For those, skilled in Java development, Decorator patterns are nothing new, as they are quite common in Java, i.e. FileInputStream with it’s decorator BufferedInputStream class. The definition says: The Decorator Pattern attaches additional responsibilities to an object dynamically. More theoretical background can be found on Wikipedia.
One of the simplest and most commonly used patterns is definitely strategy pattern. We cannot pass a boring definition, so here you go: The Strategy Pattern defines a family of algorithms, encapsulates each one, and makes them interchangeable. Strategy algorithm vary independently from clients that use it. You will find out that all strategy pattern […]
At work, we are using Google Analytics tool to monitor user behaviour on our web pages. One of the things we really desired in earlier versions and is now finally available is e-commerce transaction logging. This extension uses passed data in many cool ways, creating several impressive reports (e.g. how many times a user visited […]
Even though IBM posted an article regarding OO development in LotusScript back in 2001(!) on their developerWorks web site, I am still amazed as to how many Lotus application developers choose to avoid using custom made classes today.