On Fri, 7 Mar 2003 14:03:08 -0500 Sundar Narasimhan <[EMAIL PROTECTED]> wrote:
> >Explain how some other approach handles it in any better way? Use of > >token to prevent duplicate submissions works for me. And what do you > >mean by a continuation-style programming? > Hi, Rick: CPS is a commonly accepted idiom for representing "what a > program does next" in your language. Some languages such as > Scheme (a lisp variant/dialect) have strong support for it.. > > In languages such as these.. you can actually write > > int x = 5; > x = getValue1(); > y = getValue2(); > > where getValue1 and getValue2 display the appropriate pages etc., and > when the user hits the back button your program's state gets unwound > to the point where it should be.. w/out ANY extra coding! You as a > coder wouldn't have to write any code to "set" the variable x's value > back to what it was etc. Very interesting, thanks for the information. Can this kind of behavior be achieved though simply by hitting a "browser" back button? I wouldn't think that would be possible without using javascript to resubmit the page or to make sure a fresh page was always being looked at? -- Rick Reumann --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
