Category Archives: Technical

Software engineering posts

Concurrent Unit Tests with Service Locator

Posted on November 25, 2015 by

My talk at Microsoft Summit created a nice discussion with some of the participants about writing isolated unit tests when using the Service Locator. It started from the part where I was showing how the AppBoot helps in dependencies management by … Continue reading →

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Crosscutting Concerns

Posted on October 20, 2015 by

The Crosscutting Concerns are the areas in which high-impact mistakes are most often made when designing an application. There are common causes that lead to this and there are common practices that can help to avoid such mistakes. In this post I … Continue reading →

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DRY vs Coupling

Posted on September 30, 2015 by

While reviewing my previous post another great discussion, which may arise from paying attention to your references, came to my mind: Don’t Repeat Yourself (DRY) vs Coupling. Each time you add a new reference it means that you want to … Continue reading →

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Using ReSharper for Assembly References Diagrams

Posted on September 8, 2015 by

A few posts back I talked about how we can use the assembly references to enforce consistency and separation of concerns (here and here are the old posts). I argue there that if we derive from the architecture the assemblies of … Continue reading →

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Localization Concern

Posted on July 28, 2015 by

Localization (also known as internationalization) is one of the concerns that is most of the times overlooked when we design an application. We almost never find it through the requirements, and if we do or if we ask about it, … Continue reading →

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Dependency Inversion and Assemblies References

Posted on June 30, 2015 by

In my last posts I have talked about using assembly references to preserve critical design aspects. In Enforce Consistency with Assemblies References I talk about how we can use references to outline the allowed dependencies in code and how to … Continue reading →

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Enforce Consistency with Assembly References

Posted on June 9, 2015 by

In this post I’ll describe some key aspects that I consider when designing the assemblies that build a system. When we structure our code into assemblies (generally named binaries, libraries or packages in other platforms than .NET) we are reasoning about three main … Continue reading →

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Unit Testing on Top of Entity Framework DbContext

Posted on May 12, 2015 by

When writing unit tests one of the challenges is to isolate your tests from everything. To isolate them from the code that is not in their target and also from the other tests. As Roy Osherove puts it in his … Continue reading →

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Repository Implementations

Posted on April 21, 2015 by

In my previous post I have presented a way to separate your data access from the business logic, when a relational database is used. I have shown another implementation of the well-known Repository pattern. Since Martin Fowler described it in … Continue reading →

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Separating Data Access Concern

Posted on March 31, 2015 by

In our days most of the applications that have a relational database as storage, use an ORM to access the data. The ORM (Entity Framework, Hibernate, etc.) does most of the data access implementation. Many of them have a modern … Continue reading →

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