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Groups > comp.lang.python > #99752
| From | Terry Reedy <tjreedy@udel.edu> |
|---|---|
| Newsgroups | comp.lang.python |
| Subject | Re: Question about code writing '% i, callback' |
| Date | 2015-11-30 12:36 -0500 |
| Message-ID | <mailman.45.1448905059.14615.python-list@python.org> (permalink) |
| References | <25af8ac3-5fc7-44bd-a73f-7a870b69515a@googlegroups.com> |
On 11/30/2015 11:44 AM, fl wrote:
> I come across the following code snippet.
> for i in range(10):
> def callback():
> print "clicked button", i
> UI.Button("button %s" % i, callback)
> http://effbot.org/zone/default-values.htm
Note that the above is an intentional example of common buggy code. It
is followed by a version that works, with 'i=i' added to the callback
header.
--
Terry Jan Reedy
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Question about code writing '% i, callback' fl <rxjwg98@gmail.com> - 2015-11-30 08:44 -0800
Re: Question about code writing '% i, callback' Zachary Ware <zachary.ware+pylist@gmail.com> - 2015-11-30 10:53 -0600
Re: Question about code writing '% i, callback' Zachary Ware <zachary.ware+pylist@gmail.com> - 2015-11-30 10:54 -0600
Re: Question about code writing '% i, callback' Ian Kelly <ian.g.kelly@gmail.com> - 2015-11-30 11:01 -0600
Re: Question about code writing '% i, callback' fl <rxjwg98@gmail.com> - 2015-11-30 10:55 -0800
Re: Question about code writing '% i, callback' Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2015-11-30 20:44 -0500
Re: Question about code writing '% i, callback' Ian Kelly <ian.g.kelly@gmail.com> - 2015-12-01 09:53 -0600
Re: Question about code writing '% i, callback' fl <rxjwg98@gmail.com> - 2015-11-30 09:36 -0800
Re: Question about code writing '% i, callback' Ian Kelly <ian.g.kelly@gmail.com> - 2015-11-30 11:24 -0700
Re: Question about code writing '% i, callback' Terry Reedy <tjreedy@udel.edu> - 2015-11-30 12:36 -0500
Re: Question about code writing '% i, callback' fl <rxjwg98@gmail.com> - 2015-11-30 09:50 -0800
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