Chris Angelico wrote:
On Fri, Sep 29, 2017 at 6:59 AM, Bill <bill_nos...@whoknows.net> wrote:
Chris Angelico wrote:
Be careful with this one. For anything other than trivial errors (and
even for some trivial errors), finding the bug is basically searching
through a problem space of all things that could potentially cause
this symptom. A novice could accidentally stumble onto the right
solution to a tricky bug, or an expert could search a thousand other
things and only get to the true cause after a long time.
some "expert"! ; )
Yep. Pick anyone on this list that you believe is an expert, and ask
him/her for a story of a long debug session that ended up finding a
tiny problem. I can pretty much guarantee that every expert programmer
will have multiple such experiences, and it's just a matter of
remembering one with enough detail to share the story.
ChrisA
I won't claim to be any sort of "expert". But one memorable problem,
for me, was ultimately accounted for by the "inherent problem" of the
floating point variables x0 and xo coexisting in the same module. It's
sort of funny if you think about it just right. FWIW, my job was to fix
the problem, I didn't create it!
Bill
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