Re: [OVC-demo-team] Random ballot generator

From: Anand Pillai <anand_pillai_at_fastmail_dot_fm>
Date: Mon Mar 08 2004 - 00:08:07 CST

Why dont you supply a copy of TPIP to every developer
in this list at a nominal price, say 50% of the published
price? :-)

It would suite me very well...

Jokes apart, I could not find a copy of this book in Indian
(mean Bangalore) book shops. Have you made arrangements with
your publishers to publish a low priced edition for publication
in Asian countries?

Thanks

-Anand

----- Original message -----
From: "David Mertz" <voting-project@gnosis.cx>
To: OVC-demo-team@lists.sonic.net
Date: Sat, 6 Mar 2004 15:05:12 -0500
Subject: Re: [OVC-demo-team] Random ballot generator

On Saturday, March 6, 2004, at 02:23 PM, Jan Karrman wrote:
>> (1) Append to a list, then join the list at the end:
>> (2) Use cStringIO to buffer lines:

> Thanks for the tips!
> You may recall that I did not know Python at all when I joined the
> project.

Hi Jan,

I do... you've certainly done remarkably great work in a language you
just picked up! Python does make it easier to jump in than most
though. But even so, not many programmers come close to Jan's
achievements.

The string concatenation is a definite pitfall. Coming from a lot of
languages, users tend to think of appending to a string as being
similar to appending to a list/array (it is in lots of languages).
I.e. a list.append() is an O(1) complexity operation (on average, an
occasional more-expensive pre-allocation is needed, but the asymptotic
cost goes to zero). However "s += s2" is an O(N) operation in Python.

> I still haven't read any book on the subject - do you know of any good
> one? ;-)

Well... I *AM* fond of _Text Processing in Python_:
http://gnosis.cx/TPiP/

Btw. If you'd like a copy, Jan, I'd be happy to arrange for my
publisher to send you a review copy. Let me know address information.
The same applies to a limited degree for any other list members (but
especially those with academic-looking addresses).

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-- 
  Anand Pillai
  anand_pillai@fastmail.fm
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Received on Thu Apr 1 02:40:26 2004

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