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We probably all learned this at school. When you build software, you analyze requirements, find the nouns and build an entity-relationship model , an ERD. You start with the first normal form and normalize the model until you start building software upon it. But when you’re building software in a distributed...
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We’ve had a lot of success applying the principles and practices of the Advanced Distributed Systems Design course into our project and Udi Dahan asked if I could shed some more light on how things played out for us, so here it is. First of all, I wasn’t the only one who worked on this project - credit...
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This is an old article by Ted Neward that I’ve been trying to find for ages, as the original website isn’t online anymore. Until I remember the WayBackMachine and found the original article . As the WayBackMachine doesn’t always remember (or keeps remembering) everything, I’m reposting the article here...
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I’ve written in SDN Magazine about messaging and how it relates to RPC. It isn’t about messaging vs. RPC, but more or less an attempt to explain what benefits messaging can add to your software. Monday April 23rd I gave a presentation about the same subject. With this post I want to show the code so...
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Microsoft Patterns & Practices team has started a journey to CQRS with the idea to create a guidance document to provide developers with a map that will help them find a way with the Command and Query Responsibility Segregation (CQRS) and Event Sourcing (ES) patterns and related techniques. Everything...
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This blogpost is part of a series Template Method Pattern explanation Template Method Pattern example Template Method Pattern advanced So we’ve looked at the Template Method Pattern with an implementation as really simple example, and another real world implementation. We have additional requirements...
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This blogpost is part of a series Template Method Pattern explanation Template Method Pattern example Template Method Pattern advanced So in my previous post I explained how I change the template method pattern a bit with protected abstract methods. In this post I’ll explain why I used this pattern and...
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This blogpost is part of a series Template Method Pattern explanation Template Method Pattern example Template Method Pattern advanced I’ve recently read a post about someone who hated the Template Method Pattern, because its intent wasn’t revealed. When based on the many examples out there, you might...
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When you read a title like this, everything that makes you a developer should start worrying. Because nServiceBus is build on top of the concept of asynchronous messaging. Normally, it does not support the request/reply communication pattern as you would normally understand this pattern. You are able...
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When starting to dig into nServiceBus, you’ll notice almost every single example is executed via the NServiceBus.Host.exe instead of doing it in-process. In my opinion this might be more likely on the receiving side (the subscriber) that just does some stuff in the background. But on the sending side...
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I was just watching Bytes by MSDN where Billy Hollis interviews Ron Jacobs , Sr. Technical Evangelist for the Microsoft Server AppFabric platform. Billy Hollis asked him if it’s a big cliff to start using this awesome power that is AppFabric. Here’s what Ron said: It’s not a big cliff. It’s similar to...
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The Microsoft Enterprise Library has always been one of the most popular things to come out of the patterns & practices team. Yesterday p&p reached a major milestone by releasing version 5.0 of EntLib. The improvements are too numerous to sum up here, but let me mention one: this release has...
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For me this was my first SDC and I really had a lot of fun. Great discussions with speakers and attendees. And as Dennis Doomen mentioned , the evening was pretty fun as well. I did two sessions, on about Test Driven Development, a basic introduction with some best practices. And also a presentation...
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A couple of months ago I received a license for NDepend to evaluate its usefulness. I was already convinced that NDepend is a very useful tool. But up to now, I hadn’t put NDepend to good use in a way that I could blog about it. Today I decided to bite the bullet and put my own pet project FlickrMetadataSynchr...
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There’s an article up at eweek about Oslo , the new initiative by Microsoft in create the tools and a language that’s more accessible to more people than just official developers. You’re supposed to create data and models to build an application, something where the business analyst can already do a...