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A comment on The Applied Theory of writing bug-free code. Parent comment

Re:The Applied Theory of writing bug-free code by danbmil99 on Sunday October 11, 2009 @01:22AM (#874352)
ok then, in 99.999% of all applications I would claim that shooting for virtually bug-free code is a sure-fire prescription for business failure.

BTW why did Nasa downgrade their redundancy to 2 systems in the Shuttle? I recall reading that during the lunar missions, they had 5 computers on board, all independent implementations of the same spec.

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Re:The Applied Theory of writing bug-free code by clawrencewenham on Sunday October 11, 2009 @01:35AM (#874365)
I understand your hyperbole, but the stress isn't necessary. The market will reveal where it wants quality and where it doesn't.

Also, the Shuttle has always had 2 independently written systems, never five. There are five computers running software written to the same spec, but the physical redundancy wasn't the scope of the article.

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