Kloubakov, Yura
3/21/2005 7:10:00 PM
> -----Original Message-----
> From: Curt Hibbs [mailto:curt@hibbs.com]
> Sent: Monday, March 21, 2005 13:11
>
> Kloubakov, Yura wrote:
> >
> > > -----Original Message-----
> > > From: Curt Hibbs [mailto:curt@hibbs.com]
> > > Sent: Monday, March 21, 2005 12:13
> >
> > [snip]
> >
> > > Justin took 4 months to reimplement this web app using Spring
> > > and Hibernate.
> >
> > [snip]
> >
> > > Recently, Justin decided to re-implement with Ruby on Rails.
> > > Bruce said that this took a total of 5 days ...
> >
> > [snip]
> >
> > > Despite being an expert in the best-of-breed Java frameworks
> > > and a novice in the Ruby on Rails frameworks, he still managed
> > > an 8x improvement in productivity ...
> >
> > Is not it more like 24x?
>
> I was assuming a 5 day week and that during those four months
> he actually had *real* weekends with his friends and family.
OK. 4 month > 17 weeks :)
I also agree with the argument made by others that re-implementation
takes less than the first implementation but it may be more true for
their first re-implementation in "better" Java.
Yura.