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Re: Software design -- The confussion of buzzwords

by sandfly (Beadle)
on Sep 09, 2004 at 21:20 UTC ( #389883=note: print w/replies, xml ) Need Help??


in reply to Software design -- The confussion of buzzwords

I mostly write unattended jobs that shunt information around a relational database or two. For systems of this type, I generally start with a data model - either a new one, or I sketch out the existing structure. When I have a suitable data model, the processing steps required generally become obvious.

After that, it is a case of looking for areas of commonality in the process, and factoring these out as subroutines, utility modules and classes.

I think design becomes more of an issue with interactive systems, because of the potentially large number of states and transitions. I still start with the data model, but I might sketch state transition or process flow diagrams. Then I start coding, pretty much the way you described, blocking out the program structure first, and filling in the subroutines and methods later.

In my experience, software design doesn't change when a team is involved. But the practice of coding is severely impacted. When you get several people working on related code, individual productivity takes a hit, and you have to get more organised about testing, source code management, release control etc.

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[talexb]: TStanley I'm flying to Vegas in two weeks time. After that flights leaving Vegas and Phoenix are late at night .. I've been hearing that it gets so hot that the air isn't dense enough for planes to take off. Weird. Guess you won't have that problem.
[Corion]: Yay, vacation time now - one week off work (but a Perl workshop in the middle ;)) )
[talexb]: TStanley I just realized that I was in your area for a convention back in April. We were at the high school for the weekend, the one with the long driveway. Nice spot.
[TStanley]: I am heading to Arlington, Virginia next week, then I get to spend an entire week at home. Looking forward to that as I will have spent 7 weeks on the road by the end of next week

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