* Arnaud Delobelle, on 21.09.2010 11:13:
On Sep 21, 7:19 am, "Alf P. Steinbach /Usenet" wrote:
* Alf P. Steinbach /Usenet, on 21.09.2010 01:09:
* Astley Le Jasper, on 20.09.2010 23:42:
I have a list of tuples that indicate a relationship, ie a is related
to b, b is related to
* Alf P. Steinbach /Usenet, on 21.09.2010 01:09:
* Astley Le Jasper, on 20.09.2010 23:42:
I have a list of tuples that indicate a relationship, ie a is related
to b, b is related to c etc etc. What I want to do is cluster these
relationships into groups. An item will only be associated with a
* Astley Le Jasper, on 20.09.2010 23:42:
I have a list of tuples that indicate a relationship, ie a is related
to b, b is related to c etc etc. What I want to do is cluster these
relationships into groups. An item will only be associated with a
single cluster.
Before I started, I wondered if th
* Paul Rubin, on 13.09.2010 04:50:
Ed Keith writes:
I think DbC as envisioned by the Eiffel guy...
the term is that it's a static verification technique,
Eiffel throws an exception when a contract is violated. That is run
time behavior, not static verification.
The runtime checks are for wh
* Standish P, on 16.08.2010 09:20:
[garble garble]
Nonsense article "We look for an exogenous stack" cross-posted to
[comp.lang.c],
[comp.lang.c++],
[comp.theory],
[comp.lang.python],
[comp.lang.forth].
Please refrain from following up on Standish' article.
Cheers,
- Alf
--
blog
* Edward Diener, on 19.07.2010 14:53:
In Windows Vista x64 I have installed python 2.6 64-bit version and
python 3.1 64-bit version to separate folders. Within the command
interpreter I add python 2.6 to the PATH.
In the command interpreter, When I type python somescript.py with an
import sys
p
"Extending and Embedding the Python Interpreter" §2.1.2, the noddy3 extension
module example, uses "S" as format character for string arguments in its call to
PyArg_ParseTupleAndKeywords.
This causes Noddy to only accept bytes as arguments, instead of strings (format
"U").
I suspect this is
* Vladimir Jovic, on 19.07.2010 09:41:
Alf P. Steinbach /Usenet wrote:
#include // PyWeakPtr, PyPtr, PyModule,
PyClass
using namespace progrock;
namespace {
using namespace cppy;
struct Noddy
{
PyPtr first;
PyPtr last;
int number
* be.krul, on 18.07.2010 07:01:
why is this group being spammed?
It depends a little on what you're asking, e.g. technical versus motivation.
But I'll answer about something you probably didn't mean to ask, namely what
human trait enables and almost forces that kind of behavior.
And I belie
* Alf P. Steinbach /Usenet, on 17.07.2010 11:50:
[Cross-posted comp.lang.c++ and comp.lang.python]
[snip]
this occurred to me:
#define CPPY_GETSET_FORWARDERS( name ) \
::progrock::cppy::forwardersGetSet( \
&CppC
[Cross-posted comp.lang.c++ and comp.lang.python]
Consider the following code, from an example usage of some C++ support for
Python I'm working on, "cppy":
struct Noddy
{
PyPtr first;
PyPtr last;
int number;
Noddy( PyWeakPtr pySelf
* Johann Spies, on 16.07.2010 16:34:
I am overlooking something stupid.
I have two files: one with keywords and another with data (one record per line).
I want to determine for each keyword which lines in the second file
contains that keyword.
The following code is not working. It loops throu
* Hrvoje Niksic, on 14.07.2010 10:17:
"Alf P. Steinbach /Usenet" writes:
Also, things like the 'owned' option is just asking for trouble.
Isn't owned=true (or equivalent) a necessity when initializing from a
PyObject* returned by a function declared to return a &
* Steven D'Aprano, on 14.07.2010 06:31:
Gary did the right thing by pointing out that the simple-sounding term
"points to" is anything but simple, it depends on what you mean by
pointing and pointers.
Possibly you have a point here.
Cheers,
- Alf
--
blog at http://alfps.wordpress.com>
--
h
* Gary Herron, on 14.07.2010 01:26:
On 07/13/2010 03:02 PM, Roald de Vries wrote:
Hi Gary,
On Jul 13, 2010, at 8:54 PM, Gary Herron wrote:
On 07/13/2010 10:26 AM, Roald de Vries wrote:
Hi all,
I have two objects that should both be able to alter a shared float.
So i need something like a mut
* sturlamolden, on 13.07.2010 22:06:
On 13 Jul, 21:39, "Alf P. Steinbach /Usenet" wrote:
Thanks! It seems that SCXX does those things that I've been planning to do but
haven't got around to (wrapping standard Python types), while what it doesn't do
(abstracting away
* sturlamolden, on 13.07.2010 22:03:
On 9 Jul, 17:52, "Alf P. Steinbach /Usenet" wrote:
For an extension module it seems that Python requires each routine to be defined
as 'extern "C"'.
That is strange. PyMethodDef is just a jump table. So why should
'ext
* Jonathan Lee, on 13.07.2010 16:41:
Problem (C) is outside the realm of the C++ standard, since the C++ standard
doesn't support shared libraries, and I've never actually used *nix shared
libraries so I don't /know/...
Is such dynamic initialization guaranteed?
Not guaranteed, though I think
* Robert Kern, on 13.07.2010 17:16:
On 7/13/10 2:34 AM, Alf P. Steinbach /Usenet wrote:
PS: You (the reader) may be wondering, why why why Yet Another Python/C++
binding? Well, because I had this great name for it, "pyni", unfortunately
already in use. But cppy is very different
* geremy condra, on 09.07.2010 23:43:
On Fri, Jul 9, 2010 at 5:22 PM, Ian Collins wrote:
On 07/10/10 03:52 AM, Alf P. Steinbach /Usenet wrote:
[Cross-posted comp.lang.python and comp.lang.c++]
I lack experience with shared libraries in *nix and so I need to ask...
This is about "
* Steven D'Aprano, on 13.07.2010 01:34:
On Mon, 12 Jul 2010 20:28:49 +0200, Alf P. Steinbach /Usenet wrote:
As I see it it doesn't matter whether the implementation is CPython call
frame slots or that mechanism called something else or a different
mechanism called the same or a
* Steven D'Aprano, on 13.07.2010 01:50:
On Mon, 12 Jul 2010 22:57:10 +0200, Alf P. Steinbach /Usenet wrote:
Existence of a variable means, among other things, that
* You can use the value, with guaranteed effect (either unassigned
exception
or you get a proper value
* Rami Chowdhury, on 13.07.2010 00:14:
Perhaps I'm misunderstanding, but ...
On Jul 12, 2010, at 13:57 , Alf P. Steinbach /Usenet wrote:
Existence of a variable means, among other things, that
* You can use the value, with guaranteed effect (either unassigned exception
or you
I let the setup.py script talk:
# 03_1__noddy
from distutils.core import setup, Extension
import distutils.ccompiler
compilerName = distutils.ccompiler.get_default_compiler()
options = []
if compilerName == "msvc":
# * distutils sets warning level 3:
# Overriding with warning level
* Rhodri James, on 12.07.2010 22:19:
On Mon, 12 Jul 2010 13:56:38 +0100, bart.c wrote:
"Steven D'Aprano" wrote in
message news:4c3aedd5$0$28647$c3e8...@news.astraweb.com...
On Mon, 12 Jul 2010 09:48:04 +0100, bart.c wrote:
That's interesting. So in Python, you can't tell what local variabl
* Steven D'Aprano, on 12.07.2010 04:39:
On Mon, 12 Jul 2010 03:12:10 +0200, Alf P. Steinbach /Usenet wrote:
* MRAB, on 12.07.2010 00:37:
[...]
In Java a variable is declared and exists even before the first
assignment to it. In Python a 'variable' isn't declared and w
* sturlamolden, on 12.07.2010 16:59:
On 12 Jul, 07:51, "Alf P. Steinbach /Usenet" wrote:
We're talking about defining a 'swap' routine that works on variables.
I did not miss the point. One cannot make a swap function that rebinds
its arguments in the callin
Hi.
With the current cppy code the Python 3.1.1 doc's spam example extension module
looks like this (actual working code):
#include
#include
using namespace progrock;
namespace {
class Spam: public cppy::Module
{
public:
Spam(): cppy::M
* sturlamolden, on 12.07.2010 06:52:
On 11 Jul, 21:37, "Alf P. Steinbach /Usenet" wrote:
Oh, I wouldn't give that advice. It's meaningless mumbo-jumbo. Python works like
Java in this respect, that's all; neither Java nor Python support 'swap'.
x,y = y,
* MRAB, on 12.07.2010 04:09:
Alf P. Steinbach /Usenet wrote:
* MRAB, on 12.07.2010 00:37:
Alf P. Steinbach /Usenet wrote:
* Stephen Hansen, on 11.07.2010 21:00:
On 7/11/10 11:45 AM, wheres pythonmonks wrote:
Follow-up:
Is there a way to define compile-time constants in python and have
the
* Stephen Hansen, on 12.07.2010 04:02:
On 7/11/10 6:12 PM, Alf P. Steinbach /Usenet wrote:
However, as stated up-thread, I do not expect facts, logic or general
reasoning to have any effect whatsoever on such hard-core religious
beliefs.
Grow up, and/or get a grip, and/or get over yourself
* MRAB, on 12.07.2010 00:37:
Alf P. Steinbach /Usenet wrote:
* Stephen Hansen, on 11.07.2010 21:00:
On 7/11/10 11:45 AM, wheres pythonmonks wrote:
Follow-up:
Is there a way to define compile-time constants in python and have the
bytecode compiler optimize away expressions like:
if
* Stephen Hansen, on 11.07.2010 21:00:
On 7/11/10 11:45 AM, wheres pythonmonks wrote:
Follow-up:
Is there a way to define compile-time constants in python and have the
bytecode compiler optimize away expressions like:
if is_my_extra_debugging_on: print ...
when "is_my_extra_debugging" is set t
* rantingrick, on 11.07.2010 09:26:
Another source of asininity seems to be the naming conventions of the
Python language proper! True/False start with an upper case and i
applaud this. However str, list, tuple, int, float --need i go
on...?-- start with lowercase.
Q: Well what the hell is your
* Stephen Hansen, on 11.07.2010 09:19:
On 7/10/10 11:50 PM, rantingrick wrote:
It was a typo not an on purpose misspelling
If this had been the first time, perhaps. If you had not in *numerous*
previous times spelled my name correctly, perhaps. If it were at all
possible for "f" to be a typo
* rantingrick, on 11.07.2010 08:50:
On Jul 11, 1:22 am, Stephen Hansen wrote:
Utter nonsense. No one does that unless they are coming from C or some
other language without a True/False and don't know about it, or if they
are using a codebase which is supporting a very old version of Python
bef
* John Nagle, on 10.07.2010 20:54:
On 7/9/2010 12:13 PM, Les Schaffer wrote:
i have been asked to guarantee that a proposed Python application will
run continuously under MS Windows for two months time. And i am looking
to know what i don't know.
The app would read instrument data from a serial
Hi.
I built the [xxmodule.c] from the source distribution, as suggested by the
Python 3.1.1 docs. I named this [xx.pyd], as I believed the module name was just
"xx". Indeed importing xx works fine, but when I do help(xx) I get ...
>>> help( xx )
Help on module xx:
NAME
* Ian Collins, on 09.07.2010 23:22:
On 07/10/10 03:52 AM, Alf P. Steinbach /Usenet wrote:
[Cross-posted comp.lang.python and comp.lang.c++]
I lack experience with shared libraries in *nix and so I need to ask...
This is about "cppy", some support for writing Python extensions in
* Dani Valverde, on 09.07.2010 18:31:
Hello!
I am new to python and pretty new to programming (I have some expertise
wit R statistical programming language). I am just starting, so my
questions may be a little bit stupid. Can anyone suggest a good editor
for python?
Cheers!
If you're working in
[Cross-posted comp.lang.python and comp.lang.c++]
I lack experience with shared libraries in *nix and so I need to ask...
This is about "cppy", some support for writing Python extensions in C++ that I
just started on (some days ago almost known as "pynis" (not funny after all)).
For an extens
r, just a use-as-you-wish finalization callback. Nice!
But I think that could be more clear in the docs...
Code, for those who might be interested:
// progrock.cppy -- "C++ plus Python"
// A simple C++ framework for writing Python 3.x extensions.
//
// Copyright (C) Al
looks like this:
// progrock.cppy -- "C++ plus Python"
// A simple C++ framework for writing Python 3.x extensions.
//
// Copyright (C) Alf P. Steinbach, 2010.
#ifndef CPPY_MODULE_H
#define CPPY_MODULE_H
#include
//-
The code below, very much work in progress, just trying things, is C++.
Sorry about the formatting, I had to reformat manually for this posting:
class Module
{
private:
Ptr p_;
public:
Module( PyModuleDef const& def )
: p_( ::PyModule_Create( co
* Alf P. Steinbach /Usenet, on 08.07.2010 01:47:
enum DoAddRef { doAddRef };
class Ptr
{
private:
PyObject* p_;
public:
Ptr( PyObject* p = 0 ): p_( p )
{}
Ptr( PyObject* p, DoAddRef ): p_( p )
{
assert( p
* rantingrick, on 07.07.2010 07:42:
On Jul 6, 9:11 pm, "Alf P. Steinbach /Usenet" wrote:
"pyni"! Pronounced like "tiny"! Yay!
hmm, how's about an alternate spelling... "pyknee", or "pynee", or
"pynie" ... considering those
* Alf P. Steinbach /Usenet, on 07.07.2010 23:19:
However developing an extension with MSVC 10 the extension will use the
10.0 CRT, which is not necessarily present on the end user's system.
As I see it there are five solutions with different trade-offs:
A Already having Visual Studio
* Christian Heimes, on 07.07.2010 22:47:
The main problem that the required MSVC redistributables are not necessarily
present on the end user's system.
It's not a problem for Python anymore. It took a while to sort all
problems out. Martin and other developers have successfully figured out
how
* Martin v. Loewis, on 07.07.2010 21:56:
Perhaps (if it isn't intentional) this is a bug of the oversight type,
that nobody remembered to update the macro?
Update in what way?
I was guessing that at one time there was no PyMem_Malloc. And that it
was introduced to fix Windows-specific problem
* sturlamolden, on 07.07.2010 21:46:
On 7 Jul, 21:41, "Alf P. Steinbach /Usenet" wrote:
You still have two CRTs linked into the same process.
So?
CRT resources cannot be shared across CRT borders. That is the
problem. Multiple CRTs are not a problem if CRT resources are ne
* sturlamolden, on 07.07.2010 21:12:
On 7 Jul, 06:54, "Alf P. Steinbach /Usenet" wrote:
PyAPI_FUNC(void *) PyMem_Malloc(size_t);
#define PyMem_MALLOC(n) (((n)< 0 || (n)> PY_SSIZE_T_MAX) ? NULL \
: malloc((n) ? (n) : 1))
I wa
* Martin v. Loewis, on 07.07.2010 21:10:
Python 3.1.1, file [pymem.h]:
PyAPI_FUNC(void *) PyMem_Malloc(size_t);
#define PyMem_MALLOC(n)(((n)< 0 || (n)> PY_SSIZE_T_MAX) ? NULL \
: malloc((n) ? (n) : 1))
The problem with the latter that it seems that it's intended for
* sturlamolden, on 06.07.2010 19:35:
On 6 Jul, 19:09, Thomas Jollans wrote:
Okay, you need to be careful with FILE*s. But malloc and free? You'd
normally only alloc& free something within the same module, using the
same functions (ie not mixing PyMem_Malloc and malloc), would you not?
You h
Donald Knuth once remarked (I think it was him) that what matters for a program
is the name, and that he'd come up with a really good name, now all he'd had to
do was figure out what it should be all about.
And so considering Sturla Molden's recent posting about unavailability of MSVC
9.0 (aka
* sturlamolden, on 06.07.2010 17:50:
Just a little reminder:
Microsoft has withdrawn VS2008 in favor of VS2010. The express version
is also unavailable for download.>:((
We can still get a VC++ 2008 compiler required to build extensions for
the official Python 2.6 and 2.7 binary installers her
* Steven D'Aprano, on 03.07.2010 16:24:
On Sat, 03 Jul 2010 08:46:57 -0400, D'Arcy J.M. Cain wrote:
On Fri, 02 Jul 2010 22:40:34 -0700
John Nagle wrote:
Not according to Vex's published package list:
http://www.vex.net/info/tech/pkglist/
Hold on. That *is* the generated list
* Stephen Hansen, on 02.07.2010 19:41:
Okay, so!
I actually never quite got around to learning to do deep and useful
magic with decorators. I've only ever done the most basic things with
them. Its all been a little fuzzy in my head: things like what order
decorators end up being called in if the
* Mag Gam, on 24.06.2010 13:58:
I have been using python for about 1 year now and I really like the
language. Obviously there was a learning curve but I have a programing
background which made it an easy transition. I picked up some good
habits such as automatic code indenting :-), and making my
* Steven, on 18.06.2010 18:23:
I am calling a ruby program from a python gui and using
subprocess.Popen in Windows XP using python 2.6. Unfortunately,
whenever the ruby program is called a blank command window appears on
screen, annoying my users. Is there a way to suppress this behaviour?
Ye
* Gabriel Genellina, on 17.06.2010 09:25:
En Wed, 16 Jun 2010 19:56:39 -0300, Ian Kelly
escribió:
On Wed, Jun 16, 2010 at 3:38 PM, John Nagle wrote:
That just leaves things in a state where even "sys" and "import"
are undefined.
Say what? It works fine for me.
import proxy_mod
proxy_mod.
* teja, on 15.06.2010 09:03:
Hi,
I have a requirement that I want to log-in into a gmail account read
all unread mails, mark them as read and then archive them.
I am using libgmail (version 0.1.11) library to do so, using which I
am able to log-in into a gmail account fetch all unread message an
* Steven D'Aprano, on 13.06.2010 19:57:
On Sun, 13 Jun 2010 08:42:57 -0700, rantingrick wrote:
i will start a fork.
That is the most sensible thing you have said yet. Please do so, it will
be a great thing for the Python community.
Not nice to quote out of context, there was an "if" and a "
* random joe, on 12.06.2010 01:40:
Hello all,
Hi this i my first post here. I would like to create a tkinter
toplevel window with a custom resize action based on a grid. From the
Tk docs it say you can do this but for the life of me i cannot figure
out how? In my app i wish for the main window t
* Dodo, on 07.06.2010 12:38:
Le 05/06/2010 19:07, Alf P. Steinbach a écrit :
* Dodo, on 05.06.2010 15:46:
Hi,
let's consider this exemple :
from tkinter import *
from tkinter.ttk import *
class First:
def __init__(self):
self.root = Tk()
B = Button(self.root, command=self.op)
B
* pyt...@bdurham.com, on 06.06.2010 17:17:
Why not a GUI based on HTML, CSS and Javascript?
To paraphrase another poster and to borrow from SQLite:
Pick any *THREE*:
- Simple
- Beautiful
- Cross-platform
I'm not sure what this discussion is about, but anyway, modern GUI frameworks
/are/ base
* Dodo, on 05.06.2010 15:46:
Hi,
let's consider this exemple :
from tkinter import *
from tkinter.ttk import *
class First:
def __init__(self):
self.root = Tk()
B = Button(self.root, command=self.op)
B.pack()
self.root.mainloop()
def op(self):
Second(self)
print("print")
class Second:
def
* Terry Reedy, on 05.06.2010 03:01:
On 6/4/2010 8:01 PM, dmtr wrote:
Why does it have to be a one-liner? Is the Enter key on your keyboard
broken?
Nah. I was simply looking for something natural and intuitive, like: m
= object(); m.a = 1;
Usually python is pretty good providing these natural a
* John Bokma, on 04.06.2010 20:19:
Steven D'Aprano writes:
But the really sad thing is that you think that "bigger" automatically
equals "better".
I don't think that was the point.
Anyway, not everbody can pick a provider, there are plenty of places
that have only one or maybe two. And if t
* Andreas Waldenburger, on 04.06.2010 20:21:
On Fri, 04 Jun 2010 00:57:15 +1000 Ben Finney
wrote:
Andreas Waldenburger writes:
But consolidation is the *only* way to go, really. The parallelism
between c.l.p. and python-list is great already. Now throw some sort
of Forum in the mix
This
* Payal, on 04.06.2010 12:10:
Hi all,
In http://docs.python.org/tutorial/errors.html#handling-exceptions it
says,
|>>> try:
| ...raise Exception('spam', 'eggs')
Why would I want to use a class for exception? I could simply use raise
w/o it?
Also the help() says,
class Exception(BaseExcepti
* dmtr, on 03.06.2010 23:00:
How can I create an empty object with dynamic attributes? It should be
something like:
m = object()
m.myattr = 1
But this doesn't work. And I have to resort to:
class expando(object): pass
m = expando()
m.myattr = 1
Is there a one-liner that would do the thing
* candide, on 30.05.2010 19:38:
Suppose a Python program defines an integer object with value 42. The
object has an "address" we can capture with the built-in function id() :
>>> a=42
>>> id(a)
152263540
>>>
Now I was wondering if any integer object with value 42 will be refered
at the same
* jyoun...@kc.rr.com, on 30.05.2010 03:13:
Just curious if anyone would be willing to share their thoughts
about different Python GUI programming modules. I've been
doing a bit of research and am trying to find something that:
1. Is portable. Would like to be able to send the module along
wit
* Johan Lans, on 29.05.2010 22:51:
Hi
I'm totally new on python and I'm doing an assignement where I'm doing
a class that manipulates a text. The program is also supposed to have
a GUI, for which I have used tkinter.
So far I have entry widgets for file names and buttons, its all
working like I w
* Eduardo Alvarez, on 27.05.2010 03:01:
When trying to use nntplib to connect to the news server nntp.aioe.org,
a bizarre sequence of events occurs:
1) I import the module, and create an instance, as follows:
s = nntplib.NNTP('nntp.aioe.org')
I get no errors, which leads me to believe all went
On 15.05.2010 19:18, * Dave:
I've been writing Python for a few years now, and tonight I ran into
something that I didn't understand. I'm hoping someone can explain
this to me. I'm writing a recursive function for generating
dictionaries with keys that consist of all permutations of a certain
set
* Tim Arnold:
This is a question about system design I guess. I have a django
website that allows users to change/view configuration details for
documentation builds. The database is very small. The reason I'm using
a database in the first place is to make it easy for users to change
the configur
* Terry Reedy:
* Alf P. Steinbach:
* Aahz:
and sometimes
they rebind the original target to the same object.
At the Python level that seems to be an undetectable null-operation.
If you try t=(1,2,3); t[1]+=3, if very much matters that a rebind occurs.
Testing:
>&
On 02.05.2010 06:06, * Aahz:
In article<4bdcd631$0$27782$c3e8...@news.astraweb.com>,
Steven D'Aprano wrote:
On Sat, 01 May 2010 07:13:42 -0500, Tim Chase wrote:
The += family of operators really do rebind the symbol, not modify the
object.
They potentially do both, depending on the object,
On 01.05.2010 14:13, * Tim Chase:
On 05/01/2010 12:08 AM, Patrick Maupin wrote:
+=, -=, /=, *=, etc. conceptually (and, if lhs object supports in-
place operator methods, actually) *modify* the lhs object.
Your proposed .= syntax conceptually *replaces* the lhs object
(actually, rebinds the lhs
On 30.04.2010 21:40, * Lie Ryan:
On 05/01/10 04:08, Neil Cerutti wrote:
On 2010-04-30, Lie Ryan wrote:
Use triple-quoted, let them flow, done. I've never heard of any
text editor in current use without text wrapping capability,
even Notepad has it. And if I've got 5k of text in source code
wi
On 30.04.2010 21:46, * Lie Ryan:
On 05/01/10 05:43, Lie Ryan wrote:
On 05/01/10 03:56, Alf P. Steinbach wrote:
Use triple-quoted, let them flow, done. I've never heard of any text
editor in current use without text wrapping capability, even Notepad has
it. And if I've got 5k
On 30.04.2010 19:31, * Lie Ryan:
On 05/01/10 00:01, Alf P. Steinbach wrote:
On 30.04.2010 12:51, * Lie Ryan:
On 04/30/10 12:07, Alf P. Steinbach wrote:
On 30.04.2010 01:29, * Carl Banks:
On Apr 28, 11:16 am, "Alf P. Steinbach"wrote:
On 28.04.2010 18:54, * Lie Ryan:
Python h
On 30.04.2010 12:51, * Lie Ryan:
On 04/30/10 12:07, Alf P. Steinbach wrote:
On 30.04.2010 01:29, * Carl Banks:
On Apr 28, 11:16 am, "Alf P. Steinbach" wrote:
On 28.04.2010 18:54, * Lie Ryan:
Python have triple-quoted string when you want to include large amount
of text;
Y
On 30.04.2010 04:22, * elsa:
Hi people,
I'm having a problem getting the info I need out of a file.
I've opened the file with f=open('myFile','r').
Next, I take out the first line with line=f.readline()
line looks like this:
'83927 300023_25_5_09_FL 9086 9134 F3LQ2BE01AQLXF 1 49 + 80
ZA8Z89H
On 30.04.2010 01:29, * Carl Banks:
On Apr 28, 11:16 am, "Alf P. Steinbach" wrote:
On 28.04.2010 18:54, * Lie Ryan:
Python have triple-quoted string when you want to include large amount
of text;
Yes, that's been mentioned umpteen times in this thread, including the *ver
* Richard Lamboj:
is there any way to get the name from the actual called function, so that the
function knows its own name?
There was an earlier thread about this not very long ago.
General consensus, as I recall, to replace function with an object of a class
(possibly with __call__ method
On 28.04.2010 18:54, * Lie Ryan:
On 04/28/10 15:34, Alf P. Steinbach wrote:
On 28.04.2010 07:11, * Sagar K:
Use triple quote:
d = """ this is
a sample text
which does
not mean
anything"""
"goldtech" wrote in message
news:4e25733e-eafa-477b-a84d-a
On 28.04.2010 07:11, * Sagar K:
Use triple quote:
d = """ this is
a sample text
which does
not mean
anything"""
"goldtech" wrote in message
news:4e25733e-eafa-477b-a84d-a64d139f7...@u34g2000yqu.googlegroups.com...
On Apr 27, 7:31 pm, Brendan Abel<007bren...@gmail.com> wrote:
On Apr 27, 7:20 p
On 26.04.2010 22:26, * Dodo:
Le 26/04/2010 22:26, Alf P. Steinbach a écrit :
On 26.04.2010 22:12, * Dodo:
Hi all,
Under python 2.6, chr() "Return a string of one character whose ASCII
code is the integer i." (quoted from docs.python.org)
Under python 3.1, chr() "Return th
On 26.04.2010 22:12, * Dodo:
Hi all,
Under python 2.6, chr() "Return a string of one character whose ASCII
code is the integer i." (quoted from docs.python.org)
Under python 3.1, chr() "Return the string of one character whose
Unicode codepoint is the integer i."
I want to convert a ASCII code b
* Luke Kenneth Casson Leighton:
http://pyjs.org/examples/asteroids/public/Space.html
An error has been encountered in accessing this page.
1. Server: pyjs.org
2. URL path: /examples/asteroids/public/examples/asteroids/public/bootstrap.js
3. Error notes: NONE
4. Error type: 404
5. Reques
* Steven D'Aprano:
On Fri, 23 Apr 2010 13:19:41 +0200, Alf P. Steinbach wrote:
But for a literal context-free interpretation e.g. the 'sys.getrefcount'
function is not documented as CPython only and thus an implementation
that didn't do reference counting would not be
* Adam Tauno Williams:
On Fri, 2010-04-23 at 16:29 +1200, Lawrence D'Oliveiro wrote:
In message , Chris
Rebert wrote:
On Wed, Apr 21, 2010 at 5:53 PM, Lawrence D'Oliveiro wrote:
In message <4bc9aad...@dnews.tpgi.com.au>, Lie Ryan wrote:
Since in python nothing is guaranteed about implicit fil
* luca72:
i get a string from a web server and i save it in to a file, that i
open the file and i read the string:
the string looks like :
http://lhti.gs/JKBTYD
after the read i use webbrowser open (sting), but i get the error
because at the end of the string are added '%0D%0A', and if i ask for
* candide:
Suppose a and b are lists.
What is more efficient in order to extend the list a by appending all
the items in the list b ?
I imagine a.extend(b)to be more efficient for only appendinding the
items from b while a+=b creates a copy of a before appending, right ?
No.
But in gener
* Lawrence D'Oliveiro:
In message <4bc9aad...@dnews.tpgi.com.au>, Lie Ryan wrote:
Since in python nothing is guaranteed about implicit file close ...
It is guaranteed that objects with a reference count of zero will be
disposed.
Only in current CPython.
In my experiments, this happens i
* Chris Rebert:
On Wed, Apr 21, 2010 at 2:59 AM, Stef Mientki wrote:
On 21-04-2010 10:56, Chris Rebert wrote:
On Wed, Apr 21, 2010 at 1:51 AM, Stef Mientki wrote:
With the following code, I would expect a result of 5 !!
a= 'word1 word2 word3'
a.rfind(' ',7)
11
Is this a bug ?
No. Don'
After at least 3 false starts on my programming introduction's chapter 3, and
some good and bad feedback from this group[1], I finally think the present
chapter 3 approach is Good (enough).
So no, I haven't given up in this book project, even though 4 months to produce
these chapter 3's first
* Steven D'Aprano:
On Fri, 16 Apr 2010 08:48:03 -0700, Aahz wrote:
In article <4bb92850$0$8827$c3e8...@news.astraweb.com>, Steven D'Aprano
wrote:
Nevertheless, it is a common intuition that the list comp variable
should *not* be exposed outside of the list comp, and that the for-loop
variable
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