On 2006-03-26, Andrew Gwozdziewycz [EMAIL PROTECTED] wrote:
If you want something that won't get in your way, you should really
use /bin/ed. It's probably simpler to use then searching the archives.
/bin/ed will also run in cygwin for windows.
Can one of you say to me what's the best editor
List,
I'd like to do the following with Tkinter's Frame() object:
1. Display a collection of pack()-able objects. Easy. Done. I hold
the objects in a dictionary, mostly so that the owning program can refer
to them uniformly.
2. Whenever the collection is added to or deleted from, re-pack()
On 2006-02-11, Alex Martelli [EMAIL PROTECTED] wrote:
[EMAIL PROTECTED] [EMAIL PROTECTED] wrote:
Problem:
You have a list of unknown length, such as this: list =
[X,X,X,O,O,O,O]. You want to extract all and only the X's. You know
the X's are all up front and you know that the item after
On 2006-02-11, Kenneth Xie [EMAIL PROTECTED] wrote:
att, thx.
A lot of the ideas discussed in Effective C++ et al are things that
Python does for us already. C++ works at a much lower layer of
abstraction and you need to deal explicitly with freestore for any
nontrivial class.
EC++ is mostly
On 2006-02-08, Ben Wilson [EMAIL PROTECTED] wrote:
But the point is, the current situation is not newbie-friendly (I can
tell, I am a newbie)
I will agree to that, as I consider myself still new. _But_, it's a
stumbling stone only briefly. Get enough nagging error messages, and
you learn and
On 2006-02-08, News [EMAIL PROTECTED] wrote:
I am new in using Python
Anyone know how to implement breadth first search using Python? Can Python
create list dynamically, I want to implement a program which will read data
from a file and store each line into a list, is this possible?
Please
On 2006-01-31, Fredrik Lundh [EMAIL PROTECTED] wrote:
def ExpensiveObject():
global _expensiveObject
if _expensiveObject is None:
_expensiveObject = A VERY Expensive object
print CREATED VERY EXPENSIVE OBJECT
return _expensiveObject
On 2006-01-31, bruno at modulix [EMAIL PROTECTED] wrote:
See other answers in this thread for how to solve the UnboundLocalError
problem.
Now about your *real* problem - which is nothing new -, you may want to
read about some known solutions:
http://en.wikipedia.org/wiki/Singleton_pattern
List:
I've a module that's not doing what I expect. My guess is that I don't
quite understand the scoping rules the way I should.
I have an object that's costly to create. My thought was to create it
at the module level like this:
# expensive Object Module
_expensiveObject = None
def
On 2006-01-31, Farshid Lashkari [EMAIL PROTECTED] wrote:
You need to declare _expensiveObject as global inside your function.
Whenever you assign something to a variable that resides in the global
scope inside a function, you need to declare it as global at the
beginning of the function. So
On 2006-01-28, Peter Otten [EMAIL PROTECTED] wrote:
Charles Krug wrote:
Is there a way to detect that I'm running the the PyWin interpreter so
that I can bypass its raw_input behavior?
You could test
if pywin_specific_module in sys.modules:
# use workaraound
Or maybe you can get away
On 2006-01-28, Charles Krug [EMAIL PROTECTED] wrote:
On 2006-01-28, Peter Otten [EMAIL PROTECTED] wrote:
Charles Krug wrote:
Is there a way to detect that I'm running the the PyWin interpreter so
that I can bypass its raw_input behavior?
You could test
if pywin_specific_module
Here's the deal:
I've a dead-simple command-line program I'm using to test things that I
can't (for various reasons) test in the IDE.
Here's a do-nothing subset that shows the idea:
# insanely simply command interpreter
import Commands
import sys
myPrompt = '$ '
# Raw Input doesn't QUITE do
On 2006-01-28, Steven D'Aprano [EMAIL PROTECTED] wrote:
As the comment says, when I run this under Python Win, I get an (pretty
sure) Tkinter interface, not a command line, and I don't get my
EOFError when I expect to.
When do you expect to get an EOFError? The only way I get an EOFError is
On 2006-01-16, Alex Martelli [EMAIL PROTECTED] wrote:
Charles Krug [EMAIL PROTECTED] wrote:
...
I'm trying to create a list of all of C's subclasses:
There's a class method for that very purpose:
class C(object): pass
...
class D(C): pass
...
class E(C): pass
...
C
List:
I have this:
# classC.py
class C(object): pass
class D(C): pass
class E(C): pass
def CSubclasses():
for name in dir(): pass
I'm trying to create a list of all of C's subclasses:
import classC
print C
aList = []
for name in dir(classC):
print name,
try:
if
On 2006-01-11, Fredrik Lundh [EMAIL PROTECTED] wrote:
Charles Krug wrote:
What I'd like is to do something like this:
factoryFile = sys.argv[1] # we assume that argv[1] implements a
# correct ThingMaker interface.
sys.argv[1] is a string, so I assume that you
List:
I have an idea for an abstract factory that parameterizes the factory
with an input module.
The general ideom can be expressed thus:
class ThingFactory(object):
def CreateThisThing() : return ThisThing()
def CreateThatThing() : return ThatThing()
def CreateTheOtherThing() :
On Mon, 10 Oct 2005 11:21:18 -0700, Donn Cave [EMAIL PROTECTED]
wrote:
Iron-
Python). is it still an interpreter if it generates machine code?
Is what an interpreter?
I am not very well acquainted with these technologies, but it sounds
like variations on the implementation of an
On Mon, 10 Oct 2005 15:46:34 -0500, Terry Hancock
[EMAIL PROTECTED] wrote:
On Saturday 08 October 2005 04:35 am, Steve Holden wrote:
I must have been working at NASA at the time; they are well known for
embiggening prices.
Not nearly as much as the DoD, from what I hear.
Truthfully, I
On Mon, 19 Sep 2005 12:10:04 GMT, Chris [EMAIL PROTECTED] wrote:
Thanks to everyone for your help!
That fit the need perfectly.
In article [EMAIL PROTECTED],
[EMAIL PROTECTED] says...
Is there a way to make python create a list of Mondays for a given year?
For example,
mondays =
On 19 Sep 2005 00:02:34 -0700, malv [EMAIL PROTECTED] wrote:
Simple case:
In this list, how to find all occurences of intervals of n adjacent
indexes having at least one list-member with a value between given
limits.
Visualizing the list as a two-dimensional curve, this is like
horizontally
On Fri, 08 Jul 2005 22:43:55 +0300, Elmo Mäntynen [EMAIL PROTECTED]
wrote:
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Import Error: no module named PP2E.launchmodes
However if I copy launchmodes.py into my work directory, it imports
successfully.
Both Examples above and
List:
I'm trying to use the example files from Programming Python, 2nd Ed.
I've copied them into c:\Python24\Examples\PP2E.
Launching any of the examples programs by themselves seems to work
spiffily.
Using regedit, I appended c:\Python24\Examples\PP2E to Pythonpath
from the immediate window,
On Sat, 25 Jun 2005 14:50:48 GMT, Brian [EMAIL PROTECTED] wrote:
Do Re Mi chel La Si Do wrote:
rather... super troll
100% Agreed.
Can anyone say, This looks like spam... Feels like spam... and is about
as useful here in the Python forums as spam -- therfore my conclusion is
that
On Mon, 20 Jun 2005 23:42:21 -0800, EP [EMAIL PROTECTED] wrote:
Oren suggested:
How about using the filesystem as a database? For the number of records
you describe it may work surprisingly well. A bonus is that the
database is easy to manage manually.
I tried this for one application
On Tue, 21 Jun 2005 12:05:25 +0200, Magnus Lycka [EMAIL PROTECTED] wrote:
Remi Villatel wrote:
while True:
some(code)
if final_condition is True:
break
#
#
What I don't find so nice is to have to build an infinite loop only to
break it.
This is a common Python
On Mon, 20 Jun 2005 06:36:42 GMT, Ron Adam [EMAIL PROTECTED] wrote:
Ron Adam wrote:
You might be able to use a dictionary of tuples.
call_obj = {(type_obj1,0):obj1a,
(type_obj1,0):obj1b,
(type_boj2,1):obj2a,
(type_obj2,1):obj2b,
etc... }
List:
First, I'm reading that aString.split() is depreciated. What's the
current best practice for this?
Or am I mistaking that:
myWords = split(aString, aChar)
is depreciated but
myWords = aString.split(aChgar)
is not?
Second question, I've written a script that generates a LaTeX source
On 20 Jun 2005 15:51:07 GMT, Duncan Booth [EMAIL PROTECTED] wrote:
Peter Hansen wrote:
The target of the problems (my daughter) would prefer that the thousands
be delimited. Is there a string function that does this?
You refer to something like putting a comma between groups of three
On 20 May 2005 15:35:10 -0700, [EMAIL PROTECTED] [EMAIL PROTECTED]
wrote:
Is there a better way to code nested for loops as far as performance is
concerned.
what better way can we write to improve the speed.
for example:
N=1
for i in range(N):
for j in range(N):
do_job1
On 5 May 2005 10:37:00 -0700, mrstephengross [EMAIL PROTECTED] wrote:
Hi all... How can I find out the number of significant digits (to the
right of the decimal place, that is) in a double? At least, I *think*
that's what I'm asking for. For instance:
0.103 -- 3
0.0103 -- 4
0.00103 -- 5
List:
I'm playing with some image algorithms and one of the examples discusses
fingerprint comparison.
The NIST has fingerprint sample files for download, in NIST IHead
format. Has anyone built a reader for that format?
Thanks
Charles
--
On 28 Apr 2005 10:34:44 -0700, [EMAIL PROTECTED]
[EMAIL PROTECTED] wrote:
Hey yall,
I'm new to Python and I love it. Now I can get most of the topics
covered with the Python tutorials I've read but the one thats just
stumping me is Object Orientation. I can't get the grasp of it. Does
anyone
List:
I'm trying to us pylab to see what I'm doing with some DSP algorithms,
in case my posts about convolution and ffts weren't giving it away.
I've been using pylab's plot function, but I'm finding it a bit
cumbersome.
It works, but if I switch from the interactive window to the plot window
On Wed, 27 Apr 2005 20:56:07 -0500, John Hunter
[EMAIL PROTECTED] wrote:
Charles == Charles Krug [EMAIL PROTECTED] writes:
Charles List: I'm trying to us pylab to see what I'm doing with
Charles some DSP algorithms, in case my posts about convolution
Charles and ffts weren't giving
I've a function that needs to maintain an ordered sequence between
calls.
In C or C++, I'd declare the pointer (or collection object) static at
the function scope.
What's the Pythonic way to do this?
Is there a better solution than putting the sequence at module scope?
Thanks.
--
On Mon, 25 Apr 2005 21:30:18 -0500, Jaime Wyant
[EMAIL PROTECTED] wrote:
Well, if you're a c++ programmer,
Well, my forte is embedded systems and device controls . . .
then you've probably ran into
`functors' at one time or another. You can emulate it by making a
python object that is
List:
Is there a Python package with Convolution and related methods?
I'm working on modeling some DSP processes in Python. I've rolled one
up, but don't feel much like reinventing the wheel, especially if
there's already something like Insanely Efficient FFT for Python
already.
Thanks
List:
I'm working on some methods that operate on (mathematical) vectors as
in:
def Convolution(x, y)
Returns a list containing the convolution of vectors x and y
Is there any way to determine at runtime that x and y are iterible
collections?
Do I *coughs* simply *coughs* trap the exception
On Thu, 21 Apr 2005 13:13:17 -0400, David M. Cooke
[EMAIL PROTECTED] wrote:
Charles Krug [EMAIL PROTECTED] writes:
List:
Is there a Python package with Convolution and related methods?
I'm working on modeling some DSP processes in Python. I've rolled one
up, but don't feel much like
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