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Design Patterns (RSS)

Sunday, January 21, 2007 10:02 PM

Design Patterns – The Façade

The façade is, perhaps, the second most commonly implemented design pattern. Just like the Bridge (probably the most widely used pattern of all, and certainly the most fundamental) it is usually implemented without a conscious decision having been made.
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Sunday, January 14, 2007 12:24 PM

Design Patterns - The Mediator

What is a mediator and how do I use it? The mediator describes one solution to a key issue that we all encounter whenever we try to design a new class. How to deal with situations where one object has to respond to changes in, or control the behavior
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Sunday, January 07, 2007 12:25 PM

Design Patterns - Adapters and Wrappers

What is an adapter and how do I use it? The adapter, as its name implies, describes a solution to the problem of making two disparate interfaces compatible by acting as a translation mechanism between them. How do I recognize where I need an adapter?
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Sunday, December 31, 2006 12:25 PM

Design Patterns – The Decorator

The decorator describes a solution to the problem of adding functionality to an object without actually changing any of the code in that object. How do I recognize where I need a decorator? The formal definition of the strategy, as given by “Design
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Sunday, December 24, 2006 3:23 PM

Design Patterns - The Chain of Responsibility

What is a chain of responsibility and how do I use it? In my last entry I stated that a strategy pattern described one solution to the problem of dealing with alternative implementations at run time. The Chain of Responsibility describes another pattern
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Monday, December 18, 2006 1:43 AM

Design Patterns - The Strategy

What is a strategy and how do I use it? The strategy describes one solution to the main problem inherent in writing generic code - how to deal with unforeseen demands for changes in implementation. How do I recognize where I need a strategy?  The
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Sunday, December 10, 2006 2:26 PM

Design Patterns - The BRIDGE

As promised, I am starting a little series on Design Patterns, the first one to look at is the “Bridge” – ofter referred to as the “mother of all design patterns” because it is the most basic of all patterns and you will discover, as you become more familiar
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Saturday, December 02, 2006 12:30 PM

Introduction to Design Patterns

It’s been a while! It’s been a while since I have had the time to update my blog and there are several reasons for that, not least of which has been the good one that I have been extremely busy, professionally, working on a number of very interesting
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