On Sun, Sep 5, 2021 at 1:26 PM DFS wrote:
>
> On 9/3/2021 9:50 AM, Chris Angelico wrote:
> > On Fri, Sep 3, 2021 at 11:37 PM DFS wrote:
> >>
> >> On 9/3/2021 1:47 AM, Chris Angelico wrote:
> >>> On Fri, Sep 3, 2021 at 3:42 PM DFS wrote:
>
> Having a problem with the DB2 connector
> >>>
On Sun, Sep 5, 2021 at 12:58 PM Greg Ewing wrote:
>
> On 5/09/21 2:42 am, Hope Rouselle wrote:
> > Here's what I did on this case. The REPL is telling me that
> >
> >7.23 = 2035064081618043/281474976710656
>
> If 7.23 were exactly representable, you would have got
> 723/1000.
>
> Contrast thi
On Sun, Sep 5, 2021 at 12:55 PM Hope Rouselle wrote:
>
> Julio Di Egidio writes:
>
> > On Thursday, 2 September 2021 at 16:51:24 UTC+2, Christian Gollwitzer wrote:
> >> Am 02.09.21 um 16:49 schrieb Julio Di Egidio:
> >> > On Thursday, 2 September 2021 at 16:41:38 UTC+2, Peter Pearson wrote:
> >>
On Sun, Sep 5, 2021 at 12:44 PM Hope Rouselle wrote:
>
> Chris Angelico writes:
>
> > On Fri, Sep 3, 2021 at 4:29 AM Hope Rouselle wrote:
> >>
> >> Just sharing a case of floating-point numbers. Nothing needed to be
> >> solved or to be figured out. Just bringing up conversation.
> >>
> >> (*)
On Sun, Sep 5, 2021 at 12:39 PM Alan Gauld via Python-list
wrote:
>
> On 03/09/2021 18:37, Chris Angelico wrote:
>
> Without DST the schools opened in the dark so all the kids
> had to travel to school in the dark and the number of
> traffic accidents while crossing roads jumped.
>
On Sun, Sep 5, 2021 at 1:04 PM Hope Rouselle wrote:
> The same question in other words --- what's a trivial way for the REPL
> to show me such cycles occur?
>
> >> 7.23.as_integer_ratio()
> >>> (2035064081618043, 281474976710656)
>
> Here's what I did on this case. The REPL is telling me that
On 2021-09-04, Peter J. Holzer wrote:
> On 2021-09-04 14:29:47 -0500, Igor Korot wrote:
>> Will this syntax work in python 2?
>
> Yes. It's just a redundant pair of parentheses.
Not really. With the parens, it doesn't produce the same results in
2.x unless you import the print function from the f
DFS wrote:
> Typical cases:
> lines = [('one\ntwo\nthree\n')]
> print(str(lines[0]).splitlines())
> ['one', 'two', 'three']
>
> lines = [('one two three\n')]
> print(str(lines[0]).split())
> ['one', 'two', 'three']
>
>
> That's the result I'm wanting, but I get data in a slightly differen
On Sun, Sep 5, 2021 at 12:50 PM Hope Rouselle wrote:
>
> Christian Gollwitzer writes:
>
> > Am 02.09.21 um 15:51 schrieb Hope Rouselle:
> >> Just sharing a case of floating-point numbers. Nothing needed to be
> >> solved or to be figured out. Just bringing up conversation.
> >> (*) An introduct
On 9/4/2021 2:27 PM, Igor Korot wrote:
Hi, ALL,
[code]
igor@WaylandGnome ~/bakefile $ python
Python 3.9.6 (default, Aug 8 2021, 17:26:32)
[GCC 10.3.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
from distutils import sysconfig
In 3.10, distutils and d.sysc
On Sun, Sep 5, 2021 at 12:48 PM Hope Rouselle wrote:
>
> Chris Angelico writes:
>
> > On Fri, Sep 3, 2021 at 4:58 AM Hope Rouselle wrote:
> >>
> >> Hope Rouselle writes:
> >>
> >> > Just sharing a case of floating-point numbers. Nothing needed to be
> >> > solved or to be figured out. Just br
On 9/3/2021 9:50 AM, Chris Angelico wrote:
On Fri, Sep 3, 2021 at 11:37 PM DFS wrote:
On 9/3/2021 1:47 AM, Chris Angelico wrote:
On Fri, Sep 3, 2021 at 3:42 PM DFS wrote:
Having a problem with the DB2 connector
test.py
impor
Am 04.09.21 um 14:48 schrieb Hope Rouselle:
Christian Gollwitzer writes:
Am 02.09.21 um 15:51 schrieb Hope Rouselle:
Just sharing a case of floating-point numbers. Nothing needed to be
solved or to be figured out. Just bringing up conversation.
(*) An introduction to me
I don't understand f
On Friday, September 3, 2021 at 11:57:12 AM UTC-5, Martin Di Paola wrote:
> You may want to reshape the dataset to a tidy format: Pandas works
> better with that format.
>
> Let's assume the following dataset (this is what I understood from your
> message):
>
> In [34]: df = pd.DataFrame({
>
"Michael F. Stemper" writes:
> On 04/09/2021 08.53, Hope Rouselle wrote:
>> Chris Angelico writes:
>
>>> And at this point, it's looking pretty much identical to the for loop
>>> version. Ultimately, they're all the same and you can pick and choose
>>> elements from each of them.
>> I see. That
On Sat, 4 Sep 2021 22:41:12 +0200, "Peter J. Holzer"
declaimed the following:
>Python 3 to be time well spent in 2021, especially not to someone who
>apparently just wants to report a bug to some unnamed project (whose
>maintainers may or may not care about Python2 compatibility).
>
Give
Igor Korot writes:
> Hi,
> Will this syntax work in python 2?
If you say
print(something)
it works in both. So, stick to this syntax.
--
https://mail.python.org/mailman/listinfo/python-list
On 9/4/2021 5:55 PM, DFS wrote:
Typical cases:
lines = [('one\ntwo\nthree\n')]
print(str(lines[0]).splitlines())
['one', 'two', 'three']
lines = [('one two three\n')]
print(str(lines[0]).split())
['one', 'two', 'three']
That's the result I'm wanting, but I get data in a slightly di
Christian Gollwitzer writes:
> Am 04.09.21 um 14:48 schrieb Hope Rouselle:
>> Christian Gollwitzer writes:
>>
>>> Am 02.09.21 um 15:51 schrieb Hope Rouselle:
Just sharing a case of floating-point numbers. Nothing needed to be
solved or to be figured out. Just bringing up conversatio
Typical cases:
lines = [('one\ntwo\nthree\n')]
print(str(lines[0]).splitlines())
['one', 'two', 'three']
lines = [('one two three\n')]
print(str(lines[0]).split())
['one', 'two', 'three']
That's the result I'm wanting, but I get data in a slightly different
format:
lines = [('one\ntwo\
Julio Di Egidio writes:
[...]
>> I, too, lost my patience there. :-)
>
> As if I didn't know who's trolling...
I never trolled you. When we had our conversations in sci.logic, I was
Boris Dorestand --- you would remember if you have very good memory. We
talked for just a few days, I guess. T
Hope Rouselle writes:
> Greg Ewing writes:
>
>> On 5/09/21 2:42 am, Hope Rouselle wrote:
>>> Here's what I did on this case. The REPL is telling me that
>>>7.23 = 2035064081618043/281474976710656
>>
>> If 7.23 were exactly representable, you would have got
>> 723/1000.
>>
>> Contrast this w
Richard Damon writes:
> On 9/4/21 9:40 AM, Hope Rouselle wrote:
>> Chris Angelico writes:
>>
>>> On Fri, Sep 3, 2021 at 4:58 AM Hope Rouselle wrote:
Hope Rouselle writes:
> Just sharing a case of floating-point numbers. Nothing needed to be
> solved or to be figured ou
Greg Ewing writes:
> On 5/09/21 2:42 am, Hope Rouselle wrote:
>> Here's what I did on this case. The REPL is telling me that
>>7.23 = 2035064081618043/281474976710656
>
> If 7.23 were exactly representable, you would have got
> 723/1000.
>
> Contrast this with something that *is* exactly rep
Julio Di Egidio writes:
> On Thursday, 2 September 2021 at 15:52:02 UTC+2, Hope Rouselle wrote:
>
>> I don't understand floating-point numbers from the inside out, but I do
>> know how to work with base 2 and scientific notation. So the idea of
>> expressing a number as
>>
>> mantissa * base^
On 5/09/21 2:42 am, Hope Rouselle wrote:
Here's what I did on this case. The REPL is telling me that
7.23 = 2035064081618043/281474976710656
If 7.23 were exactly representable, you would have got
723/1000.
Contrast this with something that *is* exactly representable:
>>> 7.875.as_integer
"Peter J. Holzer" writes:
> On 2021-09-02 11:28:21 -0300, Hope Rouselle wrote:
>> dn writes:
>> > On 29/08/2021 08.46, Hope Rouselle wrote:
>> >> Here's my solution:
>> >>
>> >> --8<---cut here---start->8---
>> >> def how_many_times():
>> >> x, y = 0, 1
>>
Julio Di Egidio writes:
> On Thursday, 2 September 2021 at 16:51:24 UTC+2, Christian Gollwitzer wrote:
>> Am 02.09.21 um 16:49 schrieb Julio Di Egidio:
>> > On Thursday, 2 September 2021 at 16:41:38 UTC+2, Peter Pearson wrote:
>> >> On Thu, 02 Sep 2021 10:51:03 -0300, Hope Rouselle wrote:
>> >
Chris Angelico writes:
> On Fri, Sep 3, 2021 at 4:33 AM Hope Rouselle wrote:
>> Yeah. Here's a little context. I came across this by processing a list
>> of exercises. (I'm teaching a course --- you know that by now, I
>> guess.) So the first thing I observed was the equal volume of work
>>
On 9/4/21 9:40 AM, Hope Rouselle wrote:
> Chris Angelico writes:
>
>> On Fri, Sep 3, 2021 at 4:58 AM Hope Rouselle wrote:
>>>
>>> Hope Rouselle writes:
>>>
Just sharing a case of floating-point numbers. Nothing needed to be
solved or to be figured out. Just bringing up conversation.
Christian Gollwitzer writes:
> Am 02.09.21 um 15:51 schrieb Hope Rouselle:
>> Just sharing a case of floating-point numbers. Nothing needed to be
>> solved or to be figured out. Just bringing up conversation.
>> (*) An introduction to me
>> I don't understand floating-point numbers from the ins
Chris Angelico writes:
> On Fri, Sep 3, 2021 at 4:58 AM Hope Rouselle wrote:
>>
>> Hope Rouselle writes:
>>
>> > Just sharing a case of floating-point numbers. Nothing needed to be
>> > solved or to be figured out. Just bringing up conversation.
>> >
>> > (*) An introduction to me
>> >
>> > I
"Peter J. Holzer" writes:
> On 2021-08-29 10:04:47 +0100, Barry wrote:
>> > I'd like get a statistic of how often each loop is used in practice.
>> >
>> > I was trying to take a look at the Python's standard libraries --- those
>> > included in a standard installation of Python 3.9.6, say ---
Chris Angelico writes:
> On Fri, Sep 3, 2021 at 4:29 AM Hope Rouselle wrote:
>>
>> Just sharing a case of floating-point numbers. Nothing needed to be
>> solved or to be figured out. Just bringing up conversation.
>>
>> (*) An introduction to me
>>
>> I don't understand floating-point numbers
On 3/09/21 8:11 pm, Christian Gollwitzer wrote:
Unless you have special numbers like NaN or signed zeros etc., a+b=b+a
and a*b=b*a holds also for floats.
The only exception I'm aware of is for NaNs, and it's kind of pendantic:
you can't say that x + NaN == NaN + x, but only because NaNs never
c
Dennis Lee Bieber writes:
> On Sun, 22 Aug 2021 16:28:12 -0300, Hope Rouselle
> declaimed the following:
>
>
>>That's wild. :-) Was this created by Brian Kernighan? It's hard to
>>believe. Oh, I think he wrote AMPL, wasn't it? A Mathematical
>>Programming Language, or something like that.
>
>
On 03/09/2021 18:37, Chris Angelico wrote:
Without DST the schools opened in the dark so all the kids
had to travel to school in the dark and the number of
traffic accidents while crossing roads jumped.
>
> Are you saying that you had DST in winter, or that, when summer *and*
> DST
Hi,
Is there a quick way to get the number of bits required to store the value in a
Decimal class?
What obvious thing am I missing? I'm working with really large integers, say,
in the order of 5_000_000 of ASCII base 10 digits.
It seems the function mpd_sizeinbase would be a nice thing to be ab
Il 03/09/2021 14:45, Chris Angelico ha scritto:
I believe the definition of "accurate" here is that, if you take all
of the real numbers represented by those floats, add them all together
with mathematical accuracy, and then take the nearest representable
float, that will be the exact value that
In https://bugs.python.org/issue45093, Michael Rans suggested adding a
dict method that would include the insertion order in comparing dicts
for equality. He wanted this for testing. The proposal is rejected
because there are already multiple good methods. To make them more
visible and search
On 04/09/2021 08.53, Hope Rouselle wrote:
Chris Angelico writes:
And at this point, it's looking pretty much identical to the for loop
version. Ultimately, they're all the same and you can pick and choose
elements from each of them.
I see. That's why C must have added the do-while, but yea
Python 3.7.12 and 3.6.15, the lastest security fix rollups for Python 3.7 and
Python 3.6, are now available. You can find the release files, links to the
changelogs, and more information here:
https://www.python.org/downloads/release/python-3712/
https://www.python.org/downloads/release/py
On 2021-09-04 21:48:14 +0200, Peter J. Holzer wrote:
> On 2021-09-02 08:32:36 +0100, Alan Gauld via Python-list wrote:
> > On 31/08/2021 22:32, Chris Angelico wrote:
> > > If we could abolish DST world-wide, life would be far easier. All the
> > > rest of it would be easy enough to handle.
> > We t
On 2021-09-04 21:07:11 +0100, Rob Cliffe via Python-list wrote:
> Well, up to a point.
> In Python 2 the output from
> print 1, 2
> is '1 2'
> In Python 3 if you add brackets:
> print(1, 2)
> the output is the same.
> But if you transplant that syntax back into Python 2, the output from
>
On 2021-09-02 09:06:53 +0200, Loris Bennett wrote:
> Thanks Peter and Dieter for all the help. I have finally figured out
> what my problem was. If in a module 'mylibs.mylib' I have
>
> import logging
>
> logger = logging.getLogger(__name__)
>
> and in my main script have
>
> import log
Well, up to a point.
In Python 2 the output from
print 1, 2
is '1 2'
In Python 3 if you add brackets:
print(1, 2)
the output is the same.
But if you transplant that syntax back into Python 2, the output from
print(1, 2)
is '(1, 2)'. The brackets have turned two separate items into a s
On 2021-09-04 14:29:47 -0500, Igor Korot wrote:
> Will this syntax work in python 2?
Yes. It's just a redundant pair of parentheses.
hp
--
_ | Peter J. Holzer| Story must make more sense than reality.
|_|_) ||
| | | h...@hjp.at |-- Charles Stros
On 2021-09-02 08:32:36 +0100, Alan Gauld via Python-list wrote:
> On 31/08/2021 22:32, Chris Angelico wrote:
> > If we could abolish DST world-wide, life would be far easier. All the
> > rest of it would be easy enough to handle.
> We tried that in the UK for 2 years back in the '70s and very
> qui
Hi,
Will this syntax work in python 2?
Thank you.
On Sat, Sep 4, 2021 at 1:52 PM dn via Python-list
wrote:
>
> On 05/09/2021 06.27, Igor Korot wrote:
> > Hi, ALL,
> >
> > [code]
> > igor@WaylandGnome ~/bakefile $ python
> > Python 3.9.6 (default, Aug 8 2021, 17:26:32)
> > [GCC 10.3.0] on linux
Thx guys.
I submitted a bug report for the project that uses it.
On Sat, Sep 4, 2021 at 1:42 PM Joel Goldstick wrote:
>
> On Sat, Sep 4, 2021 at 2:29 PM Igor Korot wrote:
> >
> > Hi, ALL,
> >
> > [code]
> > igor@WaylandGnome ~/bakefile $ python
> > Python 3.9.6 (default, Aug 8 2021, 17:26:32)
>
On 05/09/2021 06.27, Igor Korot wrote:
> Hi, ALL,
>
> [code]
> igor@WaylandGnome ~/bakefile $ python
> Python 3.9.6 (default, Aug 8 2021, 17:26:32)
> [GCC 10.3.0] on linux
> Type "help", "copyright", "credits" or "license" for more information.
from distutils import sysconfig
print sysc
On 9/4/21 12:27 PM, Igor Korot wrote:
Hi, ALL,
[code]
igor@WaylandGnome ~/bakefile $ python
Python 3.9.6 (default, Aug 8 2021, 17:26:32)
[GCC 10.3.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
from distutils import sysconfig
print sysconfig.get_python_inc()
On Sat, Sep 4, 2021 at 2:29 PM Igor Korot wrote:
>
> Hi, ALL,
>
> [code]
> igor@WaylandGnome ~/bakefile $ python
> Python 3.9.6 (default, Aug 8 2021, 17:26:32)
> [GCC 10.3.0] on linux
> Type "help", "copyright", "credits" or "license" for more information.
> >>> from distutils import sysconfig
>
Hi, ALL,
[code]
igor@WaylandGnome ~/bakefile $ python
Python 3.9.6 (default, Aug 8 2021, 17:26:32)
[GCC 10.3.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> from distutils import sysconfig
>>> print sysconfig.get_python_inc()
File "", line 1
print sysc
You need an IDE
Check out:
PyCharm
Wing IDE
Spyder ^^
Very few people use the in-built IDE
--
https://mail.python.org/mailman/listinfo/python-list
On 2021-09-02 09:56:38 -0500, Michael F. Stemper wrote:
> On 31/08/2021 18.02, Barry wrote:
> > The big problem with >>> is that it means a third level quote in
> > email clients. So when people cut-n-paste REPL output it’s formatted
> > badly by
some
> > email clients. A prompt that avoided that i
On 2021-08-29 10:04:47 +0100, Barry wrote:
> > I'd like get a statistic of how often each loop is used in practice.
> >
> > I was trying to take a look at the Python's standard libraries --- those
> > included in a standard installation of Python 3.9.6, say --- to see
> > which loops are more of
On 2021-09-02 11:28:21 -0300, Hope Rouselle wrote:
> dn writes:
> > On 29/08/2021 08.46, Hope Rouselle wrote:
> >> Here's my solution:
> >>
> >> --8<---cut here---start->8---
> >> def how_many_times():
> >> x, y = 0, 1
> >> c = 0
> >> while x != y:
> >>
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