Python

Are the following supported in scipy.sparse
I wanted to know if scipy.sparse support or will support the following functions which are available in scipy.linalg or scipy or numpy: Inverse Cholesky SVD multiply power append eig concatenate Thanks... ... 1 Jul 2008 04:07

PyPy questions
I read the website of some information about PyPy, and how a translator translates the RPython code to C/CLI/Java/etc to be compiled to a native executable or something like that. Would it be possible, in PyPy, to write such an extension that could easily be compiled to native code from Python code? Is this f... 1 Jul 2008 08:12

lxml validation and xpath id function
Hi I'm trying to use the .xpath('id("foo")') function on an lxml tree but can't get it to work. Given the following XML: <root><child id="foo"/></root> And it's XMLSchema: <?xml version="1.0" encoding="UTF-8"?> <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified"> <xs:... 2 Jul 2008 12:55

Functions associated with a class.
Hi, I start to learn the object oriented programing in Python. As far as I understood, every class has a set of corresponding methods and variables. For me it is easy to understand a method as a one-argument function associated with a class. For example, if I call "x.calc" and "y.calc" and if "x" and "y" belongs... 1 Jul 2008 06:10

Male participants needed for body image research
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The Yield statement
Okay, so i don't really understand the Yield thing and i know it is useful. I've read a few things about it but it is all programming jargon and so basically it is hard for me to understand. So can anyone give me a description or link me to a site that has a good definition and/or examples of it? If you cou... 7 Jul 2008 17:39

Freesoftware for auto/intelligent code completing in Python
I don't want to be so mean here, but how hard it could be be writing a freesoftware which would automatically/intelligently auto complete Python code? (I mean something that really does the job, like Microsoft's Visual Studio or Sun's NetBeans or something else, you name it, but just don't give me PyDev please...) ... 10 Jul 2008 06:11

URLLIb2 problem
On Mon, Jun 30, 2008 at 4:11 PM, <leechat2001(a)gmail.com> wrote: I am trying to write somecode of this kind :) opener = urllib2.build_opener(urllib2.HTTPCookieProcessor()) opener.addheaders = [ .... ('Accept-Encoding','gzip,deflate'), .... urllib2.install_opener(opener) fu = urllib2.urlopen('h... 30 Jun 2008 16:51

Strings are better than lists for the tree to string operation.
> |    def __str__ (self): string appending is an O(n**2) operations.  The usual idiom, applied here, would be slist = ['('], slist.append(str(self.value)), .... return ''.join(slist).  In other words, collect list of pieces and join at end. I did some timing of operations involved. Doing this I found t... 30 Jun 2008 16:51

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