This is good explanation. Thanks.
> Hi Stuart,
>
> This is so useful and easy that it's worth really
> understanding. Here's a
> non-programming metaphor:
>
> As each player makes a shot he calls out his name
> ($1): "smith". The
> scorekeeper says, "ah, smith ($score{smith}) - let's
> add 1 to Smith's total
> attempts ($score{smith}++). This goes on each time
> an attempt is noted: "Ah
> Smith again - add another one to Smith's score
> ($score{smith}++).
>
> At the end, along comes Jone's mother, who asks,
> "How did my son do?" "Let's
> see ($score{jones} ) - oh bad news I don't even see
> his name in the list
> of attempts, so that must mean zero."
>
> So the key is the name and the value (being
> incremented each time) is the
> number of attempts.
>
> The key could also be attempted logins, or the
> number of times the word
> "right" occurs in the Bible, Bush's speeches, etc.)
>
> Cool, huh? (Okay no more metaphors - I promise)
>
> --
> Kevin Pfeiffer
> International University Bremen
>
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