From: unbewusst.sein@... (=?ISO-8859-1?Q?Une_B=E9vue?=)
Date: 2010-06-03T03:15:10+09:00
Subject: Re: having a class method called only one time ?

Josh Cheek <josh.cheek@gmail.com> wrote:

> 
> This is basically the same as what other people have said, but uses begin
> .. end to do the entire calculation in one method. Also, addresses that it
> should only calculate once, across all instances.

exactly what i wanted.

> 
> -----
> 
> Also, the delightful Ruby Best Practices discusses lazy evaluation in
> chapter 5. You can download a copy at http://rubybestpractices.com/ and if
> you feel you got something worthwhile, you might consider purchasing it as
> well :)


for sure, after reading it quicly.

> -----
> 
> And depending on where you are going with this, you could also consider
> rake, which is built around tasks and dependencies, and won't execute a task
> more than one time (per user invocation).

for the time being my needs are more toward some IDE.
-- 
 � Les faiblesses des hommes font la force des femmes. � 
   (Voltaire)