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Top Forums Web Development Radio buttons oh other form elements Post 302225838 by era on Sunday 17th of August 2008 08:12:01 AM
Old 08-17-2008
I'm not sure I get what you are saying, and it doesn't sound very usable anyway. Something you see on some sites is roughly this:

Code:
Select annoying bunch of things!!!

(X)  First annoying bunch of things

      [ ] Throw errors for valid email addresses
      [ ] Assume foreign addresses have a ZIP code
      [x] Sign me up for a random mailing list which I cannot unsubscribe from
           Email: [era@example.com    ]

( ) Second set of annoying things

      [ ] Serve entire site as Flash (greyed out)
      [ ] Require non-free codec: [v] DivX :-)  (greyed out)
      [ ] Background music you can't turn off (greyed out)
      [ ] Force download of untrusted Windows component (with malware) (greyed out)

Something along these lines can be done in basic HTML, but you need some clever JavaScript and/or CSS to grey out and disable the part which is not selected.
 

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Leak(3pm)						User Contributed Perl Documentation						 Leak(3pm)

NAME
Devel::Leak - Utility for looking for perl objects that are not reclaimed. SYNOPSIS
use Devel::Leak; ... setup code my $count = Devel::Leak::NoteSV($handle); ... code that may leak Devel::Leak::CheckSV($handle); DESCRIPTION
Devel::Leak has two functions "NoteSV" and "CheckSV". "NoteSV" walks the perl internal table of allocated SVs (scalar values) - (which actually contains arrays and hashes too), and records their addresses in a table. It returns a count of these "things", and stores a pointer to the table (which is obtained from the heap using malloc()) in its argument. "CheckSV" is passed argument which holds a pointer to a table created by "NoteSV". It re-walks the perl-internals and calls sv_dump() for any "things" which did not exist when "NoteSV" was called. It returns a count of the number of "things" now allocated. CAVEATS
Note that you need a perl built with -DDEBUGGING for sv_dump() to print anything, but counts are valid in any perl. If new "things" have been created, "CheckSV" may (also) report additional "things" which are allocated by the sv_dump() code. HISTORY
This little utility module was part of Tk until the variable renaming in perl5.005 made it clear that Tk had no business knowing this much about the perl internals. AUTHOR
Nick Ing-Simmons <nick@ni-s.u-net.com> perl v5.14.2 2004-03-18 Leak(3pm)
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