From: "pimea.mark" <pimea.mark@...>
Date: 2007-12-13T01:20:09+09:00
Subject: Re: While statements in ruby

On Dec 11, 11:41 am, Chris Shea <cms...@gmail.com> wrote:
> On Dec 11, 10:25 am, Mark Mr <pimea.m...@gmail.com> wrote:
>
>
>
> > Hi guys, I have a probably simple question. I dont know how to do
> > iteration loops in ruby that reference more than one item of an array or
> > more than one array. Here's an example of what I would do in php. Can
> > anyone convert this to ruby? Thanks :)
>
> > while ($i=0; $i < $response_table.length; $i += 2) {
>
> > <td> $response_table[$i] </td>
> > <td> $response_table[$i + 1] </td>
>
> > }
>
> > or something like this would work too if i made an array for questions
> > and a separate one for answers
>
> > while ($i=0; $i < array_count; $i++) {
>
> > <td> $question_table[$i] </td>
> > <td> $answer_table[$i] </td>
>
> > }
>
> > --
> > Posted viahttp://www.ruby-forum.com/.
>
> If you are really just working with two arrays that map one-to-one and
> onto each other, why not use one array? An array of hashes perhaps.
> Like:
>
> q_and_as = [ {:question => 'Is it blue?', :answer => 'Yes'},
> {:question => 'Is it round?', :answer => 'No'} ]
>
> Then use Array's each method:
>
> q_and_as.each do |query|
>   puts "<td>#{query[:question]}</td>"
>   puts "<td>#{query[:answer]}</td>"
> end
>
> HTH,
> Chris

Yeah I wanted to do this as well but didn't know how in ruby :) Could
you tell me how you'd add to an array like this using variables inside
a loop? Like if you didnt manually enter the values.