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Lubarsky's Law of Cybernetic Entomology:
There is always one more bug.
Matt's First Law of User Interaction:
What's obvious to the programmer will not be to the user.
First Corollary to MFLoUI:
You haven't made it obvious enough.
Second Corollary to MFLoUI:
The program's testers will ask the dumbest questions you can possibly think of.
Matt's Second Law of User Interaction:
Users are evil incarnate. They will break your code, overrun your buffers, circumvent your error checks, and make it your fault.
Corollary to MSLoUI:
Test your program with tame users first.
Matt's Third Law of User Interaction:
Users will not be happy with your program unless they can make it behave like the program it replaced.
Corollary to MTLoUI:
Every interactive program should admit, support, or include vi-like movement keys.
Matt's Axiom:
The maximum amount of fun you can have writing code is inversely proportional to the code's immediate user base.

-- :wq

In reply to Re: Programming Laws by FoxtrotUniform
in thread Programming Laws by dreadpiratepeter

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