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Re: Python handles globals badly.

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Date Thu, 4 Dec 2014 22:38:24 +0800
Subject Re: Python handles globals badly.
From jtan <admin@grails.asia>
To "Steven D'Aprano" <steve+comp.lang.python@pearwood.info>
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I wish him all the luck while having sleep deprivation trying to solve
production issues :)

On Thu, Dec 4, 2014 at 7:35 PM, Steven D'Aprano <
steve+comp.lang.python@pearwood.info> wrote:

> jtan wrote:
>
> > How can Skybuck use so much globals. Wouldn't that introduce a lot of
> > thread safety problems?
>
> Of course it would. But I expect that Skybuck probably doesn't even know
> what threads are. Or if he does, he probably doesn't believe that they
> should be used.
>
> Thread safety is just the start of the problems with global variables:
>
> http://c2.com/cgi/wiki?GlobalVariablesAreBad
>
> Globals in Python are less bad than in many other languages, since they are
> localised to a single module only. And the use of a few globals here and
> there as needed is perfectly fine for small scripts. But using dozens of
> them to avoid passing arguments to functions, that's just awful code.
>
>
> --
> Steven
>
> --
> https://mail.python.org/mailman/listinfo/python-list
>



-- 
Freelance Grails <http://grails.asia/> and Java <http://javadevnotes.com/>
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Thread

Python handles globals badly. "Skybuck Flying" <skybuck2000@hotmail.com> - 2014-12-03 03:27 +0100
  Re: Python handles globals badly. Chris Angelico <rosuav@gmail.com> - 2014-12-03 13:35 +1100
  RE: Python handles globals badly. "Clayton Kirkwood" <crk@godblessthe.us> - 2014-12-02 18:53 -0800
  Re: Python handles globals badly. Michael Torrie <torriem@gmail.com> - 2014-12-02 20:13 -0700
    Re: Python handles globals badly. "Skybuck Flying" <skybuck2000@hotmail.com> - 2014-12-03 05:32 +0100
      Re: Python handles globals badly. Chris Angelico <rosuav@gmail.com> - 2014-12-03 15:42 +1100
      Re: Python handles globals badly. Dave Angel <davea@davea.name> - 2014-12-03 00:02 -0500
      Re: Python handles globals badly. Michael Torrie <torriem@gmail.com> - 2014-12-02 22:23 -0700
        Re: Python handles globals badly. Marko Rauhamaa <marko@pacujo.net> - 2014-12-03 08:52 +0200
          Re: Python handles globals badly. Joel Goldstick <joel.goldstick@gmail.com> - 2014-12-03 02:17 -0500
      Re: Python handles globals badly. Joshua Landau <joshua@landau.ws> - 2014-12-03 13:07 +0000
      Re: Python handles globals badly. mm0fmf <none@mailinator.com> - 2014-12-03 18:04 +0000
        Re: Python handles globals badly. sohcahtoa82@gmail.com - 2014-12-03 10:16 -0800
          Re: Python handles globals badly. Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-12-04 11:57 +1100
            Re: Python handles globals badly. Chris Angelico <rosuav@gmail.com> - 2014-12-04 12:10 +1100
            Re: Python handles globals badly. Joel Goldstick <joel.goldstick@gmail.com> - 2014-12-03 20:23 -0500
          Re: Python handles globals badly. Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2014-12-03 22:57 -0500
          Re: Python handles globals badly. Michael Torrie <torriem@gmail.com> - 2014-12-03 21:11 -0700
  Re: Python handles globals badly. Ben Finney <ben+python@benfinney.id.au> - 2014-12-03 14:21 +1100
  Re: Python handles globals badly. "Skybuck Flying" <skybuck2000@hotmail.com> - 2014-12-03 05:17 +0100
    Re: Python handles globals badly. Chris Angelico <rosuav@gmail.com> - 2014-12-03 15:36 +1100
    Re: Python handles globals badly. Tony the Tiger <tony@tiger.invalid> - 2014-12-04 20:27 +0000
  Re: Python handles globals badly. Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-12-03 12:35 +0000
    Re: Python handles globals badly. "Skybuck Flying" <skybuck2000@hotmail.com> - 2014-12-04 00:02 +0100
      Re: Python handles globals badly. Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-12-04 01:32 +0000
      Re: Python handles globals badly. Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2014-12-03 23:01 -0500
      Re: Python handles globals badly. jtan <admin@grails.asia> - 2014-12-04 13:03 +0800
        Re: Python handles globals badly. Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-12-04 22:35 +1100
          Re: Python handles globals badly. jtan <admin@grails.asia> - 2014-12-04 22:38 +0800
      Re: Python handles globals badly. Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-12-04 10:24 +0000
      Re: Python handles globals badly. Chris Angelico <rosuav@gmail.com> - 2014-12-04 21:29 +1100
        Re: Python handles globals badly. Marko Rauhamaa <marko@pacujo.net> - 2014-12-04 14:51 +0200
          Re: Python handles globals badly. Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2014-12-04 20:56 -0500
          Re: Python handles globals badly. William Ray Wing <wrw@mac.com> - 2014-12-04 23:17 -0500
      Re: Python handles globals badly. alister <alister.nospam.ware@ntlworld.com> - 2014-12-04 19:54 +0000
  Re: Python handles globals badly. Peter Pearson <pkpearson@nowhere.invalid> - 2014-12-03 20:31 +0000

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