On Oct 27, 4:55 pm, Lawrence D'Oliveiro l...@geek-
central.gen.new_zealand wrote:
Would it be right to say that the only Lisp still in common use is the Elisp
built into Emacs?
There is a new version of Lisp called Clojure that runs on the Java
Virtual Machine (JVM) that is on the upswing.
in C I can have a function maximum(int a, int b) that will always
work. Never blow up, and never give an invalid answer. If someone
tries to call it incorrectly it is a compile error.
I would agree that the third sentence is arguably wrong, simply
because there's
...@u31g2000pru.googlegroups.com
From: TheFlyingDutchman zzbba...@aol.com
Newsgroups: comp.lang.lisp
[...]
in C I can have a function maximum(int a, int b) that will always
work. Never blow up, and never give an invalid answer. If someone
tries
That argument can be made for dynamic language as well. If you write in
dynamic language (e.g. python):
def maximum(a, b):
return a if a b else b
The dynamic language's version of maximum() function is 100% correct --
if you passed an uncomparable object, instead of a number, your
Yes. Nonetheless, the maximum() function does exactly what it is intended
to do *with the inputs it receives*. The failure is outside the function;
it did the right thing with the data actually passed to it, the problem
was a user misunderstanding as to what data were being passed to
On Sep 30, 1:02 am, Paul Rubin no.em...@nospam.invalid wrote:
in C I can have a function maximum(int a, int b) that will always
work. Never blow up, and never give an invalid answer. If someone
tries to call it incorrectly it is a compile error.
The second sentence is not
On Sep 30, 1:40 am, RG rnospa...@flownet.com wrote:
In article
5bf24e59-1be0-4d31-9fa7-c03a8bf9b...@y12g2000prb.googlegroups.com,
TheFlyingDutchman zzbba...@aol.com wrote:
Yes. Nonetheless, the maximum() function does exactly what it is
intended
to do *with the inputs
in C I can have a function maximum(int a, int b) that will always
work. Never blow up, and never give an invalid answer.
Dynamic typed languages like Python fail in this case on Never blows
up.
How do you define Never blows up?
Never has execution halt.
I think a key reason in the
If I had to choose between blow up or invalid answer I would pick
invalid answer.
there are some application domains where neither option would be
viewed as a satisfactory error handling strategy. Fly-by-wire, petro-
chemicals, nuclear power generation. Hell you'd expect better than
More specifically, the claim made above:
in C I can have a function maximum(int a, int b) that will always
work. Never blow up, and never give an invalid answer.
is false. And it is not necessary to invoke the vagaries of run-time
input to demonstrate that it is false.
I don't think
On Jul 23, 12:06 pm, Emmy Noether emmynoeth...@gmail.com wrote:
Title Portable LISP interpreter
Creator/Author Cox, L.A. Jr. ; Taylor, W.P.
Publication Date 1978 May 31
OSTI Identifier OSTI ID: 7017786
Report Number(s) UCRL-52417
DOE Contract Number W-7405-ENG-48
If you're building an extension tree, you'll either have to supply
layers of getter/setter methods, or hand-mangle references to attributes
defined in the superclass.
Say you start with a Point2D class, and make the X, Y coordinates
double underscore.
Now extend it
On Jan 23, 8:57 am, Dennis Lee Bieber wlfr...@ix.netcom.com wrote:
On Fri, 23 Jan 2009 01:48:32 -0800 (PST), TheFlyingDutchman
zzbba...@aol.com declaimed the following in comp.lang.python:
abstraction. In Python, all class attributes are public but names may
be mangled to discourage
* No getters and setters. Python takes a very permissive approach to
class attributes, taking the philosophy we're all adults here. It's
easy to change a public attribute to a private attribute with a getter/
setter if you need to, so there's nothing to be gained by writing getters
for
class Foo(object):
def __init__(self, a, b=10, c=None):
Whereas in Java or C++ this would require several overloads, it can be
succinctly expressed as a single method in Python.
Not that it's important to the discussion, but, while Java does not
have the capability to give default
On Nov 3, 6:11 am, Simon Pickles [EMAIL PROTECTED] wrote:
Coming from a Visual Studio background, editing text files and using the
terminal to execute them offends my sensibilities :)
YOu should take a look at Wing IDE Professional - www.wingware.com
--
On Nov 9, 8:33 pm, Bighead [EMAIL PROTECTED] wrote:
Hi,
I am currently working on a CGI deployed on an Apache server, which,
given an arbitrary SQL, fetches raw data from a remote DB server and
return them in a HTML page. This CGI works fine on quick SQLs.
But when I try to run a slow SQL
On Oct 31, 8:11 am, Carl Banks [EMAIL PROTECTED] wrote:
string.find has always been kind of a wart in Python; that's why
they're getting rid of it. For testing for the presence of a
substring, use the in operator:
Per the Python 3000 presentation given by Guido Van Rossum at
PyCon February
I finally gave up trying to install to c:\Python25 and went with the
install to C:\. However, I tried to install a module called pywin32
(Python for Windows Extensions) and after recognizing that the Python
installation was in C:\ and saying it would install to C:\LIB\SITE-
PACKAGES, it would
On Oct 24, 11:22 pm, Tim Roberts [EMAIL PROTECTED] wrote:
TheFlyingDutchman [EMAIL PROTECTED] wrote:
I am trying to install Python 2.5 on Windows XP. It installs into the
root directory on C:\ instead of C:\Python25 which it shows by default
as what it plans to install to. Selecting D
I am trying to install Python 2.5 on Windows XP. It installs into the
root directory on C:\ instead of C:\Python25 which it shows by default
as what it plans to install to. Selecting D:\Python25 on a previous
iteration put the exe in D:\ and did not create a Python25 directory.
On the most recent
I manually created C:\Python25 the reran the install program. The
installation program noted that C:\Python25 existed and asked me if I
still wanted to install there. After I said yes it installed to C:\.
--
http://mail.python.org/mailman/listinfo/python-list
With C:\Python25 already existing, I tried to install to C:
\Python25\Python25. It installed to C:\.
--
http://mail.python.org/mailman/listinfo/python-list
Does anyone know how the variables label and scale are recognized
without a global statement or parameter, in the function resize() in
this code:
#!/usr/bin/env python
from Tkinter import *
def resize(ev=None):
label.config(font='Helvetica -%d bold' % \
scale.get())
top =
On Sep 28, 2:49 am, Diez B. Roggisch [EMAIL PROTECTED] wrote:
TheFlyingDutchman wrote:
The fact that you compare and criticise the simple annotations like
static or abstract with the much more powerful decorator concept shows
that, despite being the maintainer of a
soon-to-be-ruling
On Sep 28, 10:01 am, Marc 'BlackJack' Rintsch [EMAIL PROTECTED] wrote:
On Fri, 28 Sep 2007 09:42:49 -0700, TheFlyingDutchman wrote:
Which of the common languages have higher order functions and what is
the syntax?
C, C++, Pascal, Perl, PHP, Ruby have them. And of course the functional
The fact that you compare and criticise the simple annotations like
static or abstract with the much more powerful decorator concept shows
that, despite being the maintainer of a
soon-to-be-ruling-the-python-world Python 3 fork, lack understanding of
even the most basic language features.
On Sep 28, 9:30 am, Diez B. Roggisch [EMAIL PROTECTED] wrote:
You said it was a most basic language feature. I still haven't heard
anything that leads me to believe that statement is correct. What
languages implemented decorators as a most basic language feature?
I was talking about
Decorators are syntax sugar for higher order functions. Higher order
functions are a both a basic and a fundamental language feature, and
exist in many languages. The fact that you don't know this just
proves, once again, that you like to talk more than you like to learn.
Which of the common
On Sep 28, 10:57 am, Steve Holden [EMAIL PROTECTED] wrote:
TheFlyingDutchman wrote:
On Sep 28, 10:01 am, Marc 'BlackJack' Rintsch [EMAIL PROTECTED] wrote:
On Fri, 28 Sep 2007 09:42:49 -0700, TheFlyingDutchman wrote:
Which of the common languages have higher order functions and what
On Sep 28, 11:21 am, Francesco Guerrieri [EMAIL PROTECTED]
wrote:
On 9/28/07, TheFlyingDutchman [EMAIL PROTECTED] wrote:
On Sep 28, 10:57 am, Steve Holden [EMAIL PROTECTED] wrote:
This is like listening to a four-year-old torment its parents with
incessant questions. Do you *have* to ask
On Sep 28, 11:16 am, Jean-Paul Calderone [EMAIL PROTECTED] wrote:
On Fri, 28 Sep 2007 11:04:39 -0700, TheFlyingDutchman [EMAIL PROTECTED]
wrote:
[snip]
In this case I asked it as part of the original question and it was
ignored. I have programmed in C and C++ and a little Pascal many years
On Sep 28, 11:16 am, Jean-Paul Calderone [EMAIL PROTECTED] wrote:
On Fri, 28 Sep 2007 11:04:39 -0700, TheFlyingDutchman [EMAIL PROTECTED]
wrote:
[snip]
In this case I asked it as part of the original question and it was
ignored. I have programmed in C and C++ and a little Pascal many years
Or bind resources of these pocket protectors that otherwise would lead to
answers for people that do seek enlightment...
I don't think it would be correct to characterize my posts as not
seeking enlightenment. I do also happen to voice my opinion which
seems appropriate since this can be
On Sep 28, 12:34 pm, Diez B. Roggisch [EMAIL PROTECTED] wrote:
TheFlyingDutchman wrote:
Or bind resources of these pocket protectors that otherwise would lead to
answers for people that do seek enlightment...
I don't think it would be correct to characterize my posts as not
seeking
On Sep 28, 12:45 pm, George Sakkis [EMAIL PROTECTED] wrote:
On Sep 28, 3:29 pm, TheFlyingDutchman [EMAIL PROTECTED] wrote:
One issue I have with this group and that I encountered many years ago
in the Perl group is that there is no separate group
comp.lang.python.beginner where you can ask
On Sep 28, 1:09 pm, Steve Holden [EMAIL PROTECTED] wrote:
That's because the tutor list doesn't offer a newsgroup. He was probably
just trying to get rid of you.
Now at 98.75% ...
Not sure if that's the reading on your trollmeter or on the meter that
measures what percentage of your posts
On Sep 28, 2:59 pm, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote:
Hello,
i'm debating if i should buy this book. it received good reviews at
Amazon:http://tinyurl.com/24zvrf. but it was published in 2004 and
i'm afraid quite some materials might be outdated? any input?
thanks,
kelie
I have
It seems that Python 3 is more significant for what it removes than
what it adds.
What are the additions that people find the most compelling?
--
http://mail.python.org/mailman/listinfo/python-list
- Abstract Base Classes
URL:http://www.python.org/dev/peps/pep-3119/
I like how someone here characterized decorators - those silly @
things. They remind me of Perl. Not adding keywords for abstract and
static is like Perl not adding a keyword for class. But I know all
such additions
On Sep 20, 8:47 pm, W. Watson [EMAIL PROTECTED] wrote:
How about in the case of MS Win?
Try Wing IDE at http://www.wingware.com. It can run and debug programs
and has a free version.
--
http://mail.python.org/mailman/listinfo/python-list
2
On Sep 19, 5:08 pm, Terry Reedy [EMAIL PROTECTED] wrote:
Terry Reedy [EMAIL PROTECTED] wrote in message
This assumes that comparing versions of 1.5 is still relevant. As far as I
know, his patch has not been maintained to apply against current Python.
This tells me that no one to date
I read here recently that the __str__ method of a list calls the
__repr__ method of each of its members. So you need to add a __repr__
method to your class:
class CmterIDCmts:
def __init__(self,commiterID,commits):
self.commiterID_=long(commiterID)
self.commits_=long(commits)
On Sep 20, 8:04 pm, crybaby [EMAIL PROTECTED] wrote:
I need to traverse a html page with big table that has many row and
columns. For example, how to go 35th td tag and do regex to retireve
the content. After that is done, you move down to 15th td tag from
35th tag (35+15) and do regex to
On Sep 19, 8:51 am, Steven D'Aprano [EMAIL PROTECTED]
cybersource.com.au wrote:
On Tue, 18 Sep 2007 18:09:26 -0700, TheFlyingDutchman wrote:
How much faster/slower would Greg Stein's code be on today's processors
versus CPython running on the processors of the late 1990's?
I think a better
Around 2000 I heard that Google was using Python to some extent. Now I
see that Guido Van Rossum works for them as well as Alex Martellis who
has the title Uber Technical Lead which seems to imply some fairly
heavy Python usage there. I was wondering what is done at Google with
Python and which
Have you tried Google google python. Turns up a lot of links for me.
I had done it on this newsgroup, but not google. I did find a pretty
good link:
http://panela.blog-city.com/python_at_google_greg_stein__sdforum.htm
Which says:
A few services including code.google.com and google groups.
On Sep 19, 1:02 pm, Erik Jones [EMAIL PROTECTED] wrote:
is usually Apache at most sites?
No an http server and application server are two different things.
An http server services requests of a web server those requests can
be for static files or for services of a local application in
On Sep 19, 3:41 pm, Paul Boddie [EMAIL PROTECTED] wrote:
On 19 Sep, 03:09, TheFlyingDutchman [EMAIL PROTECTED] wrote:
How much faster/slower would Greg Stein's code be on today's
processors versus CPython running on the processors of the late
1990's? And if you decide to answer, please
On Sep 19, 8:54 pm, Steven D'Aprano [EMAIL PROTECTED]
cybersource.com.au wrote:
On Wed, 19 Sep 2007 19:14:39 -0700, Paul Rubin wrote:
etc. is at best an excuse for laziness.
What are you doing about solving the problem? Apart from standing on the
side-lines calling out Get yer lazy
On Sep 19, 5:08 pm, Terry Reedy [EMAIL PROTECTED] wrote:
Terry Reedy [EMAIL PROTECTED] wrote in message
This is a little confusing because google groups does not show your
original post (not uncommon for them to lose a post in a thread - but
somehow still reflect the fact that it exists in the
On Sep 2, 5:38 pm, Eduardo O. Padoan [EMAIL PROTECTED]
wrote:
No.http://www.artima.com/weblogs/viewpost.jsp?thread=211430
Ops, I meant:http://www.artima.com/forums/threaded.jsp?forum=106thread=211200
--http://www.advogato.org/person/eopadoan/
Bookmarks:http://del.icio.us/edcrypt
No. We're
Ironic
Hi, I'm new to Python, I don't even fully know the language, never done
a full project in Python. What's more, probably I'll never will.
But that's not the point, the point is I want YOU people to modify the
language you know in and out, the program with which you've done many
The other half of the confusion is cleared up by considering that
Python methods are ordinary functions that don't magically know in
which class context they are executing: they must be told via the
first parameter.
They can be told all they want by the compiler/runtime - implicitly -
VivaLaFrance
If you wanna know why the Renault Dauphine requires the driver to pull
down on the rearview mirror in order to shift into reverse you simply
need to open the hood and remove the engine and disassemble the
transmission and you will see that it has no way of distinguishing a
shift into
On Sep 17, 4:02 am, Steve Holden [EMAIL PROTECTED] wrote:
TheFlyingDutchman wrote:
The other half of the confusion is cleared up by considering that
Python methods are ordinary functions that don't magically know in
which class context they are executing: they must be told via the
first
Well I'm with Bruce Eckel - there shouldn't be any argument for the
object in the class method parameter list. But since Python 3 was
code-named 3000 (implying but not delivering big changes... I don't
think it required big changes) and since it still has an explicit
object parameter it's a given
Here is a link to a tutorial where Sun is talking about the this
reference:
http://java.sun.com/docs/books/tutorial/java/javaOO/thiskey.html
That's a tutorial for getting you started, no reference
documentation or in-depth course.
Here's a FAQ item where they refer to it as I think
Isn't one of the main ideas behind python that it doesn't force you to
do (well, declare) anything? And by ideas I mean design decisions.
Thats exactly what makes python great for prototyping; you just do it
and see if it works. As soon as you need to declare things you have to
change stuff
(Can you tell I'm currently forced to developing in Java? ;) (Which I'm
currently avoiding to do, by wasting my time on usenet.))
Maybe you can sneak Jython into the mix. Just describe it as this
Java scripting language.
--
http://mail.python.org/mailman/listinfo/python-list
On Sep 13, 2:59 pm, [EMAIL PROTECTED] (Michael R. Copeland) wrote:
I've decided that Python is a language/environment I'd like to learn
(I've been a professional programmer for 45+ years), but I really don't
know where and how to start! I have a number of books - and am buying
some more -
If you look at the thread parameter list notation from ten days or so
ago, TheFlyingDutchman has forked Python and is working on a very special
new language, PIEthun 3.01B.
I for one am looking forward to seeing all
the very special features of PIEthun.
It will be named PIEthun 3000
On Sep 12, 4:40 am, Bjoern Schliessmann usenet-
[EMAIL PROTECTED] wrote:
Ivan Voras wrote:
What does self have to do with an object model? It's an
function/method argument that might as well be hidden in the
compiler without ever touching the role it has (if not, why?). I
agree that it's
this in C++ and Java is not shown in the parameter list, which was
what he was
complaining about. He wants
class MyClass:
def SomeFunction(someParameter):
self.someParameter = someParameter
not
class MyClass:
def SomeFunction(self, someParameter):
On Sep 12, 3:53 pm, Bjoern Schliessmann usenet-
[EMAIL PROTECTED] wrote:
TheFlyingDutchman wrote:
In C++ and Java I don't believe this is ever referred to as an
implicit function parameter.
Oh yes, it is. All methods use it as a base address into instances.
Implicitly though.
I am
On Sep 12, 5:30 pm, Amer Neely [EMAIL PROTECTED] wrote:
I'm a complete newbie with Python, but have several years experience
with Perl in a web environment.
A question I have, if someone here is familiar with Perl, does Python
have something like Perl's 'here document'? I've just searched and
On Sep 12, 5:47 pm, Ben Finney [EMAIL PROTECTED]
wrote:
TheFlyingDutchman [EMAIL PROTECTED] writes:
I am talking about how an author describes in English the this
pointer/reference in their book on programming C++ or Java.
I don't think you will find them saying that under the covers
Foo.bar(foo, spam)
foo.bar(spam)
That looks like a case of There's more than one way to do it. ;)
The first form is definitely consistent with the
method declaration, so there's a lot to be said for using that style
when teaching people to make classes - send self, receive self.
On Sep 11, 4:07 am, [david] [EMAIL PROTECTED] wrote:
returns poorly formatted values:
str(13.3)
'13.3'
str([13.3])
'[13.301]'
[david]
There is some difference in the way repr() and str() convert floats to
strings:
a = 13.3
print str(a)
13.3
print repr(a)
Python user and advocate Bruce Eckel is disappointed with the
additions (or lack of additions) in Python 3:
http://www.artima.com/weblogs/viewpost.jsp?thread=214112
--
http://mail.python.org/mailman/listinfo/python-list
On Sep 11, 8:00 pm, wangzq [EMAIL PROTECTED] wrote:
Hello,
I'm passing command line parameters to my browser, I need to pass the
complete command line as-is, for example:
test.py abc def xyz
If I use ' '.join(sys.argv[1:]), then the double quotes around abc
def is gone, but I need to pass
On Sep 11, 8:33 pm, TheFlyingDutchman [EMAIL PROTECTED] wrote:
On Sep 11, 8:00 pm, wangzq [EMAIL PROTECTED] wrote:
Hello,
I'm passing command line parameters to my browser, I need to pass the
complete command line as-is, for example:
test.py abc def xyz
If I use ' '.join(sys.argv[1
It seems that \ will retain the quote marks but then the spaces get
gobbled.
But if you replace the spaces with another character:
python.exe test.py \abc#def\#123
then:
import sys
commandLine = .join(sys.argv[1:])
prints commandLine.replace('#',' ')
gives:
abc def 123
Don't
python.exe test.py \abc def\ 123
import sys
commandLine = .join(sys.argv[1:])
print commandLine
gives:
abc def 123
With the surrounding quotes you actually only need:
commandLine = sys.argv[1]
--
http://mail.python.org/mailman/listinfo/python-list
It may be that a language that doesn't have a statement terminator
(which can be end-of-line) needs a statement continuation symbol.
(Excluding languages like Lisp that have parentheses everywhere).
--
http://mail.python.org/mailman/listinfo/python-list
On Sep 10, 2:28 am, [EMAIL PROTECTED] wrote:
Hi,
I have the following class -
class TestOutcomes:
PASSED = 0
FAILED = 1
ABORTED = 2
plus the following code -
testResult = TestOutcomes.PASSED
testResultAsString
if testResult == TestOutcomes.PASSED:
On Sep 10, 2:28 am, [EMAIL PROTECTED] wrote:
Hi,
I have the following class -
class TestOutcomes:
PASSED = 0
FAILED = 1
ABORTED = 2
plus the following code -
testResult = TestOutcomes.PASSED
testResultAsString
if testResult == TestOutcomes.PASSED:
On Sep 9, 11:20 pm, TheFlyingDutchman [EMAIL PROTECTED] wrote:
It may be that a language that doesn't have a statement terminator
(which can be end-of-line) needs a statement continuation symbol.
(Excluding languages like Lisp that have parentheses everywhere).
Actually I guess Python does
On Sep 10, 4:45 am, Bjoern Schliessmann usenet-
[EMAIL PROTECTED] wrote:
TheFlyingDutchman wrote:
It may be that a language that doesn't have a statement terminator
(which can be end-of-line) needs a statement continuation symbol.
Which language could that be? I can hardly imagine making
On Sep 8, 9:52 am, Bruno Desthuilliers
[EMAIL PROTECTED] wrote:
TheFlyingDutchman a écrit :
On Sep 10, 2:28 am, [EMAIL PROTECTED] wrote:
Hi,
I have the following class -
class TestOutcomes:
PASSED = 0
FAILED = 1
ABORTED = 2
plus the following code -
testResult
I'd like to know if the Cheeseshop package 'enum' is useful to
you. Any constructive feedback would be appreciated.
URL:http://cheeseshop.python.org/pypi/enum/
Looking at the documentation it looks excellent. But I don't
understand the 0.4.2 version number, particularly when you refer
On Sep 10, 7:12 pm, Ben Finney [EMAIL PROTECTED]
wrote:
TheFlyingDutchman [EMAIL PROTECTED] writes:
URL:http://cheeseshop.python.org/pypi/enum/
(Please preserve attribution lines so it's clear who wrote what.)
Looking at the documentation it looks excellent. But I don't
understand
On Sep 10, 8:02 pm, Ben Finney [EMAIL PROTECTED]
wrote:
TheFlyingDutchman [EMAIL PROTECTED] writes:
On Sep 10, 7:12 pm, Ben Finney [EMAIL PROTECTED]
wrote:
TheFlyingDutchman [EMAIL PROTECTED] writes:
Looking at the documentation it looks excellent. But I don't
understand the 0.4.2
On Sep 10, 7:55 pm, J. Cliff Dyer [EMAIL PROTECTED] wrote:
TheFlyingDutchman wrote:
On Sep 10, 7:12 pm, Ben Finney [EMAIL PROTECTED]
wrote:
TheFlyingDutchman [EMAIL PROTECTED] writes:
URL:http://cheeseshop.python.org/pypi/enum/
(Please preserve attribution lines so it's clear who wrote
Else, you could as well write your own testing function:
def str_starts_with(astring, *prefixes):
startswith = astring.startswith
for prefix in prefixes:
if startswith(prefix):
return true
return false
What is the reason for
startswith = astring.startswith
On Sep 7, 8:40 am, Jorgen Bodde [EMAIL PROTECTED] wrote:
Hi All,
I have a dictionary with settings. The settinfgs can be strings, ints
or bools. I would like to write this list dynamically to disk in a big
for loop, unfortunately the bools need to be written as 0 or 1 to the
config with
On Sep 5, 10:00 pm, Sreeraj [EMAIL PROTECTED] wrote:
hi,
I am a beginner in Python. I wish to know how can i filter a list of
strings using wild characters.ie
Lets say i have list countries =
[india,africa,atlanta,artica,nigeria]. I need only the list
of string starting with 'a'.
thank
On Sep 6, 4:01 pm, windandwaves [EMAIL PROTECTED] wrote:
On Sep 7, 10:44 am, Torsten Bronger [EMAIL PROTECTED]
wrote:
Hallöchen!
Tom Brown writes:
[...] Python has been by far the easiest to develop in. Some
people might say it is not real programming because it is so
easy.
On Sep 6, 5:53 pm, Gabriel Genellina [EMAIL PROTECTED] wrote:
En Thu, 06 Sep 2007 20:48:31 -0300, Zentrader [EMAIL PROTECTED]
escribi?:
On Sep 6, 12:47 am, Marc 'BlackJack' Rintsch [EMAIL PROTECTED] wrote:
Maybe better the ``in`` operator for the '*string*' type. `str.find()`
will go
I explain it by noting that list.index and dict.get serve totally
different purposes. The former returns the index given a value; the
latter returns a value given a key.
And the former raises an exception if the value is not found, while
the latter returns None if the value is not found.
Steve, Ben, Duncan,
Thanks for the replies.
TFD
--
http://mail.python.org/mailman/listinfo/python-list
On Sep 4, 1:53 pm, Steven D'Aprano [EMAIL PROTECTED]
cybersource.com.au wrote:
On Mon, 03 Sep 2007 22:10:41 -0700, TheFlyingDutchman wrote:
Well I did a search on Python variable length arguments and found a
hit that seems to explain the *fields parameter:
When you declare an argment
Perhaps you could move further discussions to comp.lang.piethun?
Fair enough. Will contain PIEthun discussion to the PIEthun mailing
list and the aforementioned newsgroup once it is established.
It suddenly dawned on me while rereading my defense of my use of the
term array that I
Actually there was. The OP's claim
| There are a million situations where you can have an item not be in
| a list and it is not an exception situation.
...is just plain nonsense. zzbbaadd neither does understand exceptions
nor what they are used for in Python. An item not being in a list
This chart is showing that amount of python programers is smaller every
year :(
I saw an article maybe a year ago, regarding best careers that
completely contradicted previous articles I had seen in years gone by.
It said that the number of people in programming and related jobs
would decline
I am trying to use a database written in Python called buzhug.
In looking at some of the functions I see this prototype:
def create(self,*fields,**kw):
I am not clear on what the * and the ** are for or what they
represent. Or, what are they referred to as so I can do a query for
Well I did a search on Python variable length arguments and found a
hit that seems to explain the *fields parameter:
When you declare an argment to start with '*', it takes the argument
list into an array.
def foo(*args):
print Number of arguments:, len(args)
print Arguments are: , args
--
Fair enough, but that's a tutorial. It would be foolish to demand that a
tutorial be a complete reference for everything that can be done with a list.
I wasn't demanding anything of the page. I was pointing out how I made
the assumption there was no way to find out if a list has a value
other
On Aug 30, 9:06 pm, Carsten Haese [EMAIL PROTECTED] wrote:
On Thu, 30 Aug 2007 20:17:00 -0700, zzbbaadd wrote
Well IN was what I was looking for and would have saved this thread.
However I don't believe IN showed up on the doc web page that has
list methods, where I found index().
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