In this episode we will take at how we can use the Decorator Pattern in our application.

The decorator pattern is a structural pattern which allows you to attach new or additional actions to an object dynamically. Using the decorator pattern provides a very clean and flexible alternative t...

In this episode we will take at how we can use the Observer Pattern in our application.

This is a follow up episode to Episode 108 where we take another look at this pattern and how we can implement it using either call backs or events. The Observer pattern allows you to define a one-to-ma...

In this episode we will take a look at how we can use the State Pattern in our application.

The State pattern is designed to allow you to create a way to reset or change how an object will act when its state is changed. By utilizing this pattern you can cleanly and easliy setup your applic...

In this episode we will take at how we can use the Observer Pattern in our application.

The Observer pattern allows you to define a one-to-many relationship inside your application where the parent object (the one) has the ability to notify the child objects (the many) of any state change....

In this episode we take a how you can use the Adapter Design Pattern in your applications.

The adapter pattern comes in 2 types, the Class Adapter and the Object Adapter. In this episode we will demo the class adapter but explain the general concepts behind both class and object adapters

In this episode we take a how you can use the Template Design Pattern in your applications.

The Template Design Pattern is perhaps one of the most widely used and useful design pattern. It is used to set up the outline or skeleton of an algorithm, leaving the details to specific implementa...

In this episode we take a how you can use the Strategy Design Pattern in your applications.

We will start off by looking at code which does not utilize this pattern and then take a look at how we can refactor the code base to utilize the Strategy Pattern

Several weeks ago, I showed you how to take a PSD design and convert it into HTML and CSS. Given the popularity of that particular tutorial, I've decid...

I took a few minutes today to talk about something I've been doing with my design work as of late: playing with light to add depth and texture to a design. In this 7 minute and 19 second screencast, I look at layering elements using gradients and the use of white or black as a way to add light or sha...

In this session, Gojko Adzic talks about strategies, challenges and common pitfalls of using Domain-Driven Design for multi-tier distributed applications.

The talk is based on recent discussions on the domaindriven mailing lists and ideas formed during several recent DDD courses organised...

Mike Hadlow starts his talk by summarising the evolution of data access from the early days of using RDO and DAO with Visual Basic, which did not provide a lot of control over the database, to contemporary domain driven approaches. He goes on explaining the different meanings people tend to give to t...

In this interview from OOPSLA 2007, Michael Stal talks about architecture refactoring. He describes what architecture refactoring is, its relationship ...