connect four (game)
nospam.Chris Angelico
rosuav at gmail.com
Mon Nov 27 00:41:00 EST 2017
On Mon, Nov 27, 2017 at 3:04 PM, Rustom Mody <rustompmody at gmail.com> wrote:
>> Aviators have pinned down the best solution to this, I think. A pilot
>> is not expected to be perfect; he is expected to follow checklists. A
>> preflight checklist. A departure checklist. A landing checklist.
>> Everything that needs to be done right is mentioned on the list, and
>> you just go through the list and make sure you've done everything.
>
> And thats where the analogy breaks down.
> Presumably a 50 person short-flight and a 600-person transcontinental may
have
> at least something in common in their pilot-checklists
> What common will you find in a multi-million line OS, a thousand line script
> and a student prime-numbers first-program?
You locate a pure function. I can pretty much guarantee that the first two will
have a number of them, and the third one may or may not, but almost certainly
should. Pure functions are the easiest to unit-test. Then you build up from
there.
> No I am not dissing on testing and TDD; just that universalityâ1 of computing
devices
> is something that our civilization is nowhere near understanding, leave alone
> dealing with â ö two programs can be more far apart than a bullock cart and a
jet.
> And yet they are both programs
... so?
> â1 Ive seen CS PhDs ask a student why a student didnt incorporate some
error-checking
> into his compiler which amounted to solving the halting problem.
> More mundanely I see students have a hard time seeing their phones and
their
> laptops as 'the same'
Again: so? Testing methodologies don't require that.
ChrisA
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