On Thu, Oct 20, 2011 at 8:16 PM, Chris Angelico wrote:
> Hmm. I wonder would slice objects be appropriate? They're comparable:
>
a=slice(1,10)
b=slice(1,10)
a==b
> True
>
> They're not iterable though - not directly (but you could slice
> range(maxint) down to size). You could possi
On Thu, Oct 20, 2011 at 10:17 PM, Yosifov Pavel wrote:
> Little silly example:
>
> class MyFile(file):
> def __init__(self, *a, **ka):
> super(MyFile, self).__init__(*a, **ka)
> self.commented = 0
> def write(self, s):
> if s.startswith("#"):
> self.commented += 1
> super(MyFi
rusi writes:
> The American programmer would profit more from learning Latin than
> from learning yet another programming language.
>
> Edsger Dijkstra in "On the fact that the Atlantic Ocean has two
> sides"
>
> http://www.cs.utexas.edu/users/EWD/transcriptions/EWD06xx/EWD611.html
It's ambiguou
On Fri, Oct 21, 2011 at 1:34 PM, rusi wrote:
> The American programmer would profit more from learning Latin than
> from learning yet another programming language.
>
> Edsger Dijkstra in "On the fact that the Atlantic Ocean has two
> sides"
>
Expanding that quote:
---
A thorough study of one or
On 21 окт, 00:42, Ian Kelly wrote:
> On Thu, Oct 20, 2011 at 11:28 AM, Yosifov Pavel wrote:
> > In the Python 2.x was simple to create own file object:
>
> > class MyFile(file):
> > špass
>
> > for example to reimplement write() or something else. How to do it in
> > Python 3.x?
>
> See the docs
On Oct 21, 12:16 pm, Chris Angelico wrote:
> Hmm. I wonder would slice objects be appropriate?
> They're not iterable though
They're not hashable either, which kind of surprised me.
--
http://mail.python.org/mailman/listinfo/python-list
On 10月21日, 上午9时26分, Chris Rebert wrote:
> On Thu, Oct 20, 2011 at 6:08 PM, install...@189.cn wrote:
> > what i want to do is,when i press a button, i change the order of
> > selected components,how to do this?
>
> Which GUI toolkit are you using?
>
> Cheers,
> Chris
wxpython.
thx so much.
--
ht
On Oct 21, 5:31 am, Chris Angelico wrote:
> On Fri, Oct 21, 2011 at 9:14 AM, Redcat wrote:
> > On Wed, 19 Oct 2011 14:49:26 -0700, Westley Martínez wrote:
>
> >> I think you need to speak German fluently to be a good programmer.
>
> > No, just Dutch :)
>
> Whatever language it be, you do need to
On Fri, Oct 21, 2011 at 12:55 PM, Yingjie Lan wrote:
> In simulation, one can use range objects to denote a discrete domain,
> and domain comparison could be very useful. Not just equality, but also
> things like if one domain is contained in another.
>
Hmm. I wonder would slice objects be approp
- Original Message -
> From: Westley Martínez
> To: python-list@python.org
> Cc:
> Sent: Friday, October 21, 2011 12:22 AM
> Subject: Re: compare range objects
>
> There's already a discussion about this on python-ideas. But somebody
> please tell me, why would you ever need to comp
On Fri, Oct 21, 2011 at 12:46 PM, Yingjie Lan wrote:
>
> Thanks a lot to all who answered my question.
> I am still not sure why should we enforce that
> a generator can not be reused after an explicit
> request to revive it?
Here's an example of an explicit request to revive the generator:
>>>
- Original Message -
> From: Paul Rudin
> To: python-list@python.org
> Cc:
> Sent: Thursday, October 20, 2011 10:28 PM
> Subject: Re: revive a generator
>
> Yingjie Lan writes:
>
>> Hi,
>>
>> it seems a generator expression can be used only once:
>>
> g = (x*x for x in ran
On Thu, Oct 20, 2011 at 6:08 PM, install...@189.cn wrote:
> what i want to do is,when i press a button, i change the order of
> selected components,how to do this?
Which GUI toolkit are you using?
Cheers,
Chris
--
http://mail.python.org/mailman/listinfo/python-list
On Fri, Oct 21, 2011 at 9:14 AM, Redcat wrote:
> On Wed, 19 Oct 2011 14:49:26 -0700, Westley Martínez wrote:
>>
>> I think you need to speak German fluently to be a good programmer.
>
> No, just Dutch :)
Whatever language it be, you do need to be competent in a human
language to be a good program
On Thu, Oct 20, 2011 at 06:05:00PM -0400, Prasad, Ramit wrote:
> >I think you need to speak German fluently to be a good programmer.
> Why?
>
I won't reveal my secrets to JP Morgan Chase! I am loyal to the mighty
Bank of America.
--
http://mail.python.org/mailman/listinfo/python-list
On Wed, 19 Oct 2011 14:49:26 -0700, Westley Martínez wrote:
>> I am a poly-illiterate. I can't read or write hundreds of languages.
>
> I think you need to speak German fluently to be a good programmer.
No, just Dutch :)
--
http://mail.python.org/mailman/listinfo/python-list
>I think you need to speak German fluently to be a good programmer.
Why?
Ramit
Ramit Prasad | JPMorgan Chase Investment Bank | Currencies Technology
712 Main Street | Houston, TX 77002
work phone: 713 - 216 - 5423
This email is confidential and subject to important disclaimers and
conditions i
Prasad, Ramit wrote:
> I've created a wx NoteBook in wich I set multiples panels in wich I
> set one or more sizers. But nothing displays in the notebook,
> everything is outside. I've been searching an answer for 2 days ><.
> Can you help me plz ? Here is my code(with only one panel, to sum up
>
-Original Message-
From: python-list-bounces+ramit.prasad=jpmorgan@python.org
[mailto:python-list-bounces+ramit.prasad=jpmorgan@python.org] On Behalf Of
faucheuse
Sent: Monday, October 17, 2011 5:33 AM
To: python-list@python.org
Subject: Problem with a wx notebook
Hi there,
I've
Tim Golden wrote:
You have a few choices in this regard:
Also it's reportedly possible to register a .NET assembly
as a COM library and use it that way.
--
Greg
--
http://mail.python.org/mailman/listinfo/python-list
In article <5ed3f418-a03d-4be6-91a5-51c0df899...@mantaro.com>,
David Riley wrote:
> I've struggled mightily to get Numpy and pyopencl installed on my brand-new
> Lion machine running XCode 4.2 (not recommended, I know, but I'm a sucker for
> punishment). I did finally succeed, anyway.
>
> I f
On 10/20/2011 9:23 AM, Yingjie Lan wrote:
it seems a generator expression can be used only once:
Generators are iterators. Once iterators raise StopIteration, they are
supposed to continue doing so.
A generator expression defines a temporary anonymous generator function
that is called once t
On Oct 20, 1:02 pm, MRAB wrote:
> On 20/10/2011 19:39, Christopher Saunders wrote:
>
>
>
>
>
>
>
>
>
> > I have an excel sheet with a bunch of info regarding the stops a
> > delivery truck makes throughout the day. I can successfully extract
> > the information I need with xlrd. This is the code
Hello all,
I've struggled mightily to get Numpy and pyopencl installed on my brand-new
Lion machine running XCode 4.2 (not recommended, I know, but I'm a sucker for
punishment). I did finally succeed, anyway.
I found that the greatest problem I had (after installing gfortran from a
precompile
The range() in python is an iterable generator that returns an object ref/id.
The xrange() is different.
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On 20/10/2011 19:39, Christopher Saunders wrote:
I have an excel sheet with a bunch of info regarding the stops a
delivery truck makes throughout the day. I can successfully extract
the information I need with xlrd. This is the code I am using:
book = xlrd.open_workbook(r'c:\xytest.xls')
sheet
John Gordon, 20.10.2011 19:46:
I recently inherited some code that uses xml.dom.minidom to build a large
XML document, and I noticed that it is quite slow and uses a ton of memory.
I converted the same code to use lxml.etree and it is much faster and
uses not nearly so much memory.
Why is minid
I use minidom all the time and i don' t have that problem could you describe
more of the process ?
El oct 20, 2011 5:53 p.m., "John Gordon" escribió:
>
> I recently inherited some code that uses xml.dom.minidom to build a large
> XML document, and I noticed that it is quite slow and uses a ton of
I have an excel sheet with a bunch of info regarding the stops a
delivery truck makes throughout the day. I can successfully extract
the information I need with xlrd. This is the code I am using:
book = xlrd.open_workbook(r'c:\xytest.xls')
sheet= book.sheet_by_index(0)
odList = []
for i in rang
Ian Kelly wrote:
On Thu, Oct 20, 2011 at 12:00 PM, Hans Mulder wrote:
There's already a discussion about this on python-ideas. But somebody
please tell me, why would you ever need to compare ranges?
It could be useful if you're unit-testing a function that returns a range.
Easy:
list(range
On Thu, Oct 20, 2011 at 12:00 PM, Hans Mulder wrote:
>> There's already a discussion about this on python-ideas. But somebody
>> please tell me, why would you ever need to compare ranges?
>
> It could be useful if you're unit-testing a function that returns a range.
Easy:
list(range1) == list(r
On 20/10/11 18:22:04, Westley Martínez wrote:
On Thu, Oct 20, 2011 at 06:19:40AM -0700, Yingjie Lan wrote:
Hi,
Is it possible to test if two range objects contain the same sequence of
integers by the following algorithm in Python 3.2?
1. standardize the ending bound by letting it be the first
I recently inherited some code that uses xml.dom.minidom to build a large
XML document, and I noticed that it is quite slow and uses a ton of memory.
I converted the same code to use lxml.etree and it is much faster and
uses not nearly so much memory.
Why is minidom so hungry for resources? What
On Thu, Oct 20, 2011 at 11:28 AM, Yosifov Pavel wrote:
> In the Python 2.x was simple to create own file object:
>
> class MyFile(file):
> pass
>
> for example to reimplement write() or something else. How to do it in
> Python 3.x?
See the docs for the io module. Depending on what you want to d
In the Python 2.x was simple to create own file object:
class MyFile(file):
pass
for example to reimplement write() or something else. How to do it in
Python 3.x?
--
http://mail.python.org/mailman/listinfo/python-list
On Thu, Oct 20, 2011 at 06:19:40AM -0700, Yingjie Lan wrote:
> Hi,
>
> Is it possible to test if two range objects contain the same sequence of
> integers by the following algorithm in Python 3.2?
>
> 1. standardize the ending bound by letting it be the first excluded integer
> for the given s
On Thu, Oct 20, 2011 at 3:22 AM, Stefan Behnel wrote:
> Steven D'Aprano, 20.10.2011 10:04:
>>
>> Using Python 3, are range_iterator objects thread-safe?
>>
>> I have tried this, and it seems to be safe:
>>
>> >>> from threading import Thread
>> >>> x = iter(range(4))
>> >>> def doit(x):
>> ...
Yingjie Lan writes:
> Hi,
>
> it seems a generator expression can be used only once:
>
g = (x*x for x in range(3))
for x in g: print x
> 0
> 1
> 4
for x in g: print x #nothing printed
>
> Is there any way to revive g here?
>
Generators are like that - you consume them until t
On Fri, Oct 21, 2011 at 12:23 AM, Yingjie Lan wrote:
> Hi,
>
> it seems a generator expression can be used only once:
>
g = (x*x for x in range(3))
for x in g: print x
> 0
> 1
> 4
for x in g: print x #nothing printed
>
> Is there any way to revive g here?
If you're not generat
Hi,
Is it possible to test if two range objects contain the same sequence of
integers by the following algorithm in Python 3.2?
1. standardize the ending bound by letting it be the first excluded integer for
the given step size.
2. compare the standardized starting bound, ending bound and step
Hi,
it seems a generator expression can be used only once:
>>> g = (x*x for x in range(3))
>>> for x in g: print x
0
1
4
>>> for x in g: print x #nothing printed
>>>
Is there any way to revive g here?
Yingjie
--
http://mail.python.org/mailman/listinfo/python-list
In article ,
4k3nd0 <4k3...@googlemail.com> wrote:
> Hi guys,
>
> i want to insert a JSON formated String into a mongoDB. But get some
> problem with the insert to the database.
>
> Traceback (most recent call last):
> File "obp_import_pb.py", line 102, in
> do_import()
> File "obp_im
Ben Finney, 20.10.2011 13:23:
Stefan Behnel writes:
Steven D'Aprano, 20.10.2011 10:04:
Using Python 3, are range_iterator objects thread-safe?
The GIL ensures it's thread safe.
The GIL applies only to CPython.
and PyPy.
What is the answer for other Python
implementations which don't ha
Hi guys,
i want to insert a JSON formated String into a mongoDB. But get some
problem with the insert to the database.
Traceback (most recent call last):
File "obp_import_pb.py", line 102, in
do_import()
File "obp_import_pb.py", line 97, in do_import
collection = db.pb_mp.insert(obp
Am 20.10.2011 05:55, schrieb Steven D'Aprano:
> # Make consumer threads.
> class ThreadSql(threading.Thread):
> def __init__(self, queue):
> threading.Thread.__init__(self)
> self.queue = queue
> # Open database connection instance
> self.session = "+++connectio
Stefan Behnel writes:
> Steven D'Aprano, 20.10.2011 10:04:
> > Using Python 3, are range_iterator objects thread-safe?
> The GIL ensures it's thread safe.
The GIL applies only to CPython. What is the answer for other Python
implementations which don't have a GIL?
--
\ Eccles: “I just sa
On 20/10/2011 12:12 م, Tim Golden wrote:
If you can get the source (specifically including the setup.py
which I don't think is included in the wininst .zip) then you
can use that to build an msi:
python setup.py bdist_msi
which you can then manage via the usual msiexec switches.
It's often a
Steven D'Aprano, 20.10.2011 10:04:
Using Python 3, are range_iterator objects thread-safe?
I have tried this, and it seems to be safe:
>>> from threading import Thread
>>> x = iter(range(4))
>>> def doit(x):
... print("result =", next(x))
...
>>> threads = [Thread(target=doit, args=(x,)) fo
"Tim Golden" wrote in message
news:mailman.2075.1319100141.27778.python-l...@python.org...
>
> You have a few choices in this regard:
Thanks for a detailed reply. We'll start looking at [1] and [3].
--
http://mail.python.org/mailman/listinfo/python-list
On 20/10/2011 09:45, Muhammad Bashir Al-Noimi wrote:
On 20/10/2011 01:35 ص, Alec Taylor wrote:
Just download the msi (script is available to regenerate yourself) and
run it with the silent swtich, something like:
msiexec /x nameofmsi.msi
Sorry I didn't explain what I'm looking for exactly.
I'
On 20/10/2011 12:00 ص, Steven D'Aprano wrote:
Please don't send raw HTML (so-called "rich text") to mailing lists. It
makes it very difficult for some people to read. If you must use HTML,
please ensure your email client or news reader also sends a plain text
version of the message as well.
Sorr
On 20/10/2011 01:35 ص, Alec Taylor wrote:
Just download the msi (script is available to regenerate yourself) and
run it with the silent swtich, something like:
msiexec /x nameofmsi.msi
Sorry I didn't explain what I'm looking for exactly.
I've packages built by bdist_wininst, Is there any way f
On 20/10/2011 09:06, Uffe Kousgaard wrote:
Is python able to access COM libraries or .NET assemblies? If both, which is
the easist or most popular?
You have a few choices in this regard:
* CPython can access COM objects either via the pywin32 extensions[1]
or via comtypes[2]. The former is mai
Is python able to access COM libraries or .NET assemblies? If both, which is
the easist or most popular?
--
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Using Python 3, are range_iterator objects thread-safe?
I have tried this, and it seems to be safe:
>>> from threading import Thread
>>> x = iter(range(4))
>>> def doit(x):
... print("result =", next(x))
...
>>> threads = [Thread(target=doit, args=(x,)) for i in range(4)]
>>> for t in thread
On Oct 20, 5:55 am, Steven D'Aprano wrote:
> On Wed, 19 Oct 2011 13:14:21 -0700, markus.mj wrote:
> > Hi,
>
> > I am looking for help with following problem. I scripted threaded
> > database query, with session open per thread, and queries delivered
> > through queue. Every open DB session must be
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