InfoQ Homepage .NET Content on InfoQ
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The Many Types of Null in F#
F# was supposed to free us of the tyranny of the unchecked null. Alas not only does the compiler lack null checking, it introduces several more kinds of null.
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Wrapping Stored Procedures in .NET Languages
Creating wrapper functions for pre-existing stored procedures is surprisingly difficult in .NET. Stored procedures have certain calling conventions that aren’t generally used in the .NET Framework and many of them are not supported at all. For example, C# doesn’t support optional parameters and neither .NET language supports optional parameters on nullable types.
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QCon San Francisco Nov 18-20 Tracks and Conference Announced
The tracks for the third annual QCon San Francisco (Nov 18-20) have been published and QCon is now open for early registration. Last year's QCon SF survived the downturn in November with over 450 attendees, this year we have reduced the price and are offering special early registration with savings of $800 until June 17th.
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.NET 4 Cancellation Framework
.NET 4 will have new types to support building cancellation-aware applications and libraries. The new CancellationToken, CancellationTokenSource, and cancellation exception types provide a cooperative cancellation framework.
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LINQ to SQL Changes in .NET 4.0
Damien Guard of Microsoft’s Data Programmability has posted a rather long list of the changes to LINQ to SQL. While they are still committed to Entity Framework over the long run, this will do much to alleviate the fear LINQ to SQL will be completely neglected in the mean time.
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Is Google Wave Going to Have an Impact on RIA/Silverlight?
The recently announced Google Wave platform, which is promoting HTML 5, is believed by some to have a major impact on RIA, including Silverlight, while others consider that Wave is actually a competitor for Microsoft’s SharePoint and Exchange rather than RIA. It's poll time.
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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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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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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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Rich Hickey on Clojure's Features and Implementation
In this interview from QCon London 2009, Rich Hickey talks about Clojure. The discussion includes the ideas behind Clojure's STM support, what other concurrency primitives Clojure supports and which ones might get added in the future. Other topics covered are Clojure's AOT support, the role and implementation of multimethods, Clojure ports to other systems and much more.
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Presentation: The Joys and Pains of a Long Lived Codebase
In this presentation recorded at QCon SF 2008, Jeremy D. Miller shares lessons learned while developing a project over 5 years. He talks about his mistakes, what to avoid and how to design, code and test better.
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Article: Grid Computing on the Azure Cloud Computing Platform, Part 3: Running a Grid Application
In this 3-parts series of articles, David Pallmann explains how to perform grid computations on the Azure cloud computing platform. In Part 1 he presented a design pattern for using Azure for grid computing, while in Part 2 he showed how to develop such an application in C#. In this part he is going to explain how to run this application.
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Location-Aware Browsing to become Mainstream?
With the W3C working on a specification that defines an API for providing scripted access to geographical location information, Mozilla recently announced built-in Geolocation support for Firefox 3.5. This is aligned with an earlier announcement from Opera that also adds support for Geolocation in their browser. Will this make geographically aware applications ubiquitous?
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Latest F# Breaks Binary Compatibility
Microsoft has included F# in VS 2010 Beta 1 and has released a corresponding CTP update for VS 2008. The latest binaries, version 1.9.6.16, are not compatible with previous ones, v. 1.9.6.2, meaning all previous code needs to be recompiled.