Lawrence D'Oliveiro a écrit :
In message 20101021235138.609fe...@geekmail.invalid, Andreas Waldenburger
wrote:
While not very commonly needed, why should a shared default argument be
forbidden?
Because it’s safer to disallow it than to allow it.
Then there are quite a few python features
jk a écrit :
Hi,
I've been coding in PHP and Java for years, and their documentation is
concise, well structured and easy to scan.
Others have mentioned this apparently for years (see:
http://stackoverflow.com/questions/4046166/easy-to-navigate-online-python-reference-manual/4070851
and
jimgardener a écrit :
hi Steven,
can you explain that?I didn't quite get it.
I have a module say 'managerutils' where I have a class
MyManager..
What Steven was talking about was to NOT use a class at all. Modules are
objects and have their own namespace. And you can use threading.locals
Stefan Schwarzer a écrit :
One could argue that using L[::-1] isn't obvious
It *is* obvious - once you've learned slicing. obvious doesn't mean
you shouldn't bother reading the FineManual.
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John O'Hagan a écrit :
How to call a function with the right arguments without knowing in advance
which function?
(snip)
For most use case I can think of, I can only second Steven and Chris -
if your functions are interchangeable then they should have a same API.
Now there's at least one
Lawrence D'Oliveiro a écrit :
Next we need an International Surfin’ Bird day, a day to go around and tell
everybody that the bird bird bird, the bird is the word.
+1
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Terry Reedy a écrit :
On 9/19/2010 1:37 PM, mafeu...@gmail.com wrote:
Hallo Group Members. From time to time I see in python code following
notation that (as I believe) extends namespace of MyClass.
No, it does not affect MyClass, just the instance dict.
class MyClass:
def
alex23 a écrit :
Python only actually executes a module the first time it's imported,
Beware of multithreading and modules imported under different names...
There can be issues with both in some web frameowrks.
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Niklasro a écrit :
Good to learn what I'm doing :-) since important being able to explain
choices taken farther than doing it because it works.
I understand the concept of modules may not correspond to java
programming where I come from.
Coming from Java - and specially if you only have
Steven D'Aprano a écrit :
On Mon, 20 Sep 2010 09:27:25 +0200, Bruno Desthuilliers wrote:
If the class has a .__setattr__ method, the first bypasses that method,
It also bypasses object.__setattribute__ and - as a consequence - any
binding descriptor by the same name as the attribute being set
harryos a écrit :
hi
I have 2 lists of numbers,say
x=[2,4,3,1]
y=[5,9,10,6]
I need to create another list containing
z=[2*5, 4*9, 3*10, 1*6] ie =[10,36,30,6]
I did not want to use numpy or any Array types.I tried to implement
this in python .I tried the following
z=[]
for a,b in zip(x,y):
Hans a écrit :
(snip)
Maybe I did not make my question clear. I never tried python web
programing before, so I want to start from CGI.
You can indeed learn quite a few things doing raw CGI - the most
important one being why frameworks are a good idea !-)
I read something about web
Diez B. Roggisch a écrit :
lallous lall...@lgwm.org writes:
How can I keep the class private and have the following work:
[code]
class __internal_class(object):
@staticmethod
def meth1(s):
print meth1:, s
@staticmethod
def meth2(s):
print meth2:,
Steven D'Aprano a écrit :
I have some code that currently takes four different classes, A, B, C and
D, and subclasses each of them in the same way:
class MyA(A):
def method(self, x):
result = super(MyA, self).method(x)
if result == spam:
return spam spam spam
Steven D'Aprano a écrit :
On Mon, 06 Sep 2010 00:57:30 +0200, bussiere bussiere wrote:
i've got a python.txt that contain python and it must stay as it
(python.txt)
Why? Is it against the law to change it? *wink*
how can i include it in my program ?
import python.txt doesn't work
You
bussiere bussiere a écrit :
i v'e got this :
i've got toto.py :
import titi
def niwhom():
pass
and titi.py :
def nipang():
pass
how can i know in titi.py that's it's toto.py that is calling titi.py
and the path of toto ?
how can i inspect the
Baba a écrit :
Dear xyz,
Your question can easily be researched online. We suggest you give it
a try and to look it up yourself. This will be beneficial both to you
and to us. We do encourage to ask questions only when they have been
researched first.
On usenet - as well as on most technical
Ian Hobson a écrit :
Hi all you experts,
This has me beat. Has anyone any ideas about what might be going wrong?
This is code from within a windows service (hence no print statements -
no sys.stdout to print on!).
I am trying to trace through to find where the code is not working. No
Baba a écrit :
(snip)
If i had
received a friendly response from Benjamin (as opposed to Please do
us a favor and at least try to figure things out on your own)
According to usenet standards and given your initial question, this is a
_very_ friendly answer.
--
Baba a écrit :
Hi
I am working on an exercise which requires me to write a funtion that
will check if a given word can be found in a given dictionary (the
hand).
def is_valid_word(word, hand, word_list):
Returns True if word is in the word_list and is entirely
composed of letters
Phlip a écrit :
How does that compare to, say, the Kamikaze Principle? ;)
Return victorious AND not at all!
(All return values are packed up and thrown...;)
... and then it raises a SystemError !-)
--
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Ian Hobson a écrit :
(snip)
you may also want to read the recent using modules thread...
--
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bussiere bussiere a écrit :
i've got toto.py :
import titi
def niwhom():
pass
and titi.py :
def nipang():
pass
how can i know in titi.py that's it's toto.py that is calling titi.py
and the path of toto ?
You'd have to inspect the call stack. Not for the faint at heart...
And
Phlip a écrit :
Back to the topic, I tend to do this:
for record in Model.objects.filter(pk=42):
return record
return sentinel
WTF alert here...
Having lots of short methods helps, because return provides both
control-flow and a result value. But it abuses 'for' to mean 'if'. I
Phlip a écrit :
On Sep 7, 10:12 am, Bruno Desthuilliers bruno.
42.desthuilli...@websiteburo.invalid wrote:
Phlip a écrit :
Back to the topic, I tend to do this:
for record in Model.objects.filter(pk=42):
return record
return sentinel
WTF alert here...
I don't see how anyone
Phlip a écrit :
On Sep 7, 10:36 am, Ian Kelly ian.g.ke...@gmail.com wrote:
On Tue, Sep 7, 2010 at 10:02 AM, Phlip phlip2...@gmail.com wrote:
Back to the topic, I tend to do this:
for record in Model.objects.filter(pk=42):
return record
return sentinel
How is that any better than just
Jason a écrit :
On Sep 5, 3:53 pm, Peter Otten __pete...@web.de wrote:
m = gio.File(.).monitor_directory()
C = type(m)
'C' will not necessarily be 'gio.FileMonitor' — I think the internals
of the GIO methods might further subclass it in some way depending
on what underlying monitors are
Peter Otten a écrit :
n = 1
def f():
... global n
... try:
... return n
... finally:
... n += 1
...
The same without a global:
def f(_n=[0]):
try:
return _n[0]
finally:
_n[0] += 1
But yeps, using a generator would be better.
--
Baba a écrit :
level: beginner
the following code looks ok to me but it doesn't work.
doesn't work is about the most useless description of a problem.
Please specify what you expected and what actually happens.
I would like
some hints as to where my reasoning / thought goes wrong
def
Richard Arts a écrit :
Now there is another solution. A palindrom is made of two symetric halves,
with (odd len) or without (even len) a single char between the symetric
halves, ie :
* odd : ABCBA ('AB' + 'C' + 'BA')
* even : ABCCBA ('ABC' + 'CBA')
So you just have to extract the symetric
Dave Angel a écrit :
(snip)
or (untested)
def is_palindrom(s):
s = s.lower()
return s == s[::-1]
Right, go on, make me feel a bit more stupid :-/
Who's next ?
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BartC a écrit :
Steven D'Aprano st...@remove-this-cybersource.com.au wrote in
message news:4c6f8edd$0$28653$c3e8...@news.astraweb.com...
On Fri, 20 Aug 2010 17:23:23 +0200, Bruno Desthuilliers wrote:
I onced worked in a shop (Win32 desktop / accouting applications mainly)
where I
Tim Daneliuk a écrit :
On 8/19/2010 7:23 PM, Steven D'Aprano wrote:
On Thu, 19 Aug 2010 18:27:11 -0500, Tim Daneliuk wrote:
Problem:
Given tuples in the form (key, string), use 'key' to determine what
string method to apply to the string:
table = {'l': str.lower, 'u': str.upper}
Steven D'Aprano a écrit :
On Fri, 20 Aug 2010 17:23:23 +0200, Bruno Desthuilliers wrote:
Steven D'Aprano a écrit :
On Thu, 19 Aug 2010 22:00:16 +, Martin Gregorie wrote:
Recursion can be quite a trick to get your mind round at first
Really? Do people actually find the *concept
Stefan Schwarzer a écrit :
Hi Neil,
On 2010-08-17 14:42, Neil Cerutti wrote:
(snip)
Looking through my code, the split-up lines almost always include
string literals or elimination of meaningless temporary
variables, e.g.:
self.expiration_date = translate_date(find(response,
Rony a écrit :
It looks like I forgot to specify that the product is a totaly new
product build from scratch, not an upgrade from an existing product.
Still the advice to first find out what went wrong with the previous
project is a very sensible one. Technical problems do exist, but from
Steven D'Aprano a écrit :
On Thu, 19 Aug 2010 22:00:16 +, Martin Gregorie wrote:
Recursion can be quite a trick to get your mind round at first
Really? Do people actually find the *concept* of recursion to be tricky?
I onced worked in a shop (Win32 desktop / accouting applications
Michel Claveau - MVP a écrit :
Salut !
C'est cela, la solitude du programmeur génial...
@-salutations
Moi aussi je t'aime, Michel !-)
--
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Steven D'Aprano a écrit :
Oh my ... I've seen people writing Java in Python, C++ in Python, Perl in
Python, even VB in Python, but this is the first time I've meet some one
who wants to write assembler in Python :)
+1 QOTW
--
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Vikas Mahajan a écrit :
On 16 August 2010 19:23, Nitin Pawar nitinpawar...@gmail.com wrote:
you would need to define a class first with its attiributes and then you may
want to initiate the variables by calling the class initilializer
Actually I have to dynamically add attributes to a object.
blur959 a écrit :
Hi, all, Is there a way to get a number of files in a particular
directory? I tried using os.walk, os.listdir but they are return me
with a list, tuple of the files, etc. But I want it to return a
number. Is it possible?
len(any_sequence)
--
ph4nut a écrit :
Hi all,I am learning Quixote a few days ago,,,and i have no idea about
whether there is any Google Group talking about Quixote,so i post this
post to check that is Quixote been talking in this group before or can
i ask question about Quixote here!
From the project's home page:
geremy condra a écrit :
(about eclipse+pydev)
Or you could use a text editor and a terminal and spare yourself the
agony of dealing with 600MB of Java of questionable quality ;).
+1 QOTW
--
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Gregory Ewing a écrit :
Ethan Furman wrote:
Instead of using 'is' use '=='. Maybe not as cute, but definitely
more robust!
It's also just as efficient if you use strings that
resemble identifiers, because they will be interned,
Remember : this IS an implementation detail.
--
Johan a écrit :
Dear all,
Considering this test program:
def tst(a={}):
Stop here, we already know what will follow !-)
And yes, it's one of Python's most (in)famous gotchas : default
arguments values are computed only once, at function definition time
(that is, when the def statement is
Roald de Vries a écrit :
'not None' first casts None to a bool, and then applies 'not', so 'x is
not None' means 'x is True'.
Obviously plain wrong :
Python 2.6.2 (release26-maint, Apr 19 2009, 01:56:41)
[GCC 4.3.3] on linux2
Type help, copyright, credits or license for more information.
Chris Hare a écrit :
I have a database query result (see code below). In PHP, I would have said
list(var1,var2,var) = $result
Other already answered on the Python equivalent. But there's an IMHO
better way, which is to use (if the DB-API connector provides it) a
DictCursor, that yields
Richard D. Moores a écrit :
On Thu, Aug 5, 2010 at 16:15, Rhodri James rho...@wildebst.demon.co.uk wrote:
On Thu, 05 Aug 2010 17:07:53 +0100, wheres pythonmonks
wherespythonmo...@gmail.com wrote:
You're not testing for equivalence there, you're testing for identity. is
and is not test
Gregory Ewing a écrit :
(snip)
import weakref
class weakmethod(object):
def __init__(self, bm):
self.ref = weakref.ref(bm.im_self)
self.func = bm.im_func
def __call__(self, *args, **kwds):
obj = self.ref()
if obj is None:
raise ValueError(Calling dead weak method)
Ethan Furman a écrit :
Bruno Desthuilliers wrote:
Bruno Desthuilliers a écrit :
Ethan Furman a écrit :
Bruno Desthuilliers wrote:
Duncan Booth a écrit :
(snip)
Or you could create the default as a class attribute
from the OP:
I have a class (FuncDesigner oofun) that has no attribute
wheres pythonmonks a écrit :
Thanks ... I thought int was a type-cast (like in C++) so I assumed I
couldn't reference it.
Python has no C/C++ like type-cast. int is the builtin integer type,
and instanciating an object in Python is done by calling it's type.
Remember that in Python,
Peng Yu a écrit :
Hi
I'm still kind of confused about the terminology on classes in python.
Could you please let me know what the equivalent terms for the
following C++ terms?
C++ and Python having very different semantics and object models,
there's not necessarily a straight one to one
Ethan Furman a écrit :
Bruno Desthuilliers wrote:
Duncan Booth a écrit :
(snip)
Or you could create the default as a class attribute
from the OP:
I have a class (FuncDesigner oofun) that has no attribute size, but
it is overloaded in __getattr__, so if someone invokes
myObject.size
Bruno Desthuilliers a écrit :
Ethan Furman a écrit :
Bruno Desthuilliers wrote:
Duncan Booth a écrit :
(snip)
Or you could create the default as a class attribute
from the OP:
I have a class (FuncDesigner oofun) that has no attribute size, but
it is overloaded in __getattr__, so
Daniel Fetchinson a écrit :
Hi folks,
If I'm only interested in linux and windows I know I can do
import os
import platform
if platform.system( ) == 'Linux':
clear = 'clear'
else:
clear = 'cls'
os.system( clear )
or
Grant Edwards a écrit :
On 2010-07-27, Bruno Desthuilliers bruno.42.desthuilli...@websiteburo.invalid
wrote:
Daniel Fetchinson a ?crit :
(snip)
Why was clearing a terminal left out?
What you're talking about is a shell, not a terminal (a terminal is a
physical device).
No, what he's
dmitrey a écrit :
(snip)
This doesn't stack with the following issue: sometimes user can write
in code myObject.size = (some integer value) and then it will be
involved in future calculations as ordinary fixed value; if user
doesn't supply it, but myObject.size is involved in calculations, then
Duncan Booth a écrit :
Bruno Desthuilliers bruno.42.desthuilli...@websiteburo.invalid wrote:
If you don't want to create as many Whatever instances as MyClass
instances, you can create a single Whatever instance before defining
your class:
DEFAULT_WHATEVER = Whathever()
class MyClass
be.krul a écrit :
Why not moderate this group?
This is a hi-traffic group, so it would require a huge team of moderators.
--
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Les Schaffer a écrit :
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.
(snip)
but none of this has anything to do with Python itself. i am sure python
servers have been
Gilles Ganault a écrit :
Hello
I'd like to write a small web app in Python which must include a
forum.
So I checked the relevant article in Wikipedia, which says that only
one forum app is available for Python:
http://en.wikipedia.org/wiki/Comparison_of_internet_forum_software_(other)
kedra marbun a écrit :
On Jul 7, 2:46 am, Bruno Desthuilliers
bdesth.quelquech...@free.quelquepart.fr wrote:
Gregory Ewing a écrit :
Bruno Desthuilliers wrote:
kedra marbun a écrit :
if we limit our discussion to py:
why __{get|set|delete}__ don't receive the 'name' 'class' from
kedra marbun a écrit :
On Jul 5, 3:42 pm, Bruno Desthuilliers bruno.
42.desthuilli...@websiteburo.invalid wrote:
kedra marbun a écrit :
i'm confused which part that doesn't make sense?
this is my 2nd attempt to py, the 1st was on april this year, it was
just a month, i'm afraid i haven't
Gregory Ewing a écrit :
Bruno Desthuilliers wrote:
kedra marbun a écrit :
if we limit our discussion to py:
why __{get|set|delete}__ don't receive the 'name' 'class' from
__{getattribute|{set|del}attr}__
'name' is the name that is searched
While it would have been technically possible
kedra marbun a écrit :
i'm confused which part that doesn't make sense?
this is my 2nd attempt to py, the 1st was on april this year, it was
just a month, i'm afraid i haven't got the fundamentals right yet. so
i'm gonna lay out how i got to this conclusion, CMIIW
**explanation of feeling (0)
Matthew Vernon a écrit :
Hi,
Is there a more idiomatic way of loading in a configuration file
that's python code than:
_temp=__import__(path,fromlist='cachestrs')
cachestrs=_temp.cachestrs
? I mean, that's pretty ugly...Plain import doesn't work in this
case because 'path' is a
kedra marbun a écrit :
if we limit our discussion to py:
why __{get|set|delete}__ don't receive the 'name' 'class' from
__{getattribute|{set|del}attr}__
'name' is the name that is searched
While it would have been technically possible, I fail to imagine any use
case for this.
--
WANG Cong a écrit :
On 07/01/10 23:19, Stephen Hansen me+list/pyt...@ixokai.io wrote:
As long as setattr() exists in Python, that will be not so ordinary. :)
setattr is perfectly ordinary.
If you think setattr() is as ordinary as a trivial assignment,
setattr IS a trivial assignment.
WANG Cong a écrit :
On 06/30/10 01:25, Ethan Furman et...@stoneleaf.us wrote:
But if so why setattr() still exists? What is it for if we can do the
same thing via assignments? Also, in order to be perfect, Python should
accept to add dynamic attributes dynamically, something like PEP
363. That
D'Arcy J.M. Cain a écrit :
On Wed, 30 Jun 2010 14:06:05 -0700
Stephen Hansen me+list/pyt...@ixokai.io wrote:
Gmail and Google Groups are not one and the same. There's a number of
people who subscribe to the list directly, use Gmail, and don't go
anywhere near Google Groups.
I know that. My
egbert a écrit :
Normally you use setattr() if the name of the attribute is in a
namestring:
setattr(self, namestring, value)
But my attributes are lists or dictionaries, and I don't seem to be
able to use setattr anymore.
Python 2.6.2 (release26-maint, Apr 19 2009, 01:56:41)
[GCC 4.3.3] on
Stephen Hansen a écrit :
On 6/30/10 10:37 PM, Aahz wrote:
In article4c29ad38$0$26210$426a7...@news.free.fr,
Bruno Desthuilliersbruno.42.desthuilli...@websiteburo.invalid wrote:
Aahz a écrit :
In article4c285e7c$0$17371$426a7...@news.free.fr,
Bruno
D'Arcy J.M. Cain a écrit :
On Thu, 01 Jul 2010 14:07:27 +0200
Bruno Desthuilliers bruno.42.desthuilli...@websiteburo.invalid wrote:
And AFAICT you're wrong. I read and post to c.l.py using my newsreader
(so NOT going thru GG), and my personal address is @gmail.com.
But...
From: Bruno
Aahz a écrit :
In article 4c285e7c$0$17371$426a7...@news.free.fr,
Bruno Desthuilliers bruno.42.desthuilli...@websiteburo.invalid wrote:
Aahz a écrit :
In article 4c2747c1$0$4545$426a7...@news.free.fr,
Bruno Desthuilliers bdesth.quelquech...@free.quelquepart.fr wrote:
Python has no pretention
Aahz a écrit :
In article 4c2747c1$0$4545$426a7...@news.free.fr,
Bruno Desthuilliers bdesth.quelquech...@free.quelquepart.fr wrote:
Python has no pretention at elegance.
That's not true at all. More precisely, I would agree with you if the
emphasis is on pretention but not if the emphasis
Carl Banks a écrit :
On Jun 27, 3:49 am, Bruno Desthuilliers
bdesth.quelquech...@free.quelquepart.fr wrote:
WANG Cong a écrit :
On 06/26/10 00:11, Neil Hodgson nyamatongwe+thun...@gmail.com wrote:
WANG Cong:
4) Also, this will _somewhat_ violate the OOP princples, in OOP,
this is and should
Alexander Kapps a écrit :
(snip)
While I personally don't agree with this proposal (but I understand why
some people might want it), I can see a reason.
When disallowing direct attribute creation, those typos that seem to
catch newcommers won't happen anymore. What I mean is this:
class
WANG Cong a écrit :
On 06/25/10 15:34, Bruno Desthuilliers
bruno.42.desthuilli...@websiteburo.invalid wrote:
WANG Cong a écrit :
Hi, list!
I have a doubt about the design of dynamic attribute creation by
assignments in Python.
As we know, in Python, we are able to create a new
WANG Cong a écrit :
(snip)
The point is why making metaprogramming easy is wonderful?
Because it makes life easier ?-)
AND, even if
it were wonderful, why only this one, i.e. creating attributes by
assignments, not other things?
Like :
class Test(object):
a = 1
del Test.a
?-)
2)
WANG Cong a écrit :
On 06/25/10 17:25, Steven D'Aprano st...@remove-this-cybersource.com.au
wrote:
On Fri, 25 Jun 2010 14:15:12 +0100, WANG Cong wrote:
(snip)
4) Also, this will _somewhat_ violate the OOP princples, in OOP, this is
and should be implemented by inherence.
Perhaps, and
WANG Cong a écrit :
On 06/26/10 00:11, Neil Hodgson nyamatongwe+thun...@gmail.com wrote:
WANG Cong:
4) Also, this will _somewhat_ violate the OOP princples, in OOP,
this is and should be implemented by inherence.
Most object oriented programming languages starting with Smalltalk
have
Li Hui a écrit :
When I add enctype=text/plain to a post form like form action=/auth
method=post enctype=text/plain, there is a CSRF verification
failed. error.
But when I remove it, all is right.
Who can tell me why?
http://groups.google.com/group/django-users
WANG Cong a écrit :
Hi, list!
I have a doubt about the design of dynamic attribute creation by
assignments in Python.
As we know, in Python, we are able to create a new attribute of
a class dynamically by an assignment:
class test: pass
...
test.a = hello
test.a
'hello'
However, I still
Vlastimil Brom a écrit :
Hi all,
I'd like to ask about the most reasonable/recommended/... way to
modify the functionality of the standard library module (if it is
recommended at all).
(snip)
However, I'd like to ask, how to best maintain this modified
functionality in the sourcecode.
I tried
Victoria Hernandez a écrit :
The new mision I herits the buggered code (i do not the bugger). How
do debugger him? Tahnk you very much. Vikhy :)
http://docs.python.org/library/pdb.html#module-pdb
http://docs.python.org/library/unittest.html#module-unittest
--
Neil Webster a écrit :
Thanks for the help so far.
The background to the problem is that the lists come from reading a
dbf file. The code that I am trying to write is to merge lines of the
dbf based on the first column. So in my example there would be three
lines:
a 2 3 4
b 10 11 12
a 2 3 4
Mag Gam a écrit :
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 programs
more
Dennis Lee Bieber a écrit :
(snip - about Tkinter IntVar type)
It is NOT a numeric variable in Python realms.
So var+=increment can't be used because Python would rebind the name
var to a new object -- but Tkinter would still be hooked to the original
object and never see the
Vlastimil Brom a écrit :
Many thanks for your insights!
Just now, I am the almost the only user of this script, hence the
consequences of version mismatches etc. shouldn't (directly) affect
anyone else, fortunately.
So far so good.
However, I'd like to ask for some clarification about
Jerry Rocteur a écrit :
(snip)
As part of learning Python, I'm also learning OOP! That is why I want to know
if this is doable using classes.
The input is not important, I end up with the dictionary as described in the
question and as I asked in the question,
I'd like to access the
Neil Webster a écrit :
Hi all,
I've got a simple problem but it's defeated me and I was wondering if
somebody could point out where I'm going wrong
1/ not posting working code (got a NameError)
2/ not posting the expected output
3/ not posting the actual output
or offer an alternative
News123 a écrit :
Hi,
So far I never really had to ask this question and this is also, why I
am stil a little shaky on this topic:
So far the typical LAMP server existed already and contained already a
lot of existing PHP web applications, which I couldn't remove.
Therefore I just used
someone a écrit :
On Jun 18, 12:49 pm, James Mills prolo...@shortcircuit.net.au wrote:
On Fri, Jun 18, 2010 at 8:31 PM, someone petshm...@googlemail.com wrote:
I was looking for a short way to do it because I have a lot
some_object.attr.attr or some_object.other_attr.attr in code. it
looks
Christoph Groth a écrit :
Dear all,
sometimes it is handy to have a function which can take as argument
anything which can be converted into something, e.g.
def foo(arg):
arg = float(arg)
# ...
I would like to mimic this behavior of float for a user-defined type,
e.g.
def bar(arg):
someone a écrit :
On Jun 18, 2:05 pm, Bruno Desthuilliers bruno.
42.desthuilli...@websiteburo.invalid wrote:
(snip)
Still has a code smell thing to me, but hard to say not knowing the
real code and context.
sorry, code is not about printing variables rather accessing, it's
just example
Christoph Groth a écrit :
Bruno Desthuilliers bruno.42.desthuilli...@websiteburo.invalid writes:
It seems to me that in this way I might get problems when I pass an
instance of Derived_from_my_type to bar, as it will become an
instance of My_type.
The instance you pass to bar won't become
Bruno Desthuilliers a écrit :
Christoph Groth a écrit :
Bruno Desthuilliers bruno.42.desthuilli...@websiteburo.invalid writes:
(snip)
In C++
Forget about C++ - Python is a different beast !-)
Still, it is useful and interesting to compare languages.
Indeed. But you have to understand
Matteo Landi a écrit :
Some weeks ago, here on the mailing list I read about picloud[1], a
python library used for cloud-computing; I was impressed by its
simplicity, here is an example:
import cloud
def square(x):
... return x * x
cloud.call(square, 10)
cloud.result()
100
So, I tried to
Andreas Tawn a écrit :
On 06/17/2010 01:04 AM, Stephen Hansen wrote:
On 6/16/10 10:40 PM, madhuri vio wrote:
if i want to create a button
which performs the transcription of dna to rna
(snip the GUI part)
Seems like a simple problem... or am I missing something?
def translate():
answering the OP - didn't show up on c.l.py
On Sun, Jun 13, 2010 at 4:07 PM, bolega gnuist...@gmail.com wrote:
I am trying to compare LISP/Scheme/Python for their expressiveness.
Scheme is actually a lisp, isn't it ?
For this, I propose a vanilla C interpreter. I have seen a book which
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