On 04/07/10 14:18, Steven D'Aprano wrote:
> I could have used None, or "root", or "this is a magic value that
> probably won't clash with an entry in the tree", or -1 as a sentinel
> instead, but they all risk accidental clashes with tree entries.
Especially when you want to consider the possibi
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On 04/07/10 04:11, Gustavo Narea wrote:
> Hello!
>
> Could you please confirm whether my understanding of equality
> operations in sets and lists is correct? This is how I think things
> work, partially based on experimentation and the online documentation
> for Python:
>
> When you compare two l
On Tue, 06 Apr 2010 16:54:18 +, Duncan Booth wrote:
> Albert van der Horst wrote:
>
>> Old hands would have ...
>> stamp =( weight>=1000 and 120 or
>> weight>=500 and 100 or
>> weight>=250 and 80 or
>> weight>=100 and 60 or
>>
On Tue, 06 Apr 2010 19:16:05 +0200, egbert wrote:
> On Sun, Apr 04, 2010 at 12:10:02PM +, Steven D'Aprano wrote:
>
>> I can implement this tree using a flat dict:
>>
>> root = object()
>> data = {root: ['Mammal', 'Reptile'],
>
> What is the advantage, or thougth behind, using an instance o
On Apr 6, 11:10 pm, Patrick Maupin wrote:
> On Apr 6, 11:04 pm, Patrick Maupin wrote:
>
>
>
> > On Apr 6, 10:16 pm, monkeys paw wrote:
>
> > > I have the following acre meter which works for integers,
> > > how do i convert this to float? I tried
>
> > > return float ((208.0 * 208.0) * n)
>
> >
On Apr 6, 11:04 pm, Patrick Maupin wrote:
> On Apr 6, 10:16 pm, monkeys paw wrote:
>
> > I have the following acre meter which works for integers,
> > how do i convert this to float? I tried
>
> > return float ((208.0 * 208.0) * n)
>
> > >>> def s(n):
> > ... return lambda x: (208 * 208) * n
On 2010-04-07, Lie Ryan wrote:
> On 04/07/10 02:22, Grant Edwards wrote:
>> On 2010-04-06, Grant Edwards wrote:
>>> On 2010-04-06, Jean-Michel Pichavant wrote:
Pablo Recio Quijano wrote:
> Why must be commercial, when there is open and free alternatives? Like
> GNU Plot.
On Apr 6, 10:16 pm, monkeys paw wrote:
> I have the following acre meter which works for integers,
> how do i convert this to float? I tried
>
> return float ((208.0 * 208.0) * n)
>
> >>> def s(n):
> ... return lambda x: (208 * 208) * n
> ...
> >>> f = s(1)
> >>> f(1)
> 43264
> >>> 208 * 2
* jdbosmaus:
Pretty new to Python, but I thought I understood what is meant by "an
assignment is a reference."
Until I tried to understand this.
Here is a (fragment of an) event handler for a group of three wxPython
toggle buttons. The idea is to change the appearance of the label of
the button
On 2010-04-06 19:51:07 -0700, jdbosmaus said:
Pretty new to Python, but I thought I understood what is meant by "an
assignment is a reference."
An assignment isn't really a reference, it binds a name to an object.
Not quite the same thing. But, what's really the problem here is --
wxPython i
On Tue, Apr 6, 2010 at 2:11 PM, Gustavo Narea wrote:
> Hello!
>
> Could you please confirm whether my understanding of equality
> operations in sets and lists is correct? This is how I think things
> work, partially based on experimentation and the online documentation
> for Python:
>
> When you c
On Tue, Apr 6, 2010 at 7:51 PM, jdbosmaus wrote:
> Pretty new to Python, but I thought I understood what is meant by "an
> assignment is a reference."
I recommend the effbot's treatment of the calling semantics:
http://effbot.org/zone/call-by-object.htm
...But I don't think that's the issue here
I have the following acre meter which works for integers,
how do i convert this to float? I tried
return float ((208.0 * 208.0) * n)
>>> def s(n):
... return lambda x: (208 * 208) * n
...
>>> f = s(1)
>>> f(1)
43264
>>> 208 * 208
43264
>>> f(.25)
43264
--
http://mail.python.org/mailman/listi
Pretty new to Python, but I thought I understood what is meant by "an
assignment is a reference."
Until I tried to understand this.
Here is a (fragment of an) event handler for a group of three wxPython
toggle buttons. The idea is to change the appearance of the label of
the button that was press
On 04/06/10 19:47, Peter Otten wrote:
> Tim Eichholz wrote:
>
>> I think maybe I am using the wrong function. I want to paste the
>> entire 192x192 contents of cols[f] into newimage. I would think it
>> works like newimage.paste(cols[f], (x, 0, 192+x, 192)) if that's not
>> it I think I'm missing
On 04/07/10 02:22, Grant Edwards wrote:
> On 2010-04-06, Grant Edwards wrote:
>> On 2010-04-06, Jean-Michel Pichavant wrote:
>>> Pablo Recio Quijano wrote:
Why must be commercial, when there is open and free alternatives? Like
GNU Plot.
>>>
>>> Gnuplot is ugly. I'm using it because I d
On Apr 6, 7:02 pm, James Stroud
wrote:
> Hello All,
>
> I want to use an s-expression based configuration file format for a
> python program I'm writing. Does anyone have a favorite parser?
>
The pyparsing wiki includes this parser on its Examples page:
http://pyparsing.wikispaces.com/file/view/s
Manuel Graune wrote:
Manuel Graune writes:
The use-case is acually fairly simple. The point is to use a python
source-file as subsitute for scrap-paper (with the opportunity to
edit what is already written and without illegible handwriting).
The output should 1) show manually selected python c
On Apr 6, 7:02 pm, James Stroud
wrote:
I have a parser/emitter I wrote about 4 years ago for EDIF. Take a
look at the wikipedia article http://en.wikipedia.org/wiki/EDIF
If that is close to you want, I can send it to you. The whole parser/
emitter/XML round-tripper etc. is only 500 lines, whic
Manuel Graune wrote:
Hello everyone,
I am looking for ways to use a python file as a substitute for simple
pen and paper calculations. At the moment I mainly use a combination
of triple-quoted strings, exec and print (Yes, I know it's not exactly
elegant). To clarify, I just start an editor, wri
Hello All,
I want to use an s-expression based configuration file format for a
python program I'm writing. Does anyone have a favorite parser?
I'm currently using sexpy.parse() (http://pypi.python.org/pypi/sexpy)
which works very well but I don't know how secure it is. Does anyone
have exper
On Sun, Apr 4, 2010 at 5:20 PM, Paul Rubin wrote:
[...]
>
> d[r] = list(r for r in [4,5,6])
>
This have a slightly performance difference. I think mainly the
generator's next() call.
In [1]: %timeit list(r for r in range(1))
100 loops, best of 3: 2.78 ms per loop
In [2]: %timeit [r for r
Lie Ryan wrote:
in python there is only a flat
local namespace and the names resolver becomes a thousand times simpler
No, it doesn't. The compiler already has to deal with multiple
scopes for nested functions. There may be some simplification,
but not a lot.
The main reason is linguistic. Hav
you may have a look at sage:
http://www.sagemath.org/
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On Mon, 05 Apr 2010 22:03:00 +0200 News123 wrote:
> Andreas Waldenburger wrote:
> > On Mon, 05 Apr 2010 13:48:15 +0200 News123 wrote:
> >
> >> Martin P. Hellwig wrote:
> >>> On 04/05/10 00:05, r wrote:
> >>>
> However i have also considered that maybe *all* the "well knowns"
> are in
Johan Gr wrote:
Manuel Graune skrev:
Thanks for your reply.
The output should 1) show manually selected python code and comments
(whatever I think is important), 2) show selected results (final and
intermediate) and 3) *not* show python code that for someone only
interested in the calculati
ja1lbr3ak wrote:
I'm trying to teach myself Python, and so have been simplifying a
calculator program that I wrote. The original was 77 lines for the
same functionality. Problem is, I've hit a wall. Can anyone help?
loop = input("Enter 1 for the calculator, 2 for the Fibonacci
sequence, or somet
Manuel Graune skrev:
Manuel Graune writes:
Just as an additional example, let's assume I'd want to add the area of
to circles.
[...]
which can be explained to anyone who knows
basic math and is not at all interested in
python.
Third attempt. The markup now includes tagging of different parts
:slaps forehead:
good catch.
On Tue, Apr 6, 2010 at 5:18 PM, Gustavo Narea wrote:
> On Apr 6, 7:28 pm, Chris Colbert wrote:
>> the proof is in the pudding:
>>
>> In [1]: a = range(1)
>>
>> In [2]: s = set(a)
>>
>> In [3]: s2 = set(a)
>>
>> In [5]: b = range(1)
>>
>> In [6]: a == b
>> Ou
On Apr 6, 11:04 pm, ja1lbr3ak wrote:
> On Apr 6, 4:56 pm, Joaquin Abian wrote:
>
>
>
> > On Apr 6, 9:04 pm, ja1lbr3ak wrote:
>
> > > I'm trying to teach myself Python, and so have been simplifying a
> > > calculator program that I wrote. The original was 77 lines for the
> > > same functionality
Manuel Graune skrev:
Thanks for your reply.
The output should 1) show manually selected python code and comments
(whatever I think is important), 2) show selected results (final and
intermediate) and 3) *not* show python code that for someone only
interested in the calculation and the results
Manuel Graune writes:
>
> The use-case is acually fairly simple. The point is to use a python
> source-file as subsitute for scrap-paper (with the opportunity to
> edit what is already written and without illegible handwriting).
> The output should 1) show manually selected python code and commen
Manuel Graune writes:
>
> The use-case is acually fairly simple. The point is to use a python
> source-file as subsitute for scrap-paper (with the opportunity to
> edit what is already written and without illegible handwriting).
> The output should 1) show manually selected python code and commen
On Apr 6, 7:28 pm, Chris Colbert wrote:
> the proof is in the pudding:
>
> In [1]: a = range(1)
>
> In [2]: s = set(a)
>
> In [3]: s2 = set(a)
>
> In [5]: b = range(1)
>
> In [6]: a == b
> Out[6]: True
>
> In [7]: s == s2
> Out[7]: True
>
> In [8]: %timeit a == b
> 1000 loops, best of 3: 2
On Apr 6, 4:56 pm, Joaquin Abian wrote:
> On Apr 6, 9:04 pm, ja1lbr3ak wrote:
>
>
>
>
>
> > I'm trying to teach myself Python, and so have been simplifying a
> > calculator program that I wrote. The original was 77 lines for the
> > same functionality. Problem is, I've hit a wall. Can anyone help
Thanks for your reply.
Johan Grönqvist writes:
> Manuel Graune skrev:
>> To clarify, I just start an editor, write a file that
>> might look something like this:
>>
>> -snip-
>> code="""
>> a = 1
>> b = 2
>> c = 3
>> result = a + b
>> """
>> exec(code)
>> print(code)
>> print("result
On Apr 6, 9:04 pm, ja1lbr3ak wrote:
> I'm trying to teach myself Python, and so have been simplifying a
> calculator program that I wrote. The original was 77 lines for the
> same functionality. Problem is, I've hit a wall. Can anyone help?
>
> loop = input("Enter 1 for the calculator, 2 for the F
Op dinsdag 06-04-2010 om 14:55 uur [tijdzone -0500], schreef Christopher
Choi:
> On Tue, 06 Apr 2010 21:23:34 +0200, Rolf Camps wrote:
>
> > Hi,
> >
> > What's the easiest way to plot graphs in python 3.x? Ís there a package?
> > Quality doesn't really matter.
> >
> > Thanks,
> >
> > Rolf
> > H
On Apr 6, 4:17 pm, Christopher Choi wrote:
> On Tue, 06 Apr 2010 13:14:44 -0700, ja1lbr3ak wrote:
> > On Apr 6, 4:06 pm, Christopher Choi wrote:
> >> On Tue, 06 Apr 2010 12:04:20 -0700, ja1lbr3ak wrote:
> >> > I'm trying to teach myself Python, and so have been simplifying a
> >> > calculator pro
On 6 avr, 20:14, "Albert W. Hopkins" wrote:
> On Tue, 2010-04-06 at 08:38 -0700, Robbie wrote:
> > Hi all,
>
> > So, I'm trying to use Python with an apache2 server to create some web
> > pages. The web server is configured and seems to work correctly, but
> > only with a certain type of script.
Manuel Graune skrev:
To clarify, I just start an editor, write a file that
might look something like this:
-snip-
code="""
a = 1
b = 2
c = 3
result = a + b
"""
exec(code)
print(code)
print("result =\t", result)
print("result + c =\t", result + c)
-snip--
and feed thi
On Tue, 06 Apr 2010 13:14:44 -0700, ja1lbr3ak wrote:
> On Apr 6, 4:06 pm, Christopher Choi wrote:
>> On Tue, 06 Apr 2010 12:04:20 -0700, ja1lbr3ak wrote:
>> > I'm trying to teach myself Python, and so have been simplifying a
>> > calculator program that I wrote. The original was 77 lines for the
On 2010-04-03 18:09, mcanjo wrote:
I have an executable (I don't have access to the source code) that
processes some data. I double click on the icon and a Command prompt
window pops up. The program asks me for the input file, I hit enter,
and then it asks me for and output filename, I hit enter
On Apr 6, 4:06 pm, Christopher Choi wrote:
> On Tue, 06 Apr 2010 12:04:20 -0700, ja1lbr3ak wrote:
> > I'm trying to teach myself Python, and so have been simplifying a
> > calculator program that I wrote. The original was 77 lines for the same
> > functionality. Problem is, I've hit a wall. Can an
On 06/04/2010 20:26, Kevin Holleran wrote:
Hello,
I am sweeping some of our networks to find devices. When I find a
device I try to connect to the registry using _winreg and then query a
specific key that I am interested in. This works great for machines
that are on our domain, but there are l
On Tue, 06 Apr 2010 12:04:20 -0700, ja1lbr3ak wrote:
> I'm trying to teach myself Python, and so have been simplifying a
> calculator program that I wrote. The original was 77 lines for the same
> functionality. Problem is, I've hit a wall. Can anyone help?
>
> loop = input("Enter 1 for the calcu
On Tue, 06 Apr 2010 21:23:34 +0200, Rolf Camps wrote:
> Hi,
>
> What's the easiest way to plot graphs in python 3.x? Ís there a package?
> Quality doesn't really matter.
>
> Thanks,
>
> Rolf
> Hi,
>
> What's the easiest way to plot graphs in python 3.x? Ís there a package?
> Quality doesn't re
On 6-4-2010 8:22, Luis M. González wrote:
The above post gave me an idea (very naive, of couse).
What if I write a simple decorator to figure out the types of every
function, and then we use it as a base for a simple method-jit
compiler for python?
example:
def typer(f):
def wrap(*args):
Hi,
What's the easiest way to plot graphs in python 3.x? Ís there a package?
Quality doesn't really matter.
Thanks,
Rolf
signature.asc
Description: Dit berichtdeel is digitaal ondertekend
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Hello,
I am sweeping some of our networks to find devices. When I find a
device I try to connect to the registry using _winreg and then query a
specific key that I am interested in. This works great for machines
that are on our domain, but there are left over machines that are
stand alone and th
I'm trying to teach myself Python, and so have been simplifying a
calculator program that I wrote. The original was 77 lines for the
same functionality. Problem is, I've hit a wall. Can anyone help?
loop = input("Enter 1 for the calculator, 2 for the Fibonacci
sequence, or something else to quit:
Hello everyone,
I am looking for ways to use a python file as a substitute for simple
pen and paper calculations. At the moment I mainly use a combination
of triple-quoted strings, exec and print (Yes, I know it's not exactly
elegant). To clarify, I just start an editor, write a file that
might lo
On 04/06/10 19:52, sapient wrote:
> Lie Ryan, thank you for your answer!
>> Why would you want to translate docstring? Docstring is meant for
>> developers not users.
> I have mentioned that I want to provide API for existing image-
> processing applicaion in Python.
> In my case "developers" are "
On 2010-04-06, Duncan Booth wrote:
> Grant Edwards wrote:
>
>> Seriously, most of the graphs I've seen in "presentations" would make
>> Ed Tufte spin in his grave.
>
> http://flowingdata.com/2010/03/20/powerpoint-and-dying-kittens/
:)
Years ago I was walking past a marketing guy's cube, and on
the proof is in the pudding:
In [1]: a = range(1)
In [2]: s = set(a)
In [3]: s2 = set(a)
In [5]: b = range(1)
In [6]: a == b
Out[6]: True
In [7]: s == s2
Out[7]: True
In [8]: %timeit a == b
1000 loops, best of 3: 204 us per loop
In [9]: %timeit s == s2
1 loops, best of 3: 124 us
On 2010-04-06, superpollo wrote:
> Grant Edwards ha scritto:
>> On 2010-04-06, Grant Edwards wrote:
>>> On 2010-04-06, Jean-Michel Pichavant wrote:
Pablo Recio Quijano wrote:
> Why must be commercial, when there is open and free alternatives? Like
> GNU Plot.
Gnuplot is ugly.
On 2010-04-06 11:44 AM, superpollo wrote:
Grant Edwards ha scritto:
On 2010-04-06, Grant Edwards wrote:
On 2010-04-06, Jean-Michel Pichavant wrote:
Pablo Recio Quijano wrote:
Why must be commercial, when there is open and free alternatives?
Like GNU Plot.
Gnuplot is ugly. I'm using it beca
Hello!
Could you please confirm whether my understanding of equality
operations in sets and lists is correct? This is how I think things
work, partially based on experimentation and the online documentation
for Python:
When you compare two lists, *every* element of one of the lists is
compared ag
On Tue, 2010-04-06 at 08:38 -0700, Robbie wrote:
> Hi all,
>
> So, I'm trying to use Python with an apache2 server to create some web
> pages. The web server is configured and seems to work correctly, but
> only with a certain type of script.
>
> For instance, this script works fine
>
> #!/usr/
On 04/07/10 03:23, gerardob wrote:
> The error below appears. In the case i remove the comment to initialize m2,
> the same thing happens. Any ideas on how to fix this?
>
When unpickling a user-defined class, you unpickling module must have
access to the original class definition. This means if
gerardob wrote:
> Hello, I am new to python and i have a problem using the pickle load
> function.
> I have an object m of the class MarkovModel and i want to copy it to a
> file and load it onto another class:
>
> l=[1,2,3]
> m = markov_model.MarkovModel()
> m.load_observations(l)
> file = open(
On 04/06/10 23:52, Tim Arnold wrote:
> Hi,
> I have a few classes that manipulate documents. One is really a
> process that I use a class for just to bundle a bunch of functions
> together (and to keep my call signatures the same for each of my
> manipulator classes).
>
> So my question is whether
Sorry this is a forward (long story involving a braille notetaker's
bad copy/paste and GMail's annoying mobile site). Basically, I am
getting errors when I run the project at
http://www.gateway2somewhere.com/sw.zip
and I do not understand why. The bad line was working until I added
more import stat
Hello, I am new to python and i have a problem using the pickle load
function.
I have an object m of the class MarkovModel and i want to copy it to a file
and load it onto another class:
l=[1,2,3]
m = markov_model.MarkovModel()
m.load_observations(l)
file = open("prueba.txt", 'w')
pickle.dump(m,f
On Sun, Apr 04, 2010 at 12:10:02PM +, Steven D'Aprano wrote:
> I can implement this tree using a flat dict:
>
> root = object()
> data = {root: ['Mammal', 'Reptile'],
What is the advantage, or thougth behind, using an instance
of object as the root of your flat tree ?
egbert
--
Egbert Bo
I am just looking at the PSF license now as it goes. It does appear
that we should be able to continue using matplotlib. - the
restrictions on open-source that have been imposed specifically state
it is fine to use the python language, and if matplotlib has the same
license I personally can't see a
Greetings Python fans,
Don't miss your chance to attend our upcoming Florida
Python training seminar later this month. This 3-day
public class will be held on April 27-29, in Sarasota,
Florida. It is open to both individuals and groups.
For more details on the class, as well as registration
inst
Grant Edwards wrote:
> Seriously, most of the graphs I've seen in "presentations" would make
> Ed Tufte spin in his grave.
http://flowingdata.com/2010/03/20/powerpoint-and-dying-kittens/
--
http://mail.python.org/mailman/listinfo/python-list
Albert van der Horst wrote:
> Old hands would have ...
> stamp =( weight>=1000 and 120 or
> weight>=500 and 100 or
> weight>=250 and 80 or
> weight>=100 and 60 or
>44 )
>
> (Kind of a brain twister, I think, inf
Robbie ha scritto:
Hi all,
So, I'm trying to use Python with an apache2 server to create some web
pages. The web server is configured and seems to work correctly, but
only with a certain type of script.
For instance, this script works fine
#!/usr/bin/env python
def index():
s = "Hello Wor
Grant Edwards ha scritto:
On 2010-04-06, Grant Edwards wrote:
On 2010-04-06, Jean-Michel Pichavant wrote:
Pablo Recio Quijano wrote:
Why must be commercial, when there is open and free alternatives? Like
GNU Plot.
Gnuplot is ugly. I'm using it because I don't care if it's ugly but it
clearl
On 04/06/2010 10:05 AM, AlienBaby wrote:
> The requirement for a commercial license comes down to being
> restricted to not using any open source code. If it's an open source
> license it can't be used in our context.
Python itself and all its standard libraries are open source, under the
PSF lice
On 2010-04-06 09:34:04 -0700, Lie Ryan said:
in python there is only a flat
local namespace and the names resolver becomes a thousand times simpler
(and faster).
This hasn't been true for a long time. Yes, local variables are
optimized to be indexed in an array, but Python has nested scopes f
On Tue, Apr 6, 2010 at 9:05 AM, AlienBaby wrote:
> On Apr 6, 4:24 pm, Jean-Michel Pichavant
> wrote:
>> Pablo Recio Quijano wrote:
>> > Why must be commercial, when there is open and free alternatives? Like
>> > GNU Plot.
>>
>> Gnuplot is ugly. I'm using it because I don't care if it's ugly but i
En Tue, 06 Apr 2010 06:52:57 -0300, sapient
escribió:
Lie Ryan, thank you for your answer!
Why would you want to translate docstring? Docstring is meant for
developers not users.
I have mentioned that I want to provide API for existing image-
processing applicaion in Python.
In my case "dev
On 2010-04-06, Grant Edwards wrote:
> On 2010-04-06, Jean-Michel Pichavant wrote:
>> Pablo Recio Quijano wrote:
>>> Why must be commercial, when there is open and free alternatives? Like
>>> GNU Plot.
>>
>> Gnuplot is ugly. I'm using it because I don't care if it's ugly but it
>> clearly lacks
On Apr 6, 11:05 am, AlienBaby wrote:
> The requirement for a commercial license comes down to being
> restricted to not using any open source code. If it's an open source
> license it can't be used in our context.
You may be misunderstanding this issue, I think you are equating "open
source" with
--- On Tue, 4/6/10, AlienBaby wrote:
> From: AlienBaby
> Subject: Re: Recommend Commercial graphing library
> To: python-list@python.org
> Date: Tuesday, April 6, 2010, 12:05 PM
> On Apr 6, 4:24 pm, Jean-Michel
> Pichavant
> wrote:
> > Pablo Recio Quijano wrote:
> > > Why must be commercial, wh
On 2010-04-06, Jean-Michel Pichavant wrote:
> Pablo Recio Quijano wrote:
>> Why must be commercial, when there is open and free alternatives? Like
>> GNU Plot.
>
> Gnuplot is ugly. I'm using it because I don't care if it's ugly but it
> clearly lacks of look & feel for presentations, as requeste
On Apr 6, 4:24 pm, Jean-Michel Pichavant
wrote:
> Pablo Recio Quijano wrote:
> > Why must be commercial, when there is open and free alternatives? Like
> > GNU Plot.
>
> Gnuplot is ugly. I'm using it because I don't care if it's ugly but it
> clearly lacks of look & feel for presentations, as requ
En Tue, 06 Apr 2010 07:23:19 -0300, Luis M. González
escribió:
On 6 abr, 03:40, Chris Rebert wrote:
2010/4/5 Luis M. González :
> This post gave me an
idea:http://groups.google.com/group/comp.lang.python/msg/5d75080707104b76
> What if I write a simple decorator to figure out the ty
On 04/07/10 00:16, Albert van der Horst wrote:
> In article ,
> Peter Otten <__pete...@web.de> wrote:
>> Pierre Quentel wrote:
>>
>>> I'm surprised nobody proposed a solution with itertools ;-)
>>
>> next(itertools.takewhile(lambda _: a == b, ["yes"]), "no")
>
> I could learn something here, if y
Hi all,
So, I'm trying to use Python with an apache2 server to create some web
pages. The web server is configured and seems to work correctly, but
only with a certain type of script.
For instance, this script works fine
#!/usr/bin/env python
def index():
s = "Hello World"
return s
But
On 04/06/10 18:42, Alain Ketterlin wrote:
> Alain Ketterlin writes:
>
>> d = dict()
>> for r in [1,2,3]:
>> d[r] = [r for r in [4,5,6]]
>> print d
>
> Thanks to Chris and Paul for the details (the list comp. r actually
> leaks). I should have found this by myself.
>
> My background is more
On Wed, Apr 7, 2010 at 1:19 AM, Jean-Michel Pichavant <
jeanmic...@sequans.com> wrote:
> Usually, when using classes as namespace, functions are declared as static
> (or as classmethod if required).
> e.g.
>
>
> class Foo:
> @classmethod
> def process(cls, document):
> print 'process of'
On Mon, 2010-04-05 at 22:45 -0700, Luis M. González wrote:
> The above post gave me an idea (very naive, of couse).
> What if I write a simple decorator to figure out the types of every
> function, and then we use it as a base for a simple method-jit
> compiler for python?
I think its what done be
Pablo Recio Quijano wrote:
Why must be commercial, when there is open and free alternatives? Like
GNU Plot.
Gnuplot is ugly. I'm using it because I don't care if it's ugly but it
clearly lacks of look & feel for presentations, as requested by the OP.
You have
http://matplotlib.sourceforge.ne
Tim Arnold wrote:
Hi,
I have a few classes that manipulate documents. One is really a
process that I use a class for just to bundle a bunch of functions
together (and to keep my call signatures the same for each of my
manipulator classes).
So my question is whether it's bad practice to set thing
Why must be commercial, when there is open and free alternatives? Like GNU
Plot.
2010/4/6 AlienBaby
> Hi,
>
> I'm on the hunt for a good quality commercially licensed graphing /
> plotting library and wondered if anyone here had any recomendations.
> The work to be done is less scientific, more
Tim Arnold a écrit :
Hi,
I have a few classes that manipulate documents. One is really a
process that I use a class for just to bundle a bunch of functions
together (and to keep my call signatures the same for each of my
manipulator classes).
So my question is whether it's bad practice to set th
Hi,
I'm on the hunt for a good quality commercially licensed graphing /
plotting library and wondered if anyone here had any recomendations.
The work to be done is less scientific, more presentational, (I'm not
going to be dealing with heatmaps / vectors etc.., just the usual
bar / line / bubble /
On 2010-04-06, Albert van der Horst wrote:
> To a mathematician sum(set) suggest that the order of summation
> doesn't matter. (So I wouldn't use sum for concatenating
> lists.) Harshly, sum() should be used only for operator + both
> associative and commutative.
>
> Now for floating point numbers
In article ,
Steve Holden wrote:
>kj wrote:
>> In Steve Holden
>> writes:
>>
>>> John Nagle wrote:
Chris Rebert wrote:
> On Tue, Mar 30, 2010 at 8:40 AM, gentlestone
> wrote:
>> Hi, how can I write the popular C/JAVA syntax in Python?
>>
>> Java example:
>>ret
On Apr 6, 8:39 am, Albert van der Horst
wrote:
> To a mathematician sum(set) suggest that the order of summation
> doesn't matter. (So I wouldn't use sum for concatenating lists.)
> Harshly, sum() should be used only for operator + both associative and
> commutative.
That's all well and good, bu
> So my question is whether it's bad practice to set things up so each
> method operates on self.document or should I pass document around from
> one function to the next?
>
I think this depends on the use case.
If the functions you're calling in between have a chance to be called
independently,
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