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noch viermal schlafen, bis
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Roland Kofler's Blog on Software Engineering on
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Wednesday, 30. January 2008

Usability Zen

A meditation over a funny manual sentence 'Assembly of Japanese bicycle requires great peace of mind' in »Zen and the Art of Motorcycle Maintenance« reminds me of the intend of the original MVC paper by Trygve Reenskaug - the subjective immersion you should feel when operating an application: The test of the machine is the satisfaction it gives you. There isn't any other test. If the machine produces tranquility it's right. If it disturbs you it's wrong until either the machine or your mind is changed. The test of the machine is always your own mind. There isn't any other test - Robert M. Pirsing; Zen and the Art of Motorcycle Maintenance; Chapter 14 By the way, MVC plays the same immersion argument Jeff Bezos brought up for the Kindle design: "books should disappear when they are red"

... link


How Do Committees Invent?

Today we had a debate on Conway's Law. Following my new passion, the chronicle of software development I definitely need to read "How Do Committees Invent?" by Mel Conway. The interesting thought: should software reflect the organizational structure of the client? And since effectively does reflect the organization of the implementor, has in-house software better architecture?

Provocative enough since we know in-house software is not build with care..

Conway - We shall see in detail later that the very act of organizing a design team means that certain design decisions have already been made, explicitly or otherwise. Given any design team organization, there is a class of design alternatives which cannot be effectively pursued by such an organization because the necessary communication paths do not exist. Therefore, there is no such thing as a design group which is both organized and unbiased.

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