Hi,
I am trying to see on which situations does the Read-Write Lock
performs better on primitive Lock() itself. Below is the code I am
using to test the performance:
import threading
import locks
import time
class mylock(object):
def __init__(self):
self.__notreading = threading.Even
"zxo102" wrote in message
news:2560a6e0-c103-46d2-aa5a-8604de4d1...@b38g2000prf.googlegroups.com...
I have a list in a dictionary and want to insert it into the html
file. I test it with following scripts of CASE 1, CASE 2 and CASE 3. I
can see "中文" in CASE 1 but that is not what I want. CAS
scsoce a écrit :
I have a function return a reference, and want to assign to the
reference,
You have a function that returns an object. You can't "assign" to an
object - this makes no sense.
I'm afraid you are confusing Python's name/object bindings with C
pointers or C++ references.
--
h
John Machin a écrit :
On Dec 29, 7:06 am, Roger wrote:
Curious. When I see a bare return, the first thing I think is that the
author forgot to include the return value and that it's a bug.
The second thing I think is that maybe the function is a generator, and
so I look for a yield. If I don't
On Dec 29, 5:01 pm, scsoce wrote:
> I have a function return a reference,
Stop right there. You don't have (and can't have, in Python) a
function which returns a reference that acts like a pointer in C or C+
+. Please tell us what manual, tutorial, book, blog or Usenet posting
gave you that idea,
Hi experts,
I am looking for some information on how to automate remote login to a
UNIX machine using ssh from a windows XP box.
Possible way:
1. Use putty (or any other ssh client from windows XP). -- Can be
automated with command line parameters. The problem is that I am able to
login - Put
On Sun, Dec 28, 2008 at 11:26 PM, member Basu wrote:
> I'm putting some utility functions in a file and then building a simple
> shell interface to them. Is their some way I can automatically get a list of
> all the functions in the file? I could wrap them in a class and then use
> attributes, but
En Mon, 29 Dec 2008 05:26:52 -0200, member Basu
escribió:
I'm putting some utility functions in a file and then building a simple
shell interface to them. Is their some way I can automatically get a
list of
all the functions in the file? I could wrap them in a class and then use
attributes,
En Mon, 29 Dec 2008 05:56:10 -0200, k3xji escribió:
I am trying to see on which situations does the Read-Write Lock
performs better on primitive Lock() itself. Below is the code I am
using to test the performance:
import threading
import locks
import time
class mylock(object):
(I'm not conv
On Dec 29, 8:26 pm, Bruno Desthuilliers wrote:
> John Machin a écrit :
>
>
>
> > On Dec 29, 7:06 am, Roger wrote:
> >>> Curious. When I see a bare return, the first thing I think is that the
> >>> author forgot to include the return value and that it's a bug.
> >>> The second thing I think is tha
Hi,
2008/12/29 Phil Runciman :
> See: Chris Moss, Prolog++: The Power of Object-Oriented and Logic Programming
> (ISBN 0201565072)
>
> This book is a pretty handy intro to an OO version Prolog produced by Logic
> Programming Associates.
> From: Aaron Brady [mailto:castiro...@gmail.com]
> Sent:
Kenneth McDonald a écrit :
Ruby has a package called 'hpricot' which can perform limited xpath
queries,
ElementTree ? (it's in the stdlib now)
and CSS selector queries.
PyQuery ?
http://pypi.python.org/pypi/pyquery
However, what makes it really useful
is that it does a good job of handlin
Hi
I have a GUI application (wxpython) that calls another GUI
Application. I m using os.system (cmd) to launch
The second GUI, in the second GUI I m trying to open the html file using the
os.startfile (filename) function but
It takes lots of time to open the html file.
If I am run
On 29 Aralık, 11:52, "Gabriel Genellina"
wrote:
> En Mon, 29 Dec 2008 05:56:10 -0200, k3xji escribió:
>
> > I am trying to see on which situations does the Read-Write Lock
> > performs better on primitive Lock() itself. Below is the code I am
> > using to test the performance:
> > import threadi
Hi,
Narasimhan Raghu-RBQG84 wrote:
Hi experts,
I am looking for some information on how to automate remote login to a
UNIX machine using ssh from a windows XP box.
Possible way:
1. Use putty (or any other ssh client from windows XP). -- Can be
automated with command line parameters. The
Hi,
in my script I have sys.stdout and sys.stderr redefined to output
unicode strings in the current system encoding:
encoding = locale.getpreferredencoding()
sys.stdout = codecs.getwriter(encoding)(sys.stdout)
However on some systems the locale doesn't let all the unicode chars
$ ~/devel/ice/snoip/freespeech$ python
Python 2.5.2 (r252:60911, Oct 5 2008, 19:24:49)
[GCC 4.3.2] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import logging
>>> logging.DatagramHandler
Traceback (most recent call last):
File "", line 1, in
AttributeErro
On Mon, Dec 29, 2008 at 4:06 AM, Michal Ludvig wrote:
> Hi,
>
> in my script I have sys.stdout and sys.stderr redefined to output
> unicode strings in the current system encoding:
>
>encoding = locale.getpreferredencoding()
>sys.stdout = codecs.getwriter(encoding)(sys.stdout)
>
> H
On Mon, Dec 29, 2008 at 4:08 AM, Tzury Bar Yochay
wrote:
> $ ~/devel/ice/snoip/freespeech$ python
> Python 2.5.2 (r252:60911, Oct 5 2008, 19:24:49)
> [GCC 4.3.2] on linux2
> Type "help", "copyright", "credits" or "license" for more information.
import logging
logging.DatagramHandler
> T
Sibtey Mehdi wrote:
>Hi
>I have a GUI application (wxpython) that calls another GUI
Application. I m using os.system (cmd) >to launch
>The second GUI, in the second GUI I m trying to open the html file using the
os.startfile (filename) function >but
>It takes lots of time to open the
Tzury Bar Yochay a écrit :
$ ~/devel/ice/snoip/freespeech$ python
Python 2.5.2 (r252:60911, Oct 5 2008, 19:24:49)
[GCC 4.3.2] on linux2
Type "help", "copyright", "credits" or "license" for more information.
import logging
logging.DatagramHandler
Traceback (most recent call last):
File "", li
John Machin a écrit :
On Dec 29, 8:26 pm, Bruno Desthuilliers wrote:
John Machin a écrit :
(snip)
Please don't. Follow MRAB's advice, with the corollary that a
generator is forced by the compiler to be a "procedure" in MRAB's
terminology.
I fail to see any *practical* difference between MRAB
> "Colin" == Colin J Williams writes:
Colin> s...@pobox.com wrote:
>> For extremely short lists, but not for much else:
>>
>> % for n in 1 10 100 1000 1 10 ; do
>> > echo "len:" $n
>> > echo -n "numpy: "
>> > python -m timeit -s 'import numpy ; a =
Hi Omer,
> I'm seeing this on fc8 with a custom built python2.6. Not happening
> with any other packages (e.g. boto). Workaround of course was just to
> copy the S3 dir to /usr/local/lib/python2.6/site-packages.
I've found it. The culprit was a pre-set install prefix in setup.cfg - I
can't reme
Chris Rebert wrote:
> On Mon, Dec 29, 2008 at 4:06 AM, Michal Ludvig wrote:
>> Hi,
>>
>> in my script I have sys.stdout and sys.stderr redefined to output
>> unicode strings in the current system encoding:
>>
>>encoding = locale.getpreferredencoding()
>>sys.stdout = codecs.getwrite
On Dec 29, 11:08 pm, Tzury Bar Yochay wrote:
> $ ~/devel/ice/snoip/freespeech$ python
> Python 2.5.2 (r252:60911, Oct 5 2008, 19:24:49)
> [GCC 4.3.2] on linux2
> Type "help", "copyright", "credits" or "license" for more information.>>>
> import logging
> >>> logging.DatagramHandler
>
> Traceback
On Dec 28, 6:22 pm, Kenneth McDonald
wrote:
> Ruby has a package called 'hpricot' which can perform limited xpath
> queries, and CSS selector queries. However, what makes it really
> useful is that it does a good job of handling the "broken" html that
> is so commonly found on the web. Does
On Dec 28, 11:56 am, Gerard Flanagan wrote:
> On Dec 28, 5:19 pm, Roger wrote:
>
> > Hi Everyone,
> [...]
> > When I define a method I always include a return statement out of
> > habit even if I don't return anything explicitly:
>
> > def something():
> > # do something
> > retur
On Dec 29, 3:50 am, "Chris Rebert" wrote:
> On Sun, Dec 28, 2008 at 11:26 PM, member Basu wrote:
> > I'm putting some utility functions in a file and then building a simple
> > shell interface to them. Is their some way I can automatically get a list of
> > all the functions in the file? I could
On 12月29日, 下午5时06分, "Mark Tolonen" wrote:
> "zxo102" wrote in message
>
> news:2560a6e0-c103-46d2-aa5a-8604de4d1...@b38g2000prf.googlegroups.com...
>
> > I have a list in a dictionary and want to insert it into the html
> > file. I test it with following scripts of CASE 1, CASE 2 and CASE 3. I
>
On Dec 29, 4:17 am, k3xji wrote:
> On 29 Aralýk, 11:52, "Gabriel Genellina"
> wrote:
>
> > En Mon, 29 Dec 2008 05:56:10 -0200, k3xji escribió:
>
snip
> > > class wthread(threading.Thread):
> > > def run(self):
> > > try:
> > > #GLOBAL_LOCK.acquireWrite()
> > >
On Dec 29, 6:10 am, "Hendrik van Rooyen" wrote:
> Sibtey Mehdi wrote:
> >Hi
> > I have a GUI application (wxpython) that calls another GUI
>
> Application. I m using os.system (cmd) >to launch>The second GUI, in the
> second GUI I m trying to open the html file using the
>
> os.startf
QOTW: "The fundamental economics of software development leads you to
open-source software." David Rivas
http://www.ddj.com/linux-open-source/212201757
Python 2.5.4 final released (replaces 2.5.3 due to a critical bug)
http://groups.google.com/group/comp.lang.python/t/4042c0
Hello everyone,
After reading http://www.python.org/dev/peps/pep-0371/ I was under
impression that performance of multiprocessing package is similar to
that of thread / threading. However, to familiarize myself with both
packages I wrote my own test of spawning and returning 100,000 empty
thr
On Dec 29, 4:14 am, Martin wrote:
> Hi,
>
> 2008/12/29 Phil Runciman :
>
> > See: Chris Moss, Prolog++: The Power of Object-Oriented and Logic
> > Programming (ISBN 0201565072)
>
> > This book is a pretty handy intro to an OO version Prolog produced by Logic
> > Programming Associates.
> > From:
On 29 Gru, 15:52, mk wrote:
> Hello everyone,
>
> After readinghttp://www.python.org/dev/peps/pep-0371/I was under
> impression that performance of multiprocessing package is similar to
> that of thread / threading. However, to familiarize myself with both
> packages I wrote my own test of spawnin
s...@pobox.com wrote:
"Colin" == Colin J Williams writes:
Colin> s...@pobox.com wrote:
>> For extremely short lists, but not for much else:
>>
>> % for n in 1 10 100 1000 1 10 ; do
>> > echo "len:" $n
>> > echo -n "numpy: "
>> > python -m timeit -s
In article ,
Tino Wildenhain wrote:
.
.
.
>> I am looking for some information on how to automate remote login to a
>> UNIX machine using ssh from a windows XP box.
>>
>> Possible way:
>>
>> 1. Use putty (or any other ss
janislaw wrote:
Ah, so there are 100 processes at time. 200secs still don't sound
strange.
I ran the PEP 371 code on my system (Linux) on Python 2.6.1:
Linux SLES (9.156.44.174) [15:18] root ~/tmp/src # ./run_benchmarks.py
empty_func.py
Importing empty_func
Starting tests ...
non_threaded
mk wrote:
> Am I doing smth wrong in code below? Or do I have to use
> multiprocessing.Pool to get any decent results?
You have missed an important point. A well designed application does
neither create so many threads nor processes. The creation of a thread
or forking of a process is an expensive
Colin> That's interesting but that's not the
Colin> way timeit is documented for Python 2.5:
Colin> timeit( [number=100])
That's how it works when invoked as a main program using -m.
Colin> In spite of the fact that your own data doesn't support the
Colin> assertion?
On Dec 22, 1:51 pm, Grant Edwards wrote:
> On 2008-12-22, s...@pobox.com wrote:
>
> > ... shouldn't people who spend all their time trolling be
> > doing something else: studying, working, writing patches which
> > solve the problems they perceive to exist in the troll
> > subject?
>
> I think yo
Christian Heimes wrote:
mk wrote:
Am I doing smth wrong in code below? Or do I have to use
multiprocessing.Pool to get any decent results?
You have missed an important point. A well designed application does
neither create so many threads nor processes.
Except I was not developing "well des
In article ,
Christian Heimes wrote:
> You have missed an important point. A well designed application does
> neither create so many threads nor processes. The creation of a thread
> or forking of a process is an expensive operation. You should use a pool
> of threads or processes.
It's worth n
On Dec 29, 8:52 am, mk wrote:
> Hello everyone,
>
> After readinghttp://www.python.org/dev/peps/pep-0371/I was under
> impression that performance of multiprocessing package is similar to
> that of thread / threading. However, to familiarize myself with both
> packages I wrote my own test of spawn
On Dec 29, 1:01 am, scsoce wrote:
> I have a function return a reference, and want to assign to the
> reference, simply like this:
> >>def f(a)
> return a
> b = 0
> * f( b ) = 1*
> but the last line will be refused as "can't assign to function call".
> In my thought , the assig
Since the interest is more in extended precision than in decimal
representation, there is another module that may be of interest.
http://calcrpnpy.sourceforge.net/clnum.html
It interfaces to the Class Library for Numbers (CLN) library to provide
both arbitrary precision floating point and comp
On Dec 29, 12:01 am, scsoce wrote:
> I have a function return a reference, and want to assign to the
> reference, simply like this:
> >>def f(a)
> return a
> b = 0
> * f( b ) = 1*
> but the last line will be refused as "can't assign to function call".
> In my thought , the assi
Narasimhan Raghu-RBQG84 wrote:
Hi experts,
I am looking for some information on how to automate remote login to a
UNIX machine using ssh from a windows XP box.
Possible way:
1. Use putty (or any other ssh client from windows XP). -- Can be
automated with command line parameters. The probl
"Xah Lee" wrote in message
news:2fb289be-00b3-440a-b153-ca88f0ba1...@d42g2000prb.googlegroups.com...
>recently i wrote a blog essay about html correctness and html
>validators, with relations to the programing lang communities. I hope
>programing lang fans will take more consideration on the corr
Raymond L. Buvel wrote:
> Since the interest is more in extended precision than in decimal
> representation, there is another module that may be of interest.
>
> http://calcrpnpy.sourceforge.net/clnum.html
>
> It interfaces to the Class Library for Numbers (CLN) library to provide
> both arbitrar
On 2008-12-29, mk wrote:
> janislaw wrote:
>
>> Ah, so there are 100 processes at time. 200secs still don't sound
>> strange.
>
> I ran the PEP 371 code on my system (Linux) on Python 2.6.1:
>
> Linux SLES (9.156.44.174) [15:18] root ~/tmp/src # ./run_benchmarks.py
> empty_func.py
>
> Importing e
On Dec 23, 5:21 pm, Isaac Gouy wrote:
> On Dec 23, 11:51 am, bearophileh...@lycos.com wrote:
>
> > They have translated the Python benchmarks of the Shootout site from
> > Py2 to Py3 using 2to3:
>
> >http://shootout.alioth.debian.org/u32/benchmark.php?test=all〈=pyt...
>
> So please re-write those
On Dec 29, 10:22 am, Steve Holden wrote:
> Raymond L. Buvel wrote:
> > Since the interest is more in extended precision than in decimal
> > representation, there is another module that may be of interest.
>
> >http://calcrpnpy.sourceforge.net/clnum.html
>
> > It interfaces to the Class Library for
This might not be pure python question. Sorry about that. I couldnt
think of any other place to post the same.
I am creating a _medium_complex_ application, and I am facing issues
with creating the proper module structure.
This is my first application and since this is a run-of-the-mill
applicatio
Jarkko Torppa wrote:
On the PEP371 it says "All benchmarks were run using the following:
Python 2.5.2 compiled on Gentoo Linux (kernel 2.6.18.6)"
Right... I overlooked that. My tests I quoted above were done on SLES
10, kernel 2.6.5.
With python2.5 and pyProcessing-0.52
iTaulu:src torppa$
On Dec 21, 12:28 pm, Bruno Desthuilliers
wrote:
> > I can see where the new formatting might be helpful in some cases.
> > But, I am not sure it's worth the cost.
>
> Err... _Which_ cost exactly ?
Loss of backward compatibility, mainly.
--
http://mail.python.org/mailman/listinfo/python-list
Hi all,
About a year ago, I posted an idea I was having about thread
synchronization to the newsgroup. However, I did not explain it well,
and I really erred on the side of brevity. (After some finagling, Mr.
Bieber and I decided it wasn't exactly anything groundbreaking.) But
I think the brevi
On Dec 29, 2008, at 1:06 PM, Aaron Brady wrote:
I don't think relational data can be read and written very easily in
Python. There are some options, such as 'sqllite3', but they are not
easy. 'sqllite3' statements are valid SQL expressions, which afford
the entire power of SQL, but contrary t
In article ,
Philip Semanchuk wrote:
> On Dec 29, 2008, at 1:06 PM, Aaron Brady wrote:
> > I don't think relational data can be read and written very easily in
> > Python. There are some options, such as 'sqllite3', but they are not
> > easy. 'sqllite3' statements are valid SQL expressions, whi
John Machin wrote:
On Dec 29, 5:01 pm, scsoce wrote:
I have a function return a reference,
Stop right there. You don't have (and can't have, in Python) a
function which returns a reference that acts like a pointer in C or C+
+. Please tell us what manual, tutorial, book, blog or Usenet postin
Aaron Brady a écrit :
Hi all,
(snip)
>
I don't think relational data can be read and written very easily in
Python.
Did you try SQLAlchemy or Django's ORM ?
There are some options, such as 'sqllite3', but they are not
easy. 'sqllite3' statements are valid SQL expressions, which afford
th
I have recently noticed that print statements ending with a comma are
not immediately flushed. This is evident when such statement is
executed before a very long operation (a big loop for instance).
Example:
print 'Take a walk, because this will take a while...',
i = 0
while i < 10**10:
i +=
"zxo102" wrote in message
news:7e38e76a-d5ee-41d9-9ed5-73a2e2993...@w1g2000prm.googlegroups.com...
On 12月29日, 下午5时06分, "Mark Tolonen" wrote:
"zxo102" wrote in message
news:2560a6e0-c103-46d2-aa5a-8604de4d1...@b38g2000prf.googlegroups.com...
[snip]
That said, learn to use Unicode string
member Basu wrote:
I'm putting some utility functions in a file and then building a simple
shell interface to them. Is their some way I can automatically get a
list of all the functions in the file? I could wrap them in a class and
then use attributes, but I'd rather leave them as simple functi
On 29 déc, 19:06, Aaron Brady wrote:
> Hi all,
>
> About a year ago, I posted an idea I was having about thread
> synchronization to the newsgroup. However, I did not explain it well,
> and I really erred on the side of brevity. (After some finagling, Mr.
> Bieber and I decided it wasn't exactly
On Dec 29, 1:05 pm, Scott David Daniels wrote:
> John Machin wrote:
> > On Dec 29, 5:01 pm, scsoce wrote:
> >> I have a function return a reference,
>
> > Stop right there. You don't have (and can't have, in Python) a
> > function which returns a reference that acts like a pointer in C or C+
> >
John Machin wrote:
On Dec 29, 5:01 pm, scsoce wrote:
I have a function return a reference,
Stop right there. You don't have (and can't have, in Python) a
function which returns a reference that acts like a pointer in C or C+
+. Please tell us what manual, tutorial, book, blog or Usenet postin
jerry.carl...@gmail.com wrote:
...
It's really just the goniometric functions that I am missing most at
the moment, so maybe I can figure it out with help of what you said
plus the already existing imperfect modules. Meantime maybe this
discussion will caught Guido's eye... ;-) And btw I do expec
(Our apologies for cross-posting.
We appreciate if you kindly distribute this information by your co-
workers and colleagues.)
***
Symposium “Image Processing and Analysis”
Int. Conf. on Computatio
Hello everyone,
I'm writing a Tkinter program and trying to constraint the window
size.
I want to set the minimum of the width and the height and the maximum
of the width, but not the height.
I can use minsize(width=min_width, height=min_height) from Wm method
to limit the minimum sizes.
Similarly
Roy Smith writes:
> In article ,
> Christian Heimes wrote:
>
>> You have missed an important point. A well designed application does
>> neither create so many threads nor processes. The creation of a thread
>> or forking of a process is an expensive operation. You should use a pool
>> of thread
On Dec 29, 3:23 pm, akineko wrote:
> Hello everyone,
>
> I'm writing a Tkinter program and trying to constraint the window
> size.
> I want to set the minimum of the width and the height and the maximum
> of the width, but not the height.
You want to set the max height to 0. I know this is count
On 19 dic, 13:01, walterbyrd wrote:
> I have not worked with Python enough to really know. But, it seems to
> me that more I look at python 3.0, the more I wonder if it isn't a
> step backwards.
>
> To me, it seems that this:
>
> print "%s=%d" % ('this',99)
>
> Is much easier, and faster, to type,
On Dec 29, 10:51 am, Kottiyath wrote:
> This might not be pure python question. Sorry about that. I couldnt
> think of any other place to post the same.
> I am creating a _medium_complex_ application, and I am facing issues
> with creating the proper module structure.
> This is my first applicati
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Aaron Brady wrote:
> Python. There are some options, such as 'sqllite3', but they are not
> easy. 'sqllite3' statements are valid SQL expressions, which afford
> the entire power of SQL, but contrary to its name, it is not that
> 'lite'.
Have you c
On Dec 29, 7:37 pm, Luis M. González wrote:
> I still can't get used to add the parenthesis to "print", and this is
> the only thing I don't like, but I'm sure there's a good reason for
> this change...
I should know better than to post such an awful hack:
__past__.py:
from sys import excepthoo
On 29Dec2008 11:11, Grebekel wrote:
| I have recently noticed that print statements ending with a comma are
| not immediately flushed.
I will warn you that neither are the more common uncommaed print
statements, except on a terminal.
| [...] Example:
|
| print 'Take a walk, because this will ta
On Tue, Dec 30, 2008 at 12:52 AM, mk wrote:
> Hello everyone,
>
> After reading http://www.python.org/dev/peps/pep-0371/ I was under
> impression that performance of multiprocessing package is similar to that of
> thread / threading. However, to familiarize myself with both packages I
> wrote my o
On Mon, Dec 29, 2008 at 1:01 AM, scsoce wrote:
> I have a function return a reference, and want to assign to the reference,
> simply like this:
>>>def f(a)
> return a
>b = 0
> * f( b ) = 1*
> but the last line will be refused as "can't assign to function call".
> In my thought , the
On Mon, 29 Dec 2008 09:50:14 -0800, walterbyrd wrote:
> On Dec 21, 12:28 pm, Bruno Desthuilliers
> wrote:
>
>> > I can see where the new formatting might be helpful in some cases.
>> > But, I am not sure it's worth the cost.
>>
>> Err... _Which_ cost exactly ?
>
> Loss of backward compatibility
I am trying getch() from msvcrt. The following module
has been run with 3 different concatination statements
and none yield a satisfactory result.Python 3.0
# script12
import msvcrt
shortstr1 = 'd' + 'o' + 'g'
print(shortstr1)
char1 = msvcrt.getch()
char2 = msvcrt.getch()
char3 = msvcrt.getch
I am teaching myself Python by going through Allen Downing's "Think
Python." I have come across what should be a simple exercise, but I am
not getting the correct answer. Here's the exercise:
Given:
def histogram(s):
d = dict()
for c in s:
if c not in d:
d[c] = 1
On Mon, 29 Dec 2008 05:31:17 -0800, Aaron Brady wrote:
> One style of coding I heard about once only permits returns at the end
> of a function. It claims it makes it easier to see the function as a
> mathematical object.
That's silly. You treat the function as a black box: input comes in, and
On Mon, 29 Dec 2008 17:00:31 -0800, Ross wrote:
> Here's my code:
>
> def histogram(s):
> d = dict()
> for c in s:
> d[c]= d.get(c,0)
> return d
>
> This code returns a dictionary of all the letters to any string s I give
> it but each corresponding value is incor
Ross wrote:
... Use get to write histogram more concisely. You should be able to
eliminate the if statement.
def histogram(s):
d = dict()
for c in s:
d[c]= d.get(c,0)
return d
This code returns a dictionary of all the letters to any string s I
give it but
I've just downloaded Python's mainstream implementation (CPython),
which is written in C. Not to my surprise, I feel like I'm looking at
unstructured spaghetti, and I'm having trouble figuring out how it all
works together. (Please bear with me; I'm just going through the usual
frustration that any
On Mon, Dec 29, 2008 at 5:22 PM, wrote:
> 2. Have there been any suggestions in the past to rewrite Python's
> mainstream implementation in C++ (or why wasn't it done this way from
> the beginning)?
I'm not a CPython dev (I bet one will pipe in), but I would speculate
it's because C++ is so muc
On Tue, Dec 30, 2008 at 11:00 AM, Ross wrote:
> I am teaching myself Python by going through Allen Downing's "Think
> Python." I have come across what should be a simple exercise, but I am
> not getting the correct answer. Here's the exercise:
>
> Given:
>
> def histogram(s):
>d = dict()
>
On Dec 29, 6:05 pm, "James Mills"
wrote:
> On Tue, Dec 30, 2008 at 12:52 AM, mk wrote:
> > Hello everyone,
>
> > After readinghttp://www.python.org/dev/peps/pep-0371/I was under
> > impression that performance of multiprocessing package is similar to that of
> > thread / threading. However, to fa
On Tue, Dec 30, 2008 at 11:32 AM, James Mills
wrote:
> Ross, the others have informed you that you are not
> actually incrementing the count. I'll assume you've
> fixed your function now :) ... I want to show you a far
> simpler way to do this which takes advantage of
> Python's list comprehension
On Dec 29, 8:07 pm, Scott David Daniels wrote:
> Ross wrote:
> > ... Use get to write histogram more concisely. You should be able to
> > eliminate the if statement.
>
> > def histogram(s):
> > d = dict()
> > for c in s:
> > d[c]= d.get(c,0)
> > return d
>
> > This code returns
On Tue, Dec 30, 2008 at 11:34 AM, Aaron Brady wrote:
> The OP may be interested in Erlang, which Wikipedia (end-all, be-all)
> claims is a 'distribution oriented language'.
I would suggest to the OP that he take a look
at circuits (1) an event framework with a focus
on component architectures and
On Tue, Dec 30, 2008 at 11:38 AM, Ross wrote:
> I realize the code isn't counting, but how am I to do this without
> using an if statement as the problem instructs?
I just gave you a hint :)
cheers
James
--
http://mail.python.org/mailman/listinfo/python-list
On Mon, 29 Dec 2008 18:53:45 -0600, David Lemper wrote:
> I am trying getch() from msvcrt. The following module has been run with
> 3 different concatination statements and none yield a satisfactory
> result.Python 3.0
Your first problem is that you've run into the future of computing:
str
On Tue, Dec 30, 2008 at 11:32 AM, Chris Rebert wrote:
> On Mon, Dec 29, 2008 at 5:22 PM, wrote:
>
>> 2. Have there been any suggestions in the past to rewrite Python's
>> mainstream implementation in C++ (or why wasn't it done this way from
>> the beginning)?
>
> I'm not a CPython dev (I bet on
On Dec 29, 6:06 pm, Miles wrote:
> On Mon, Dec 29, 2008 at 1:01 AM, scsoce wrote:
> > I have a function return a reference, and want to assign to the reference,
> > simply like this:
> >>>def f(a)
> > return a
> > b = 0
> > * f( b ) = 1*
> > but the last line will be refused as "can'
On Tue, Dec 30, 2008 at 11:43 AM, James Mills
wrote:
> On Tue, Dec 30, 2008 at 11:38 AM, Ross wrote:
>> I realize the code isn't counting, but how am I to do this without
>> using an if statement as the problem instructs?
>
> I just gave you a hint :)
Ross:
This exercise is a simple exercise de
thmpsn@gmail.com writes:
> 1. Can anyone explain to me what kind of program structuring technique
> (which paradigm, etc) CPython uses? How do modules interact together?
> What conventions does it use?
There are a bunch of docs about this, you could read them. The program
is written about the
On Mon, 29 Dec 2008 17:38:36 -0800, Ross wrote:
> On Dec 29, 8:07 pm, Scott David Daniels wrote:
>> Ross wrote:
>> > ... Use get to write histogram more concisely. You should be able to
>> > eliminate the if statement.
>>
>> > def histogram(s):
>> > d = dict()
>> > for c in s:
>> >
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