[Gllug] Web Site Creation

[Doug Winter]

Richard Turner wrote:
> Of course, one of the good things about OOP is that there are so many 
> design patterns out there now often you're problem's solved just by 
> tacking a few patterns together; the hard work has already been done for 
> you so you only have to concentrate on the specifics rather than 
> pondering architectures.

I'm surprised to see this claim - certainly even the most ardent 
patternista I've ever spoken to has never claimed anything quite so 
strident.

Naming things is certainly useful, since it makes them easier to 
discuss, but it doesn't really make them any easier to use.  Having 
lists of patterns is nice because it's a way of capturing architectural 
knowledge that is otherwise difficult to pin down.

However, the hard work is in selecting the appropriate pattern, and no 
pattern language or catalogue can make that decision for you - it's not 
an algorithmic decision, and depends on your understanding of the 
problem in hand, how it might mutate in the future, what the forces at 
play in your project are, your understanding of the deployment 
environment and all sorts of other stuff.  A good software architect and 
a bad one are differentiated by these decisions that they make.

Patterns are not the silver bullet, unfortunately.  In fact I have it on 
quite good authority that there isn't one ;)

doug.

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