On Friday, April 22, 2016 at 4:41:08 PM UTC+5:30, Jussi Piitulainen wrote:
> Peter Otten writes:
>
> > harirammano...@gmail.com wrote:
> >
> >> On Thursday, April 21, 2016 at 7:03:00 PM UTC+5:30, Jussi Piitulainen
> >> wrote:
> >>> harirammano...@gmail.com writes:
> >>>
> >>> > On Monday, April 1
On Friday, April 22, 2016 at 3:20:53 PM UTC+5:30, Peter Otten wrote:
> harirammano...@gmail.com wrote:
>
> >> @peter yes here it is not xml, but real data is an xml..believe me..
> >
> > @peter this is the similar xml i am having, you can correlate.
> >
> > https://tomcat.apache.org/tomcat-5.5-d
On 4/24/2016 6:07 PM, David wrote:
Is this a bug in the asyncio libraries?
Is this a fixed bug, already? I am using Python 3.4.2 as distributed in Ubuntu
Lucid, with built-in asyncio.
The people who patch asyncio do not read this list. Either install a
current release or try the tulip rele
So I tried the recommended limit approach and got some interesting results.
## Write a method to approximate Euler's Number using Euler's Method
import math
class EulersNumber():
def __init__(self,n):
self.n = n
self.e = 2
def linearApproximation(self,x,h,d): # f(x+h)=f(x)+h*f'(x)
return x + h *
Actually, I'm not trying to speed it up, just be able to handle a large
number of n.
(Thank you Chris for the suggestion to use xrange, I am on a Mac using the
stock Python 2.7)
I am looking at the number of iterations of linear approximation that are
required to get a more accurate representation
On Sun, Apr 24, 2016 at 2:08 PM Steven D'Aprano wrote:
> On Sun, 24 Apr 2016 04:40 pm, Michael Selik wrote:
> > I think we're giving mixed messages because we're conflating
> "constants" and globals that are expected to change.
>
> When you talk about "state", that usually means "the current stat
On 04/24/2016 12:58 PM, CM wrote:
> 1. INPUT: What's the best way to scrape an email like this? The
> email is to a Gmail account, and the content shows up in the email as
> a series of basically 6x7 tables (HTML?), one table per PO
> number/task. I know if the freelancer were to copy and paste the
I noticed this trail on Google... if you're still interested, you could try out
https://github.com/peterbrittain/asciimatics
I ported it to Windows from Linux so exactly the same API works on both.
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arthur sherman wrote:
> m using a python web applic (adagios, a nagios configuration tool).
> when attempting a certain operation on the client side browser i get the
> above error. the client side is ubunti 14.04. servers side is debian 8.
> browser is ff or chrome. both show:
> echo $LANG
> en_U
Is this a bug in the asyncio libraries?
This code:
'''
proc = yield from asyncio.create_subprocess_exec(*cmd,
stdout=subprocess.PIPE, stderr=subprocess.PIPE, env=env)
# read all data from subprocess pipe, copy to nextCoro
ln = yield from proc.stdout.read(1024)
while ln:
On 24 April 2016 at 19:21, Chris Angelico wrote:
> On Mon, Apr 25, 2016 at 4:03 AM, Derek Klinge wrote:
>> Ok, from the gmail web client:
>
> Bouncing this back to the list, and removing quote markers for other
> people's copy/paste convenience.
>
> ## Write a method to approximate Euler's Number
On 04/24/2016 08:58 PM, CM wrote:
I would like to write a Pythons script to automate a tedious process and could
use some advice.
The source content will be an email that has 5-10 PO (purchase order) numbers
and information for freelance work done. The target content will be an invoice.
(Th
m using a python web applic (adagios, a nagios configuration tool).
when attempting a certain operation on the client side browser i get the above
error.
the client side is ubunti 14.04. servers side is debian 8. browser is ff or
chrome.
both show:
echo $LANG
en_US.UTF-8
before i dive into the c
On Sun, Apr 24, 2016 at 5:42 AM, Albert-Jan Roskam
wrote:
> Aww, I kinda forgot about that already, but I came across this last
> year [1]. Apparently, shutil.rmtree(very_long_path) failed under Win 7,
> even with the "silly prefix". I believe very_long_path was a
> Python2-str.
> [1]
> https://ma
I would like to write a Pythons script to automate a tedious process and could
use some advice.
The source content will be an email that has 5-10 PO (purchase order) numbers
and information for freelance work done. The target content will be an invoice.
(There will be an email like this every w
On Sun, Apr 24, 2016 at 10:04 AM, Ethan Furman wrote:
> On 04/24/2016 08:20 AM, Ian Kelly wrote:
>> * Java doesn't have the hokey notion of enum instances being distinct
>> from their "value". The individual enum members *are* the values.
>> Whereas in Python an enum member is an awkward class ins
On 04/24/2016 11:14 AM, Joel Goldstick wrote:
On Sun, Apr 24, 2016 at 2:05 PM, San wrote:
I want details explanation(why this statement used,when it can be used,etc) of
following statement in python code
"from __future__ import print_function"
It lets python 2.7 use python 3.x print functi
On 04/24/2016 11:27 AM, Chris Angelico wrote:
On Mon, Apr 25, 2016 at 4:12 AM, Ethan Furman wrote:
Values can be anything. The names are immutable and hashable.
I know they *can* be, because I looked in the docs; but does it make
sense to a human? Sure, we can legally do this:
Well, not m
On Mon, Apr 25, 2016 at 4:12 AM, Ethan Furman wrote:
> On 04/24/2016 09:47 AM, Chris Angelico wrote:
>
>> I would normally expect enumerated values to be immutable and
>> hashable, but that isn't actually required by the code AIUI. Under
>> what circumstances is it useful to have mutable enum valu
On Mon, Apr 25, 2016 at 4:03 AM, Derek Klinge wrote:
> Ok, from the gmail web client:
Bouncing this back to the list, and removing quote markers for other
people's copy/paste convenience.
## Write a method to approximate Euler's Number using Euler's Method
import math
class EulersNumber():
On Sun, Apr 24, 2016 at 2:05 PM, San wrote:
> Hi All,
> I want details explanation(why this statement used,when it can be used,etc)
> of following statement in python code
>
> "from __future__ import print_function"
>
> Thanks in advance.
> --
> https://mail.python.org/mailman/listinfo/python-lis
On 04/24/2016 09:47 AM, Chris Angelico wrote:
I would normally expect enumerated values to be immutable and
hashable, but that isn't actually required by the code AIUI. Under
what circumstances is it useful to have mutable enum values?
Values can be anything. The names are immutable and hasha
Hi All,
I want details explanation(why this statement used,when it can be used,etc) of
following statement in python code
"from __future__ import print_function"
Thanks in advance.
--
https://mail.python.org/mailman/listinfo/python-list
On Sun, 24 Apr 2016 04:40 pm, Michael Selik wrote:
> I think we're giving mixed messages because we're conflating "constants"
> and globals that are expected to change.
When you talk about "state", that usually means "the current state of the
program", not constants. math.pi is not "state".
>
On Mon, Apr 25, 2016 at 3:54 AM, BartC wrote:
> On 24/04/2016 17:47, Chris Angelico wrote:
>>
>> On Mon, Apr 25, 2016 at 2:42 AM, Ethan Furman wrote:
Easy: allow an empty list to have the same meaning as an empty tuple.
Every time you have [] in your source code, you're guaranteed
On Mon, Apr 25, 2016 at 3:56 AM, Derek Klinge wrote:
> Doesn't range(n) create a list n long?
Not in Python 3. If your code is running on Python 2, use xrange
instead of range. I rather doubt that's your problem, though.
ChrisA
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Doesn't range(n) create a list n long?
On Sun, Apr 24, 2016 at 10:21 AM Chris Angelico wrote:
> On Mon, Apr 25, 2016 at 3:02 AM, Derek Klinge
> wrote:
> > My problem is this: my attempt at Euler's Method involves creating a
> list of
> > numbers that is n long. Is there a way I can iterate over
On 24/04/2016 17:47, Chris Angelico wrote:
On Mon, Apr 25, 2016 at 2:42 AM, Ethan Furman wrote:
Easy: allow an empty list to have the same meaning as an empty tuple.
Every time you have [] in your source code, you're guaranteed to get a
new (unique) empty list, and then multiple assignment will
On Mon, Apr 25, 2016 at 3:02 AM, Derek Klinge wrote:
> My problem is this: my attempt at Euler's Method involves creating a list of
> numbers that is n long. Is there a way I can iterate over the linear
> approximation method without creating a list of steps (maybe recursion, I am
> a bit new at t
On Mon, Apr 25, 2016 at 3:06 AM, Derek Klinge wrote:
> I think my e-mail client may be stripping the indentation, here it is with
> 4-space indentation
I think it is. Both your reposted versions have indentation lost. You
may need to use a different client.
My posts come from the Gmail web clien
This is mostly just for the fun of it, but every now and then I have a
discussion with people about why it's legal to shadow Python's
built-in names, and it'd be handy to have a go-to piece of demo code.
So here's the challenge: Write a short, readable block of code that
shadows as many built-ins a
I think my e-mail client may be stripping the indentation, here it is with
4-space indentation
## Write a method to approximate Euler's Number using Euler's Method
import math
class EulersNumber():
def __init__(self,n):
self.eulerSteps = n
self.e = self.EulersMethod(self.eulerSteps)
def linearApp
Sorry about the code indentation, I was using Pythonista (iOS), and it did
not have any problem with that indentation...
Here is a new set of the code:
## Write a method to approximate Euler's Number using Euler's Method
import math
class EulersNumber():
def __init__(self,n):
self.eulerSteps = n
On Mon, Apr 25, 2016 at 2:42 AM, Ethan Furman wrote:
>> Easy: allow an empty list to have the same meaning as an empty tuple.
>> Every time you have [] in your source code, you're guaranteed to get a
>> new (unique) empty list, and then multiple assignment will work.
>
>
> *sigh*
>
> Where were yo
On 04/24/2016 09:10 AM, Chris Angelico wrote:
On Mon, Apr 25, 2016 at 2:04 AM, Ethan Furman wrote:
Unfortunately, the empty tuple tends to be a singleton, so there is no way
to tell that red and default are (supposed to be) the same and blue is
(supposed to be) different:
--> a = b = ()
--> c
On Sun, Apr 24, 2016 at 1:05 PM, Derek Klinge wrote:
> I have been writing a python script to explore Euler's Method of
> approximating Euler's Number. I was hoping there might be a way to make
> this process work faster, as for sufficiently large eulerSteps, the process
> below becomes quite slow
On Mon, Apr 25, 2016 at 2:04 AM, Ethan Furman wrote:
> Unfortunately, the empty tuple tends to be a singleton, so there is no way
> to tell that red and default are (supposed to be) the same and blue is
> (supposed to be) different:
>
> --> a = b = ()
> --> c = ()
> --> a is b
> True
> --> a is c
On 04/24/2016 08:20 AM, Ian Kelly wrote:
On Sun, Apr 24, 2016 at 1:20 AM, Ethan Furman wrote:
On 04/23/2016 06:29 PM, Ian Kelly wrote:
Python enums are great. Sadly, they're still not quite as awesome as Java
enums.
What fun things can Java enums do?
Everything that Python enums can do,
On Sun, Apr 24, 2016 at 1:20 AM, Ethan Furman wrote:
> On 04/23/2016 06:29 PM, Ian Kelly wrote:
>
>> Python enums are great. Sadly, they're still not quite as awesome as Java
>> enums.
>
>
> What fun things can Java enums do?
Everything that Python enums can do, plus:
* You can override methods
On 04/23/2016 06:00 PM, Christopher Reimer wrote:
Hmm... What do we use Enum for? :)
from enum import Enum
class Piece(Enum):
king = 'one space, any direction'
queen = 'many spaces, any direction'
bishop = 'many spaces, diagonal'
knight = 'two spaces cardinal, one space sidewa
> From: eryk...@gmail.com
> Date: Sat, 23 Apr 2016 15:22:35 -0500
> Subject: Re: Remove directory tree without following symlinks
> To: python-list@python.org
>
> On Sat, Apr 23, 2016 at 4:34 AM, Albert-Jan Roskam
> wrote:
>>
>>> From: eryk...@gmail.com
>>> Date: Fri, 22 Apr 2016 13:28:01 -0500
On 04/21/2016 11:43 PM, Paulo da Silva wrote:
class C(pd.DataFrame):
Note also that subclassing pandas is not always encouraged:
http://pandas.pydata.org/pandas-docs/stable/internals.html#subclassing-pandas-data-structures
Cheers,
Fabien
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https://mail.python.org/mailman/listinfo/python-lis
On 04/23/2016 06:21 PM, Michael Selik wrote:
On Sat, Apr 23, 2016 at 9:01 PM Christopher Reimer wrote:
Hmm... What do we use Enum for? :)
You can use Enum in certain circumstances to replace int or str constants.
It can help avoid mistyping mistakes and might help your IDE give
auto-complete
On 04/23/2016 06:29 PM, Ian Kelly wrote:
Python enums are great. Sadly, they're still not quite as awesome as Java enums.
What fun things can Java enums do?
--
~Ethan~
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