Be mindful of the Null Pattern
Null Pattern Last time I blogged about “Learn the Null Pattern“, but I forgot to mention one thing about the Null Pattern. That is you have to be mindful of it. For example foreach(var id in IDList) { var employee…
Category: Design
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Learn the Null Object
Today, I thought I would mention the Null Object design pattern, its an object that provides intelligent do nothing behavior, hiding the details from its collaborators. So what does this mean??? Before I tell you what it means, lets see…
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Learn the Observer Pattern with Event & Delegate
As promised here is the version of observer pattern with Event & Delegate. Personally I am not a big fan of this solution, although it does remove quite a bit of code and show how to use a push model…
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Learn The Observer Pattern
Learn the Observer Pattern: I am starting to write a series of blog post which would be named “Learn {tagline}…..” In these series I would post things about design pattern, programming methodologies, skills etc etc For today, I will start…
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Extract and Override refactoring technique part 2
This is part 2 of Extract and Override refactoring technique. You can find part 1 in my previous post. I am going to show another technique by using Factory Method to break dependency in your code. *WARNING* *WARNING* Before I…
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