LINQ in Action - THE LINQ book

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• Ad-Hoc String Concatenation using LINQ

  I regularly use functional programming and LINQ in two contexts – when writing code that is part of an example or tool that will potentially execute millions of times, and when writing ad-hoc queries. These days, I use C# and LINQ as my ‘scripting language’, Read More... Posted Wednesday, March 10, 2010 7:14 AM from Eric White's Blog : LINQ | (Comments Off) Filed under: LINQ, Functional Programming, C#

• Convert XDocument to XmlDocument (and Convert XmlDocument to XDocument)

  Some time ago, I blogged about an approach for converting an XElement object to an XmlNode object , and vice versa. This is useful when you want to use a programming interface that takes and returns objects of type XmlNode, but you want to use the expressiveness Read More... Posted Friday, March 05, 2010 6:49 AM from Eric White's Blog : LINQ | (Comments Off) Filed under: LINQ, xml, LINQ to XML

• Rollup Extension Method: Create Running Totals using LINQ to Objects

  Recently, I had need for a new extension method for IEnumerable<T>, which I call "Rollup". This extension method is sort of a cross between the Select and Aggregate extension methods. Like Select, when using this extension method you write a lambda Read More... Posted Monday, February 15, 2010 9:53 AM from Eric White's Blog : LINQ | (Comments Off) Filed under: LINQ, LINQ to XML, Functional Programming, C#

• Windows Azure and Cloud Computing Posts for 1/25/2010+

  Windows Azure, SQL Azure Database and related cloud computing topics now appear in this weekly series.   Note: This post is updated daily or more frequently, depending on the availability of new articles in the following sections: Azure Blob, Table Read More... Posted Monday, January 25, 2010 11:08 AM from OakLeaf Systems | (Comments Off) Filed under: LINQ, Azure, Azure Services Platform, SDS, Windows Azure, Cloud Computing, Amazon Web Services, Amazon EC2, Azure Table Services, Azure Storage Services, .NET Services, Azure Queue Services, Azure Blob Services, SQL Azure, SQL Azure Database, SADB, Cloud Computing Security, Windows Azure Platform, Ripley Project, Volta, Rx, Volta Project, Cloud Service Pricing, Windows AppFabric

• Volta Redux by Erik Meijer’s Cloud Data Programmability Team and Reactive Extensions for .NET (Rx)

  Volta began life in 2007 as a Microsoft Live Labs’ incubator project from the Tesla group with two primary objectives: Declarative refactoring from single-tier to multi-tier applications Recompilation of MSIL code to JavaScript Following are earlier references Read More... Posted Sunday, January 24, 2010 11:58 AM from OakLeaf Systems | (Comments Off) Filed under: LINQ, Azure, Windows Azure, Cloud Computing, SQL Azure, SQL Azure Database, Ripley Project, Volta, Rx, Cloud Programmability, Cloud Data Programmability, Microsoft Research, Volta Project, IObservable, Reactive Framework

• Writing Entity References using LINQ to XML

  I need to write out some XHtml, and in several places, I want that XHtml to contain entities references. However, you can't simply write the entitle reference like this: XElement p = new XElement ( "p" , "  Hello" ); Console .WriteLine(p); Read More... Posted Thursday, January 21, 2010 8:35 AM from Eric White's Blog : LINQ | (Comments Off) Filed under: LINQ, xml, LINQ to XML, Functional Programming

• Windows Azure and Cloud Computing Posts for 10/26/2009+

  Windows Azure, SQL Azure Database and related cloud computing topics now appear in this weekly series. ••• Update 10/31 and 11/1/2009: Soyatec: Windows Azure SDK for Java ; Gunnar Peterson: Thinking Person’s Guide to the Cloud (Parts 1 – 4) ; • • Update Read More... Posted Saturday, October 31, 2009 12:48 PM from OakLeaf Systems | (Comments Off) Filed under: LINQ, LINQ to SQL, Entity Framework, LINQ to Entities, Azure, Azure Services Platform, SDS, Azure Table Storage Services, Windows Azure, Azure Data Services, Cloud Computing, Amazon Web Services, Azure Table Services, Azure Storage Services, Microsoft Azure, .NET Services, Azure Queue Services, Azure Blob Services, SQL Azure, SQL Azure Database, SADB, PHPAzure, PDC 2009, HealthVault, PHP, Relational Database Services, PDC09, FathomDB, Java, Cloud Computing Security, WindowsAzure4j, Cisco Systems, RDS, AWS RDS, IBM DB2, AWS, Amazon, RackSpace, Windows Azure Platform, Eclipse

• LINQ and Entity Framework Posts for 10/19/2009+

  Note: This post is updated weekly or more frequently, depending on the availability of new articles. Entity Framework and Entity Data Model (EF/EDM) Julie Lerman created a Screencast – What’s new in the Entity Data Model Designer in VS2010 and posted Read More... Posted Sunday, October 25, 2009 1:38 PM from OakLeaf Systems | (Comments Off) Filed under: LINQ, EDM, LINQ to XML, SharePoint, LINQ to SQL, Astoria, Entity Data Model, Entity Framework, Astoria Project, ADO.NET Data Services, Entity Framework v2, LINQ to Objects, SharePoint 2010

• OakLeaf Blog Joins Technorati’s “Top 100 InfoTech” List

  Despite the lowly 38 authority reported for several days by the Technorati widget to the left, a visit to the OakLeaf Systems Site Details page on 10/24/2009 reveals Techorati Authority: 511 and membership in the TOP 100 INFOTECH group for the OakLeaf Read More... Posted Saturday, October 24, 2009 11:15 AM from OakLeaf Systems | (Comments Off) Filed under: LINQ, Astoria, Entity Framework, Astoria Project, ADO.NET Data Services, Azure, Windows Azure, Cloud Computing, SQL Azure, SQL Azure Database, Technorati, Top 100 InfoTech, Window Azure Platform

• LINQ and Entity Framework Posts for 9/21/2009+

  Note: This post is updated weekly or more frequently, depending on the availability of new articles. Entity Framework and Entity Data Model (EF/EDM) Nikolaos Kantzelis dives into ASP.NET 4.0,SEO and meta tags in this 9/27/2009 post: I am thinking to create Read More... Posted Sunday, September 27, 2009 10:34 AM from OakLeaf Systems | (Comments Off) Filed under: LINQ, EDM, LINQ to XML, LINQ to SQL, Entity Data Model, Entity Framework, LINQ to Entities, ASP.NET Dynamic Data, Entity SQL, Entity Framework v2, LINQ to Objects

• LINQ and Entity Framework Posts for 9/7/2009+

  Note: This post is updated daily or more frequently, depending on the availability of new articles. Entity Framework and Entity Data Model (EF/EDM) Julie Lerman warns Take Caution with WinForms DataGridView RowPrePaint in this 10/9/2009 post: The DataGridView’s Read More... Posted Wednesday, September 16, 2009 12:56 PM from OakLeaf Systems | (Comments Off) Filed under: LINQ, EDM, LINQ to SQL, Astoria, Entity Data Model, Entity Framework, LINQ to Entities, Astoria Project, ADO.NET Data Services, Entity Framework v2, LINQ to Objects

• LINQ and Entity Framework Posts for 8/24/2009+

  Note: This post is updated daily or more frequently, depending on the availability of new articles. Entity Framework and Entity Data Model (EF/EDM) Julie Lerman ’s Follow up on last week’s Entity Framework Tips & Tricks webcast post of 9/3/2009 says: Read More... Posted Sunday, September 06, 2009 12:40 PM from OakLeaf Systems | (Comments Off) Filed under: LINQ, EDM, LINQ to SQL, Astoria, Entity Data Model, Entity Framework, Astoria Project, ADO.NET Data Services, LINQ to Objects, Silverlight 3, ADO.NET

• DescendantsAndSelfTrimmed LINQ to XML Axis Method

  [Blog Map] There are some circumstances where I need a variation on the DescendantsAndSelf axis method that allows me to specify that specific elements (and the descendants of those elements) are ‘trimmed’ from the returned collection. One of the things Read More... Posted Wednesday, August 19, 2009 12:01 PM from Eric White's Blog : LINQ | (Comments Off) Filed under: LINQ, xml, LINQ to XML, Useful Code Snippets, Functional Programming

• LINQ and Entity Framework Posts for 8/10/2009+

  Note: This post is updated weekly or more frequently, depending on the availability of new articles. Entity Framework and Entity Data Model (EF/EDM) Julie Lerman explains EF Table Splitting – The Opposite of Entity Splitting with EF4 (EFv2) beta 1 in Read More... Posted Tuesday, August 11, 2009 2:44 PM from OakLeaf Systems | (Comments Off) Filed under: LINQ, EDM, LINQ to SQL, Astoria, Entity Data Model, Entity Framework, Astoria Project, ASP.NET Dynamic Data, ADO.NET Data Services, Entity Framework v2, LINQ to Objects, PLINQ

• LINQ and Entity Framework Posts for 8/3/2009+

  Note: This post is updated weekly or more frequently, depending on the availability of new articles. Entity Framework and Entity Data Model (EF/EDM) Alex James delivers Tip 30 – How to use a custom database function on 8/6/2009. Syed Mehroz Alam finds Read More... Posted Saturday, August 08, 2009 11:18 AM from OakLeaf Systems | (Comments Off) Filed under: LINQ, EDM, LINQ to SQL, Astoria, Entity Data Model, Entity Framework, Astoria Project, ADO.NET Data Services, Entity Framework v2, ADO.NET, Plinqo