Queue - July/August 2008

^cod ^e ^c ^o ⁿ ^tr ^o ^l ^sy ^s ^te ^m ^. ^It ^’s ⁿ ^o ^t ^t ^h ^a ^t ^w ^e ^lose ^the ^code, ^it’s ^fo ^ll ^o ^w ⁱⁿ ^g ^t ^h ^e ^l ^e ^tt ^e ^r ^b ^u ^t ⁿ ^o ^t ^th ^e ^s ^p ^ir ⁱ ^t ^o ^f ^t ^h ^e ^la ^w ^, ^an ^d ^t ^h ^a ^tthat thedat aweneedchangesandtheoriginal systemcanl eado nly totrouble.KV’ssimplerulesofdatacollec-
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^Qu ^e ^ry ^o ⁿ ^Q ^u ^eries^pe ^o ^p ^le ^w ^h ^o ^co ^l ^l ^e ^c ^t ^f ⁱ ^g ^u ^r ⁱ ⁿ ^e ^s. ^T ^h ^ey ^g ⁱ ^v ^e ^p ^le ^a ^s ^u ^r ^e ^t ^o ^on ^l ^y
^on ^e ^o ^r ^t ^w ^o ^s ^li ^gh ^t ^l ^y ^o ^b ^s ^e ^s ^siv ^e ⁱⁿ ^d ⁱ ^v ⁱ ^d ^u ^a ^l ^s ^a ⁿ ^d ^t ^h ^e ^y ^a ^r ^e ^t ^h ^e^De ^a ^r ^Q ^Q ^, ^fir ^s ^t ^t ^h ⁱ ⁿ ^g ^s ^t ^o ^g ^o ⁱ ⁿ ^t ^h ^e ^t ^r ^a ^sh ^a ^f ^t ^e ^r ^t ^h ^o ^s ^e ⁱ ⁿ ^d ^iv ⁱ ^d ^u ^a ^l ^s ^d ⁱ ^e ^.
^Let ^’s ^g ^e ^t ^o ^ne ^t ^h ⁱ ⁿ ^g ^s ^t ^r ^a ^ig ^h ^t ^. ^T ^h ^e ^r ^e ^a ^r ^e ⁿ ^o “ ^t ^h ^r ^o ^w ^-a ^w ^a ^y ” ^K ^V
^pro ^g ^r ^am ^s ^. ^I ^d ^o ⁿ ^’ ^t ^m ^e ^a ⁿ ^t ^h ^a ^t ⁱ ⁿ ^th ^e “ ^t ^h ^er ^e ^a ^re ⁿ ^o ^s ^t ^u ^p ^id
qu e st i o n s ” k i n d o f w a y ( i n fa ct , t h e r e a r e m a n y s t u pid KO D E V IC I O U S , known to mere mortals as George V.
questions). What I mean is that if you’re writing code Ne v ill e- N e i l, w o r k s on n e t w o r k i n g a n d o p e r a t in g s y s t e m
tha t y o u i n te n d to throw away, then you are specifically co d e f o r fu n a n d p r o f it . H e a l so t e a c h e s c o u r s e s o n v a r i o u s
wa st i n g y o u r t im e , a n d t h e t im e o f y o u r t e a m . su b je c t s r e l a te d t o p r o g r a m m ing . H is a r e a s o f i n t e re st a r e
To y o u r o r i g i n a l p o in t o f a s y s t e m t h a t r e c o r d s d a ta co d e sp e l un k i n g , o p er a t in g s y st e m s, a n d r e w r it i n g y o u r b ad
that i t d o e s n ’ t e x p os e: w e l l, t h a t I j u s t d o n ’ t g et . H o w d o co d e ( O K , m a y b e n o t t h a t l a st o n e ). H e e a rn e d h i s b a c h e lor’s
the e n g in e e r s a t y o u r c o m p a n y e v e n k n o w i f t h e y a re de g r e e i n c o m p u te r s c i e n c e a t N o r th e a s t e r n U n i v e r si t y in
recor d i n g th e d a t a c o rre c t l y ? If this is for regulatory pur- Bo s to n , M a ss a c h u se t t s, a n d i s a m em b e r o f AC M , t h e U se n ix
po se s , th e n w h a t w i ll h a p p e n w h e n s o m e a u d i t o r c o m e s As s o c ia t io n , a n d IE E E . H e is a n a v id b i c y c l is t a n d t ra v e le r w ho
aroun d a n d s a y s , “ H a ve you been recording all records cu r r e n t l y r e si d e s in N e w Y o r k C i t y .
of type X?” and then follows up with, “Well, then please © 2 0 0 8 A C M 1 5 4 2 - 7 7 30 / 0 8 / 0 70 0 $ 5 .0 0
sho w th e m t o m e. ” I t w o u l d s e e m t hat your company is

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