InfoQ Homepage LINQ Content on InfoQ
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Brian Beckman and Erik Meijer of MSR on Tesla
The project code-named TESLA in Microsoft Research is being spearheaded by Brian Beckman and Erik Meijer. LINQ is the first released technology aimed at democratizing the Internet coming from Microsoft. From Monoids to LINQ, Brian and Erik provide insight into the future of the .NET Framework languages at Microsoft and how they plan to change the Cloud as we know it today.
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CodeSmith's PLINQO: Replace & Extend LINQ to SQL
CodeSmith released Professional LINQ to Objects, a set of templates to be used with CodeSmith and Visual Studio 2008 that supplement Microsoft's upcoming LINQ to SQL and have many great features including the ability ot generate or update a LINQ to SQL dbml file from a db schema, generation of LINQ to SQL entity manager & entity classes as well as the DataContext class.
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Do You Need a Data Layer?
With LINQ nearing release, the need for a separate data access layer needs to be reevaluated. Is it still an essential part of an application's design? Or has it become an appendix of the past?
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The Curious Nature of Transactions in ADO.NET and LINQ
Transactions in LINQ rely on TransactionScope, a .NET 2.0 class that uses a distinctly non-OO design pattern that relies on gloabls.
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Open Source LINQ to SQL Debugger
Scott Guthrie has posted an article on the LINQ to SQL debugger features along with the source code for the debugger. Among these is the ability to see the raw SQL generated by the query. Equally interesting is the ability to execute the query with one click, the results being displayed in standard grid.
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Presentation: Erik Meijers on Democratizing the Cloud
As the Dutch artist MC Escher once said "Only those who attempt the absurd will achieve the impossible". At Microsoft, Erik Meijers is trying to stretch .NET to cover the Cloud such that developers can incrementally and seamlessly design, develop, and debug complex distributed applications using your favorite existing and unmodified .NET compiler and deploy these applications anywhere.
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CodeSmith 4.1.1 supports Visual Studio 2008 Beta 2
CodeSmith is a template-based code generator that automatically generates high level code (C#, VB.NET, ...). The current release features LINQ to SQL templates and supports Visual Studio 2008 Beta 2.
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Using LINQ to XML Instead of XSLT for Transformations
Transforming XML from one format to another is a common task for many developers. To do this, most of them leave the confines of their general purpose language and make calls to an XSLT library. But what if they didn't have to? With LINQ to XML, it now becomes much easier to manipulate XML using C# and VB. Eric White describes how one can perform XSLT style transformations using C# 3.0.
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Kevin Halverson: How to implement IQueryable
In a two-part series, Kevin Halverson has demonstrated how to create a LINQ provider by implementing the IQueryable and IQueryProvider interfaces. Specifically he uses the Windows Desktop Search as a data source.
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Aaron Erickson on LINQ and i4o
In an interview with InfoQ, Aaron Erickson introduces his new LINQ extension Indexes for Objects (i4o). Indexes for Objects allows for fast lookup against in-memory collections while retaining the LINQ syntax and semantics. He also discusses how expression trees interact with LINQ and how they can be leveraged in other scenarios.
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Edit Expression Trees with MetaLinq
In the current implementation of .NET 3.5, expression trees are immutable. Developers wishing to edit one have to manually build new expressions by copying existing ones. Aaron Erickson's MetaLinq allows developers to side-step this by providing a way to convert expression trees into mutable representations and back again.
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Interview: LINQ Creator Erik Meijer
In this InfoQ interview, LINQ creator Erik Meijer talks about the design and capabilities of LINQ, how to use it, why to use it, how it differs from XQuery, how it addresses ORM, extension methods, EDM, and more.
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C# and VB Continue to Diverge
When VB.NET and C# were first released, they were often thought of as the same language with a different syntax and minor differences. As time goes on, these differences are becoming more pronounced. For example, their treatment of anonymous types is worlds apart.
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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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VS Express Editions Orcas CTP Available
Along with the full version of Visual Studio Orcas in beta, the free versions that make up the Visual Studio Express line are now available.