On 5/28/2011 6:04 PM, Gregory Ewing wrote:
MRAB wrote:
float(nan) can occur multiple times in a set or as a key in a dict:
{float(nan), float(nan)}
{nan, nan}
except that sometimes it can't:
nan = float(nan)
{nan, nan}
{nan}
NaNs are weird. They're not equal to themselves:
Python 2.7
He is basically showing that using mixins for implementing logging is not such
a good idea, i.e. you can get the same effect in a better way by making use of
other Python features. I argued the same thing many times in the past. I even
wrote a module once (strait) to reimplement 99% of multiple
On Sat, May 28, 2011 at 8:33 PM, harrismh777 harrismh...@charter.net wrote:
In this present case the straw-man was not me, rather the straw-man was
the python language itself. You chose a code-snippet (one small puny dangle
that doesn't prove a thing) and used it to speak for the entire
On Sonntag 29 Mai 2011, Tim Delaney wrote:
There's a second part the mystery - sets and dictionaries (and
I think lists) assume that identify implies equality (hence
the second result). This was recently discussed on
python-dev, and the decision was to leave things as-is.
On Sonntag 29 Mai
On Sun, 29 May 2011 10:32:43 +1000, Chris Angelico wrote:
On Sun, May 29, 2011 at 10:28 AM, Albert Hopkins
mar...@letterboxes.org wrote:
This is the same nan, so it is equal to itself.
Actually, they're not. But it's possible the dictionary uses an 'is'
check to save computation, and if
Hi,
As illustrated in the following simple sample:
import sys
import os
import socket
class Server:
def __init__(self):
self._listen_sock = None
def _talk_to_client(self, conn, addr):
text = 'The brown fox jumps over the lazy dog.\n'
while True:
I just spent a considerable amount of time and effort debugging a program. The
made-up code snippet below illustrates the problem I encountered:
def main():
a = ['a list','with','three elements']
print a
print fnc1(a)
print a
def fnc1(b):
return
On Sonntag 29 Mai 2011, Henry Olders wrote:
It seems that in Python, a variable inside a function is
global unless it's assigned.
no, they are local
I would have thought that a function parameter would
automatically be considered local to the function. It doesn't
make sense to me to pass a
On Sun, May 29, 2011 at 1:30 AM, Henry Olders henry.old...@mcgill.ca wrote:
I just spent a considerable amount of time and effort debugging a program.
The made-up code snippet below illustrates the problem I encountered:
def main():
a = ['a list','with','three elements']
print
Tim Roberts wrote:
Are you specifying a buffer size in the Popen command? If not, then the
Python side of things is unbuffered
The buffer is as per default. The program reports one line around 1/2 second
time.
I think I'll look into the option as Nobody states:
p =
On Sun, May 29, 2011 at 3:02 AM, TheSaint nob...@nowhere.net.no wrote:
Tim Roberts wrote:
Are you specifying a buffer size in the Popen command? If not, then the
Python side of things is unbuffered
The buffer is as per default. The program reports one line around 1/2 second
time.
I think
On Sat, 28 May 2011 23:12:54 -0700, John Nagle wrote:
The correct answer to nan == nan is to raise an exception, because
you have asked a question for which the answer is nether True nor False.
Wrong.
The correct answer to nan == nan is False, they are not equal. Just as
None != none,
Ben Finney wrote:
You omit the common third possibility: *both* the comment and the code
are wrong.
In that case, the correct response is to fix both of them. :-)
--
Greg
--
http://mail.python.org/mailman/listinfo/python-list
On May 29, 7:33 am, Michele Simionato michele.simion...@gmail.com
wrote:
He is basically showing that using mixins for implementingloggingis not such
a good idea,
I don't think he was particularly advocating implementing logging this
way, but rather just using logging for illustrative
I have an RE that should work (it even works in Kodos [1], but not in my
code), but it keeps failing to match characters after a newline.
I'm writing a little program that scans the webpage of an arbitrary
application and gets the newest version advertised on the page.
test3.py:
# -*- coding:
Henry Olders wrote:
I just spent a considerable amount of time and effort debugging a program.
The made-up code snippet below illustrates the problem I encountered:
def main():
a = ['a list','with','three elements']
print a
print fnc1(a)
print a
def fnc1(b):
return fnc2(b)
def
On Sun, 29 May 2011 11:47:26 +0200, Wolfgang Rohdewald wrote:
On Sonntag 29 Mai 2011, Henry Olders wrote:
It seems that in Python, a variable inside a function is global unless
it's assigned.
no, they are local
I'm afraid you are incorrect. Names inside a function are global unless
Andrew Berg bahamutzero8...@gmail.com writes:
I was able to make a regex that matches in my code, but it shouldn't:
http://x264.nl/x264/64bit/8bit_depth/revision.\n{1,3}[0-9]{4}.\n{1,3}/x264.\n{1,3}.\n{1,3}.exe
I have to add a dot before each \n. There is no character not
accounted for before
Ben Finney ben+pyt...@benfinney.id.au writes:
the two-character “CR LF” sequence (U+000C U+000A)
URL:http://en.wikipedia.org/wiki/Newline
As detailed in that Wikipedia article, the characters are of course
U+000D U+000A.
--
\ “You say “Carmina”, and I say “Burana”, You say
On Sun, 29 May 2011 06:45:30 -0500, Andrew Berg wrote:
I have an RE that should work (it even works in Kodos [1], but not in my
code), but it keeps failing to match characters after a newline.
Not all regexes are the same. Different regex engines accept different
symbols, and sometimes behave
On 2011.05.29 08:00 AM, Ben Finney wrote:
You are aware that most text-emitting processes on Windows, and Internet
text protocols like the HTTP standard, use the two-character “CR LF”
sequence (U+000C U+000A) for terminating lines?
Yes, but I was not having trouble with just '\n' before, and
On 2011.05.29 08:09 AM, Steven D'Aprano wrote:
On Sun, 29 May 2011 06:45:30 -0500, Andrew Berg wrote:
I have an RE that should work (it even works in Kodos [1], but not in my
code), but it keeps failing to match characters after a newline.
Not all regexes are the same. Different regex
Chris Rebert wrote:
What do you mean by on-the-fly in this context
I just suppose to elaborate the latest line, as soon it's written on the
pipe, and print some result on the screen.
Imaging something like
p= Popen(['ping','-c40','www.google.com'], stdout=PIPE)
for line in p.stdout:
On 2011-05-29, narke narkewo...@gmail.com wrote:
Hi,
As illustrated in the following simple sample:
import sys
import os
import socket
class Server:
def __init__(self):
self._listen_sock = None
def _talk_to_client(self, conn, addr):
text = 'The brown fox jumps
On Sat, 28 May 2011 21:02:47 -0500, harrismh777 wrote:
Minor, yes, until you need to make something work--- only to be
frustrated to find that a detail that was not expected has risen to bite
a sensitive place... :)
Just like when migrating from Python 2.3 to 2.6. And 1.5 and 2.0,
TheSaint wrote:
I just suppose to elaborate the latest line, as soon it's written on the
pipe, and print some result on the screen.
I think some info is also here:
http://alexandredeverteuil.blogspot.com/
--
goto /dev/null
--
http://mail.python.org/mailman/listinfo/python-list
On Sun, 29 May 2011 08:41:16 -0500, Andrew Berg wrote:
On 2011.05.29 08:09 AM, Steven D'Aprano wrote:
[...]
Kodos is written in Python and uses Python's regex engine. In fact, it
is specifically intended to debug Python regexes.
Fair enough.
Secondly, you probably should use a proper HTML
On 2011.05.29 09:18 AM, Steven D'Aprano wrote:
What makes you think it shouldn't match?
AFAIK, dots aren't supposed to match carriage returns or any other
whitespace characters.
They won't match *newlines* \n unless you pass the DOTALL flag, but they
do match whitespace:
On 2011-05-29, Wolfgang Rohdewald wolfg...@rohdewald.de wrote:
On Sonntag 29 Mai 2011, Tim Delaney wrote:
There's a second part the mystery - sets and dictionaries (and
I think lists) assume that identify implies equality (hence
the second result). This was recently discussed on
python-dev,
On 2011-05-29, Gregory Ewing greg.ew...@canterbury.ac.nz wrote:
Ben Finney wrote:
You omit the common third possibility: *both* the comment and the code
are wrong.
In that case, the correct response is to fix both of them. :-)
Only as a last resort. IMO, the best option is to fix the code
In article mailman..1306676482.9059.python-l...@python.org,
Andrew Berg bahamutzero8...@gmail.com wrote:
Kodos is written in Python and uses Python's regex engine. In fact, it
is specifically intended to debug Python regexes.
Named after the governor of Tarsus IV?
--
On 2011.05.29 10:19 AM, Roy Smith wrote:
Named after the governor of Tarsus IV?
Judging by the graphic at http://kodos.sourceforge.net/help/kodos.html ,
it's named after the Simpsons character.
--
http://mail.python.org/mailman/listinfo/python-list
In article irtm3d$qk3$2...@reader1.panix.com,
Grant Edwards invalid@invalid.invalid wrote:
On 2011-05-29, Gregory Ewing greg.ew...@canterbury.ac.nz wrote:
Ben Finney wrote:
You omit the common third possibility: *both* the comment and the code
are wrong.
In that case, the correct
On May 29, 10:35 am, Andrew Berg bahamutzero8...@gmail.com wrote:
On 2011.05.29 09:18 AM, Steven D'Aprano wrote: What makes you think it
shouldn't match?
AFAIK, dots aren't supposed to match carriage returns or any other
whitespace characters.
I got things mixed up there (was thinking
On 2011.05.29 10:48 AM, John S wrote:
Dots don't match end-of-line-for-your-current-OS is how I think of
it.
IMO, the docs should say the dot matches any character except a line
feed ('\n'), since that is more accurate.
True, malformed
HTML can throw you off, but they can also throw a parser
On May 29, 12:16 pm, Andrew Berg bahamutzero8...@gmail.com wrote:
I've been meaning to learn how to use parenthesis groups.
Also, be sure to
use a raw string when composing REs, so you don't run into backslash
issues.
How would I do that when grabbing strings from a config file (via the
On Sun, 29 May 2011 04:30:52 -0400, Henry Olders wrote:
[snip]
def main():
a = ['a list','with','three elements']
print a
print fnc1(a)
print a
def fnc1(b):
return fnc2(b)
def fnc2(c):
c[1] = 'having'
return c
This is the output:
['a
On Sun, 29 May 2011 12:47:52 +1200, Gregory Ewing wrote:
Irmen de Jong wrote:
I don't see how that is opposed to what Grant was saying. It's that
these 'contracts' tend to change and that people forget or are too lazy
to update the comments to reflect those changes.
However, I can't see
On 29/05/2011 15:41, Grant Edwards wrote:
On 2011-05-29, Wolfgang Rohdewaldwolfg...@rohdewald.de wrote:
On Sonntag 29 Mai 2011, Tim Delaney wrote:
There's a second part the mystery - sets and dictionaries (and
I think lists) assume that identify implies equality (hence
the second result).
On Mon, May 30, 2011 at 3:44 AM, MRAB pyt...@mrabarnett.plus.com wrote:
Would there be any advantage to making NaN a singleton? I'm thinking
that it could make checking for it cheaper in the implementation of
sets and dicts. Or making NaN unhashable?
Doesn't matter. It still wouldn't be equal
On Sun, May 29, 2011 at 10:47 PM, Steven D'Aprano
steve+comp.lang.pyt...@pearwood.info wrote:
If a name is assigned to anywhere in the function, treat it as a local,
and look it up in the local namespace. If not found, raise
UnboundLocalError.
Wait wha? I've never seen this... wouldn't it
On Mon, May 30, 2011 at 2:16 AM, Andrew Berg bahamutzero8...@gmail.com wrote:
Also, be sure to
use a raw string when composing REs, so you don't run into backslash
issues.
How would I do that when grabbing strings from a config file (via the
configparser module)? Or rather, if I have a
On Sun, May 29, 2011 at 10:53 AM, Chris Angelico ros...@gmail.com wrote:
On Sun, May 29, 2011 at 10:47 PM, Steven D'Aprano
steve+comp.lang.pyt...@pearwood.info wrote:
If a name is assigned to anywhere in the function, treat it as a local,
and look it up in the local namespace. If not found,
Am 29.05.2011 19:44, schrieb MRAB:
Would there be any advantage to making NaN a singleton? I'm thinking
that it could make checking for it cheaper in the implementation of
sets and dicts. Or making NaN unhashable?
It can't be a singleton, because IEEE 754 specifies millions of millions
of
On Sun, 29 May 2011 18:44:08 +0100, MRAB wrote:
Would there be any advantage to making NaN a singleton?
Absolutely not. That would be a step backwards.
NANs can carry payload (a code indicating what sort of NAN it represents
-- log(-1) and 1/INF are not the same). So although Python currently
On Mon, 30 May 2011 03:53:24 +1000, Chris Angelico wrote:
On Sun, May 29, 2011 at 10:47 PM, Steven D'Aprano
steve+comp.lang.pyt...@pearwood.info wrote:
If a name is assigned to anywhere in the function, treat it as a local,
and look it up in the local namespace. If not found, raise
On Mon, May 30, 2011 at 4:01 AM, Chris Rebert c...@rebertia.com wrote:
def foo():
print bar
bar = 42
foo()
===
Traceback (most recent call last):
File stdin, line 1, in module
File stdin, line 2, in foo
UnboundLocalError: local variable 'bar' referenced before assignment
Wow
I
On Sun, 29 May 2011 20:05:07 +0200, Christian Heimes wrote:
Am 29.05.2011 19:44, schrieb MRAB:
Would there be any advantage to making NaN a singleton? I'm thinking
that it could make checking for it cheaper in the implementation of
sets and dicts. Or making NaN unhashable?
It can't be a
On Mon, 30 May 2011 04:38:26 +1000, Chris Angelico wrote:
On Mon, May 30, 2011 at 4:01 AM, Chris Rebert c...@rebertia.com wrote:
def foo():
print bar
bar = 42
foo()
===
Traceback (most recent call last):
File stdin, line 1, in module
File stdin, line 2, in foo
Andrew Berg wrote:
On 2011.05.29 10:19 AM, Roy Smith wrote:
Named after the governor of Tarsus IV?
Judging by the graphic at http://kodos.sourceforge.net/help/kodos.html ,
it's named after the Simpsons character.
OT
I don't think that's a coincidence; both are from other planets and both
On Sun, May 29, 2011 at 12:38 PM, Chris Angelico ros...@gmail.com wrote:
I thought it basically functioned top-down. You get a different error
on the print line if there's a bar = 42 *after* it. This could make
debugging quite confusing.
Guess it's just one of the consequences of eschewing
On Mon, May 30, 2011 at 4:53 AM, Steven D'Aprano
steve+comp.lang.pyt...@pearwood.info wrote:
UnboundLocalError is a subclass of NameError, so it will still be caught
by try...except NameError.
If you're crazy enough to be catching NameError :)
Ah okay. So it is still NameError, it just
On 11-05-29 04:06 AM, Ian Kelly wrote:
I realize you are now asserting that compatibility is a boolean
condition, and that totally incompatible is a redundant phrase that
you tossed out as a joke.
As a casual lurker reading this thread, I believe he is equating
completely incompatible with not
Henry
On 2011-05-29, at 5:47 , Wolfgang Rohdewald wrote:
On Sonntag 29 Mai 2011, Henry Olders wrote:
It seems that in Python, a variable inside a function is
global unless it's assigned.
no, they are local
I would have thought that a function parameter would
automatically be
On May 18, 7:19 am, Peter Moylan inva...@peter.pmoylan.org.invalid
wrote:
It's interesting to note that the definitions of 'recursive' to be found
in Wikipedia and Wiktionary have very little in common with the
definitions to be found in the dictionaries covered by Onelook. No
wonder experts
On 5/29/2011 7:59 AM, Mel wrote:
Henry Olders wrote:
I just spent a considerable amount of time and effort debugging a program.
The made-up code snippet below illustrates the problem I encountered:
def main():
a = ['a list','with','three elements']
print a
print fnc1(a)
print a
def fnc1(b):
On May 18, 12:59 pm, s...@sig.for.address (Victor Eijkhout) wrote:
Harrison Hill harrish...@gmx.com wrote:
No need - I have the Dictionary definition of recursion here:
Recursion: (N). See recursion.
If you tell a joke, you have to tell it right.
Jeez, speaking of bad colloquialisms...
On May 18, 12:59 pm, s...@sig.for.address (Victor Eijkhout) wrote:
Harrison Hill harrish...@gmx.com wrote:
No need - I have the Dictionary definition of recursion here:
Recursion: (N). See recursion.
If you tell a joke, you have to tell it right.
Jeez, speaking of bad colloquialisms...
On May 18, 3:00 pm, Xah Lee xah...@gmail.com wrote:
In the emacs case: “Recursive delete of xx? (y or n) ”, what could it
possibly mean by the word “recursive” there? Like, it might delete the
directory but not delete all files in it?
Actually i think this case is more for scare factor than
On May 20, 1:55 am, Steven D'Aprano steve
+comp.lang.pyt...@pearwood.info wrote:
Trust me on this, if the audience of Carry On films could understand
recursion, anyone can!
Well we could also say that this pathetic display of metal
masturbation is recursive also.
--
On May 24, 5:06 pm, Rikishi42 skunkwo...@rikishi42.net wrote:
On 2011-05-24, Steven D'Aprano steve+comp.lang.pyt...@pearwood.info wrote:
I wonder whether physicists insist that cars should have a go faster
pedal because ordinary people don't need to understand Newton's Laws of
Motion in
On May 24, 7:40 pm, Chris Angelico ros...@gmail.com wrote:
On Wed, May 25, 2011 at 8:06 AM, Rikishi42 skunkwo...@rikishi42.net wrote:
On 2011-05-24, Steven D'Aprano steve+comp.lang.pyt...@pearwood.info wrote:
I wonder whether physicists insist that cars should have a go faster
pedal
On May 24, 7:40 pm, Chris Angelico ros...@gmail.com wrote:
On Wed, May 25, 2011 at 8:06 AM, Rikishi42 skunkwo...@rikishi42.net wrote:
On 2011-05-24, Steven D'Aprano steve+comp.lang.pyt...@pearwood.info wrote:
I wonder whether physicists insist that cars should have a go faster
pedal
On Sun, 29 May 2011 10:29:28 +, Steven D'Aprano wrote:
The correct answer to nan == nan is to raise an exception, because
you have asked a question for which the answer is nether True nor False.
Wrong.
That's overstating it. There's a good argument to be made for raising an
On Mon, May 30, 2011 at 6:58 AM, rantingrick rantingr...@gmail.com wrote:
Yes Gas Pedal... that clears up all the confusion /sarcasm.
However i would have thought if the vehicle had a decelerator petal
it would at least sport a complimentary accelerator petal. You know
the whole equal and
On May 26, 6:12 am, Chris Angelico ros...@gmail.com wrote:
I just conducted a rapid poll of a non-technical userbase.
(Okay, I just asked my sister who happens to be sitting here. But
she's nontechnical.)
She explained recursive as it repeats until it can't go any
further. I think that's a
On May 26, 6:12 am, Chris Angelico ros...@gmail.com wrote:
I just conducted a rapid poll of a non-technical userbase.
(Okay, I just asked my sister who happens to be sitting here. But
she's nontechnical.)
She explained recursive as it repeats until it can't go any
further. I think that's a
I have Python 2.7 on Win7 Pro on a tightly locked down desktop. I
would like to install Networkx from an egg. From what I have read,
Setuptools can be used for this.
I don't know how to install Setuptools. The exe will not work. On
execution, it reports that the Python version is not included
Peter Pearson ppearson@nowhere.invalid writes:
Python works in terms of objects having names, and one
object can have many names.
Or no names. So it's less accurate (though better than talking of
“variables”) to speak of Python objects “having names”.
The names b and c aren't boxes that hold
On Mon, May 30, 2011 at 7:38 AM, rantingrick rantingr...@gmail.com wrote:
Yes but understanding of this sort is very general ESPECIALLY in the
case of destroying data!
What are the limits of the recursion? What forces can act on the
recursion to stop it? If (for example) I know that a while
On Sun, 29 May 2011 16:19:11 -0400
Henry Olders henry.old...@mcgill.ca wrote:
def fnc2(c):
c = c[:]
c[1] = 'having'
return c
Thank you, Wolfgang. That certainly works, but to me it is still a
workaround to deal with the consequence of a particular decision.
I am using Win7 on a tightly locked down desktop.
Is there an alternative to using PythonPath?
What are the trade-offs?
Thanks,
ray
--
http://mail.python.org/mailman/listinfo/python-list
On May 28, 9:33 pm, harrismh777 harrismh...@charter.net wrote:
Steven D'Aprano wrote:
A straw man is not when somebody points out holes in your argument, or
unwanted implications that you didn't realise were there. It is when
somebody makes claims on your behalf that you did not make to
On 5/29/2011 4:19 PM, Henry Olders wrote:
From my perspective, a function parameter should be considered as
having been assigned (although the exact assignment will not be known
until runtime), and as an assigned variable, it should be considered
local.
That is exactly the case for Python
On 29-5-2011 23:41, ray wrote:
I have Python 2.7 on Win7 Pro on a tightly locked down desktop. I
would like to install Networkx from an egg. From what I have read,
Setuptools can be used for this.
What does 'tightly locked down' mean?
I don't know how to install Setuptools. The exe will
On 29-5-2011 23:49, ray wrote:
I am using Win7 on a tightly locked down desktop.
Is there an alternative to using PythonPath?
What do you mean by using PythonPath?
What doesn't work that you want to have an alternative for?
Irmen
--
http://mail.python.org/mailman/listinfo/python-list
On behalf of the Python development team, I'm happy as a swallow to announce a
release candidate for the fourth bugfix release for the Python 3.1
series, Python
3.1.4.
3.1.4 will the last bug fix release in the 3.1 series before 3.1. After 3.1.4,
3.1 will be in security-only fix mode.
The Python
On behalf of the Python development team, I'm happy to announce the immediate
availability of Python 2.7.2 release candidate 1.
2.7.2 is the second in bugfix release for the Python 2.7 series. 2.7 is the last
major verison of the 2.x line and will be receiving bug fixes while new feature
On May 29, 4:46 pm, Chris Angelico ros...@gmail.com wrote:
On Mon, May 30, 2011 at 7:38 AM, rantingrick rantingr...@gmail.com wrote:
Yes but understanding of this sort is very general ESPECIALLY in the
case of destroying data!
What are the limits of the recursion? What forces can act on
On May 29, 2:28 pm, Jason Tackaberry t...@urandom.ca wrote:
On 11-05-29 04:06 AM, Ian Kelly wrote:
I realize you are now asserting that compatibility is a boolean
condition, and that totally incompatible is a redundant phrase that
you tossed out as a joke.
As a casual lurker reading this
On Mon, May 30, 2011 at 9:00 AM, rantingrick rantingr...@gmail.com wrote:
Python 2.x and Pythin 3.x are two different dialects just like Humans
(Python 3.x) and Chimpanzees (Python 2.x) are similar (compatible) but
very different versions of talking apes (languages). Sure humans
(Python 3.x)
On Sun, 29 May 2011 22:19:49 +0100, Nobody wrote:
On Sun, 29 May 2011 10:29:28 +, Steven D'Aprano wrote:
The correct answer to nan == nan is to raise an exception,
because
you have asked a question for which the answer is nether True nor
False.
Wrong.
That's overstating
In article slrniu42cm.2s8.narkewo...@cnzuhnb904.ap.bm.net
narke narkewo...@gmail.com wrote:
As illustrated in the following simple sample:
import sys
import os
import socket
class Server:
def __init__(self):
self._listen_sock = None
def _talk_to_client(self, conn, addr):
On Sun, 29 May 2011 04:30:52 -0400, Henry Olders wrote:
I just spent a considerable amount of time and effort debugging a
program. The made-up code snippet below illustrates the problem I
encountered:
[...]
Are there others who feel as I do that a function parameter should
always be local to
Incidentally, note:
$ python
...
nan = float(nan)
nan
nan
nan is nan
True
nan == nan
False
In article 4de1e3e7$0$2195$742ec...@news.sonic.net
John Nagle na...@animats.com wrote:
The correct answer to nan == nan is to raise an exception, because
you
On Sunday, May 29, 2011 4:31:19 PM UTC-7, Steven D#39;Aprano wrote:
On Sun, 29 May 2011 22:19:49 +0100, Nobody wrote:
On Sun, 29 May 2011 10:29:28 +, Steven D'Aprano wrote:
The correct answer to nan == nan is to raise an exception,
because
you have asked a question for
In article irtj2o$h0m$1...@speranza.aioe.org
TheSaint nob...@nowhere.net.no wrote:
Chris Rebert wrote:
I just suppose to elaborate the latest line, as soon it's written on the
pipe, and print some result on the screen.
Imaging something like
p= Popen(['ping','-c40','www.google.com'],
On Sunday, May 29, 2011 7:41:13 AM UTC-7, Grant Edwards wrote:
It treats them as identical (not sure if that's the right word). The
implementation is checking for ( A is B or A == B ). Presumably, the
assumpting being that all objects are equal to themselves. That
assumption is not true for
On Mon, May 30, 2011 at 10:55 AM, Carl Banks pavlovevide...@gmail.com wrote:
If exceptions had commonly existed in that environment there's no chance they
would have chosen that behavior; comparison against NaN (or any operation
with NaN) would have signaled a floating point exception. That
Steven D'Aprano steve+comp.lang.pyt...@pearwood.info writes:
http://mail.python.org/pipermail/tutor/2010-December/080505.html
Constructive criticism welcome.
Informative, but it “buries the lead” as our friends in the press corps
would say.
Instead you should write as though you have no
In article 4de183e7$0$26108$426a7...@news.free.fr
News123 news1...@free.fr wrote:
I'm looking for a portable way (windows XP / Windows Vista and Linux )
to send a signal from any python script to another one
(one signa would be enough)
This turns out to be pretty hard to do reliably-and-securely
On Mon, May 30, 2011 at 11:31 AM, Ben Finney ben+pyt...@benfinney.id.au wrote:
URL:http://www.computerworld.com/s/article/print/93903/I_m_OK_The_Bull_Is_Dead
I agree with the gist of that. My take on this is: When I'm talking to
my boss, I always assume that the phone will ring ten seconds into
On Mon, May 30, 2011 at 11:44 AM, Chris Torek nos...@torek.net wrote:
What would be a light weight portable way, that one process can tell
another to do something?
The main requirement would be to have no CPU impact while waiting (thus
no polling)
Your best bet here is probably to use sockets.
Chris Angelico ros...@gmail.com writes:
Of course, there's a significant difference between a mailing list
post and a detailed and well copyedited article. Quite frequently I'll
ramble on list, in a way quite inappropriate to a publication that
would be linked to as a hey guys, here's how it
On Sunday, May 29, 2011 6:14:58 PM UTC-7, Chris Angelico wrote:
On Mon, May 30, 2011 at 10:55 AM, Carl Banks
wrote:
If exceptions had commonly existed in that environment there's no chance
they would have chosen that behavior; comparison against NaN (or any
operation with NaN) would
On May 30, 2:49 am, ray r...@aarden.us wrote:
I am using Win7 on a tightly locked down desktop.
Is there an alternative to using PythonPath?
What are the trade-offs?
Thanks,
ray
Externally:
1. PYTHONPATH
2. .pth files
On Mon, May 30, 2011 at 12:08 PM, Ben Finney ben+pyt...@benfinney.id.au wrote:
Chris Angelico ros...@gmail.com writes:
Of course, there's a significant difference between a mailing list
post and a detailed and well copyedited article. Quite frequently I'll
ramble on list, in a way quite
On Mon, May 30, 2011 at 12:17 PM, Carl Banks pavlovevide...@gmail.com wrote:
If I were designing a new floating-point standard for hardware, I would
consider getting rid of NaN. However, with the floating point standard that
exists, that almost all floating point hardware mostly conforms to,
On May 30, 7:53 am, Chris Angelico ros...@gmail.com wrote:
On Mon, May 30, 2011 at 12:17 PM, Carl Banks pavlovevide...@gmail.com wrote:
If I were designing a new floating-point standard for hardware, I would
consider getting rid of NaN. However, with the floating point standard
that
On 2011-05-29, Chris Torek nos...@torek.net wrote:
In article slrniu42cm.2s8.narkewo...@cnzuhnb904.ap.bm.net
narke narkewo...@gmail.com wrote:
As illustrated in the following simple sample:
import sys
import os
import socket
class Server:
def __init__(self):
self._listen_sock =
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