I am Paul Wilson; Mere Complexities Limited, sells my consulting, coaching, and coding services. I am passionate about Agile, particularly Test Driven Development.


Architects, architects, upfront design, and all that

From Christopher Alexander's pattern language website.
Normally what happens when you build a house, for example, is that an architect, tries more or less or understand what you want and makes a blueprint. But a blueprint and CAD designs are mostly guess work about what is going to be just right for the dimension of a room or the placement of a window. It's like tossing thirty coins all at once and hoping they all land on heads. Never works. A sequence is figuring out which decision has to come first and getting it right and then moving to a second decision. Like tossing one coin at a time, which is actually a much better, faster, and less expensive way to get to thirty coins all on heads. But if you work from a blueprint you are stuck with your guesses and the builders, who aren't the architect, just have to follow the blueprint, even when they know a much better solution. It's a silly way to do things.

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