InfoQ Homepage Architecture & Design Content on InfoQ
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OpenJDK 7 / JDK 7 Milestone 3 Released
A new milestone of the next generation JDK has been released, which includes several new features and enhancements in many functional areas, like garbage collection, NIO and more. This is also the first version where OpenJDK and JDK will have (almost) identical code-bases.
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Atlassian Acquires GreenHopper Adding Agile PM to JIRA
Atlassian announces acquisition of GreenHopper from Pyxis Technologies to add agile development support to JIRA. Also announced, the availability of a new Website, "agile@Atlassian," where the community can share perspectives on agile software development and where Atlassian engineers can explain their techniques and experience.
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Is Sun offering the new G1 Garbage Collector Only with a Paid Support Contract?
Sun's Garbage First garbage collector (nicknamed G1) has been released with Java Update 1.6.0_14 (6u14). Although this low pause, server style collector has been long awaited by the developer's community, at this point Sun allows production usage only to paying customers and this has raised concerns.
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Making 0 Equal 0 in C#
C# does not work well with boxed numerical values. Unlike Visual Basic, the basic numeric comparison operators such as == do not work with boxed types even when both values are the same type. Fortunately with C# 4 you can avoid these problems by using the dynamic keyword.
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"Original Sin" (Would Java be Better Off Without Primitives?)
Gilad Bracha reopens an old debate; can a language be OO and rely on primitive types? He advances an argument that Java fails to be truly OO because "Java’s original sin was not being a pure object oriented language - a language where everything is an object." The core of the post is whether or not Java could be just as efficient without types. Yes.
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Article: Chunk Cloud Computing
In this article, Jimmy Nilsson describes an architectural style that he has observed slowly growing in popularity over the last few years, a style that he calls Chunk Cloud Computing.
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Google Pushes the Web Platform with Chrome 2.0 and Wave
Google has announced two more tools that will help in its mission “to organize the world's information and make it universally accessible and useful”. One of them is version 2.0 of its Chrome browser which aims to facilitate demanding client-side applications and the other one is Wave, a new environment for communication and collaboration on the Web.
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Pattern Matching in .NET 4
Pattern matching may seem like an alien concept to developers who focus on C# and VB style languages, but it shouldn’t be. Ultimately it is just a refinement of the case statement, which itself is a refinement of if-else-if blocks. This piece takes a brief look at that transition and how F#’s pattern matching can be applied to VB and C#.
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Microsoft Has Released “Oslo” May 2009 CTP
Major features of “Oslo” May 2009 CTP are: “Quadrant”, a visual modeling tool, changes of the “M” language specification and the addition of predefined domain models to speed up development.
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How Relevant Are The Fallacies Of Distributed Computing Today?
Tim Bray of Sun Microsystems writes of the Fallacies of Distributed Computing; He observes that despite its profound implications when designing distributed systems, “you don’t often find them coming up in conversations about building big networked systems”.
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How TDD and Pairing Increase Production
"Test-driven Development" and "Pair Programming" are two of the most widely known of agile practices, yet are still largely not being practiced by many agile teams. Often, people will cite being "too busy" to adopt such practices as TDD and pairing; in essence, implying that striving for high code quality will reduce productivity. Mike Hill explains how this logic is seriously flawed.
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Gizmox Releases Visual WebGui 6.4 Preview Version
Gizmox announces the release of a free preview version of its Visual WebGui, version 6.4, product. VWG promises a point-and-click tool for RIA development (DHTML or Silverlight) that requires no HTML, CSS, or XAML coding; and that can be integrated with Photoshop, Expression Blend, and Flash CS.
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Interview: The Well-Grounded Rubyist
This interview talks about David A. Black’s new book, The Well-Grounded Rubyist, and his views on learning Ruby and making the transition from Ruby 1.8.6 to 1.9.1.
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Java Persistence 2.0 Proposed Final Draft
The Java Persistence API version 2.0 has reached the proposed final draft stage. It adds a typesafe API for criteria queries with a corresponding metamodel API, and support for Bean validation.
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Article: Metamodel Oriented Programming
In this article, Jean-Jacques Dubray questions the belief that code and models are two separate worlds. He presents a unified view of Model Driven Engineering, Architecture and Programming models based on a novel approach to specify execution element semantics in DSLs.