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Re: Stack Overflow moderator “animuson”

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Date Wed, 10 Jul 2013 09:18:27 -0700
From Ethan Furman <ethan@stoneleaf.us>
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Subject Re: Stack Overflow moderator “animuson”
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On 07/10/2013 08:54 AM, Joshua Landau wrote:
> On 10 July 2013 10:00, Steven D'Aprano <steve@pearwood.info> wrote:
>> On Wed, 10 Jul 2013 07:55:05 +0000, Mats Peterson wrote:
>>
>>> A moderator who calls himself “animuson” on Stack Overflow doesn’t want
>>> to face the truth. He has deleted all my postings regarding Python
>>> regular expression matching being extremely slow compared to Perl.
>>
>> That's by design. We don't want to make the same mistake as Perl, where
>> every problem is solved by a regular expression:
>>
>> http://neilk.net/blog/2000/06/01/abigails-regex-to-test-for-prime-numbers/
>>
>> so we deliberately make regexes as slow as possible so that programmers
>> will look for a better way to solve their problem. If you check the
>> source code for the re engine, you'll find that for certain regexes, it
>> busy-waits for anything up to 30 seconds at a time, deliberately wasting
>> cycles.
>
> I hate to sound like this but do you realise that this is exactly what
> you're arguing for when saying that sum() shouldn't use "+="?

my_obj = SomeKoolClass()
my_obj.modify_in_some_kool_way()
new_result = sum([SKC1, SKC2, SKC3], my_obj)

Guess what?  You've just changed my_obj.

--
~Ethan~

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Thread

Stack Overflow moderator “animuson” Mats Peterson <matsp999@aim.com> - 2013-07-10 07:55 +0000
  Re: Stack Overflow moderator “animuson” Chris Angelico <rosuav@gmail.com> - 2013-07-10 18:26 +1000
    Re: Stack Overflow moderator “animuson” Steven D'Aprano <steve@pearwood.info> - 2013-07-10 08:37 +0000
      Re: Stack Overflow moderator “animuson” Mats Peterson <matsp999@aim.com> - 2013-07-10 08:33 +0000
        Re: Stack Overflow moderator “animuson” Chris Angelico <rosuav@gmail.com> - 2013-07-10 18:50 +1000
          Re: Stack Overflow moderator “animuson” Mats Peterson <matsp999@aim.com> - 2013-07-10 08:46 +0000
            Re: Stack Overflow moderator “animuson” Ian Kelly <ian.g.kelly@gmail.com> - 2013-07-10 03:12 -0600
              Re: Stack Overflow moderator “animuson” Mats Peterson <matsp999@aim.com> - 2013-07-10 09:13 +0000
            Re: Stack Overflow moderator “animuson” Joshua Landau <joshua@landau.ws> - 2013-07-10 10:52 +0100
            Re: Stack Overflow moderator “animuson” Robert Kern <robert.kern@gmail.com> - 2013-07-10 12:08 +0100
            Re: Stack Overflow moderator “animuson” Joshua Landau <joshua@landau.ws> - 2013-07-10 12:15 +0100
            Re: Stack Overflow moderator “animuson” Skip Montanaro <skip@pobox.com> - 2013-07-10 06:52 -0500
            Re: Stack Overflow moder ator “animuson” Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-07-10 15:01 +0000
              Re: Stack Overflow moder ator “animuson” CM <cmpython@gmail.com> - 2013-07-11 00:36 -0700
          Re: Stack Overflow moderator “animuson” Mats Peterson <matsp999@aim.com> - 2013-07-10 08:50 +0000
            Re: Stack Overflow moderator “animuson” Chris Angelico <rosuav@gmail.com> - 2013-07-10 19:10 +1000
    Re: Stack Overflow moderator “animuson” Mats Peterson <matsp999@aim.com> - 2013-07-10 08:32 +0000
      Re: Stack Overflow moderator “animuson” Chris Angelico <rosuav@gmail.com> - 2013-07-10 18:46 +1000
        Re: Stack Overflow moderator “animuson” Mats Peterson <matsp999@aim.com> - 2013-07-10 08:43 +0000
          Re: Stack Overflow moderator “animuson” Michael Torrie <torriem@gmail.com> - 2013-07-10 22:20 -0600
      Re: Stack Overflow moderator “animuson” Ian Kelly <ian.g.kelly@gmail.com> - 2013-07-10 03:00 -0600
    Re: Stack Overflow moderator “animuson” Mats Peterson <matsp999@aim.com> - 2013-07-10 08:42 +0000
      Re: Stack Overflow moderator “animuson” Chris Angelico <rosuav@gmail.com> - 2013-07-10 19:02 +1000
        Re: Stack Overflow moderator “animuson” Mats Peterson <matsp999@aim.com> - 2013-07-10 09:01 +0000
          Re: Stack Overflow moderator “animuson” Chris Angelico <rosuav@gmail.com> - 2013-07-10 19:39 +1000
            Re: Stack Overflow moderator “animuson” Mats Peterson <matsp999@aim.com> - 2013-07-10 12:22 +0000
              Re: Stack Overflow moderator “animuson” Michael Torrie <torriem@gmail.com> - 2013-07-10 22:26 -0600
      Re: Stack Overflow moderator “animuson” Ian Kelly <ian.g.kelly@gmail.com> - 2013-07-10 03:06 -0600
        Re: Stack Overflow moderator “animuson” Mats Peterson <matsp999@aim.com> - 2013-07-10 09:03 +0000
          Re: Stack Overflow moderator “animuson” Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2013-07-10 13:14 +0200
            Re: Stack Overflow moderator “animuson” Mats Peterson <matsp999@aim.com> - 2013-07-10 12:01 +0000
              Re: Stack Overflow moderator “animuson” Joshua Landau <joshua@landau.ws> - 2013-07-10 13:13 +0100
          Re: Stack Overflow moderator “animuson” Joshua Landau <joshua@landau.ws> - 2013-07-10 12:19 +0100
          Re: StackOverflowmoderator “animuson” Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-07-10 16:03 +0000
  Re: Stack Overflow moderator “animuson” Steven D'Aprano <steve@pearwood.info> - 2013-07-10 09:00 +0000
    Re: Stack Overflow moderator “animuson” Steve Simmons <square.steve@gmail.com> - 2013-07-10 12:18 +0100
    Re: Stack Overflow moderator “animuson” Mats Peterson <matsp999@aim.com> - 2013-07-10 12:13 +0000
      Re: Stack Overflow moderator “animuson” Chris Angelico <rosuav@gmail.com> - 2013-07-10 22:22 +1000
      Re: Stack Overflow moderator “animuson” Skip Montanaro <skip@pobox.com> - 2013-07-10 07:35 -0500
      Re: Stack Overflow moderator “animuson” Paul Scott <pscott209@gmail.com> - 2013-07-10 14:27 +0200
      Re: Stack Overflow moderator “animuson” Joshua Landau <joshua@landau.ws> - 2013-07-10 13:39 +0100
      Re: Stack Overflow moderator “animuson” Skip Montanaro <skip@pobox.com> - 2013-07-10 08:12 -0500
      Re: Stack Overflow moderator “animuson” memilanuk <memilanuk@gmail.com> - 2013-07-10 07:34 -0700
      Re: Stack Overflow moderator “animuson” alex23 <wuwei23@gmail.com> - 2013-07-11 12:04 +1000
    Re: Stack Overflow moderator “animuson” Joshua Landau <joshua@landau.ws> - 2013-07-10 16:54 +0100
      Re: Stack Overflow moderator “animuson” Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-07-10 17:15 +0000
        Re: Stack Overflow moderator “animuson” Joshua Landau <joshua@landau.ws> - 2013-07-10 18:53 +0100
          Re: Stack Overflow moderator “animuson” Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-07-10 23:28 +0000
    Re: Stack Overflow moderator “animuson” Ethan Furman <ethan@stoneleaf.us> - 2013-07-10 09:18 -0700
    Re: Stack Overflow moderator “animuson” Joel Goldstick <joel.goldstick@gmail.com> - 2013-07-10 12:32 -0400
    Re: Stack Overflow moderator “animuson” Joshua Landau <joshua@landau.ws> - 2013-07-10 18:55 +0100
    Re: Stack Overflow moderator “animuson” Antoine Pitrou <solipsis@pitrou.net> - 2013-07-18 08:54 +0000
    Re: Stack Overflow moderator “animuson” wxjmfauth@gmail.com - 2013-07-19 11:54 -0700
      Re: Stack Overflow moderator “animuson” Chris Angelico <rosuav@gmail.com> - 2013-07-20 08:35 +1000
      Re: Stack Overflow moderator “animuson” Dave Angel <davea@davea.name> - 2013-07-19 19:14 -0400
      Re: Stack Overflow moderator “animuson” Joshua Landau <joshua@landau.ws> - 2013-07-20 11:27 +0100
  Re: Stack Overflow moderator “animuson” Joshua Landau <joshua@landau.ws> - 2013-07-10 12:12 +0100
    Re: Stack Overflow moderator “animuson” Mats Peterson <matsp999@aim.com> - 2013-07-10 12:06 +0000
      Re: Stack Overflow moderator “animuson” Benedict Verheyen <benedict.verheyen@gmail.com> - 2013-07-10 13:53 +0000
        Re: Stack Overflow moderator “animuson” alex23 <wuwei23@gmail.com> - 2013-07-11 12:08 +1000
      Re: Stack Overflow moderator “animuson” Ian Kelly <ian.g.kelly@gmail.com> - 2013-07-10 10:02 -0600
      Re: Stack Overflow bans Mats Peterson (was Re: Stack Overflow moderator “animuson”) Michael Torrie <torriem@gmail.com> - 2013-07-10 22:38 -0600
  Re: Stack Overflow moderator “animuson” Benedict Verheyen <benedict.verheyen@gmail.com> - 2013-07-10 11:56 +0000
  Re: Stack Overflow  bans Mats Peterson (was Re: ....) Terry Reedy <tjreedy@udel.edu> - 2013-07-10 14:52 -0400
  Re: Stack Overflow moderator “animuson” Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2013-07-11 11:36 +0200
  Re: Stack Overflow moderator “animuson” Jake Angulo <jake.angulo@gmail.com> - 2013-07-19 17:33 +1000
  Re: Stack Overflow moderator “animuson” Kevin Walzer <kw@codebykevin.com> - 2013-07-19 20:47 -0400

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