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copy on write

Started byEduardo Suarez-Santana <esuarez@itccanarias.org>
First post2012-01-13 11:33 +0000
Last post2012-02-02 05:31 +0000
Articles 3 on this page of 43 — 18 participants

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  copy on write Eduardo Suarez-Santana <esuarez@itccanarias.org> - 2012-01-13 11:33 +0000
    Re: copy on write Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-01-13 12:10 +0000
      Re: copy on write Chris Angelico <rosuav@gmail.com> - 2012-01-13 23:30 +1100
        Re: copy on write Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-01-13 13:04 +0000
          Re: copy on write Ethan Furman <ethan@stoneleaf.us> - 2012-01-13 10:40 -0800
            Re: copy on write 88888 Dihedral <dihedral88888@googlemail.com> - 2012-01-13 14:26 -0800
            Re: copy on write 88888 Dihedral <dihedral88888@googlemail.com> - 2012-01-13 14:26 -0800
          Re: copy on write John O'Hagan <research@johnohagan.com> - 2012-02-02 14:18 +1100
          Re: copy on write Devin Jeanpierre <jeanpierreda@gmail.com> - 2012-02-02 01:34 -0500
          Re: copy on write John O'Hagan <research@johnohagan.com> - 2012-02-02 19:11 +1100
            Re: copy on write Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-02-02 09:16 +0000
              Re: copy on write Hrvoje Niksic <hniksic@xemacs.org> - 2012-02-02 11:53 +0100
                Re: copy on write MRAB <python@mrabarnett.plus.com> - 2012-02-02 16:28 +0000
                Re: copy on write Devin Jeanpierre <jeanpierreda@gmail.com> - 2012-02-02 12:21 -0500
              Re: copy on write John O'Hagan <research@johnohagan.com> - 2012-02-03 01:17 +1100
              Re: copy on write Terry Reedy <tjreedy@udel.edu> - 2012-02-02 12:25 -0500
              Re: copy on write John O'Hagan <research@johnohagan.com> - 2012-02-03 14:08 +1100
                Re: copy on write Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-02-03 05:04 +0000
                  Re: copy on write Chris Angelico <rosuav@gmail.com> - 2012-02-03 16:28 +1100
                    Re: copy on write Rick Johnson <rantingrickjohnson@gmail.com> - 2012-02-03 07:35 -0800
                  Re: copy on write Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2012-02-03 10:08 +0100
                  Re: copy on write John O'Hagan <research@johnohagan.com> - 2012-02-03 21:47 +1100
                    Re: copy on write Wolfram Hinderer <wolfram.hinderer@googlemail.com> - 2012-02-05 06:09 -0800
                  Re: copy on write "OKB (not okblacke)" <brenNOSPAMbarn@NObrenSPAMbarn.net> - 2012-02-03 16:15 +0000
        Re: copy on write Thomas Rachel <nutznetz-0c1b6768-bfa9-48d5-a470-7603bd3aa915@spamschutz.glglgl.de> - 2012-02-02 11:42 +0100
      Re: copy on write Devin Jeanpierre <jeanpierreda@gmail.com> - 2012-01-13 08:50 -0500
        Re: copy on write Grant Edwards <invalid@invalid.invalid> - 2012-01-13 15:13 +0000
          Re: copy on write Devin Jeanpierre <jeanpierreda@gmail.com> - 2012-01-13 11:48 -0500
            Re: copy on write Neil Cerutti <neilc@norwich.edu> - 2012-01-13 16:54 +0000
              Re: copy on write Grant Edwards <invalid@invalid.invalid> - 2012-01-13 18:15 +0000
                Re: copy on write Chris Angelico <rosuav@gmail.com> - 2012-01-14 05:26 +1100
                  Re: copy on write Grant Edwards <invalid@invalid.invalid> - 2012-01-13 19:30 +0000
                    Re: copy on write Neil Cerutti <neilc@norwich.edu> - 2012-01-13 20:11 +0000
              Re: copy on write Evan Driscoll <edriscoll@wisc.edu> - 2012-01-13 13:24 -0600
                Re: copy on write Neil Cerutti <neilc@norwich.edu> - 2012-01-13 21:20 +0000
                  Re: copy on write Evan Driscoll <edriscoll@wisc.edu> - 2012-01-13 16:48 -0600
                    Re: copy on write 88888 Dihedral <dihedral88888@googlemail.com> - 2012-02-02 05:33 -0800
                      Re: copy on write Evan Driscoll <edriscoll@wisc.edu> - 2012-02-02 15:20 -0600
                    Re: copy on write 88888 Dihedral <dihedral88888@googlemail.com> - 2012-02-02 05:33 -0800
                    Re: copy on write 88888 Dihedral <dihedral88888@googlemail.com> - 2012-02-03 14:16 -0800
                    Re: copy on write 88888 Dihedral <dihedral88888@googlemail.com> - 2012-02-03 14:16 -0800
            Re: copy on write Rick Johnson <rantingrickjohnson@gmail.com> - 2012-02-01 19:51 -0800
              Re: copy on write Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-02-02 05:31 +0000

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#19921

From88888 Dihedral <dihedral88888@googlemail.com>
Date2012-02-03 14:16 -0800
Message-ID<7136289.998.1328307405342.JavaMail.geo-discussion-forums@prhq15>
In reply to#18952
在 2012年1月14日星期六UTC+8上午6时48分29秒，Evan Driscoll写道：
> On 01/13/2012 03:20 PM, Neil Cerutti wrote:
> > They perform the same action, but their semantics are different.
> > operator+ will always return a new object, thanks to its
> > signature, and operator+= shall never do so. That's the main
> > difference I was getting at.

Well, in any associative operation with an identity implemented in a computer language  personally I believe the operator overloading part in C++ is   another teasing trick.

 
Do we have to work out the algebra here?

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#19766

FromRick Johnson <rantingrickjohnson@gmail.com>
Date2012-02-01 19:51 -0800
Message-ID<d5349a86-02c7-4323-9d21-d0baa26efb17@g27g2000yqa.googlegroups.com>
In reply to#18925
On Jan 13, 10:48 am, Devin Jeanpierre <jeanpierr...@gmail.com> wrote:
> On Fri, Jan 13, 2012 at 10:13 AM, Grant Edwards <inva...@invalid.invalid> wrote:
> > On 2012-01-13, Devin Jeanpierre <jeanpierr...@gmail.com> wrote:
> >> On Fri, Jan 13, 2012 at 7:30 AM, Chris Angelico <ros...@gmail.com> wrote:
> There's a bit of a feeling
> that code should "do what it looks like" and be sort of understandable
> without exactly understanding everything.

Yeah there's a word for that; INTUITIVE, And I've been preaching its
virtues (sadly in vain it seems!) to these folks for some time now.

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#19768

FromSteven D'Aprano <steve+comp.lang.python@pearwood.info>
Date2012-02-02 05:31 +0000
Message-ID<4f2a1f96$0$29895$c3e8da3$5496439d@news.astraweb.com>
In reply to#19766
On Wed, 01 Feb 2012 19:51:13 -0800, Rick Johnson wrote:

> Yeah there's a word for that; INTUITIVE, And I've been preaching its
> virtues (sadly in vain it seems!) to these folks for some time now.

Intuitive to whom?

Expert Python programmers?

VB coders?

Perl hackers?

School children who have never programmed before?

Mathematicians?

Babies?

Rocket scientists?

Hunter-gatherers from the Kalahari desert?


My intuition tells me you have never even considered that intuition 
depends on who is doing the intuiting. 


-- 
Steven

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