To: Steven D'Aprano
From: Rick Johnson
On Monday, June 25, 2018 at 5:56:04 AM UTC-5, Steven D'Aprano wrote:
> Nearly everybody misses the fact that the Zen is a joke,
> not to be taken *too* seriously. A particularly subtle
> joke, but still a joke.
The Python Zen is not
To: Steven D'Aprano
From: "Rick Johnson"
To: Steven D'Aprano
From: Rick Johnson
On Sunday, June 24, 2018 at 10:05:14 AM UTC-5, Steven D'Aprano wrote: [...]
> Be fair. It's more like 50% of the time. Let's not dogpile
> onto Bart. He asked a questi
To: Steven D'Aprano
From: Rick Johnson
Steven D'Aprano wrote:
[...]
> I get spam bots trying to flush out suckers. I don't get
> bots that send out random messages to random people. Why?
Steven, my son, i suppose some questions just answer themselves...
--- BBBS/Li6
To: Steven D'Aprano
From: Rick Johnson
On Sunday, June 24, 2018 at 10:05:14 AM UTC-5, Steven D'Aprano wrote: [...]
> Be fair. It's more like 50% of the time. Let's not dogpile
> onto Bart. He asked a question, I answered it, we don't all
> need to sink the bo
From: Rick Johnson
On Sunday, May 20, 2018 at 5:29:11 PM UTC-5, Mikhail V wrote:
> What against PDF?
I'm not a big fan of PDF either. Adobe Reader is one the most bloated POS
software i have ever had the misfortune of hosting on my computers, and i
absolutely refuse to host that crap
On Tuesday, June 19, 2018 at 1:02:52 PM UTC-5, Ian wrote:
> On Mon, Jun 18, 2018 at 2:57 PM Rick Johnson
[...]
> > The point is, from the POV of the interpreter and the
> > programmer. comments are always going to be comments
> > regardless of whether special purpose tools
On Tuesday, June 19, 2018 at 4:12:10 AM UTC-5, Steven D'Aprano wrote:
[...]
> People have been requesting static typing in Python virtually since Day
> 1,
"Day one"???
Really?
"People"???
How many people?
Contrary to to your fuzzy memories, Steven, we all know that Guido _purposely_
desig
Rhodri James wrote:
[...]
> It has little flea executioners running around with little flea axes
> chopping off little flea heads?
Hmm. And who knew that Python-list was really just a homicidal flea circus. Go
figure!
--
https://mail.python.org/mailman/listinfo/python-list
On Tuesday, June 19, 2018 at 5:21:25 AM UTC-5, Chris Angelico wrote:
> On Tue, Jun 19, 2018 at 8:12 PM, Steven D'Aprano
> wrote:
> > On Mon, 18 Jun 2018 11:34:40 -0700, Jim Lee wrote:
> >
> >> On 06/18/2018 11:18 AM, Chris Angelico wrote:
> >>> What, fundamentally, is the difference between type h
On Monday, June 18, 2018 at 2:48:58 PM UTC-5, Ian wrote:
> I would also note that none of this applies to type hinting
> in any case. Type hints don't require the programmer to be
> able to explain anything in natural language, nor are they
> prone to becoming out-of-sync.
>
> Because if they do, t
Chris Angelico wrote:
[...]
> assert """
> , ", ";print('Will I print?');\
> "';print("Or will I?");\
> ';print("What about me?");'''\
> print("And me? Where endeth");"""\
> print('the assertion?');\
Chris, that's not code...
That's a syntactical representation of some random flea circus.
On Monday, June 18, 2018 at 1:50:09 PM UTC-5, Chris Angelico wrote:
[...]
> I don't know what you mean by "syntactic meaning". Do you mean that
> they create no executable bytecode, that they have no run-time
> influence? Because that's not entirely true; they are stored, and can
> be viewed at run
On Monday, June 18, 2018 at 1:02:18 PM UTC-5, Ian wrote:
[...]
> When PEP 3107 was written, it was anticipated that
> annotations would find more uses than just type hinting.
> Some of those proposed ideas (e.g. database query mapping)
> depend on the annotation being readable at run-time, for
> wh
On Monday, June 18, 2018 at 12:46:36 PM UTC-5, Chris Angelico wrote:
> What about assertions? Are they comments too? Should we
> have, for instance:
>
> if x > 0:
> ...
> elif x < 0:
> ...
> else:
> #assert: x == 0
> ...
>
> or is it better to use an 'assert' statement? After all
Ian wrote:
> Uh, yes, they do. They're defined in PEP 484, and Mypy uses them for
> type-checking Python 2 code, where the annotations don't exist.
So when will the interleaved type-hints be removed from the language
specification?
--
https://mail.python.org/mailman/listinfo/python-list
Steven D'Aprano wrote:
> Moving the type-checking out of the core language into the
> IDE or linter which can be used or not used according to
> the desire of the programmer
Except, what your poppycock commentary seems to glaze over is
the fact that whilst a programmer can certainly decided to
"us
Steven D'Aprano said:
> Python is not only alive and well, but actually growing in
> popularity according to (as far as I can see) all the well-
> known measures of language popularity.
Steven *ALSO* said:
> "Ever since I learned about confirmation bias, I've been
> seeing it everywhere."
Hmm?
--
Steven D'Aprano wrote:
[...]
> particular at DropBox, which is (I believe) funding a lot of Guido's time
> on this, because they need it.
And now we get to the truth!
Guido's new puppet master is the sole reason why this fine community -- of once
free-roaming *STALLIONS*-- is now corralled an
Bart wrote:
[...]
> For example, comments that start with #T# (and in my case,
> that begin at the start of a line).
Such would be a _breeze_ to parse out. And i would argue
(given a sufficiently unique tag) that arbitrary white space
would not be any more error prone, either. Thus, your
"tagged c
On Monday, June 18, 2018 at 6:43:36 AM UTC-5, Steven D'Aprano wrote:
> The programmer can ignore [type-hints], just as they can
> ignore any other form of documentation.
Type-hints, as implemented, break all the rules of
conventional documentation. In any programming language i
have ever seen, for
On Monday, June 18, 2018 at 6:57:27 AM UTC-5, Steven D'Aprano wrote:
> I still think that Python has been going nowhere but downhill ever since
> extended slicing was added in version 1.4.
Apples to oranges!
--
https://mail.python.org/mailman/listinfo/python-list
Chris Angelico wrote:
> Bart wrote:
[...]
> > What will those look like? If copyright/license comments
> > have their own specific syntax, then they just become
> > another token which has to be recognized.
>
> If they have specific syntax, they're not comments, are they?
Yes, they are.
>From the
On Monday, June 18, 2018 at 5:45:28 AM UTC-5, Chris Angelico wrote:
> So in both cases, you would probably end up with something
> like 2to3.
And there you have it!
Just Like Python3000, the python devs have caused a major
disruption by saddling us with the syntactic noise of type-
hints. There
Jim Lee wrote:
> Chris wrote:
> >
> > I said that you can't decry changes that were before
> > your time (they're simply the way things are).
>
> Really? Wow. I'd hate to live in your world! Just
> because something exists, it can't be challenged or
> questioned. Got it!
Chris is a good choi
Chris Angelico wrote:
[...]
> What was the quote before that?
>
> > "Type-hint comments" would allow:
> > (3) and those who utterly *HATE* them, to write a simpl[e]
> > little function which will strip them from any and all
> > source code they might be forced to maintain.
>
> Put up or s
On Sunday, June 17, 2018 at 9:22:57 PM UTC-5, Chris Angelico wrote:
> First,
No.
You're not squirming your way out this one Chris.
_You_ leveled the assertion that removing interleaved type-
hints from the executable code would be easier than removing
my proposed "type-hint comments".
What w
Chris Angelico wrote:
[...]
> A. Isn't it cute, how he thinks that comments are easier to remove
> than other elements equally well defined in the grammar?
And may we see your code that will remove all instances of type-hints error
free?
Hmm?
I look forward to scraping the internet for s
On Sunday, June 17, 2018 at 3:58:26 PM UTC-5, Dan Stromberg wrote:
[...]
> I actually really like Python's type hinting, which I've recently started
> using. I've now used it on 10 projects, and I imagine I'll be using it in
> many more.
>
> Don't like them? I guess you don't have to use them.
On Sunday, June 17, 2018 at 4:17:33 PM UTC-5, Chris Angelico wrote:
> On Mon, Jun 18, 2018 at 7:10 AM, Jim Lee wrote:
> >
> >
> > On 06/17/2018 01:56 PM, Chris Angelico wrote:
> >>
> >> On Mon, Jun 18, 2018 at 6:50 AM, Jim Lee wrote:
> >>>
> >>>
> >>> On 06/17/2018 01:35 PM, Chris Angelico wrote:
On Sunday, June 17, 2018 at 2:07:40 PM UTC-5, Jim Lee wrote:
> IMHO, trying to shoehorn static type checking on top of a dynamically
> typed language shows that the wrong language was chosen for the job.
Exactly.
I'm not against the idea of Python growing a new feature.
Features are great. My ob
Steven D'Aprano wrote:
> Bart Wrote:
> > So what's a Type Hint associated with in Python?
> Since it is a type *hint*, not a type *declaration*, the
> interpreter can and does ignore it.
But yet, the _programmer_ cannot ignore it. Does that make
any sense to you, or anyone else with half a brain?
Chris Angelico wrote:
[...]
> For the record, there's nothing at all wrong with printf-style
> formatting; its flexibility and brevity make it extremely useful in
> many situations.
Except that it's old, not elegant, error prone, feature poor, and not Pythonic!
But besides all _that_ (and possibl
On Friday, June 15, 2018 at 9:14:13 PM UTC-5, Richard Damon wrote:
> if the Windows driver broke some specification but still sort
> of worked [...]
...that's when the engineers in the Redmond, WA area know it's time to package
and ship the product!
--
https://mail.python.org/mailman/listinfo/py
On Friday, June 15, 2018 at 8:00:36 AM UTC-5, Steven D'Aprano wrote:
> Seriously, you are asking strangers to help you out of the goodness of
> their heart.
Stop lying Steven.
Nobody here has a heart.
This is Usenet, dammit.
--
https://mail.python.org/mailman/listinfo/python-list
On Wednesday, June 13, 2018 at 10:47:40 AM UTC-5, Steven D'Aprano wrote:
> I'm of two minds here...
Obviously.
> [...] So use your own judgement: if following PEP 8 becomes
> a chore, or if you would rather follow your own style,
> don't feel guilty about ignoring the style guide.
IOWs:
"
On Wednesday, June 13, 2018 at 4:27:35 AM UTC-5, Chris Angelico wrote:
> It's more his definition of "large" and "small" that I was
> disagreeing with. You're absolutely right that a dense
> global scope is a problem; but a "one class per file" rule
> is a terrible idea.
What if the "one class" sp
On Tuesday, June 12, 2018 at 10:35:47 PM UTC-5, Chris Angelico wrote:
[...]
> A few thousand lines in a file is only a problem if you're
> using an editor that lacks a Find feature. Or if you use
> bad function/class names that you can't search for.
I'm unaware of any text editor that doesn't have
Bill Deegan wrote:
> I'm doing some refactoring on a fairly large python
> codebase. Some of the files are > 4000 lines long and
> contain many classes.
I would argue that files of such size are a total pain to
navigate and thus, edit. I prefer to place only one -- or
only a handful of classes --
Gregory Ewing wrote:
[...]
> * Charging money for copies of software is not the only way
> to make money from programming. You can charge for support
> services. You can charge for writing custom one-off
> software. There are people who make a good living from
> doing these things.
Microsoft not
subhaba...@gmail.com wrote:
> I have the following sentence,
>
> "Donald Trump is the president of United States of America".
>
> I am trying to extract the index 'of', not only for single but also
> for its multi-occurance (if they occur), from the list of words of the
> string, made by simply
On Monday, June 11, 2018 at 3:04:14 PM UTC-5, MRAB wrote:
> On 2018-06-11 20:17, Rick Johnson wrote:
[...]
> > A dashboard is a horrible analogy. Software and hardware
> > are connected at the _hip_. A more correct analogy to
> > describe the relationship between
On Monday, June 11, 2018 at 1:02:15 PM UTC-5, Chris Angelico wrote:
> You're trying to argue against my hypothetical statements
> about game publishing, and declaring that it's possible to
> use software to encourage hardware sales. But my point was
> that, absent copyright and the ability to make
Sharan Basappa wrote:
> Is there a specific location where user defined modules
> need to be kept?
My advice is that any location is a good location so long as
the location you chose is _not_ a part of the PythonXY
directory tree.
For example, on a windoze machine (and in Python2.x at
least), th
Gene Heskett wrote:
> I rather like that idea. Unforch, who would be in charge of keeping the
> books uptodate? The USTPO? Of course that would expand another guvmnt
> agencies payroll x10, and its a waste of taxpayer dollars since Albert
> retired anyway.
What century are you trapped in pal? H
On Friday, June 8, 2018 at 12:34:58 PM UTC-5, Marko Rauhamaa wrote:
> PS IMO copyright laws should be abolished altogether. At
> the very least one should pay for copyright protection. One
> €1 for the first year, €2 for the second, €4 for the third
> and so on exponentially.
I like your idea of
Marko Rauhamaa wrote:
> Chris Angelico :
>
> > Marko Rauhamaa wrote:
> >>
> >> This surprising exception can even be a security issue:
> >>
> >>>>> os.path.exists("\0")
> >>Traceback (most recent call last):
> >> File "", line 1, in
> >> File "/usr/lib64/python3.6/genericpath.p
sagar daya wrote:
> Couldn't install any module from pip
> Plz help???
As with most actions, an algorithm is required. (shocking, i
know!)
What methodology have you implemented thus far to achieve
your goal of "installing modules from PIP"? Please enumerate
the steps you chose to take, and then w
Grant Edwards wrote:
> Etienne Robillard wrote:
>
> > Do you understand that a modern mobile device typically
> > require a Internet subscription and an additional
> > subscription for the smart phone?
>
> Huh? What is "an internet subscription"? Why would you
> need two of them if all you have
On Friday, March 30, 2018 at 8:59:16 PM UTC-5, Chris Angelico wrote:
[...]
> You can pooh-pooh any statistic.
Yeah, except the ones supported by actual _facts_.
> So far, though, you have provided NO statistics of your
> own, just your own gut feeling.
Uh huh. And what do you call drawing naiv
On Friday, March 30, 2018 at 7:44:40 PM UTC-5, Steven D'Aprano wrote:
[...]
> Reddit's /ruby subreddit: 40,571 subscribers.
>
> Reddit's /python subreddit: 230,858 subscribers.
Those numbers mean nothing unless you can prove all two-
hundred-thirty-odd thousand of them to be active, non-
tolling,
On Friday, March 30, 2018 at 10:45:35 AM UTC-5, Terry Reedy wrote:
> https://www.jetbrains.com/research/python-developers-survey-2017/
> “Which version of Python do you use the most?”
> 2014 80% 2.x, 20% 3.x
> 2016 60% 2.x, 40% 3.x
> 2017 25% 2.x, 75% 3.x
>
> This is a bigger jump than I anticipat
On Wednesday, March 28, 2018 at 2:25:42 AM UTC-5, Gregory Ewing wrote:
> Rick Johnson wrote:
> > The only difference is when you want to make a call from a
> > _reference_, which, as you and i well know, is not the
> > most common way func/meths are called (these are rare).
On Tuesday, March 27, 2018 at 9:37:14 PM UTC-5, Dan Stromberg wrote:
> I can easily get 132+ columns of a font large enough for my
> 52 year old eyes on a 15" laptop.
Well, if you're comfortable with the long lines, fine. But
be aware that long lines are poo-pooed in most professional
enviroments.
On Tuesday, March 27, 2018 at 6:55:23 PM UTC-5, Steven D'Aprano wrote:
> On Tue, 27 Mar 2018 09:28:34 -0700, Rick Johnson wrote:
[...]
> > Since when did utilizing a method to request a specific
> > value become some sort of magic?
>
> Since it requires a special metho
On Tuesday, March 27, 2018 at 4:02:37 PM UTC-5, Dan Stromberg wrote:
> On Tue, Mar 27, 2018 at 8:18 AM, Michael Torrie wrote:
> > But when it's exactly what you need, why do you need to
> > shoehorn the expression into 79 characters? Seems
> > pointless in a case like this. PEP8 is a guideline, n
On Tuesday, March 27, 2018 at 4:47:05 PM UTC-5, Gregory Ewing wrote:
> Rick Johnson wrote:
> > rb> Object.method("print_name").call("Meathead")
>
> Yes, but the point is that you have to have to use a different
> syntax to call it. This is like hav
On Tuesday, March 27, 2018 at 11:35:31 AM UTC-5, Chris Angelico wrote:
> Why are you suggesting that this is magic?
_You_ are the one who leveled the accusation that Ruby's
methodology for fetching a function reference (a la):
Object.method(meth-name-here)
is "magic". I'm merely requesting t
On Tuesday, March 27, 2018 at 8:46:54 AM UTC-5, Chris Angelico wrote:
[...]
> Cool, so Greg was right: you can't get a reference to a
> method or function. You need magic to simulate it.
Since when did utilizing a method to request a specific
value become some sort of magic?
Do you consider this
On Tuesday, March 27, 2018 at 7:19:53 AM UTC-5, kevon harris wrote:
> Unable to pull up IDLE after downloading Python 3.6.4
>
> Sent from Mail for Windows 10
What OS?
On Windows running Python2.X, IDLE is located @ '/Python2X/Lib/idlelib/idle.pyw'
--
https://mail.python.org/mailman/listinfo/pyt
On Tuesday, March 27, 2018 at 3:24:48 AM UTC-5, Steven D'Aprano wrote:
> On Mon, 26 Mar 2018 11:37:35 -0700, Rick Johnson wrote:
> Printing a string and calling a function is obfuscated code? Deary me.
When the programmer can't be bothered to invent names more
descriptive than
On Tuesday, March 27, 2018 at 1:55:01 AM UTC-5, Gregory Ewing wrote:
> Chris Angelico wrote:
> > Question: How do you get a reference to a Ruby function? Or are they
> > not first-class objects?
>
> They're not first-class. So, you can't.
If Chris means: "how do you get a reference to a Ruby
funct
On Monday, March 26, 2018 at 6:11:31 PM UTC-5, Python wrote:
> On Mon, Mar 26, 2018 at 02:19:12PM -0700, Rick Johnson wrote:
[...]
> > Hmm. If "syntax parser rules" could prevent poorly
> > formatted code, then there'd be no need for style guides.
>
> It may
On Monday, March 26, 2018 at 3:09:38 PM UTC-5, Python wrote:
> On Mon, Mar 26, 2018 at 11:37:35AM -0700, Rick Johnson wrote:
[...]
> > Ruby followed the rules.
> > But you didn't.
>
> Nonsense... Your language's syntax parser is what defines
> the rules. All of
On Monday, March 26, 2018 at 5:46:03 AM UTC-5, Steven D'Aprano wrote:
> Rick, you're supposedly familiar with Ruby. And yet, you
> didn't notice that your supposed "fix" didn't touch any
> executable code, all it did was modify the strings being
> print
On Sunday, March 25, 2018 at 5:57:28 PM UTC-5, Steven D'Aprano wrote:
> [supposed "fix" to the sample script snipped]
>
> You know Rick, every time I start to think that talking to
> you like an adult might result in a productive and
> intelligent conversation, you
On Sunday, March 25, 2018 at 9:52:30 AM UTC-5, Steven D'Aprano wrote:
> On Sun, 25 Mar 2018 04:49:21 -0700, Rick Johnson wrote:
[...]
> But refusing to use super in modern, new-style classes that
> don't have anything to do with tkinter is precisely the
> sort of *foolish* co
On Sunday, March 25, 2018 at 10:02:20 AM UTC-5, Jugurtha Hadjar wrote:
[...]
> Furthermore, the only case I'd use a positional argument is
> if I were 100% certain the code will not change, which I'm
> not.
And short of you possessing a crystal ball in good working
order (mine's currently in the s
On Sunday, March 25, 2018 at 9:11:35 AM UTC-5, Steven D'Aprano wrote:
> On Sun, 25 Mar 2018 04:49:21 -0700, Rick Johnson wrote:
[...]
> I never said anything about not allowing it. But since
> you've gone on the defence about parens-free function
> calls, how is this for
On Saturday, March 24, 2018 at 11:31:38 PM UTC-5, Steven D'Aprano wrote:
> On Sat, 24 Mar 2018 20:08:47 -0700, Rick Johnson wrote:
[...]
> >
> > the inconsistency of using super _outside_ of Tkinter code
> > whilst simultaneously using explicit inheritance _inside_
On Saturday, March 24, 2018 at 9:29:02 PM UTC-5, Chris Angelico wrote:
> So tell me, how do these other (beautifully intuitive)
> languages handle multiple inheritance? I'm sure it's really
> easy to make super() work when there's exactly one
> superclass that you can lock in at compile time.
Afte
On Saturday, March 24, 2018 at 6:57:29 PM UTC-5, Steven D'Aprano wrote:
> There's nothing wrong with super() in Python 2. You just
> have to understand what you're doing. It's still the right
> solution for doing inheritance the right way.
The problem is, Python's super is not intuitive.
And i'd
On Saturday, March 24, 2018 at 1:20:24 PM UTC-5, D'Arcy Cain wrote:
> I'm not even sure how to describe what I am trying to do
> which perhaps indicates that what I am trying to do is the
> wrong solution to my problem in the first place but let me
> give it a shot. Look at the following code.
>
On Wednesday, March 21, 2018 at 7:49:42 PM UTC-5, Jacques Bikoundou wrote:
> It said: ImportError: no module named 'speedml'
I see. And did you check the search path[1] to ensure that
the modules you want to import are indeed located in a
directory which python normally searches?
As an academic e
On Wednesday, March 21, 2018 at 5:15:47 AM UTC-5, gurpreet...@gmail.com wrote:
> TITLE: "Want to convert the msg file in html file so that i
> can read the tables emebedded in msg file using python"
My guess that the OP meant to say: "msg file *INTO* html
file" -- where "msg file" is a file holdin
Hmm, let's try a little interactive session, shall we? Did
your error message look something like this?
>>> import spam
Traceback (most recent call last):
File "", line 1, in
import spam
ImportError: No module named spam
>>> import eggs
Traceback (most recent
On Tuesday, March 20, 2018 at 7:03:11 AM UTC-5, Adriaan Renting wrote:
(on the subject of the opioid epidemic)
> That sounds more like a conspiracy theory than a real
> analysis of the problem. Looking at it from here in
> Europe, most of the analysis I've been able to read and
> watch about it
On Tuesday, March 20, 2018 at 1:43:39 AM UTC-5, Terry Reedy wrote:
[...]
> > class Card():
> >
> > BACK_OF_CARD_IMAGE = pygame.image.load('images/backOfCard.png')
> >
> > def __init__(self, window, name, suit, value):
> > self.window = window
> > self.suit = suit
> >
On Tuesday, March 20, 2018 at 6:14:34 AM UTC-5, Alister wrote:
> On Tue, 20 Mar 2018 08:52:29 +, Steven D'Aprano wrote:
> > On Tue, 20 Mar 2018 02:43:13 -0400, Terry Reedy wrote:
> >
> > > I think a claim that in all programs all attributes
> > > should be set *in* __init__, as opposed to *dur
On Monday, March 19, 2018 at 6:37:21 PM UTC-5, Ben Finney wrote:
> --
> \ "Success is going from one failure to the next without a loss |
> `\ of enthusiasm." -- Winston Churchill |
> _o__) |
> B
On Thursday, March 1, 2018 at 10:13:51 PM UTC-6, Steven D'Aprano wrote:
[...]
> And for the record, consider a tree of nodes, where each
> node points back at the root of the tree, which is also a
> node. So what does the root node point back at?
Finally! A practical solution is offered that answe
On Thursday, March 1, 2018 at 6:10:45 PM UTC-6, Chris Angelico wrote:
> On Fri, Mar 2, 2018 at 10:58 AM, Rick Johnson
> wrote:
> > I don't buy into the religion that _all_ CRs are evil. Those
> > who make such claims are dealing in absolutes. And as Obi-
> > wan war
On Thursday, March 1, 2018 at 1:54:40 AM UTC-6, Serhiy Storchaka wrote:
[...]
> Every global function (or method of global class) creates a
> reference cycle.
>
> def f(): pass
>
> f.__globals__['f'] is f
(Note: This is also a response to dieter)
This is true, but it does not answer t
On Wednesday, February 28, 2018 at 11:44:39 PM UTC-6, Paul Rubin wrote:
> Rick Johnson writes:
> > Can you provide a real world example in which you need an
> > object which circularly references _itself_?
>
> DOM trees are a classic example (see the various DOM
> modu
On Wednesday, February 28, 2018 at 10:26:26 PM UTC-6, Steven D'Aprano wrote:
> On Wed, 28 Feb 2018 18:46:05 -0800, Rick Johnson wrote:
>
> > On Wednesday, February 28, 2018 at 5:02:17 PM UTC-6, Chris Angelico
> > wrote:
> >
> >> Here's one example:
On Wednesday, February 28, 2018 at 10:03:56 PM UTC-6, ROGER GRAYDON CHRISTMAN
wrote:
[...]
> If you want something that looks like a real world example,
> consider the very common doubly-linked list:
>
> [ 1 ] <---> [ 2 ] <---> [ 3 ] <--.--> [ N ]
>
> This is chock-full of reference cycle
On Wednesday, February 28, 2018 at 9:00:37 PM UTC-6, Chris Angelico wrote:
> On Thu, Mar 1, 2018 at 1:46 PM, Rick Johnson
> wrote:
> > On Wednesday, February 28, 2018 at 5:02:17 PM UTC-6, Chris Angelico wrote:
> >
> >> Here's one example: reference cycles. When do
On Wednesday, February 28, 2018 at 5:50:53 PM UTC-6, Steven D'Aprano wrote:
> On Wed, 28 Feb 2018 14:51:09 -0800, ooomzay wrote:
> >
> > [...]
> >
> > Specification
> > =
> >
> > When the last reference to an object goes out of scope the
> > intepreter must synchronously, in the threa
On Wednesday, February 28, 2018 at 5:02:17 PM UTC-6, Chris Angelico wrote:
> Here's one example: reference cycles. When do they get detected?
> Taking a really simple situation:
>
> class Foo:
> def __init__(self):
> self.self = self
*shudders*
Can you provide a real world example in
On Wednesday, February 28, 2018 at 4:34:11 PM UTC-6, Etienne Robillard wrote:
> A great number of studies have shown that ultrasonic
> neuromodulation of the central nervous system can be
> exploited via brain-computer interfaces... It is cutting
> edge science however, and my knowledge on techni
On Tuesday, February 27, 2018 at 12:56:52 PM UTC-6, Grant Edwards wrote:
[...]
> The fun part is giving them a solution that's so obscure and "clever"
> that it technically meets the stated requirement but is so far from
> what the instructor wanted that they don't get credit for it (and
> there's
On Tuesday, February 20, 2018 at 5:45:36 PM UTC-6, Steven D'Aprano wrote:
> On Tue, 20 Feb 2018 12:42:23 -0800, Rick Johnson wrote:
>
> > For instance, if the age is queried many times a second,
> > it would be a much wiser design to set-up an event that
> > will adva
On Monday, February 26, 2018 at 5:44:18 PM UTC-6, MRAB wrote:
[...]
> Before using or'd-logic, you need to know whether the value
> could be falsey, e.g. 0.
True. However. Steven failed to provide any info that might
help us determine the types of these parameters, and as
such, i was forced to tak
On Monday, February 26, 2018 at 8:44:14 AM UTC-6, Steven D'Aprano wrote:
> I have a class with a large number of parameters (about
> ten) assigned in `__init__`. The class then has a number of
> methods which accept *optional* arguments with the same
> names as the constructor/initialiser parameter
On Monday, February 26, 2018 at 4:39:22 AM UTC-6, Steven D'Aprano wrote:
> On Sun, 25 Feb 2018 19:26:12 -0800, Rick Johnson wrote:
>
> > On Friday, February 23, 2018 at 8:48:55 PM UTC-6, Steven D'Aprano wrote:
> > [...]
> > > Take the Fibonacci double-recursio
On Monday, February 26, 2018 at 3:59:40 AM UTC-6, Steven D'Aprano wrote:
> On Sun, 25 Feb 2018 20:22:17 -0800, Rick Johnson wrote:
> (We tried painting Go Faster stripes on the server, and it
> didn't work.)
Well of course the server won't work after you drip water-
On Sunday, February 25, 2018 at 10:35:29 PM UTC-6, Steven D'Aprano wrote:
[...]
> Ah, you mean just like the way things were in Python 1.0
> through 2.1? Hands up anyone who has seen an integer
> OverflowError in the last 10 years? Anyone?
I think Python2.1 is much older than 10 years, so yeah, of
On Sunday, February 25, 2018 at 8:45:56 PM UTC-6, Chris Angelico wrote:
> On Mon, Feb 26, 2018 at 1:33 PM, Rick Johnson
> wrote:
[...]
> > A default "integer-diversity-and-inclusivity-doctrine" is
> > all fine and dandy by me, (Hey, even integers need safe spaces),
&
On Sunday, February 25, 2018 at 8:45:56 PM UTC-6, Chris Angelico wrote:
> On Mon, Feb 26, 2018 at 1:33 PM, Rick Johnson
[...]
> > but i do wish we pythonistas had a method to turn off this
> > (and other) cycle burning "features" -- you know -- in the
> > 9
On Friday, February 23, 2018 at 8:48:55 PM UTC-6, Steven D'Aprano wrote:
[...]
> Take the Fibonacci double-recursion benchmark. Okay, it
> tests how well your language does at making millions of
> function calls. Why?
Because making "millons of function calls" is what software
*DOES*!
Granted, an
On Friday, February 23, 2018 at 10:41:45 AM UTC-6, Steven D'Aprano wrote:
[...]
> There are dozens of languages that have made the design
> choice to limit their default integers to 16- 32- or 64-bit
> fixed size, and let the user worry about overflow. Bart,
> why does it upset you so that Python m
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