On Tue, Jan 1, 2013 at 12:07 AM, Steven D'Aprano wrote:
>
> Again, I was mistaken. x%1 is not suitable to get the fraction part of a
> number in Python: it returns the wrong result for negative values. You need
> math.modf:
>
> py> x = -99.25
> py> x % 1 # want -0.25
> 0.75
> py> math.modf(x)
> (
Steven D'Aprano wrote:
> Notice that tests are not necessarily definitive. I haven't tested that
> spam(n) returns a string for every imaginable integer n, because there
> are too many. Instead, I just test a small, representative sample.
>
> Likewise I haven't tested that spam() might succeed wh
> Hi,
>
> I am trying to learn a bit of test-driven programming using unittests and
> nosetests. I am having trouble finding resources that explain how to write
> effective tests. I am not a programmer or a student, so I do not have access
> to
> collegues or classes. I'm hoping that someon
On Tue, Jan 1, 2013 at 1:29 AM, Steven D'Aprano wrote:
>
> 2 Since "wide builds" use so much extra memory for the average ASCII
> string, hardly anyone uses them.
On Windows (and I think OS X, too) a narrow build has been practical
since the wchar_t type is 16-bit. As to Linux I'm most familiar
On 2 January 2013 17:59, Alan Gauld wrote:
> On 01/02/2013 11:41 AM, Steven D'Aprano wrote:
>
>[SNIP]
>> But __index__ is a special method that converts to int without rounding
>> or truncating, intended only for types that emulate ints but not other
>> numeric types:
>
>
> And this was the new bi
On 03/01/13 23:52, eryksun wrote:
On Tue, Jan 1, 2013 at 1:29 AM, Steven D'Aprano wrote:
2 Since "wide builds" use so much extra memory for the average ASCII
string, hardly anyone uses them.
On Windows (and I think OS X, too) a narrow build has been practical
since the wchar_t type is 16-
Hello PythonTutor
- I'm a scientist and very happy with python 2.7. I have been asked to
assist a development program where everything is written in dotNET/ C#
(visual studio 2012) and luckily Microsoft Visual Studio supports
IronPython which is a clean Python implementation in C#, so I can use the
* Albert-Jan Roskam wrote:
>
>
> > Hi,
>
> >
> > I am trying to learn a bit of test-driven programming using unittests and
> > nosetests. I am having trouble finding resources that explain how to write
> > effective tests. I am not a programmer or a student, so I do not have
> > access to
I think what I need is a conceptual shift: how do python programmers use
> unittests?
>
>
Here at the Library, we use unit test to test the cases that have many
known inputs. For example, some of the data could come in "foo bar baz",
and some others could come in as "foo, bar, baz", and others coul
I don't know if it's appropriate to post things like this on the list, but
I've learned a lot from this group and thought I'd share something I think
you all will enjoy:
http://www.thehelloworldprogram.com/videos/poetry-corner-red-wheelbarrow/
___
Tutor m
On 03/01/13 19:46, Luke Thomas Mergner wrote:
What am I missing? The biggest problem is that no one is explaining the
rationale behind testing.
See my other reply and check out the references to programming by
contract, pre/post conditions and invariants. Those are all good things
to test. I
Bjorn Madsen wrote:
>
> Hello PythonTutor
> - I'm a scientist and very happy with python 2.7. I have been asked to assist
> a development program where
> everything is written in dotNET/ C# (visual studio 2012) and luckily
> Microsoft Visual Studio supports IronPython
> which is a clean Python i
Hi Luke,
My responses inline below.
On 04/01/13 06:46, Luke Thomas Mergner wrote:
I am on the digest version of the list, so I haven't gotten a copy of
any replies.
All the more reason not to be on the digest version. But you should have
received replies *in the digest*.
(By the way, thank
On 03/01/13 18:37, Bjorn Madsen wrote:
However ... to interact with the c# modules which my colleagues wrote, I
need to add "clr" references.
Example:
import clr
clr.AddReferenceToFile("Mapack.dll")
from Mapack import *
dir()
Unfortunately I can't get it to run
So does anything work? Is th
On 3 January 2013 14:46, Luke Thomas Mergner wrote:
> * Albert-Jan Roskam wrote:
>
>>
>>
>> > Hi,
>>
>> >
>> > I am trying to learn a bit of test-driven programming using unittests and
>> > nosetests. I am having trouble finding resources that explain how to write
>> > effective tests. I am not a
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