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3 Articles match "Article","LINQ"
| Related DevelopMentor Courses | MORE | | Understanding Map - Reduce In fact you could easily rewrite this into a LINQ query like this: 1: private static IEnumerable Map(IEnumerable orders). And in fact that is all there is to a Map process, it is just a LINQ select clause. So just as with the Map process we could easily rewrite this as a LINQ group by query like this: 1: private static IEnumerable Reduce(IEnumerable input). So where the Map process is just a LINQ select the Reduce process is just a LINQ group by with the additional collection that the input type is also the output type. Simple right? Again pretty simple right? The Problem Solver - Monday, December 3, 2012 Screening C# Candidates: Let’s Play 20 Questions! What keyword would you use to define an inline variable in a LINQ query? If a person has ever bothered to read a book or technical article or taken a training course, their answers will set them apart from the crowd of folks who don’t make time for ongoing professional development. What keyword would you use to define an inline variable in a LINQ query? Over the past year I was involved in the process of interviewing candidates for both mid and senior level developer positions. Furthermore, I’m looking for a developer with a thirst for knowledge. > reference 2. DevelopMentor Courses - Tuesday, February 28, 2012 Maurice de Beijer: Understanding Map - Reduce In fact you could easily rewrite this into a LINQ query like this: 1: private static IEnumerable Map(IEnumerable orders). And in fact that is all there is to a Map process, it is just a LINQ select clause. So just as with the Map process we could easily rewrite this as a LINQ group by query like this: 1: private static IEnumerable Reduce(IEnumerable input). So where the Map process is just a LINQ select the Reduce process is just a LINQ group by with the additional collection that the input type is also the output type. Simple right? Again pretty simple right? DevelopMentor Courses - Monday, December 3, 2012 |
16 Articles match "Article","LINQ"
| The Latest from DevelopMentor | MORE | | Optimistic concurrency in MongoDB using.NET and C# 'This article demonstrates a technique and supporting library for adding optimistic concurrency control to NoSQL databases and MongoDB in particular. At the end of this article is a simple C# class (data context) which has save and delete methods which internally are safe via optimistic concurrency control. All you do is call save and access entities via LINQ queries. Quickly, what is optimistic concurrency control? Ideally, all databases that allow concurrent access or disconnected access need to implement some form of concurrency control. Edit in memory. Nice huh? Michael C. Kennedy's Weblog - Monday, April 8, 2013 Understanding Map - Reduce In fact you could easily rewrite this into a LINQ query like this: 1: private static IEnumerable Map(IEnumerable orders). And in fact that is all there is to a Map process, it is just a LINQ select clause. So just as with the Map process we could easily rewrite this as a LINQ group by query like this: 1: private static IEnumerable Reduce(IEnumerable input). So where the Map process is just a LINQ select the Reduce process is just a LINQ group by with the additional collection that the input type is also the output type. Simple right? Again pretty simple right? The Problem Solver - Monday, December 3, 2012 Understanding Map - Reduce In fact you could easily rewrite this into a LINQ query like this: 1: private static IEnumerable Map(IEnumerable orders). And in fact that is all there is to a Map process, it is just a LINQ select clause. So just as with the Map process we could easily rewrite this as a LINQ group by query like this: 1: private static IEnumerable Reduce(IEnumerable input). So where the Map process is just a LINQ select the Reduce process is just a LINQ group by with the additional collection that the input type is also the output type. Simple right? Again pretty simple right? The Problem Solver - Monday, December 3, 2012 | -
| The Best from DevelopMentor | MORE | - The NoSQL Movement, LINQ, and MongoDB - Oh My!
Interact with the database using LINQ. Shortly we’ll look at an example where we build out a disconnected, offline RSS reader that uses MongoDB and LINQ to store its data. You have several options when choosing how to access MongoDB from.NET but generally that means using LINQ and a light-weight object-mapper on top of MongoDB itself. Then we’d use LINQ to SQL or Entity Framework to generate the ORM classes. We begin by generating the objects (Blog, RssEntry, etc) in memory and then serializing them via NoRM to MongoDB much as you would in LINQ to SQL. Ok, ok. Michael C. Kennedy's Weblog - Thursday, April 22, 2010 - MongoDB vs. SQL Server 2008 Performance Showdown
This article is a follow up one I wrote last week entitled “The NoSQL Movement, LINQ, and MongoDB – Oh My!”. In that article I introduced the NoSQL movement, MongoDB, and showed you how to program against it in.NET … Continue reading → NoSQL Articles Visual Studio Michael C. Kennedy's Weblog - Thursday, April 29, 2010 - MongoDB vs. SQL Server 2008 Performance Showdown
This article is a follow up one I wrote last week entitled “The NoSQL Movement, LINQ, and MongoDB - Oh My!”. In that article I introduced the NoSQL movement, MongoDB, and showed you how to program against it in.NET using LINQ and NoRM. For ease-of-use, you’ll have to want to read the original article. This article is about the performance argument for MongoDB over SQL Server (or MySql or Oracle). In the first article, I threw out a potentially controversial graph showing MongoDB performing 100 *times* better than SQL Server for inserts. Thanks! Michael C. Kennedy's Weblog - Thursday, April 29, 2010 - Article: Azure Storage
I recently wrote an article for DevelopMentor's Developments newsletter entitled Azure Storage. Listen to this article as a podcast: Azure-Storage-Article-Kennedy.mp3 ]. In this article, we will cover just the basics of the three storage services of Windows Azure. Because we are using ADO.NET Data Services, querying can be done via LINQ as in "from c in svc.Contributors select c.Name". Read it at the DevelopMentor website here: [link]. I've republished here for my readers. Enjoy! Developments: Azure Storage. by Michael Kennedy. Enter Azure Storage. Listing 3. Michael C. Kennedy's Weblog - Wednesday, April 8, 2009 - 11 Killer Open Source Projects I Found with NuGet
NoRM at [link] LINQ, NoSQL and MongoDB , what more could you want? Articles ASP.NET NoSQL Open Source Tools Visual StudioSo maybe I'm late to the party, but I recently started playing with NuGet. It's a killer new way to find, install, maintain, and manage references to open source libraries in Visual Studio 2010. Plenty of people have written about it ( Phil Haack and Scott Hanselman for example). Let's just say you should learn about NuGet if you don't know it already. RazorEngine at [link]. RazorEngine is templating engine built upon Microsoft's Razor parsing technology. Enjoy! Michael C. Kennedy's Weblog - Wednesday, January 19, 2011 - Understanding Map - Reduce
In fact you could easily rewrite this into a LINQ query like this: 1: private static IEnumerable Map(IEnumerable orders). And in fact that is all there is to a Map process, it is just a LINQ select clause. So just as with the Map process we could easily rewrite this as a LINQ group by query like this: 1: private static IEnumerable Reduce(IEnumerable input). So where the Map process is just a LINQ select the Reduce process is just a LINQ group by with the additional collection that the input type is also the output type. Simple right? Again pretty simple right? The Problem Solver - Monday, December 3, 2012 - Peeling Back the Onion Architecture
Download the code for this article. classic example is Microsoft’s data access stack, which tends to change every few years (remember the demise of LINQ to SQL?). If, for example, the data access layer is represented by a number of repository interfaces, you can swap out LINQ to SQL with Entity Framework or NHibernate (or your favorite ORM) without breaking other parts of the application. recently started a consulting project as an architect on an ASP.NET MVC application and quickly found myself immersed in the world of N* open source tools. The Web.Ui Enjoy. Tony and Zuzana's World - Saturday, October 8, 2011 %>
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