I have only ever used evaluate() in my CF code once. Every other time I thought I needed it, I was able to use array notation to solve the problem.
On the flip side I once inherited an app that used evaluate() 839 times. On one page, there were 93 instances of evaluate(). On Thu, Mar 19, 2009 at 10:56 PM, Gerald Guido <gerald.gu...@gmail.com>wrote: > > >>> In general, evaluating strings as expressions is computationally > expensive. I can't think of any cases where I've had to use it in quite a > while, but I suspect there are some rare cases where you can't get what you > need any other way. > > > Personally I think that the anti-evaluate slant is a bit of orthodoxy that > was picked up on years ago (when it was much more computationally > expensive) and enforced as such by members of the CF community. > > Some times it cannot be avoided with out a boat load of thinking and trial > and error. Case in point, and I will gladly change this bit of code to not > use evaluate if someone can figure out how to do this in CFscript sans the > evaluate function: > > http://mgt.pastebin.com/f428de8f4 > > BTW I did some testing on the above code and the diff between using > evaluate and the code rendered to be evaluated and was a matter of couple > of > milliseconds. > > G! > > > On Thu, Mar 19, 2009 at 10:10 PM, Dave Watts <dwa...@figleaf.com> wrote: > > > > > > I must have been thinking about setVariable(). Why "Should not be used > > if > > > not necessary"? What would be an example where it's necessary? > > > > In general, evaluating strings as expressions is computationally > > expensive. I can't think of any cases where I've had to use it in > > quite a while, but I suspect there are some rare cases where you can't > > get what you need any other way. > > > > That said, I wouldn't worry too much about it either way. > > > > Dave Watts, CTO, Fig Leaf Software > > http://www.figleaf.com/ > > > > Fig Leaf Software provides the highest caliber vendor-authorized > > instruction at our training centers in Washington DC, Atlanta, > > Chicago, Baltimore, Northern Virginia, or on-site at your location. > > Visit http://training.figleaf.com/ for more informatio > > > > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| 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:320754 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=11502.10531.4
