kj, as Piet van Oostrum as said, that's the difference between mutable
an immutable. It comes from the procedural nature of Python, and
probably an explanation of such topic can't be avoided if you want to
learn/teach Python.
Lot of people think that a language where everything is immutable is
sim
"mclovin" wrote in message
news:c5332c9b-2348-4194-bfa0-d70c77107...@x3g2000yqa.googlegroups.com...
> Currently I need to find the most common elements in thousands of
> arrays within one large array (arround 2 million instances with ~70k
> unique elements)
>
> so I set up a dictionary to handle
> If you do write the interpreter, let me know. I would certainly experiment
> with it.
+2 over here!
Malcolm
--
http://mail.python.org/mailman/listinfo/python-list
On Tue, 07 Jul 2009 09:01:39 +0300, jack catcher (nick) wrote:
> Thanks for the comments. Unfortunately, such specifications aren't easy
> to find, even in reviews. Fortunately several newer webcams seem at
> least to use usb2.
Supporting USB-2 doesn't mean that the camera necessarily uses high
En Tue, 07 Jul 2009 09:55:13 -0300, Dave Angel escribió:
Gabriel Genellina wrote:
En Mon, 06 Jul 2009 19:56:40 -0300, matt0177
escribió:
When I try to run the command as outlined in
the book "simple_markup2.py < test_input.txt > test_output.html i get
the
following error every time.
IO
Bearophile wrote:
kj, as Piet van Oostrum as said, that's the difference between mutable
an immutable. It comes from the procedural nature of Python, and
probably an explanation of such topic can't be avoided if you want to
learn/teach Python.
...(snip)
See you later,
bearophile
-Original Message-
From: Dennis Lee Bieber [mailto:wlfr...@ix.netcom.com]
Sent: Tuesday, 7 July 2009 4:45 p.m.
To: python-list@python.org
Subject: Re: A Bug By Any Other Name ...
On Mon, 6 Jul 2009 19:48:39 -0700, Daniel Fetchinson
declaimed the following in
gmane.comp.python.general:
So, the question is, can the same thing be done for Python apps?
I love Python and all, but it'd be apt to ask, what's the point?
The iPhone is running on what? A 400Mhz ARM processor? Resources on the
device are already limited; running your program on top of an embedded
Python interpre
Stef Mientki writes:
>>> So, the question is, can the same thing be done for Python apps?
>>>
>>
>> I love Python and all, but it'd be apt to ask, what's the point?
>>
>> The iPhone is running on what? A 400Mhz ARM processor? Resources on the
>> device are already limited; running your progr
En Tue, 07 Jul 2009 15:01:17 -0300, roschler
escribió:
I have the Python Intepreter embedded in a Delphi (Object Pascal)
program. In the Python script shown below, I have a module that
creates a thread object and starts it.
Do you *execute* the module or do you *import* it?
Isn't a good id
J Kenneth King wrote:
Stef Mientki writes:
So, the question is, can the same thing be done for Python apps?
I love Python and all, but it'd be apt to ask, what's the point?
The iPhone is running on what? A 400Mhz ARM processor? Resources on the
device are already limited; ru
I really enjoyed your boxes analogy, from a guy with a trucking background,
it makes a lot of sense!
-Bret
> ... The more I delve into OOP the more I liken an 'object' to a box. A box
> with a shipping manifest.
>
> There are big boxes,
> little boxes,
> squat boxes and so on.
>
> A box can conta
In message , Christian
Heimes wrote:
> By the way most operating systems don't lock a file when it's opened for
> reading or writing or even executed.
The general conclusion seems to be that mandatory locking is more trouble
than it's worth.
--
http://mail.python.org/mailman/listinfo/python-l
kj writes:
> In Chris Rebert
> writes:
>
> >You might find the following helpful (partially):
> >http://effbot.org/zone/call-by-object.htm
>
> Extremely helpful. Thanks! (I learned more from it than someone
> who will teach the stuff would care to admit...)
I have got very good results fr
En Tue, 07 Jul 2009 14:46:47 -0300, Hanna Michelsen
escribió:
I'm working with both python and matlab at the moment and I was
wondering if
there is an efficient way to take a 2-D array (of 1s and 0s) in python
and
write it to a text file such that matlab will be able to create a sparse
ma
Is there a Python function I can use to get the user's IP
address so I can display it on his browser?
Regards,
Fred
--
http://mail.python.org/mailman/listinfo/python-list
On Jul 7, 5:11 pm, kj wrote:
> I don't plan to present these examples to them.
> But beginners have a way of bumping into such
> conundrums all on their own [...]. I doubt that
> an answer of the form "don't worry your pretty
> little head over this now; wait until your second
> course" will do t
On 2009-07-08, Fred Atkinson wrote:
> Is there a Python function I can use to get the user's IP
> address so I can display it on his browser?
If you are using CGI you can get it from the REMOTE_ADDR environmental
variable.
--
http://mail.python.org/mailman/listinfo/python-list
On Tue, Jul 7, 2009 at 6:45 PM, Fred Atkinson wrote:
> Is there a Python function I can use to get the user's IP
> address so I can display it on his browser?
from socket import gethostname, gethostbyname
ip = gethostbyname(gethostname())
Cheers,
Chris
--
http://blog.rebertia.com
--
http
pdpi writes:
> while abs(func(guess) - target) > epsilon:
> guess = (lo + hi) / 2.
> if sense * func(guess) > sense * target:
> hi = guess
> elif sense * func(guess) < sense * target:
> lo = guess
> elif lo == hi:
> return Non
On Jul 7, 8:06 pm, Ben Finney wrote:
> I have got very good results from teaching using
> the analogy of “paper tags tied to physical objects”
> to describe Python's references to values.
Ah, I like that! I think it's better than what I used in my post
(which I composed and submitted before your
En Tue, 07 Jul 2009 09:51:10 -0300, Jean-Michel Pichavant
escribió:
I've never used sense in that way before, nor I've seen used by others
until now. However Kj is right, and my dictionary seems wrong
(wordreference.com). I've searched through others dictionaries and find
out this is actua
En Tue, 07 Jul 2009 22:45:24 -0300, Fred Atkinson
escribió:
Is there a Python function I can use to get the user's IP
address so I can display it on his browser?
There is a long distance between "Python" and "browser" - you'll have to
tell us what is in between the two.
By example
On Tue, 07 Jul 2009 21:18:53 +, kj wrote:
> I had not realized how *profoundly* different the meaning of the "=" in
> Python's
>
> spam = ham
>
> is from the "=" in its
>
> spam[3] = ham[3]
>
> So much for "explicit is better than implicit"...
I'm sorry, I don't get it. Can you explai
Ben,
> I have got very good results from teaching using the analogy of "paper tags
> tied to physical objects" to describe Python's references to values.
Great analogy!! And an excellent analogy for newcomers to Python. (this
would have saved me some personal pain in my early days).
Regards,
Ma
En Tue, 07 Jul 2009 17:04:46 -0300, kj escribió:
I'm having a hard time coming up with a reasonable way to explain
certain things to programming novices.
ham = [1, 2, 3, 4]
spam = (ham,)
spam
([1, 2, 3, 4],)
spam[0] is ham
True
spam[0] += [5]
Traceback (most recent call last):
File "",
Any help would be appreciated :-)
I want to write an auction sniping tool in Python. I know Python, but
I know absolutely nothing about web pages, javascript etc i.e. I want
the program to automatically log me into my eBay account, access the
appropriate item, locate how many mins/seconds until th
Peter wrote:
Any help would be appreciated :-)
I want to write an auction sniping tool in Python. I know Python, but
I know absolutely nothing about web pages, javascript etc i.e. I want
the program to automatically log me into my eBay account, access the
appropriate item, locate how many mins/s
On Jul 7, 4:04 pm, kj wrote:
> I'm having a hard time coming up with a reasonable way to explain
> certain things to programming novices.
>
> Consider the following interaction sequence:
>
> >>> def eggs(some_int, some_list, some_tuple):
>
> ... some_int += 2
> ... some_list += [2]
> ...
On Jul 8, 3:05 am, dana wrote:
> I have a variety of Python 2.4 scripts that utilitize the DBI and ODBC
> modules together. Although I don't have Python 2.5, I've been informed
> the DBI module has been deprecated at 2.5.
>
> A few questions:
>
> 1) Although deprecated, will it work at all in 2.5?
On Jul 8, 4:57 am, Lawrence D'Oliveiro wrote:
> In message , Christian
>
> Heimes wrote:
> > By the way most operating systems don't lock a file when it's opened for
> > reading or writing or even executed.
>
> The general conclusion seems to be that mandatory locking is more trouble
> than it's w
Nobody wrote:
>
>The webcam is bound to do some encoding; most of them use USB "full speed"
>(12Mbit/sec), which isn't enough for raw 640x480x24...@30fps data.
That's not true. Most of the web cams made in the last 5 years or so run
at high speed, 480 Mbps. Full speed only gets you 1 fps at 640
On Tue, 07 Jul 2009 20:04:46 +, kj wrote:
> I'm having a hard time coming up with a reasonable way to explain
> certain things to programming novices.
[...]
> Or consider this one:
>
ham = [1, 2, 3, 4]
spam = (ham,)
spam
> ([1, 2, 3, 4],)
spam[0] is ham
> True
spam
Dear all,
I have file as follows,however, tab seperated (not shown in following file):
6 3 4.309726
7 65 93.377388
8 47 50.111952
9 270 253.045923
10 184182.684670
11 76 121.853455
12 85 136.283470
Please look at on :
http://www.lag.net/paramiko/ http://www.lag.net/paramiko/
Sample Code: Find Attachment
Thanks,
S.V.RAJKUMAR,
XOU Solutions India Private Limited
No. 37, PM Towers,
Greams Road,
Thousand Lights,
Chennai - 6 .
Mobile No : +91 - 9940632275.
half.italian wrote:
>
> On
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