On Fri, 18 Apr 2025 at 16:50, Peter J. Holzer via Python-list
wrote:
>
> On 2025-04-18 13:24:28 +1200, Greg Ewing via Python-list wrote:
> > On 18/04/25 9:41 am, Mats Wichmann wrote:
> > > There's just not a really great answer to this.
> >
> > Seems to me a system-installed application shouldn't
On Sun, 22 Dec 2024 at 19:17, Gilmeh Serda via Python-list
wrote:
>
> Was just playing with numbers and stumbled on something I've never seen
> before.
...
>
> >>> 9**9**4
> Traceback (most recent call last):
> File "", line 1, in
> ValueError: Exceeds the limit (4300 digits) for integer string
On Sat, 14 Dec 2024 at 19:02, Mark Bourne via Python-list
wrote:
>
> Martin Ruppert wrote:
> > Hi,
> >
> > the division 0.4/7 provides a wrong result. It should give a periodic
> > decimal fraction with at most six digits, but it doesn't.
> >
> > Below is the comparison of the result of decimal, m
(posting on-list this time)
On Thu, 11 Jul 2024 at 15:18, Popov, Dmitry Yu via Python-list
wrote:
>
> Dear Sirs.
>
> Does NumPy provide a simple mechanism to identify relatively prime integers,
> i.e. integers which don't have a common factor other than +1 or -1? For
> example, in case of this
On Sat, 6 Jul 2024 at 11:55, Rob Cliffe via Python-list
wrote:
>
> Consider this scenario (which I ran into in real life):
> I want to open a text file and do a lot of processing on the lines
> of that file.
> If the file does not exist I want to take appropriate action, e.g.
> print an
On Wed, 12 Jun 2024 at 23:52, Greg Ewing via Python-list
wrote:
> On 13/06/24 10:09 am, Chris Angelico wrote:
> > So if anyone
> > actually does need to use pip with Python 2.7, they probably need to
> > set up a local server
>
> You should also be able to download a .tar.gz from PyPI and use p
On Wed, 12 Jun 2024 at 23:11, Chris Angelico via Python-list
wrote:
>
> On Thu, 13 Jun 2024 at 07:57, Oscar Benjamin via Python-list
> wrote:
> > They are seeing a warning that explicitly says "You can upgrade to a
> > newer version of Python to solve this"
On Wed, 12 Jun 2024 at 22:38, AVI GROSS via Python-list
wrote:
>
> The discussion though was about a specific OP asking if they can fix their
> problem. One solution being suggested is to fix a deeper problem and simply
> make their code work with a recent version of python 3.
The OP has not repl
On Sun, 31 Dec 2023 at 00:35, Left Right wrote:
>
> It's not for you to choose the way I communicate. There are accepted
> boundaries, and I'm well within those boundaries. Anything beyond that
> is not something I'm even interested in hearing your opinion on.
You might not be interested in my op
On Fri, 29 Dec 2023 at 22:38, Left Right via Python-list
wrote:
>
> > Then your understanding is flat-out wrong. Encouraging participation
> > by everyone DOES mean deleting what is unproductive, offensive, and
> > likely to discourage participation.
>
> I haven't written anything unproductive or
On Fri, 29 Dec 2023 at 13:04, Left Right via Python-list
wrote:
>
> Wow. That place turned out to be the toxic pit I didn't expect.
>
> It's a shame that a public discussion of public goods was entrusted to
> a bunch of gatekeepers with no sense of responsibility for the thing
> they keep the keys
On Sun, 3 Dec 2023 at 10:25, Julieta Shem via Python-list
wrote:
>
> Alan Bawden writes:
> >
> > def powers_of_2_in(n):
> > bc = (n ^ (n - 1)).bit_count() - 1
> > return bc, n >> bc
>
> That's pretty fancy and likely the fastest.
It might be the fastest but it depends how big you expect
On Thu, 18 May 2023 at 10:16, Rob Cliffe via Python-list
wrote:
>
> I am trying to learn tkinter.
> Several examples on the internet refer to a messagebox class
> (tkinter.messagebox).
> But:
>
> Python 3.8.3 (tags/v3.8.3:6f8c832, May 13 2020, 22:20:19) [MSC v.1925 32
> bit (Intel)] on win32
> Typ
On Wed, 3 May 2023 at 18:52, Thomas Passin wrote:
>
> On 5/3/2023 5:45 AM, fedor tryfanau wrote:
> > I've been using python as a tool to solve competitive programming problems
> > for a while now and I've noticed a feature, python would benefit from
> > having.
> > Consider "reversed(enumerate(a))
On Tue, 11 Apr 2023 at 14:55, Mats Wichmann wrote:
>
> On 4/11/23 06:03, Roel Schroeven wrote:
> > Op 11/04/2023 om 12:58 schreef Chris Angelico:
>
> >> Python itself is fine, but a lot of third-party packages are hard to
> >> obtain. So if you need numpy, for instance, or psycopg2, you might
> >>
On Tue, 11 Apr 2023 at 12:01, Chris Angelico wrote:
>
> On Tue, 11 Apr 2023 at 20:15, Jim Schwartz wrote:
> >
> > What’s the problem now? Is it with python on windows? I use python on
> > windows so I’d like to know. Thanks
> >
>
> Python itself is fine, but a lot of third-party packages are h
On Fri, 31 Mar 2023 at 20:24, Peter J. Holzer wrote:
>
> On 2023-03-31 07:39:25 +0100, Barry wrote:
> > On 30 Mar 2023, at 22:30, Chris Angelico wrote:
> > > It's called math.pow. That on its own should be a strong indication
> > > that it's designed to work with floats.
> >
> > So long as you kn
On Thu, 30 Mar 2023 at 17:31, Andreas Eisele wrote:
>
> I sometimes make use of the fact that the built-in pow() function has an
> optional third argument for modulo calculation, which is handy when dealing
> with tasks from number theory, very large numbers, problems from Project
> Euler, etc.
On Tue, 14 Mar 2023 at 16:27, Alexander Nestorov wrote:
>
> I'm working on an NLP and I got bitten by an unreasonably slow behaviour in
> Python while operating with small amounts of numbers.
>
> I have the following code:
>
> ```python
> import random, time
> from functools import reduce
>
> def
On Tue, 28 Feb 2023 at 20:55, Mats Wichmann wrote:
>
> On 2/27/23 16:42, Oscar Benjamin wrote:
> > On Mon, 27 Feb 2023 at 21:06, Ethan Furman wrote:
> >>
> >> On 2/27/23 12:20, rbowman wrote:
> >>
> >> > "By using Black, you agree to ced
On Mon, 27 Feb 2023 at 21:06, Ethan Furman wrote:
>
> On 2/27/23 12:20, rbowman wrote:
>
> > "By using Black, you agree to cede control over minutiae of hand-
> > formatting. In return, Black gives you speed, determinism, and freedom
> > from pycodestyle nagging about formatting. You will save
On Sat, 18 Feb 2023 at 11:19, Peter J. Holzer wrote:
>
> On 2023-02-18 03:52:51 +, Oscar Benjamin wrote:
> > On Sat, 18 Feb 2023 at 01:47, Chris Angelico wrote:
> > > On Sat, 18 Feb 2023 at 12:41, Greg Ewing via Python-list
> > > > To avoid it you would need
On Sat, 18 Feb 2023 at 01:47, Chris Angelico wrote:
>
> On Sat, 18 Feb 2023 at 12:41, Greg Ewing via Python-list
> wrote:
> >
> > On 18/02/23 7:42 am, Richard Damon wrote:
> > > On 2/17/23 5:27 AM, Stephen Tucker wrote:
> > >> None of the digits in RootNZZZ's string should be different from the
>
On Fri, 17 Feb 2023 at 10:29, Stephen Tucker wrote:
>
> Thanks, one and all, for your reponses.
>
> This is a hugely controversial claim, I know, but I would consider this
> behaviour to be a serious deficiency in the IEEE standard.
[snip]
>
> Perhaps this observation should be brought to the atte
On Tue, 14 Feb 2023 at 07:12, Stephen Tucker wrote:
>
> Hi,
>
> I have just produced the following log in IDLE (admittedly, in Python
> 2.7.10 and, yes I know that it has been superseded).
>
> It appears to show a precision tail-off as the supplied float gets bigger.
>
> I have two questions:
> 1.
On Fri, 20 Jan 2023 at 17:30, Dino wrote:
>
> let's say I have this list of nested dicts:
>
> [
>{ "some_key": {'a':1, 'b':2}},
>{ "some_other_key": {'a':3, 'b':4}}
> ]
>
> I need to turn this into:
>
> [
>{ "value": "some_key", 'a':1, 'b':2},
>{ "value": "some_other_key", 'a':3, '
On Sun, 11 Dec 2022 at 15:55, Chris Green wrote:
>
> Is the only way to read single characters from the keyboard to use
> curses.cbreak() or curses.raw()? If so how do I then read characters,
> it's not at all obvious from the curses documentation as that seems to
> think I'm using a GUI in some
On Mon, 8 Aug 2022 at 19:01, Andreas Croci wrote:
>
> tI would like to write a program, that reads from the network a fixed
> amount of bytes and appends them to a list. This should happen once a
> second.
>
> Another part of the program should take the list, as it has been filled
> so far, every
On Thu, 7 Jul 2022 at 22:55, Michael F. Stemper
wrote:
>
> sum() is wonderful.
>
> >>> nums = [1,2,3]
> >>> sum(nums)
> 6
> >>> product(nums)
> Traceback (most recent call last):
> File "", line 1, in
> NameError: name 'product' is not defined
> >>>
>
> I understand that there i
On Sat, 26 Feb 2022 at 03:10, Dennis Lee Bieber wrote:
>
> On Fri, 25 Feb 2022 23:06:57 + (UTC), Avi Gross
> declaimed the following:
>
> >I do have to wonder if anyone ever considered adding back enough
> >functionality into base Python to make some additions less needed. Is there
> >any r
On Fri, 25 Feb 2022 at 23:13, Barry wrote:
>
> > On 25 Feb 2022, at 23:00, Richard Damon wrote:
> >
> > On 2/25/22 2:47 PM, Chris Angelico wrote:
> >>> On Sat, 26 Feb 2022 at 05:49, Richard Damon
> >>> wrote:
> >>> On 2/25/22 4:12 AM, BELAHCENE Abdelkader wrote:
> Hi,
> a lot of peop
On Thu, 3 Feb 2022 at 23:16, Greg Ewing wrote:
>
> On 4/02/22 5:07 am, Albert-Jan Roskam wrote:
> > On Feb 3, 2022 17:01, Dan Stromberg wrote:
> >
> > What profiler do you recommend
>
> If it runs for that long, just measuring execution time should
> be enough. Python comes with a "timeit
On Fri, 17 Dec 2021 at 23:11, Chris Angelico wrote:
>
> On Sat, Dec 18, 2021 at 10:01 AM Oscar Benjamin
> wrote:
> >
> > On Fri, 17 Dec 2021 at 22:40, Chris Angelico wrote:
> > >
> > > On Sat, Dec 18, 2021 at 9:24 AM Oscar Benjamin
> > > wrote:
On Fri, 17 Dec 2021 at 22:40, Chris Angelico wrote:
>
> On Sat, Dec 18, 2021 at 9:24 AM Oscar Benjamin
> wrote:
> > When I timed the result in Julia and in Python I found that the Julia
> > code was slower than the Python code. Of course I don't know how to
> > op
On Fri, 17 Dec 2021 at 15:04, Albert-Jan Roskam wrote:
>
> Hi,
>
> I have a Python program that uses Tkinter for its GUI. It's rather slow so I
> hope to replace many or all of the non-GUI parts by Julia code. Has anybody
> experience with this? Any packages you can recommend? I found three
> a
On Mon, 11 Oct 2021 at 23:00, Christian Gollwitzer wrote:
>
> Am 10.10.21 um 10:49 schrieb Steve Keller:
> > I have found the sum() function to be much slower than to loop over the
> > operands myself:
> >
> > def sum_products(seq1, seq2):
> > return sum([a * b for a, b in zip(seq1, seq2)])
>
On Sat, 25 Sept 2021 at 02:11, Oscar Benjamin
wrote:
> On Sat, 25 Sept 2021 at 02:01, Chris Angelico wrote:
>
>> On Sat, Sep 25, 2021 at 10:56 AM Oscar Benjamin
>> wrote:
>> >
>> > On Sat, 25 Sept 2021 at 00:37, Greg Ewing
>> > wrote:
>> >
On Sat, 25 Sept 2021 at 02:16, Chris Angelico wrote:
> On Sat, Sep 25, 2021 at 11:11 AM Oscar Benjamin
> wrote:
> >
> > On Sat, 25 Sept 2021 at 02:01, Chris Angelico wrote:
> >>
> >> On Sat, Sep 25, 2021 at 10:56 AM Oscar Benjamin
> >> wrote:
>
On Sat, 25 Sept 2021 at 02:01, Chris Angelico wrote:
> On Sat, Sep 25, 2021 at 10:56 AM Oscar Benjamin
> wrote:
> >
> > On Sat, 25 Sept 2021 at 00:37, Greg Ewing
> > wrote:
> > > I suppose they could be fiddled somehow to make it possible, but
> > &g
On Sat, 25 Sept 2021 at 00:37, Greg Ewing
wrote:
> On 25/09/21 10:15 am, Steve Keller wrote:
> > BTW, I like how the min() and max() functions allow both ways of being
> > called.
>
> That wouldn't work for set.union and set.intersection, because as
> was pointed out, they're actually methods, so
On Fri, 3 Sept 2021 at 13:48, Chris Angelico wrote:
>
> On Fri, Sep 3, 2021 at 10:42 PM jak wrote:
> >
> > Il 03/09/2021 09:07, Julio Di Egidio ha scritto:
> > > On Friday, 3 September 2021 at 01:22:28 UTC+2, Chris Angelico wrote:
> > >> On Fri, Sep 3, 2021 at 8:15 AM Dennis Lee Bieber
> > >> w
On Fri, 18 Jun 2021 at 15:27, Michael Boom wrote:
> The below issue is pretty serious and it is preventing me from using a
> system I wrote on a larger scale. How do I get this bug fixed? Thanks.
> https://bugs.python.org/issue43329
On Fri, 18 Jun 2021 at 06:07, Alexander Neilson
wrote:
>
>
On Wed, 22 Jul 2020 at 02:12, Chris Angelico wrote:
>
> On Wed, Jul 22, 2020 at 11:04 AM Tim Chase
> wrote:
> >
> > I know for ints, cpython caches something like -127 to 255 where `is`
> > works by happenstance based on the implementation but not the spec
> > (so I don't use `is` for comparison
On Sat, 18 Jul 2020 at 05:39, dn via Python-list wrote:
>
> On 18/07/20 3:29 PM, boB Stepp wrote:
> > On Fri, Jul 17, 2020 at 9:48 PM dn via Python-list
> > wrote:
> >>
> >> On 18/07/20 1:53 PM, Castillo, Herbert S wrote:
> >>> I downloaded python not to long ago, and today when I opened Python o
On Sun, 17 May 2020 at 15:21, Mats Wichmann wrote:
>
> On 5/15/20 9:47 PM, Souvik Dutta wrote:
> > I dont know if you should shift from powershell to cmd. Python kinda does
> > not work in powershell.
>
> Powershell has a funky way of looking up programs, with the result that
> you have to type th
On Tue, 14 Apr 2020 at 12:42, Rahul Gupta wrote:
>
> Hello all, i have a csv of 1 gb which consists of 25000 columns and 2
> rows. I want to apply pca so i have seen sciki-learn had inbuilt
> fucntionality to use that. But i have seen to do eo you have to load data in
> data frame. But my m
On Thu, 19 Dec 2019 at 07:37, Eli the Bearded <*@eli.users.panix.com> wrote:
>
...
> But what caught my eye most, as someone relatively new to Python but
> with long experience in C in Perl, is sorting doesn't take a
> *comparison* function, it takes a *key generator* function, and that
> function
On Tue, 5 Nov 2019 at 21:52, Gregory Ewing wrote:
>
> Peter J. Holzer wrote:
> > On 2019-11-04 18:18:39 -0300, Luciano Ramalho wrote:
> >
> > Or maybe don't catch it here at all but just let it bubble up until it
> > hits a level where dealing with it makes sense from the user's point of
> > view
On Thu, 26 Sep 2019 at 13:39, Rhodri James wrote:
>
> On 26/09/2019 13:20, ast wrote:
> >
> > >>> class ClassB(object):
> > ... def __new__(cls, arg):
> > ... print('__new__ ' + arg)
> > ... return object
> > ... def __init__(self, arg):
> > ... print('__init__ ' +
On Thu, 26 Sep 2019 at 14:19, Peter Otten <__pete...@web.de> wrote:
>
> __init__ is called only if __new__ returns an instance of ClassB:
>
> """
> /* If the returned object is not an instance of type,
>it won't be initialized. */
> if (!PyType_IsSubtype(Py_TYPE(obj), type))
>
On Sat, 14 Sep 2019 at 07:22, ast wrote:
>
> Le 14/09/2019 à 04:26, Oscar Benjamin a écrit :
> >
> > What am I missing?
>
> here is a pseudo code for product:
>
> def product(*args, repeat=1):
> # product('ABCD', 'xy') --> Ax Ay Bx By
On Sat, 14 Sep 2019 at 03:26, Oscar Benjamin wrote:
>
> I've been staring at this for a little while:
>
> from itertools import product
>
> class Naturals:
> def __iter__(self):
> i = 1
> while True:
> yield i
> i
I've been staring at this for a little while:
from itertools import product
class Naturals:
def __iter__(self):
i = 1
while True:
yield i
i += 1
N = Naturals()
print(iter(N))
print(product(N)) # <--- hangs
When I run the above the call to product han
On Sun, 20 Jan 2019 at 21:12, dcs3spp via Python-list
wrote:
>
> Pip 18.1 supports reading pep508 direct urls from install_requires. In future
> release there are plans to deprecate the --process-dependency-links pip
> install option:
> - https://github.com/pypa/pip/issues/4187
> - https://githu
On Sun, 20 Jan 2019 at 16:22, dcs3spp via Python-list
wrote:
>
> On Saturday, 19 January 2019 11:17:19 UTC, dcs3spp wrote:
> >
> > My question is, can setuptools be configured to pull in child from a
> > separate git repository when running python setup.py develop from parent
> > folder? I have
On Fri, 21 Dec 2018 at 09:32, Umar Yusuf wrote:
>
> On Wednesday, 19 December 2018 19:22:51 UTC+1, Oscar Benjamin wrote:
> > On Wed, 19 Dec 2018 at 05:42, Umar Yusuf wrote:
> > >
> > > Hello there,
> > > How do I supper impose an image design on a transpar
On Wed, 19 Dec 2018 at 05:42, Umar Yusuf wrote:
>
> Hello there,
> How do I supper impose an image design on a transparent png image?
>
> I have tried to use OpenCV's "cv2.bitwise_and" function to no success. I
> posted the detail question here:
> https://stackoverflow.com/questions/53791510/pyt
On Sun, 16 Dec 2018 at 01:47, Marc Lucke wrote:
>
> hey guys,
>
> I have a hobby project that sorts my email automatically for me & I want
> to improve it. There's data science and statistical info that I'm
> missing, & I always enjoy reading about the pythonic way to do things too.
>
> I have a
On Sun, 9 Dec 2018 at 16:37, Brian Christiansen
wrote:
>
> I have been messing with a program that is inspried by a video on
> youtube that is about the vizualization of pi. I might make a post
> about that program someday, but I want to talk about something else.
> One of the ways of visualizing
On Wed, 5 Dec 2018 at 07:57, Peter Otten <__pete...@web.de> wrote:
>
> Oscar Benjamin wrote:
> >
> > I'm looking to import a module given a string representing the path to
> > the .py file defining the module.
>
> I am not aware of a clean way. I ha
Hi all,
I'm looking to import a module given a string representing the path to
the .py file defining the module. For example given this setup
mkdir -p a/b/c
touch a/__init__.py
touch a/b/__init__.py
touch a/b/c/__init__.py
touch a/b/c/stuff.py
I have a module a.b.c.stuff which is defined in the
On Sun, 23 Sep 2018 at 20:45, Gene Heskett wrote:
>
> save the image and locate the centroid of that saved image.
>
> Is there code to do that centroid math in somebodies "bottom desk
> drawer"? Something I could download and control with a bash script which
> I'm fair at?
This is easy enough to
On Fri, 7 Sep 2018 at 16:25, Schachner, Joseph
wrote:
>...
> Now, on to the second part: the problem you showed - that you can only loop
> through aList:print(i,j) once - is BECAUSE you hung onto it from one loop to
> another. Once the iterator is exhausted, it's exhausted.
>
> Think of another
On Thu, 6 Sep 2018 at 10:59, Jach Fong wrote:
>
> Here the script file, test0.py:
> --
> password = 'bad'
> if password == 'bad':
> print('bad password')
> exit()
> else:
> print('good password')
>
> print('something else to do')
>
>
On Tue, 28 Aug 2018 at 15:50, Frank Millman wrote:
>
> "Frank Millman" wrote in message news:pm3l2m$kv4$1...@blaine.gmane.org...
> >
> > I know about this gotcha -
> >
> > >>> x = 1.1 + 2.2
> > >>> x
> > 3.3003
> >
> [...]
> >
> > >>> y = 3.3
> > >>> y
> > 3.3
> >
> [...]
> >
> > >>>
On Sun, 26 Aug 2018 at 20:52, Musatov wrote:
>
> Thank you, Richard. If anyone is interested further, even in writing a Python
> code to generate the sequence or further preparing of an animation I would be
> delighted.
It would not take long to write code to plot your sequence if you
first cov
On Sun, 26 Aug 2018 at 20:32, Musatov wrote:
>
> On Sunday, August 26, 2018 at 2:14:29 PM UTC-5, Oscar Benjamin wrote:
> > > > > > > >> On Fri, 24 Aug 2018 14:40:00 -0700, tomusatov wrote:
> > > > > > > >>
> > > &g
On Sat, 25 Aug 2018 at 20:27, Musatov wrote:
>
> On Saturday, August 25, 2018 at 2:18:09 PM UTC-5, Musatov wrote:
> > On Saturday, August 25, 2018 at 1:52:17 PM UTC-5, Oscar Benjamin wrote:
> > > > > >
> > > > > >> On Fri, 24 Aug 2018 14:40:00 -
On Sat, 25 Aug 2018 at 18:12, wrote:
>
> On Saturday, August 25, 2018 at 9:46:21 AM UTC-5, Richard Damon wrote:
> > On 8/25/18 10:27 AM, Dennis Lee Bieber wrote:
> > > On Sat, 25 Aug 2018 03:56:28 + (UTC), Steven D'Aprano
> > > declaimed the following:
> > >
> > >> On Fri, 24 Aug 2018 14:40:0
On Thu, 23 Aug 2018 at 15:32, Sibylle Koczian wrote:
>
> Am 21.08.2018 um 23:36 schrieb Poul Riis:
> > I would like to list all possible ways to put N students in groups of k
> > students (suppose that k divides N) with the restriction that no two
> > students should ever meet each other in more
On 2 August 2018 at 20:54, wrote:
>
>> As others have mentioned, separate threads for the individual pipes
>> may help, or if you need to go that far there are specialised
>> libraries, I believe (pexpect is one, but from what I know it's fairly
>> Unix-specific, so I'm not very familiar with it)
On 21 September 2016 at 21:28, Malcolm Greene wrote:
> Looking for ideas on how I can obtain the raw line of text read by a
> CSVDictReader. I've reviewed the CSV DictReader documentation and there
> are no public attributes that expose this type of data.
>
> My use case is reporting malformed lin
On 4 Sep 2016 13:27, "Steve D'Aprano" wrote:
>
> Why doesn't __del__ run here?
>
>
> class Eggs(object):
> def __new__(cls):
> instance = object.__new__(cls)
> print("instance created successfully")
> return instance
> def __init__(self):
> print("self defin
On 22 June 2016 at 08:14, Antoon Pardon wrote:
> Op 22-06-16 om 04:48 schreef Steven D'Aprano:
>> I'm doing some arithmetic on complex numbers involving INFs, and getting
>> unexpected NANs.
>>
>> py> INF = float('inf')
>> py> z = INF + 3j
>> py> z
>> (inf+3j)
>> py> -z
>> (-inf-3j)
>>
>> So far,
On 2 June 2016 at 12:22, Muhammad Ali wrote:
> I use windows regularly, however, I use linux for only my research work at
> supercomputer. In my research field (materials science) most of the scripts
> are being written in python with linux based system. Could I installed such
> linux based pyt
On 18 May 2016 at 17:11, Steven D'Aprano wrote:
> The documentation for setrecursion limit warns against setting the limit too
> high:
>
> [quote]
> The highest possible limit is platform-dependent. A user may need to
> set the limit higher when they have a program that requires deep
>
On 25 April 2016 at 15:35, Derek Klinge wrote:
>
> Although I see the value of relative error, I am just as interested in
> absolute error (though admittedly they are directly related values).
I was referring to relative error because the relative error is the
same at each step making the calcula
On 25 April 2016 at 08:39, Gregory Ewing wrote:
> Derek Klinge wrote:
>>
>> Also, it seems to me if the goal is to use the smallest value of n to get
>> a
>> particular level of accuracy, changing your guess of N by doubling seems
>> to
>> have a high chance of overshoot.
>
>
> If you want to find
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 21 April 2016 at 15:12, Chris Angelico wrote:
> On Fri, Apr 22, 2016 at 12:01 AM, Oscar Benjamin
> wrote:
>> In the recursive stack overflow case what you'll usually have is
>>
>> 1) A few frames leading up to the start of recursion
>> 2) A long repeti
On 21 April 2016 at 13:15, Steven D'Aprano wrote:
> On Thu, 21 Apr 2016 06:53 pm, Oscar Benjamin wrote:
>
>> On 21 April 2016 at 04:07, Steven D'Aprano wrote:
>>> I want to group repeated items in a sequence. For example, I can group
>>> repeated se
On 21 April 2016 at 04:07, Steven D'Aprano wrote:
> I want to group repeated items in a sequence. For example, I can group
> repeated sequences of a single item at a time using groupby:
>
>
> from itertools import groupby
> for key, group in groupby("BBCDDEEE"):
> group = list(group)
>
On 20 April 2016 at 12:30, wrote:
> On Wednesday, April 20, 2016 at 2:09:10 PM UTC+3, liran@gmail.com wrote:
>> On Tuesday, April 19, 2016 at 9:21:42 PM UTC+3, eryk sun wrote:
>> > On Tue, Apr 19, 2016 at 12:05 PM, Oscar Benjamin
>> > wrote:
>>
On 20 April 2016 at 02:38, Steven D'Aprano wrote:
>
> "Oh no! We're having trouble displaying this Scratch project.
>
> If you are on a mobile phone or tablet, try visiting this project on a
> computer.
>
> If you're on a computer, your Flash player might be disabled, missing, or
> out of date."
>
On 20 April 2016 at 07:08, Terry Reedy wrote:
> On 4/19/2016 11:41 PM, Chris Angelico wrote:
>>
>> On Wed, Apr 20, 2016 at 1:23 PM, Terry Reedy wrote:
It kinda looks like Hypertalk syntax, which some of you may remember I'm
exceedingly fond of. There's no reason why a GUI editor co
On 19 Apr 2016 17:01, wrote:
>
> Hello,
> i'm trying to use:
> "py -m pip install scipy"
> and after couple of lines a get an error saying:
I thought that binary wheels for scipy would be available on pypi for each
OS now. Try updating pip and then using it to install scipy.
I'm not on Windows t
On 16 April 2016 at 22:53, wrote:
> I failed to install the package of scipy on Python2.7(win64).
>
> 1. I tried the direct way that use cmd--pip install scripy. The result shows
> that it failed with error code 1 in
> c:\tyk\appdata\local\temp\pip-build-an9fye\scipy\.
>
> 2. I tried to install
On 18 April 2016 at 08:38, Xristos Xristoou wrote:
> Τη Δευτέρα, 18 Απριλίου 2016 - 6:53:30 π.μ. UTC+3, ο χρήστης Xristos Xristoou
> έγραψε:
>> guys i have big proplem i want to install scipy
>> but all time show me error
>> i have python 2.7 and windows 10
>> i try to use pip install scipy and i
On 15 April 2016 at 17:29, wrote:
>> On Apr 15, 2016 10:40 AM, wrote:
>> >
>> > I have downloaded the numpy-1.11.01 and scipy-0.17.0 but after running
>> setup files over IDLE in numpy and scipy, it still can not get through. Can
>> someone give me a hand? or you can provide the installation ins
On 15 April 2016 at 11:10, Ben Bacarisse wrote:
> Oscar Benjamin writes:
>
>> On 15 April 2016 at 10:24, Robin Becker wrote:
>
>>> yes indeed summation is hard :(
>>
>> Not with Fraction it isn't:
>>
>> from fractions import Fraction
>
On 15 April 2016 at 11:25, wrote:
> The input was a 4MB file. Even after returning from the 'fileopen' function
> the 4MB memory was not released. I checked htop output while the loop was
> running, the resident memory stays at 14MB. So unless the process is stopped
> the memory stays with it.
On 15 April 2016 at 10:24, Robin Becker wrote:
> On 13/04/2016 18:05, Random832 wrote:
> .
>>
>>
>> No, it doesn't. Sum works on any type that can be added (except
>> strings), it can't make any assumptions about the characteristics of
>> floating point types. For non-numeric types, the ad
On 7 April 2016 at 15:31, Heli wrote:
>
> Thanks a lot Oscar,
>
> The lexsort you suggested was the way to go.
Glad to hear it.
> import h5py
> import numpy as np
> f=np.loadtxt(inputFile,delimiter=None)
> xcoord=np.sort(np.unique(f[:,0]))
> ycoord=np.sort(np.unique(f[:,1]))
> zcoord=np.sort(np.
On 6 April 2016 at 05:08, Rustom Mody wrote:
> On Wednesday, April 6, 2016 at 4:34:11 AM UTC+5:30, Steven D'Aprano wrote:
>> On Wed, 6 Apr 2016 02:52 am, Rustom Mody wrote:
>>
>> > On Tuesday, April 5, 2016 at 9:49:58 PM UTC+5:30, Oscar Benjamin wrote:
>> >
On 6 April 2016 at 17:26, Heli wrote:
>
> Thanks for your replies. I have a question in regard with my previous
> question. I have a file that contains x,y,z and a value for that coordinate
> on each line. Here I am giving an example of the file using a numpy array
> called f.
>
> f=np.array([[
On 5 April 2016 at 16:56, Igor Korot wrote:
>
> So, here is my request: if its not possible to include the DLL in
> question in the installer,
> can the installer check for the OS version and ask the user to go to
> Microsoft.com,
> download and install the library?
That's a very reasonable reque
On 5 April 2016 at 16:44, Muhammad Ali wrote:
> On Tuesday, April 5, 2016 at 8:30:27 AM UTC-7, Joel Goldstick wrote:
>> On Tue, Apr 5, 2016 at 11:23 AM, Muhammad Ali
>> wrote:
>> >
>> > Could any body tell me a general python script to generate .dat file after
>> > the extraction of data from mo
On 5 Apr 2016 03:50, wrote:
>
> Your request to the Python-list mailing list
>
> Posting of your message titled "Re: Plot/Graph"
>
> has been rejected by the list moderator. The moderator gave the
> following reason for rejecting your request:
>
> "Your message was too big; please trim unnece
On 4 April 2016 at 16:09, Random832 wrote:
> On Mon, Apr 4, 2016, at 03:12, Nagy László Zsolt wrote:
>>
>> Hi All,
>>
>> If anyone is interested, a module was born:
>>
>> https://bitbucket.org/nagylzs/intervalset
>> https://pypi.python.org/pypi/intervalset/0.1.1
>
> I don't know if I like it bei
On 3 Apr 2016 22:21, "Muhammad Ali" wrote:
>
> How do I convert/change/modify python script so that my data could be
extracted according to python script and at the end it generates another
single extracted data file instead of displaying/showing some graph? So
that, I can manually plot the newly
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