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Silverlight is a platform the behaves pretty much like any windows application. This makes sense when you think about where the application is actually running. It is deployed from a website, but doesn’t actually run on the web server. Because Silverlight doesn’t run on the server you should prepare...
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MEF is kind of a dependency injection framework for .Net, I deliberately say “kind of”, because MEF is much more. To get an idea about what MEF does for you, take a look at the code below: 1: using System; 2: using System.ComponentModel.Composition.Hosting; 3: using InterfaceLibrary; 4: using...
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A few days ago Sander, Edwin and I published an article in the dutch .NET magazine on WF 4 and WCF 4. In the article we couldn’t quite talk about the more advanced concepts of Workflow 4. One of them being workflow tracking. It’s an interesting subject, but you simply can’t cover all the new stuff that...
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Introduction When using a named pipe binding for WCF services one may come across errors that denote the very promising “The pipe has ended” with seemlingy random errorcode. These errors can be quite hard to debug as the error message itself is not very descriptive. I’ve come across...
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To be honest a have not spent too much time looking at .Net 4.0 beta 2 yet. But I do keep up with the blogs concerning Parallel Extensions. Josh Philps has just posted an entry about the changes that were made in the Coordination Data Structures (CDS) in Beta 2. The CDS are the types that have been added...
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Introduction Ever since I started using Composite WPF for both WPF and Silverlight, I’ve grown a liking towards Unity as a inversion of control container. It provides a clean way of injecting dependencies into components where I need those dependencies, without having to provide a large amount...
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Introduction Let me start off by saying that in general I don’t like the use of all kinds of weird frameworks in my unit-tests. They tend to make unit-tests more complex and more error prone than one might like in their unit-tests. Rhino mocks however has proven to be a very valuable tool in scenario’s...
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In RIA’s it often happens that you need some kind of drag and drop support. Flex has provided in this support, with it’s DragManager class. This is a class with static methods like StartDrag, you only have to supply a UIComponent, and the DragManager creates a nice transparent image, which...
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This post is about some of the new Flash Builder 4 Data Centric Development features. I'm going to use these features to integrate a Flex 4 front-end, with a .Net back-end. Let's start with the .Net back-end. The .Net Back-end The .Net back-end will be a WCF Service Application. We're going...
Posted to
Alex van Beek
by
Alex van Beek
on
20-08-2009
Filed under:
Filed under: Flex, .Net, Adobe, C#, LINQ, Flash Builder, Data Centric Development, WCF, Flex Builder, Flex 4, Webservices, DCD, Gumbo, Adobe Flex
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Currently I'm working on a tool that is going to migrate titles and other information into website URI's. Now there is something ugly about the URI that causes quite a bit of trouble when converting normal text into an URI. Spaces for example are transformed in to an encoded variant %20. The...
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Over the last few months I have been working on a little project to make Linq ‘come to life’ in two full size posters that developers can hang on the wall of their offices. The Linq posters demonstrates the usage of all Linq operators using visual sequences of female and male figures. Since...
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In my previous post I described how to create a thread safe data cache using PFX. PFX however is scheduled to be released as a part of the .Net framework 4.0 which means we will have to wait a while before we can use this in real world applications. That’s why I created an implementation using...
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Caching objects based on a key is a very common task in software development, making it both thread safe and scalable however is not quite trivial. That's why I implemented a generic implementation of such a cache, to handle the concurrency issues I used the Parallel Extensions to the .NET framework...
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A few weeks ago I was writing a Linq query where I needed each items sequence number (or index) as a part of the filter expression in a Where operation. To simplify the actual problem let's say I needed to filter out only the odd items. One (wrong) way to do this would be: int i = 0; var filtered...
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I has been a while since I wrote a post on parallel programming. Since that time a lot has happend in field of parallel programming. Microsoft has been working hard on implementing the Parallel Extensions for .Net Framewok (PFX) and has now anounced that it will be a core part of the next version of...