the Internet Service Bus (ISB).
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Sun demonstrates WS-AT interoperability with Microsoft
Sun's latest Project Tango release includes WS-AtomicTransaction and WS-Coordination support. They also have demonstrated interoperability .NET 3.0 clients.