On 2018-10-12 22:28:44 -0400, Dennis Lee Bieber wrote:
> On Fri, 12 Oct 2018 21:00:45 +0200, "Peter J. Holzer"
> declaimed the following:
> >I don't know if there was a C implementation for CP-V, but there is
> >certainly nothing in the C standard which would prevent a standard
> >conforming imple
Marko Rauhamaa writes:
> dieter :
> ...
>> I work in the domain of web applications. And I made there a nasty
>> experience with garbage collection: occasionally, the web application
>> stopped to respond for about a minute. A (quite difficult) analysis
>> revealed that some (stupid) component cre
Paul Rubin wrote:
I even wonder what happens if you turn Py_INCREF etc. into no-ops,
install the Boehm garbage collector in a stop-the-world mode, and
disable the GIL.
I suspect you would run into problems with things that need
mutual exclusion but don't do any locking of their own, because
the
"Frank Millman" writes:
> I have often read that the quickest way to concatenate a number of strings
> is to place them in a list and 'join' them -
>
> C:\Users\User>python -m timeit -s "x='a'*500; y='b'*500; z='c'*500"
> ''.join([x, y, z])
...
>
> I seem to have found a quicker method,
On 2018-10-12, Peter J. Holzer wrote:
> Neil Cerutti said:
>> I imagine that if I stuck with Go long enough I'd develop a
>> new coding style that didn't inolve creating useful data
>> types.
>
> I haven't used Go for any real project yet (that may change
> next year - we'll see whether I love it
On Sat, Oct 13, 2018 at 7:25 AM Vito De Tullio wrote:
>
> Chris Angelico wrote:
>
> >> Reference counting was likely a bad idea to begin with.
> >
> > Then prove CPython wrong by making a fantastically better
> > implementation that uses some other form of garbage collection.
>
> I'm not talking a
Chris Angelico wrote:
>> Reference counting was likely a bad idea to begin with.
>
> Then prove CPython wrong by making a fantastically better
> implementation that uses some other form of garbage collection.
I'm not talking about the "goodness" of the implemetations, but AFAIK jython
and ironp
On 10/12/2018 11:43 AM, Skip Montanaro wrote:
> I sort of skimmed ESR's post, and sort of skimmed this thread, so
> obviously I'm totally qualified to offer my observations on the post
> and follow ups. :-)
Skip -
In the 15-ish years I've been reading this group, this has NEVER been
an obstacle f
On 10/11/2018 12:15 AM, Gregory Ewing wrote:
> Paul Rubin wrote [concerning GIL removal]:
>> It's weird that Python's designers were willing to mess up the user
>> language in the 2-to-3 transition but felt that the C API had to be kept
>> sarcosanct. Huge opportunities were blown at multiple leve
On 2018-10-11 09:01:55 -0400, Dennis Lee Bieber wrote:
> On Thu, 11 Oct 2018 15:14:49 +0530, Iranna Mathapati
> declaimed the following:
> >How to replace particular line text with new text on a file
> >i have below code but its writing whole code.
> >
> For C-style streams (which seem to h
On 2018-10-11 13:57:57 +0200, Thomas Jollans wrote:
> There's no easy way to write to the middle of a file (though I think it
> can be done by mmap'ing a file)
#!/usr/bin/python3
import os
with open("foo.bin", "wb") as f:
f.write(b'abcdefghijklmnopqrstuvwxyz')
with open("foo.bin", "rb") as f
On 10/12/2018 1:06 PM, Chris Angelico wrote:
There are many many different ways to write code, and you can approach
your coding challenges from all sorts of directions. My recommendation
is: Pseudo-code first, then implement in actual Python.
https://en.wikipedia.org/wiki/Pseudocode
Note how,
On 2018-10-11 17:56:43 +, Neil Cerutti wrote:
> On 2018-10-10, Paul Rubin wrote:
> > Neil Cerutti writes:
> >>
> >>> the GIL (15/16th of his CPUs are unused..)
> >> Channels are a big selling point of Go, no argument there.
> >
> > The unused CPUs are not about channels (Python has Queue whic
Thanks for the clarification.
If I am creating a class variable, are you suggesting I perform the “if it
exists, great, otherwise make it” logic in the __init__ block or in the class
definition block? Will that even run in a class definition? I never see
examples do anything besides assignment
On 2018-10-12, Kaan Taze wrote:
> How do I get used to this? Is this just another "practice,
> practice, practice" situation? Anything you can recommend?
You will become comfortable with Python with time and practice.
Be patient with yourself. I don't care for my early Python code,
but it still w
On 2018-10-12 11:44, Rhodri James wrote:
On 12/10/18 17:12, Rob Gaddi wrote:
On 10/11/2018 11:29 PM, Kaan Taze wrote:
Hi everyone,
Since this is my first post to mail-list I'm kind of hesitant to ask
this
question here but as many of you spend years working with Python
maybe some
of you c
On Sat, Oct 13, 2018 at 3:07 AM Kaan Taze wrote:
>
> Hi everyone,
>
> Since this is my first post to mail-list I'm kind of hesitant to ask this
> question here but as many of you spend years working with Python maybe some
> of you can guide me.
Hey there, welcome! :)
> I do what I need to do wit
On 12/10/18 17:12, Rob Gaddi wrote:
On 10/11/2018 11:29 PM, Kaan Taze wrote:
Hi everyone,
Since this is my first post to mail-list I'm kind of hesitant to ask this
question here but as many of you spend years working with Python maybe
some
of you can guide me.
What I trouble with is not a lo
I sort of skimmed ESR's post, and sort of skimmed this thread, so
obviously I'm totally qualified to offer my observations on the post
and follow ups. :-)
Eric makes a mistake, in my opinion, confusing his particular
application with the mainstream, when in fact it seems pretty
specialized to me.
On 10/11/2018 11:29 PM, Kaan Taze wrote:
Hi everyone,
Since this is my first post to mail-list I'm kind of hesitant to ask this
question here but as many of you spend years working with Python maybe some
of you can guide me.
What I trouble with is not a logical error that exist on a program I w
Hi everyone,
Since this is my first post to mail-list I'm kind of hesitant to ask this
question here but as many of you spend years working with Python maybe some
of you can guide me.
What I trouble with is not a logical error that exist on a program I wrote.
It's the Python itself. Well, I'm 22
On Fri, Oct 12, 2018 at 9:16 PM wrote:
>
> Chris Angelico於 2018年10月12日星期五 UTC+8下午4時39分37秒寫道：
> > On Fri, Oct 12, 2018 at 6:26 PM wrote:
> > >
> > > I saw a directory where all its filenames are something like this:
> > > ...
> > > 1a PSG (Entry and PopUp).py
> > > 1b PSG (Format).py
> > > 1c PSG
"Dennis Lee Bieber" wrote in message
news:cnk0sdl5a7p17framc5er811p1230mp...@4ax.com...
On Fri, 12 Oct 2018 07:55:58 +0200, "Frank Millman"
declaimed the following:
>I have often read that the quickest way to concatenate a number of
>strings
>is to place them in a list and 'join' them -
>
Chris Angelico wrote:
> On Fri, Oct 12, 2018 at 5:07 AM Ian Kelly wrote:
>>
>> On Thu, Oct 11, 2018 at 9:28 AM Dan Purgert wrote:
>> >
>> > Larry Martell wrote:
>> > > On Fri, Oct 5, 2018 at 6:54 AM Bruce Coram
>> > > wrote:
>> > > [...]
>> > > We don't like you. We don't want you here. We neve
Chris Angelico於 2018年10月12日星期五 UTC+8下午4時39分37秒寫道：
> On Fri, Oct 12, 2018 at 6:26 PM wrote:
> >
> > I saw a directory where all its filenames are something like this:
> > ...
> > 1a PSG (Entry and PopUp).py
> > 1b PSG (Format).py
> > 1c PSG (persistent form and bind key).py
> > ...
> >
> > Just won
On 12/10/2018 08:36, Thomas Jollans wrote:
> On 12/10/2018 07:55, Frank Millman wrote:
> Hi all
>
> > I have often read that the quickest way to concatenate a number of
> > strings is to place them in a list and 'join' them -
> >
> >
> > C:\Users\User>python -m timeit -s "x='a'*500; y='b'*
On 12/10/2018 07:55, Frank Millman wrote:
Hi all
I have often read that the quickest way to concatenate a number of
strings is to place them in a list and 'join' them -
C:\Users\User>python -m timeit -s "x='a'*500; y='b'*500; z='c'*500"
''.join([x, y, z])
50 loops, best of 5: 30
On Fri, Oct 12, 2018 at 6:26 PM wrote:
>
> I saw a directory where all its filenames are something like this:
> ...
> 1a PSG (Entry and PopUp).py
> 1b PSG (Format).py
> 1c PSG (persistent form and bind key).py
> ...
>
> Just wondering how these file can run and debugged under Windows?
>
Put the f
I saw a directory where all its filenames are something like this:
...
1a PSG (Entry and PopUp).py
1b PSG (Format).py
1c PSG (persistent form and bind key).py
...
Just wondering how these file can run and debugged under Windows?
--Jach
--
https://mail.python.org/mailman/listinfo/python-list
On 12/10/2018 01:19, Ryan Johnson wrote:
I am working on using mysql.connector in a class and have found an example of
how to create a single connection that spans the lifetime of all instances of
the class:
https://softwareengineering.stackexchange.com/a/358061/317228
however, I do not under
Ryan Johnson writes:
> I am working on using mysql.connector in a class and have found an example of
> how to create a single connection that spans the lifetime of all instances of
> the class:
>
> https://softwareengineering.stackexchange.com/a/358061/317228
>
> however, I do not understand a
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