James Stroud wrote:
Chris Rebert wrote:
WTF?
Assuming your question is "Why is 1024 there twice?", the answer is
The question is "Why is 1024 there at all?" It should be 10.
James
I mean 11, not 10--but you get the point.
James
--
http://mail.python.org/mailman/listinfo/python-list
On Sat, May 21, 2011 at 11:28 PM, Ganapathy Subramanium
wrote:
> Hello,
>
> I'm a new bie to python programming and on the processing of learning python
> programming. I have coded my first program of fibonnaci generation and would
> like to know if there are better ways of achieving the same.
>
>
Peter Otten wrote:
James Stroud wrote:
WTF?
Put the code into a file, run it -- and be enlightened ;)
tal 72% python2.7 eraseme.py
1
2
4
8tal 73% cat eraseme.py
#! /usr/bin/env python
class C:
def __init__(self):
self.data = []
def doit(self, count=0):
for c in self.data:
Chris Rebert wrote:
WTF?
Assuming your question is "Why is 1024 there twice?", the answer is
The question is "Why is 1024 there at all?" It should be 10.
James
--
http://mail.python.org/mailman/listinfo/python-list
James Stroud wrote:
> tal 65% python2.7
> Python 2.7.1 (r271:86832, May 21 2011, 22:52:14)
> [GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin
> Type "help", "copyright", "credits" or "license" for more information.
> py> class C(object):
> ... def __init__(self):
> ... self.data = []
>
Hello,
I'm a new bie to python programming and on the processing of learning python
programming. I have coded my first program of fibonnaci generation and would
like to know if there are better ways of achieving the same.
I still feel quite a few things to be improved. Just wanted experts thought
On Sat, May 21, 2011 at 11:02 PM, James Stroud wrote:
> tal 65% python2.7
> Python 2.7.1 (r271:86832, May 21 2011, 22:52:14)
> [GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin
> Type "help", "copyright", "credits" or "license" for more information.
> py> class C(object):
> ... def __init__(
tal 65% python2.7
Python 2.7.1 (r271:86832, May 21 2011, 22:52:14)
[GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
py> class C(object):
... def __init__(self):
... self.data = []
... def doit(self, count=0):
...
i think we should end our butchering of perl on a light note (you may have
already read this):
EXTERIOR: DAGOBAH -- DAY
With Yoda strapped to his back, Luke climbs up one of
the many thick vines that grow in the swamp until he
reaches the Dagobah statistics lab. Panting heavily, he
continues his ex
On Sun, May 22, 2011 at 2:32 PM, rusi wrote:
> Recently on the emacs list there was a big flame-fest because the
> behavior (aka interface) of return/newline changed.
> The argument for change: Can we have emacs behave a little more like a
> 21st century application?
> Against: Somebody's scriptin
On Sun, May 22, 2011 at 11:50 AM, Dan Stromberg wrote:
> Perl is like 10 languages smushed together. To write it, you need only
> learn one of the 10. To read someone else's, you don't know what subset of
> those 10 they've used until you get deep into the code.
+1 QOTW.
Perl: The Swiss Army
On May 22, 8:52 am, Chris Angelico wrote:
> On Sun, May 22, 2011 at 1:02 PM, rusi wrote:
> > Why is the C library in linux called libc6 and not just libc?
>
> I assume you mean this?http://www.linux-m68k.org/faq/glibcinfo.html
Ha Ha! Thanks for that link! I quote:
> You should not be using libc
Hello again, everyone.
I'm developing some custom neural network code. I'm using Python
2.6, Numpy 1.5, and Ubuntu Linux 10.10. I have an AMD 1090T six-core
CPU. About six weeks ago, I asked some questions about
multiprocessing in Python, and I got some very helpful responses from
you all.
ht
On Sun, May 22, 2011 at 1:02 PM, rusi wrote:
> Why is the C library in linux called libc6 and not just libc?
I assume you mean this? http://www.linux-m68k.org/faq/glibcinfo.html
When you dynamically link against a shared object, you save on
executable size, but you have to have that shared objec
On May 22, 1:11 am, Terry Reedy wrote:
> I agree that the domain of a function should be defined from the start
> (and only expanded in the future).
I dont understand...
I dont always write correct code -- otherwise called 'a bug' -- though
I never let the damn bug lose intentionally.
And when I
On Sun, May 22, 2011 at 11:02 AM, Steven D'Aprano
wrote:
> On Sat, 21 May 2011 15:46:01 +0100, John J Lee wrote:
>
> Er, yes? But in any realistic example (your trivial function xyzzyx below
> is not very realistic) you'll almost certainly get additional hints in
> the function body.
True, but so
> One of the purposes and advantages of Python 3 is having only one class
> system. Best to always use new-style classes in Python 2.2+ unless you
> understand and need old-style classes (and need should be never for most
> people).
>
Thanks for this. I'll keep it in mind!
One thing I really don
On Fri, May 20, 2011 at 1:47 PM, Dotan Cohen wrote:
> They considered Haskell and OCaml and not a single mention of Perl?
>
Perl is like 10 languages smushed together. To write it, you need only
learn one of the 10. To read someone else's, you don't know what subset of
those 10 they've used u
On Sat, May 21, 2011 at 6:25 PM, Daniel Kluev wrote:
> Also, most of these complaints could be solved by using correct python
> dialect for particular task - RPython, Cython and so on.
>
Cython is an interesting dialect that I use now and then.
RPython is probably just as well avoided. PyPy, w
On Sat, May 21, 2011 at 9:00 AM, John Bokma wrote:
>
> A language I want to give a serious try the coming months is Haskell.
>
> Haskell is indeed interesting.
However, do any of Haskell's implementations exploit the opportunities for
parallelism that Haskell's definition allows?
--
http://mail
On Sat, May 21, 2011 at 8:49 AM, John J Lee wrote:
>
>
> I still like Python after using it for over a decade, but there are
> things I don't like.
>
> What are your favourite up-and-coming languages of the moment?
>
> Here's my wishlist (not really in any order):
>
> * A widely used standard f
On Sun, May 22, 2011 at 12:25 PM, Daniel Kluev wrote:
> According to all language popularity indexes [1-10], C# and
Forgot to include references, although everyone probably already knows them,
[1] https://www.ohloh.net/languages?query=&sort=projects
[2] http://www.tiobe.com/index.php/content/pap
On Sun, May 22, 2011 at 2:49 AM, John J Lee wrote:
> Here's my wishlist (not really in any order):
How come pony is not listed there? Language cannot be better than
python without pony!
> * An even larger user base, contributing more and better free and
> commercial software.
According to al
On Sat, 21 May 2011 15:46:01 +0100, John J Lee wrote:
> In the absence of an explicit interface declaration (have any standards
> emerged for that in Python 3, BTW?), the use of len() does give you some
> information about the interface, which sometimes makes it easier to
> change the function.
E
On 5/21/2011 8:03 PM, bvdp wrote:
Yes, I can confirm that both the lambda and setting the class to:
class selectFav(object):
One of the purposes and advantages of Python 3 is having only one class
system. Best to always use new-style classes in Python 2.2+ unless you
understand and nee
On Sat, 21 May 2011 15:55:56 -0700, John Nagle wrote:
> On 5/19/2011 11:33 PM, Ulrich Eckhardt wrote:
>
>> For that reason, it is generally useful to use immutable types like
>> integers, floats, strings and tuples thereof as keys. Since you can't
>> change them, you basically have the guarantee
On May 20, 4:37 pm, rantingrick wrote:
> Thats sounds to me a lot like hammering square pegs though round
> holes... Perhaps you should explain first in "plain english" what
Ahh, but what fun would the Internet, Usenet and programming be
without round holes and square pegs.
I thought my English
Thanks, Peter, for the detailed explanation. I was going to write a
bit of sample/minimal code to demo this, but you nicely beat me to
it!
> Here's a minimal script to reproduces the problem:
>
> $ cat tkcallclass.py
> import Tkinter as tk
>
> root = tk.Tk()
> root.withdraw()
>
> class Classic:
>
On 22-5-2011 0:55, John Nagle wrote:
> On 5/19/2011 11:33 PM, Ulrich Eckhardt wrote:
>
>> For that reason, it is generally useful to use immutable types like
>> integers, floats, strings and tuples thereof as keys. Since you can't change
>> them, you basically have the guarantee that they hash the
On 5/19/2011 11:33 PM, Ulrich Eckhardt wrote:
For that reason, it is generally useful to use immutable types like
integers, floats, strings and tuples thereof as keys. Since you can't change
them, you basically have the guarantee that they hash the same.
Right. It's something of a lack tha
* Thomas 'PointedEars' Lahn (Thu, 12 May 2011 22:22:20 +0200)
> Thorsten Kampe wrote:
> > I'm using optparse for a little Python script.
> >
> > 1. The output from "--help" is:
> > """
> > Usage: script.py
> >
> > script.py does something
> >
> > Options:
> > -h, --help show this help messa
On 21-5-2011 22:00, Ian Kelly wrote:
> Note that PEP 8 discourages relative imports and encourages absolute
> imports, though. This would be the preferred way to do it:
>
> from A import something
Right. I got rid of the silly relative import stuff. As an added bonus, this
makes my
original qu
On 5/21/2011 10:46 AM, John J Lee wrote:
In the absence of an explicit interface declaration (have any standards
emerged for that in Python 3, BTW?), the use of len() does give you some
information about the interface, which sometimes makes it easier to
change the function.
I'm sure you fully u
On Sat, May 21, 2011 at 1:28 PM, Irmen de Jong wrote:
> Hi,
>
> I have a package with several modules in it. The package also has some
> objects created
> in the package scope (done in the package __init__.py).
>
> Is it possible to access those package scope objects from the modules, with
> rel
On Sat, May 21, 2011 at 8:56 AM, vijay swaminathan wrote:
> Hi Gurus,
>
> I'm having some problem in using the communicate() along with the
> subprocess.I would like to invoke a command prompt and pass on a .bat file
> to execute. I went through the subprocess module and understood that using
>
Hi,
I have a package with several modules in it. The package also has some objects
created
in the package scope (done in the package __init__.py).
Is it possible to access those package scope objects from the modules, with
relative
imports or something? So that I don't have to import the packag
You have ideas, a text editor, and a computer - best get to coding. What's
stopping you? You largely want Python, with modifications. Join the
development team and help implement those changes, or fork your own flavor
and do what you wish. Right? You imagine it's an easy task, so get after
Hi,
I've been experimenting a little with dictionary attacks against password
hashes.
It turned out that Python is plenty fast for this task, if you use precomputed
hash
databases. I used a few rather large dictionary files (most of the words of the
English
language, and most of the words of t
Has anyone read this one? If so, what did you think?
--
Bob
--
http://mail.python.org/mailman/listinfo/python-list
John J Lee writes:
>
>
> I still like Python after using it for over a decade, but there are
> things I don't like.
>
> What are your favourite up-and-coming languages of the moment?
>
> Here's my wishlist (not really in any order):
>
> * A widely used standard for (optional) interface declarat
Hi Gurus,
I'm having some problem in using the communicate() along with the
subprocess.I would like to invoke a command prompt and pass on a .bat file
to execute. I went through the subprocess module and understood that using
communicate, we can send the send data to stdin.
According to the doc
I still like Python after using it for over a decade, but there are
things I don't like.
What are your favourite up-and-coming languages of the moment?
Here's my wishlist (not really in any order):
* A widely used standard for (optional) interface declaration -- or
something better. I wan
On 5/21/2011 7:46 AM John J Lee said...
Gregory Ewing writes:
Hans Georg Schaathun wrote:
0 is a number as real and existent as any other,
one would think that the empty list is also as real and existent as
any other list.
0 does have some special properties, though, such as
being the add
Andrew Berg writes:
Since Python 2.5, the errno attribute maps the Windows error to error
codes that match the attributes of module errno.
Good point, I completely misread that. At least the Windows error code
is still available as the winerror attribute.
As an aside - call me stupid, but I
On Sat, May 21, 2011 at 09:30, Franck Ditter wrote:
> Except at MIT, who knows some good CS1 references for teaching Python ?
James Shuttleworth and I did a lot of this at Coventry, the book
Python for Rookies came from that. We don't use Python in CS1 at
Wolverhampton, but James is still activel
On 2011-05-19, Peter Moylan wrote:
> In the microcontroller world, the big performance hits come from the
> fact that the only available compilers are for C and sometimes C++.
> (And nobody uses assembly language except for the very little jobs.)
> The nature of the C language prevents compilers
- Original Message -
From: "Corey Richardson"
To:
Sent: Saturday, May 21, 2011 7:19 AM
Subject: Re: Python in CS1
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
On 05/21/2011 04:30 AM, Franck Ditter wrote:
Except at MIT, who knows some good CS1 references for teaching Python ?
Tha
Gregory Ewing writes:
> Hans Georg Schaathun wrote:
>> 0 is a number as real and existent as any other,
>> one would think that the empty list is also as real and existent as
>> any other list.
>
> 0 does have some special properties, though, such as
> being the additive identity and not having
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
On 05/21/2011 04:30 AM, Franck Ditter wrote:
> Except at MIT, who knows some good CS1 references for teaching Python ?
> Thanks,
>
>franck
Check out http://www.python.org/community/sigs/current/edu-sig/, and if
nothing there satisfies you jump ov
Bastian Ballmann writes:
> Hi,
>
> the project sounds like the exact tool that i need but regarding the
> user manual one has to mark the points on the graph manually. Therefore
> it's more work to get the data out than doing it without a tool. Or may
> I miss something here?
> Greets
Read the d
Solved: the problem was right there in the packagelist() function, it
replaced '/' with dots instead of using os.sep ...
I'm very sorry for the noise, although it's surprising everything else
works without dots in the packages names :-)
with regard,
Wilbert Berendsen
--
http://www.wilbertberend
On Tue, May 10, 2011 at 11:40 AM, Kyle T. Jones
wrote:
>
> It has been hard for me to determine what would constitute overuse.
>
Good example of abuse is catching KeyboardInterrupt or SystemExit
inside some library code. PycURL does it, and its truly annoying.
--
With best regards,
Daniel Kluev
Walter Chang writes:
> Hi
>
> is there any open source library for python that can allow application
> level monitoring ? For example,application can send per request level/
> aggregated monitoring events and some remote server dump it and show
> in the monitoring graph in real time ? What's be
Kushal Kumaran wrote:
> That's how it is able to give you the status. So, if you
> are using getstatusoutput, you will have only one instance of your
> command running.
My intent is to launch only one program instance, which will goes as daemon.
To avoid a second call I'd like rather to use Pyth
Andrew Berg writes:
> This is probably somewhat off-topic, but where would I find a list of
> what each error code in WindowsError means? WindowsError is so broad
> that it could be difficult to decide what to do in an except clause.
> Fortunately, sys.exc_info()[1][0] holds the specific error co
Hi,
new version of lfm. Note that it requires python v2.5+ now, and it's
incompatible with v3.x.
Description:
==
Last File Manager is a powerful file manager for the UNIX console. It
has a curses interface and it's written in Python.
Licensed under GNU Public License version 3.
Some of t
2011-05-21 11:54, Lars Enderin skrev:
> 2011-05-21 11:52, Lars Enderin skrev:
>>
>> Please include attributions, in this case for Peter Moylan and rusi!
>
> Just Peter Moylan, sorry!
Ignore the above.
--
http://mail.python.org/mailman/listinfo/python-list
2011-05-21 11:52, Lars Enderin skrev:
>
> Please include attributions, in this case for Peter Moylan and rusi!
Just Peter Moylan, sorry!
--
http://mail.python.org/mailman/listinfo/python-list
2011-05-21 10:32, Jonathan de Boyne Pollard skrev:
>> The supposed inefficiency of recursive implementations is based
>> largely on the properties of hardware that is now obsolete. With
>> modern processors there's no great efficiency hit. In some of the
>> smaller microcontrollers, it's true, you
Gregory Ewing wrote:
> Ethan Furman wrote:
>> Ulrich Eckhardt wrote:
>>
>>> If two equal objects have different hashes, they
>>> will be stored in different places in the hash map. Looking for
>>> object1 will then not turn up with object2, even though they are equal.
>>
>> In this case this is
The supposed inefficiency of recursive implementations is based
largely on the properties of hardware that is now obsolete. With
modern processors there's no great efficiency hit. In some of the
smaller microcontrollers, it's true, you do have to worry about stack
overflow; but the ARM processo
Chris Angelico wrote:
It seems
strange to smoothly slide from native integer to long integer and just
keep on going, and yet to be unable to do the same if there's a
fractional part on it.
The trouble is that if you always compute exact results
by default, the number of digits required can blow
Hi,
I have created a distutils setup.py script that installs a list of packages
(all subpackages of one main package). Some packages have package_data files
(icons, translations, etc).
Running setup.py install on my Linux system (python 2.6) perfectly installs
all package data, but on Windows
Except at MIT, who knows some good CS1 references for teaching Python ?
Thanks,
franck
--
http://mail.python.org/mailman/listinfo/python-list
Ethan Furman wrote:
Ulrich Eckhardt wrote:
If two equal objects have different hashes, they
will be stored in different places in the hash map. Looking for
object1 will then not turn up with object2, even though they are equal.
In this case this is the behavior I want.
You can't rely on i
bvdp wrote:
> I've just done an update to my system here to Ubuntu 11.04. Mostly no
> problems ... but I have an important (to me) python/TK program that's
> stopped working. Well, it works ... mostly.
>
> The python version is 2.7.1+ (no idea what the + means!).
>
> I _think_ I have traced the
On Sat, May 21, 2011 at 3:40 PM, Cameron Simpson wrote:
> These days I think I'd use a LateFunction (a facility of my own which is
> a lot like the futures module) which returns a callable when you submit
> a function; the worker thread runs the submitted function and catches the
> return value or
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