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Groups > comp.lang.python > #78872
| References | <u5kb3alsoleq8lh3eos289h5593m8033og@4ax.com> <m14o6t$uti$1@ger.gmane.org> <m14tsa$587$1@ger.gmane.org> <1412826846.1947388.176878769.2F8374DF@webmail.messagingengine.com> |
|---|---|
| Date | 2014-10-09 14:57 +1100 |
| Subject | Re: Toggle |
| From | Chris Angelico <rosuav@gmail.com> |
| Newsgroups | comp.lang.python |
| Message-ID | <mailman.14706.1412827051.18130.python-list@python.org> (permalink) |
On Thu, Oct 9, 2014 at 2:54 PM, <random832@fastmail.us> wrote: > On Wed, Oct 8, 2014, at 23:02, Mark Lawrence wrote: >> When I first read this I was extremely jealous of the originator but >> having used it umpteen times I'm still extremely jealous of the >> originator!!! Why doesn't my mind work like his? :) > > You could also keep the ints in two variables and do a ^= b : b ^= a : a > ^= b. Or use a, b = b, a. What I don't see in that answer is any > benchmarking support for his sweeping assertions of what is the fastest > version. Possibly because it doesn't matter. Who cares how fast it is? All you need to do is go from either of two states to the other. If the performance of that has any impact whatsoever on your code, there's something wrong with your design. ChrisA
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Toggle Seymore4Head <Seymore4Head@Hotmail.invalid> - 2014-10-08 20:11 -0400
Re: Toggle Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-10-09 12:29 +1100
[OT] spelling colour / color was Re: Toggle mm0fmf <none@mailinator.com> - 2014-10-09 18:43 +0100
Re: [OT] spelling colour / color was Re: Toggle duncan smith <buzzard@invalid.invalid> - 2014-10-09 19:24 +0100
Re: [OT] spelling colour / color was Re: Toggle Tim Delaney <timothy.c.delaney@gmail.com> - 2014-10-10 06:53 +1100
Re: [OT] spelling colour / color was Re: Toggle Marko Rauhamaa <marko@pacujo.net> - 2014-10-09 23:48 +0300
Re: [OT] spelling colour / color was Re: Toggle alister <alister.nospam.ware@ntlworld.com> - 2014-10-10 17:31 +0000
Re: [OT] spelling colour / color was Re: Toggle Marko Rauhamaa <marko@pacujo.net> - 2014-10-10 22:01 +0300
Re: [OT] spelling colour / color was Re: Toggle alister <alister.nospam.ware@ntlworld.com> - 2014-10-10 20:05 +0000
Re: [OT] spelling colour / color was Re: Toggle Christian Gollwitzer <auriocus@gmx.de> - 2014-10-11 11:37 +0200
Re: [OT] spelling colour / color was Re: Toggle mm0fmf <none@mailinator.com> - 2014-10-11 12:45 +0100
Re: [OT] spelling colour / color was Re: Toggle duncan smith <buzzard@invalid.invalid> - 2014-10-11 16:26 +0100
Re: [OT] spelling colour / color was Re: Toggle Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2014-10-11 15:20 -0400
Re: [OT] spelling colour / color was Re: Toggle William Ray Wing <wrw@mac.com> - 2014-10-11 15:55 -0400
Re: [OT] spelling colour / color was Re: Toggle duncan smith <buzzard@invalid.invalid> - 2014-10-12 00:40 +0100
Re: [OT] spelling colour / color was Re: Toggle giacomo boffi <pecore@pascolo.net> - 2014-10-18 09:06 +0200
Re: [OT] spelling colour / color was Re: Toggle Simon Ward <simon+python@bleah.co.uk> - 2014-10-11 15:45 +0100
Re: [OT] spelling colour / color was Re: Toggle "Neil D. Cerutti" <neilc@norwich.edu> - 2014-10-10 10:46 -0400
Re: [OT] spelling colour / color was Re: Toggle Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-10-10 18:45 +0100
Re: [OT] spelling colour / color was Re: Toggle Terry Reedy <tjreedy@udel.edu> - 2014-10-09 18:53 -0400
Re: [OT] spelling colour / color was Re: Toggle Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-10-10 18:11 +1100
Re: [OT] spelling colour / color was Re: Toggle Marko Rauhamaa <marko@pacujo.net> - 2014-10-10 13:08 +0300
Re: [OT] spelling colour / color was Re: Toggle Chris Angelico <rosuav@gmail.com> - 2014-10-10 21:40 +1100
Re: [OT] spelling colour / color was Re: Toggle Marko Rauhamaa <marko@pacujo.net> - 2014-10-10 13:51 +0300
Re: [OT] spelling colour / color was Re: Toggle Chris Angelico <rosuav@gmail.com> - 2014-10-10 22:50 +1100
Re: [OT] spelling colour / color was Re: Toggle Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2014-10-10 20:19 -0400
Re: [OT] spelling colour / color was Re: Toggle Marko Rauhamaa <marko@pacujo.net> - 2014-10-11 13:33 +0300
Re: [OT] spelling colour / color was Re: Toggle Chris Angelico <rosuav@gmail.com> - 2014-10-11 22:03 +1100
Re: [OT] spelling colour / color was Re: Toggle Chris Angelico <rosuav@gmail.com> - 2014-10-10 10:21 +1100
Re: [OT] spelling colour / color was Re: Toggle Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-10-10 17:52 +1100
Re: [OT] spelling colour / color was Re: Toggle Chris Angelico <rosuav@gmail.com> - 2014-10-10 18:04 +1100
Re: [OT] spelling colour / color was Re: Toggle Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-10-10 18:38 +0100
Re: Toggle Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-10-09 02:25 +0100
Re:Toggle Dave Angel <davea@davea.name> - 2014-10-08 21:24 -0400
Re: Toggle Ben Finney <ben+python@benfinney.id.au> - 2014-10-09 12:42 +1100
Re: Toggle Rustom Mody <rustompmody@gmail.com> - 2014-10-08 19:34 -0700
Re: Toggle Steven D'Aprano <steve@pearwood.info> - 2014-10-09 04:56 +0000
Re: Toggle Rustom Mody <rustompmody@gmail.com> - 2014-10-08 22:39 -0700
Re: Toggle Chris Angelico <rosuav@gmail.com> - 2014-10-09 16:55 +1100
Re: Toggle Peter Otten <__peter__@web.de> - 2014-10-09 09:51 +0200
Re: Toggle Rustom Mody <rustompmody@gmail.com> - 2014-10-09 05:42 -0700
Re: Toggle Terry Reedy <tjreedy@udel.edu> - 2014-10-09 16:57 -0400
Re: Toggle Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-10-10 18:18 +1100
Re: Toggle Rustom Mody <rustompmody@gmail.com> - 2014-10-10 07:24 -0700
Re: Toggle Rustom Mody <rustompmody@gmail.com> - 2014-10-10 07:28 -0700
Re: Toggle Chris Angelico <rosuav@gmail.com> - 2014-10-11 01:36 +1100
Re: Toggle Ian Kelly <ian.g.kelly@gmail.com> - 2014-10-09 10:07 -0600
Re: Toggle Rustom Mody <rustompmody@gmail.com> - 2014-10-09 09:33 -0700
Re: Toggle Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-10-10 18:15 +1100
Re: Toggle Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-10-09 04:02 +0100
Re: Toggle random832@fastmail.us - 2014-10-08 23:54 -0400
Re: Toggle Chris Angelico <rosuav@gmail.com> - 2014-10-09 14:57 +1100
Re: Toggle Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2014-10-09 17:57 +1300
Re: Toggle Travis Griggs <travisgriggs@gmail.com> - 2014-10-08 22:38 -0700
Re: Toggle alister <alister.nospam.ware@ntlworld.com> - 2014-10-09 15:23 +0000
Re: Toggle Tony the Tiger <tony@tiger.invalid> - 2014-10-12 18:38 +0000
Re: Toggle Chris Angelico <rosuav@gmail.com> - 2014-10-13 05:43 +1100
Re: Toggle alister <alister.nospam.ware@ntlworld.com> - 2014-10-13 08:09 +0000
Re: Toggle Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2014-10-10 13:44 +0200
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