Off topic now, but if you want to shuffle a deck of cards (or anything else), check out java.util.Collection's shuffle() method. Operates on a CF array (or any other java.util.List).
cheers, barneyb On Sun, Dec 14, 2008 at 3:55 PM, Paul Kukiel <[email protected]> wrote: > I use this method. Originally I used this to shuffle a deck of cards. > > <cfset ca = arrayNew(1) /> > <cfloop from="1" to="20" index="i"> > <cfset ca[i] = i /> > </cfloop> > <cfset i=1 /> > <cfloop from="1" to="20" index="i"> > <cfset ranDom = RandRange(1,arrayLen(ca)) /> > <cfoutput>#ca[ranDom]#<br /></cfoutput> > <cfset arrayDeleteAt(ca,ranDom) /> > </cfloop> > > > Paul. > > On Sun, Dec 14, 2008 at 6:45 PM, Don L <[email protected]> wrote: > >> Man, I'm not having a good time with a seemingly simple problem, that is, >> to generte a bunch of (say, 6) of unique numbers out of a range. Say, the >> range is 20. >> My current code technique is mainly to use a 'pool of numbers, each less >> than 20', if found, try generate a number again (and here's the potential >> problem, that is, you don't know if the newly generated number would be a >> member of 'pool of numbers', so, one would have to run a check again... So, >> for now, the code sometime produce one or even two duplication numbers. Do >> you have a better way? >> >> Thanks. >> >> Don >> Chunshen Li >> >> > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Adobe® ColdFusion® 8 software 8 is the most important and dramatic release to date Get the Free Trial http://ad.doubleclick.net/clk;207172674;29440083;f Archive: http://www.houseoffusion.com/groups/cf-talk/message.cfm/messageid:316749 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
