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The really Bad Thing about not thinking about the application, is that every time you add something, something else will inevitably break.

Until recently, this has been predominant view: If you don't Plan Ahead, things will break later.

Extreme Programming offers a novel counter proposal: If you only think one step ahead, and at the end of each step you have a well-tested, well-factored system, then the chances of your breaking something on the next, not-yet-thought-of step are reduced to near zero. Well-factored implies good structure, with things done "once and only once". Then means that many decisions are well localized. A well localized decision is much easier to safely change or replace than once that's becomes spread out over time.


In reply to Re: (redmist) Re: Benefits of the Specification by dws
in thread Benefits of the Specification by Lexicon

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    [GotToBTru]: I
    [GotToBTru]: ve been looking at a document we have been sending to a customer for years now
    [MidLifeXis]: We don't, at least in this case ;-)
    [GotToBTru]: and it includes a reference number that I didnt recognize
    [GotToBTru]: I had to dig into the code to find out where it came from .. and it makes no sense
    [GotToBTru]: so I emailed my contact asking if we could just stop sending it .. I'm afraid she is going to ask "what is that anyway?"
    [MidLifeXis]: heh.
    [MidLifeXis]: Most likely it is a code that some undocumented system, hidden behind layers of IT, deep in the bowels of the building under the machine room floor, reads that code to keep a presence switch from going off. :-b

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