Implementing the Asynchronous Programming Model

After the fun I had yesterday building my Yahoo Services Search Proxy (see my previous post) today I decided to see if I could extend my proxy to support the Asynchronous Programming Model. And what is more, I wanted to use the TDD process to do it.  That meant that I would have to stub…

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Confessions of a RESTful newbie

Over the years various people have asked me what I thought about REST as a style for implementing services.  For most of that time I felt that it was something that I didn’t need to know or care about.  However… those days have now come to an end.  Since .NET 3.5 includes support for building…

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Using the Windows Workflow SynchronizationScopeActivity with the ParallelActivity

I my previous post on the ParallelActivity I mentioned that the execution of activities contained in the child SequenceActivity(s) is not what you might expect.  The workflow engine switches among the threads which could lead to undesired results if you need to insure that one sequence completes before another begins. Fortunately the fix is very…

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Meet The Parallel Activity

I’ve been learning a lot about Windows Workflow lately and the main way which I learn is by writing code.  So I’ve written a sample today that deals with the ParallelActivity and is largely based on the much simpler version from chapter 11 Kenn Scribner’s excellent book Microsoft Windows Workflow Foundation Step by Step. Most…

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Today’s Learning: ReplicatorActivity

Did I mention that I’m not the worlds leading expert on Windows Workflow Foundation?  Well if I didn’t please allow me to say it again. Like you I’m just learning a lot of new stuff.  To get my arms around WF I’m reading the book Windows Workflow Foundation Step By Step by Kenn Scribner.  I’ve…

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Time For A Change

Every 2 or 3 years I get the yearning to make a change.  After 2.5 years of doing ARCast and speaking about architecture I’ve decided once again to make a career change.  Starting Feb 8th I will become the primary WCF / WF evangelist at Microsoft. But Ron (you say) – are you an expert…

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