On 11/10/05, Bryan Stevenson <[EMAIL PROTECTED]> wrote:
> Not looking for a huge thread here....but I just watched a demo on Ruby on
> Rails and am left with these impressions/questions:
>
> 1) On the surface...DAMN! Sure could be better than CF for RAD
Yes, it sure can work as a killer RAD tool for web apps.
> 2) Demo was WAY too simple (basic blog). I'd bet that if you had conditional
> form validation (i.e. start date must be before end date), then Ruby starts
> to fall down (as it seems to derive form validation from data types and
> constraints).
Not at all -- Ruby's *really* flexible for that sort of thing. (As an
aside, *Rails* is what handles the automatic validation -- Ruby is the
language it's written in) You just have to actually write a little
code (just as you would in any language). You'd do something like
class someObject < ActiveRecord::Base
def validate
if end_date<start_date
errors.add(:end_date, "must be before start data")
end
end
There's a lot of helpers for validation and it's easy to write your
own into reusable libraries. Most of the magic is built into the
ActiveRecord library
> So....for those that have used or looked further into RoR....how does it
> stack up when you have to build something other than a basic web app like a
> blog/cart/webmail/etc.?? Does development take longer as you need to "tweak"
> things from the basic functionality?
Assuming you know Ruby, it's *really* fast. I've worked on several RoR
sites -- including a moderately sized ecommerce site. This is fast.
But it's important to realize, Ruby vs. CF isn't really the issue --
it's the Rails framework vs CF framework X
(MachII/FB/MG/onTap/Batfink/whatever). Rails has a killer ORM in
ActiveRecord, testing built-in in a really nice way, several
templating languages, and a simple, flexible MVC controller in a
package that can generate scaffolding by itself. Nothing stops CF from
having a similar framework :)
As an aside -- pick up the Rails book from the pragmatic programmers
if you really want to get into rails... though there's been a ton
added to Rails since Aug.
--
John Paul Ashenfelter
CTO/Transitionpoint
(blog) http://www.ashenfelter.com
(email) [EMAIL PROTECTED]
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