On Sun, Apr 06, 2008 at 08:51:00PM -0700, Casey wrote:
> I hit reply-all... now am I suddenly subscribed to Perl and Ruby lists!?!
Be careful. Next time you do it you'll be subscribed to Haskell, OCaml
and Smalltalk lists.
Bwahahaha!
--
Paul Johnson - [EMAIL PROTECTED]
http://www.pjcj.net
--
On Sun, Apr 6, 2008 at 11:51 PM, Casey <[EMAIL PROTECTED]> wrote:
> I hit reply-all... now am I suddenly subscribed to Perl and Ruby lists!?!
Huh, didn't notice the cross-posting. But no, you're not subscribed
to any new lists.
Since we're cross-posting, the translation of my sample would be
ap
On Sun, Apr 6, 2008 at 4:52 PM, Kelly Jones <[EMAIL PROTECTED]> wrote:
> Many programming languages (including Perl, Ruby, and PHP) support hashes:
>
> $color['apple'] = 'red';
> $color['ruby'] = 'red';
>
> $type['apple'] = 'fruit';
> $type['ruby'] = 'gem';
>
> This quickly lets me find the co
(sorry I just hit send on a blank email; I'm absent-minded)
First, in the strictest mathematical sense, a relation from a set $a to a
set $b is a subset of the cross-product $a x $b.
(obviously, the mathematical notation is not a great way to represent this
in a program.)
Hence, a relation is a
On Sun, Apr 6, 2008 at 7:52 PM, Kelly Jones <[EMAIL PROTECTED]>
wrote:
> Many programming languages (including Perl, Ruby, and PHP) support hashes:
>
> $color['apple'] = 'red';
> $color['ruby'] = 'red';
>
> $type['apple'] = 'fruit';
> $type['ruby'] = 'gem';
>
> This quickly lets me find the color
As far as languages with two-way relation go, there are many; perhaps
the most prototypical is Lisp, in that either member of a pair within
an alist can be used to look the pair up, with no extra function or
second map definition required.
But PHP has pretty good support, too, actually. If you ha
On Sun, Apr 6, 2008 at 4:52 PM, Kelly Jones <[EMAIL PROTECTED]> wrote:
> Many programming languages (including Perl, Ruby, and PHP) support hashes:
>
> $color['apple'] = 'red';
> $color['ruby'] = 'red';
>
> $type['apple'] = 'fruit';
> $type['ruby'] = 'gem';
>
> This quickly lets me find the co
Many programming languages (including Perl, Ruby, and PHP) support hashes:
$color['apple'] = 'red';
$color['ruby'] = 'red';
$type['apple'] = 'fruit';
$type['ruby'] = 'gem';
This quickly lets me find the color or type of a given item.
In this sense, color() and type() are like mathematical funct
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