InfoQ Homepage News
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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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Questioning the Retrospective Prime Directive
The 'Retrospective Prime Directive' is commonly used in retrospectives to encourage deep learning without recriminations. But what do you do when you *can't* agree that you "understand and truly believe" that everyone did their best? In this InfoQ article, a group of senior practitioners discusses the benefits and difficulties of using this practice.
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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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Does "Done" Mean "Shippable"?
There has been a lot of discussion on various agile forums and blogs about the difference between 'Done' and 'Shippable'. It might sound like both mean the same, however discussions on the lists and various blogs suggest that these are still widely misunderstood, mis-used terms. Here's a roundup of recommendations about how to handle "Done."
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Visual C++ 2008 Feature Pack Beta Now Downloadable
The Visual C++ 2008 Feature Pack beta is available for download. The Feature Pack extends the VC++ Libraries which come with Visual Studio 2008.
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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.
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Third Party Tools Support For Flex & Flash Development
As interest in the Flex development platform grows, the industry is responding with additional tools support, giving developers options beyond the Adobe Flex Builder IDE.
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Liferay Portal 4.4: CMS upgrades, new content staging, and more integrations
Liferay Portal, a Java-based open source enterprise portal and content management system (CMS), recently released version 4.4. InfoQ spoke with Liferay CTO Michael Young to learn more about this release and about Liferay in general.