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Re: notebooks default context

  • To: mathgroup at smc.vnet.net
  • Subject: [mg112322] Re: notebooks default context
  • From: David Reiss <dbreiss at gmail.com>
  • Date: Thu, 9 Sep 2010 04:23:19 -0400 (EDT)
  • References: <i64kfg$39a$1@smc.vnet.net> <i6756o$88g$1@smc.vnet.net>

Imagine my surprise when looking at this to realize that I don't
remember writing it!

...must be something in the water.

:-)

--David

On Sep 8, 12:59 am, Chris Degnen <deg... at cwgsy.net> wrote:
> You may find this post from David Reiss helpful:
>
> http://forums.wolfram.com/mathgroup/archive/2009/Jul/msg00530.html
>
> On Sep 7, 7:01 am, apjs64 <apj... at gmail.com> wrote:
>
>
>
> > Firstly a problem, my packages (.m)  keep having their context reset
> > to global every time I open them to edit rather than "unique to each
> > cell"  to which I have previously set them to.
>
> > THIS IS THE QUESTION (rest waffle)
> > I would like to set a notebooks default context to "Unique to each
> > cell" in a notebook initialisation cell. Usually I use "Unique to this
> > notebook" from the menu (which is fine and persists), however on
> > occasion I would like to tighten things up.
>
> > ------------
> > WAFFLE
> > ------------
> > I think I don't clearly understand the use of the Package` context
> > instructions. My basic package setup is as follows (which works):
>
> > BeginPackage[ "Package`"]
> >   Begin[ "Public`"]
> >      preProcess`outNB[nb_] = "something";
> >   End[];
> >   Begin[ "Private`"]
> >   End[]
> > End[]
>
> > so this is could be one source  of the problem.
>
> > This is part of a general question on good programming technique in
> > mathematica. My instinct is that for non-trivial notebooks and
> > packages "unique to cell" is the best method and the results should
> > then be put into a context for the notebook to make them available to
> > other cells.
> > -------------------------------------------------
> > eg Notebook : aParabola.nb
> > ----------------
> > cell:
> > a = 132
> > t = .5
> > aParabola`arcLength  = a * (t * Sqrt[1 + t^2] + Log[t + Sqrt[1 +
> > t^2]]);
> > ------------------
>
> > Is there a best practice? I know this is a messy question, I hope it
> > is clear.
>
> > Regards,
>
> > Jeremy Duncan
>
> > Regarding a previous post on fonts I now use:
>
> >    SetOptions[$FrontEnd, FontFamily->"Arial"];
> >    SetOptions[$FrontEnd, FontSize->10];
>
> > as soon as you ask the question, the solution suddenly becomes clear!



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