Re: Looking for feedback on weighted voting algorithm

From	Michael Selik <michael.selik@gmail.com>
Newsgroups	comp.lang.python
Subject	Re: Looking for feedback on weighted voting algorithm
Date	2016-04-16 00:35 +0000
Message-ID	<mailman.33.1460766914.6324.python-list@python.org> (permalink)
References	(2 earlier) <CAO1D73GG2Rfp6VK1Tr6fL6Ok4sJo55anYXsXK=PVWRfkNKVBrA@mail.gmail.com> <CAGgTfkN8RCzZW2uWuCS+A7hXunP9Fc-TUAZRM3dhdfMhV9YDnQ@mail.gmail.com> <mailman.118.1460666904.15650.python-list@python.org> <3567e3a1-6a55-4471-ad70-dc23e9ad05f4@googlegroups.com> <CAGgTfkNHuywiC=+aeetMJpuCYF5C_u09haKzD8MPS2u4kmP31w@mail.gmail.com>

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On Fri, Apr 15, 2016, 7:56 PM <sohcahtoa82@gmail.com> wrote:

> On Thursday, April 14, 2016 at 1:48:40 PM UTC-7, Michael Selik wrote:
> > I suggest not worrying about sanitizing inputs. If someone provides bad
> > data, Python will do the right thing: stop the program and print an
> > explanation of what went wrong, often a more helpful message than one
> you'd
> > write. Use error handling mostly for when you want to do something
> *other*
> > than stop the program.
> >
> > I'm not sure I'd use NaN instead of raise division by zero error. NaNs
> can
> > be troublesome for downstream code that might not notice until it gets
> > confusing. A div-by-zero error is clear and easier to track down because
> of
> > the traceback.
>
> I'd much rather sanitize the inputs and tell the user they did something
> bad than to have the script crash and give a 500 Internal Server Error to
> the user.
>

Right, my advice was only good if the user can read the original error and
traceback. And can restart the program, etc.

Even worse, I definitely wouldn't want to give any hints of the source code
> organization by letting the user see the traceback.
>

Depends on the kind of user you have.

>

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Re: Looking for feedback on weighted voting algorithm Michael Selik <michael.selik@gmail.com> - 2016-04-14 20:48 +0000
  Re: Looking for feedback on weighted voting algorithm sohcahtoa82@gmail.com - 2016-04-15 10:52 -0700
    Re: Looking for feedback on weighted voting algorithm Michael Selik <michael.selik@gmail.com> - 2016-04-16 00:35 +0000

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