it could be optomized a tiny bit if both arrays are sorted if your looking through the second array for something beginning with "a", when you get to "b"'s you know your done (:
----- Original Message ----- From: "Roland Dumas" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Thursday, October 28, 2004 2:38 PM Subject: Re: Witango-Talk: Makeing 1 Array from 2 others > > > Like maybe looping through one and comparing each to the rows in the other > and if there is no match, add a row to a new array > > Could get slow if the arrays are big. > > > > On 10/28/04 2:23 PM, "Stefan Gonick" <[EMAIL PROTECTED]> wrote: > > > @union gives you all rows from both arrays. He wants array "difference", > > which doesn't exist. :( > > > > Stefan > > > > At 05:19 PM 10/28/2004, you wrote: > >> <@UNION> > >> > >> > >> On 10/28/04 12:51 PM, "Tom Storey" <[EMAIL PROTECTED]> wrote: > >> > >>> Hi All > >>> > >>> I have 2 arrays with 2 columns each. What I need to do is is make a new > >>> array containing only the rows that are not the same in the 2 arrays. > >>> Any ideas would be great. > >> > >> > >> ----------------------------------------- > >> Roland Dumas > >> Roberts Information Services > >> 310 W. Bellevue Avenue > >> San Mateo CA 94402 > >> 650-347-1373 > >> 415-412-9300 (cell) > >> [EMAIL PROTECTED] > >> SMS: http://new.servqual.com/html/sms.tml > >> > >> > >> ________________________________________________________________________ > >> TO UNSUBSCRIBE: Go to http://www.witango.com/developer/maillist.taf > > > > ===================================================== > > Database WebWorks: Dynamic web sites through database integration > > http://www.DatabaseWebWorks.com > > > > ________________________________________________________________________ > > TO UNSUBSCRIBE: Go to http://www.witango.com/developer/maillist.taf > > > > > ----------------------------------------- > Roland Dumas > Roberts Information Services > 310 W. Bellevue Avenue > San Mateo CA 94402 > 650-347-1373 > 415-412-9300 (cell) > [EMAIL PROTECTED] > SMS: http://new.servqual.com/html/sms.tml > > > ________________________________________________________________________ > TO UNSUBSCRIBE: Go to http://www.witango.com/developer/maillist.taf ________________________________________________________________________ TO UNSUBSCRIBE: Go to http://www.witango.com/developer/maillist.taf
