es.
>
However, it has long had https://docs.python.org/3/library/array.html
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not a personal "you post, and only direct replies to you show
up".
BTW: the mailing list is gatewayed to newsgroup comp.lang.python...
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st-Subscribe: <https://mail.python.org/mailman/listinfo/python-list>,
<mailto:python-list-requ...@python.org?subject=subscribe>
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filtered from much spam) and not Usenet (and its open spam
problem).
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o revert to comp.lang.python some time back when gmane kept
rejecting outgoing posts.
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U bound, use of the multiprocessing package may be more suited --
though you'll have to device a working IPC system transfer data to/from the
separate processes (no shared objects as possible with threads).
--
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wlfr
anted, that was a "mainframe" system, not a microprocessor.
Looks like Intel didn't catch the boat until 1985 and the i386.
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On Tue, 28 Mar 2023 08:14:55 +0200, "Loris Bennett"
declaimed the following:
>
>No, it doesn't. I already know about timedelta. I must have explained
>the issue badly, because everyone seems to be fixating on the
>formatting, which is not a problem and is incidental to what I am really
>interes
On Wed, 29 Mar 2023 10:50:49 -0400, Jack Dangler
declaimed the following:
>Sorry for any injected confusion here, but that line "data =
>sorted(data)" appears as though it takes the value of the variable named
>_data_, sorts it and returns it to the same variable store, so no copy
>would be cr
On Thu, 30 Mar 2023 19:22:53 +0200, Roel Schroeven
declaimed the following:
>Either import the things you need explicitly: "from math import sin,
>cos, exp" (for example).
>Or a plain import: "import math" combined with "math.sin", "math.cos".
>Or use an abbreviation: "import math as m" combined
On Thu, 13 Apr 2023 12:21:58 +1000, Cameron Simpson
declaimed the following:
>On 12Apr2023 22:12, avi.e.gr...@gmail.com wrote:
>>I suspect the OP is thinking of languages like PERL or JAVA which guess
>>for
>>you and make such conversions when it seems to make sense.
>
>JavaScript guesses. What
On Thu, 13 Apr 2023 00:21:58 +0200, jak declaimed the
following:
>Thank you too. I had seen this library but I always try not to use
>libraries outside the standard ones. Now I don't remember why I was
>convinced that this wasn't part of it, perhaps because it was like that
>at the time or becau
On Thu, 13 Apr 2023 20:53:21 -0400, Richard Damon
declaimed the following:
>On 4/13/23 7:25 PM, avi.e.gr...@gmail.com wrote:
>> s there any concept in Python of storing information in some way, such as
>> text, and implementing various ideas or interfaces so that you can query if
>> the contents
On Fri, 14 Apr 2023 05:35:22 +1000, Chris Angelico
declaimed the following:
>It was quite the experience back in the day (as OS/2's native
>scripting language), and one that I'm truly glad to have had, as it
>taught me so much about the differences between languages.
>
I still miss the A
{one more entry in the thread drift, and then I think I'll shut up}
On Fri, 14 Apr 2023 17:22:47 +1000, Chris Angelico
declaimed the following:
>Yeah, the "ADDRESS" command has so much potential. Back in the day, I
>built a MUD with REXX scripting, and within those scripts, the defaul
On Wed, 31 May 2023 08:34:48 +0100, Mark Bass
declaimed the following:
>-- Forwarded message -
>From: Mark Bass
>Date: Wed, 31 May 2023 at 08:09
>Subject: Problems Installing and getting started.
>To:
>
>
>Good morning,
>
>I installed python several hours ago (from python.org),
On Thu, 29 Jul 2021 15:45:26 +0200, Peter Otten <__pete...@web.de>
declaimed the following:
>On 28/07/2021 18:40, Dennis Lee Bieber wrote:
>> On Wed, 28 Jul 2021 09:04:40 +0200, Peter Otten <__pete...@web.de>
>> declaimed the following:
>>
>>>
>&g
nsus
implementation of an "X-Expire-After: " would have been friendlier
(Google Groups USED to expire X-No-Archive posts after a week, instead of
the current practice of: post says no-archive, delete immediately).
--
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here I was going wrong.
First attempt: use a full pathname.
Second: determine what the "current working directory" is in which your
program is running, then use a pathname relative to that directory.
--
Wulfraed Dennis Lee Bieber AF6VN
27; '.' | test | [test] ':' [test] [sliceop]
sliceop: ':' [test]
test: or_test ['if' or_test 'else' test] | lambdef
or_test: and_test ('or' and_test)*
and_test: not_test ('and' not_test)*
not_test: 'not' not_test | comparison
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me,
that maps to one of 64 entries in the root directory block; each entry
points the start of a linked list, follow the list until you reach the
block with the component name; if it is a directory block, hash the next
component and repeat; if it is a file block, the "entries" point
;ve not seen anything equivalent in my light perusal of the Win32 API
(the various guide books aren't layed out in any way to be a reference),
and Linux seems to use UNIX sockets for IPC... No way to search for a
connection point by name...
But I've harangue
ture. You
"working" example is actually creating a TUPLE stored (as the only element)
inside a LIST.
>>> [None] * 8
[None, None, None, None, None, None, None, None]
>>>
Creates a LIST of 8 elements, each being None.
--
Wulfraed
urther). If it was
>available, or available within other, older languages, then might this
>explain Python's adoption?
>
As part of the DO loop, FORTRAN did allow decrementing -- but one also
had then to put the start-end in correct order...
DO 10 I = 32, 0, -1
--
ly very attractive. I never liked to deal with floating-point.
>
Unfortunately, the most commonly available is Regina REXX, and to my
knowledge it did not implement the arbitrary precision feature. Softrware
emulation of multprecision floating point is slooo!
--
of the OS... The floppy mess then brought up
a display with approximately "we created Amiga, CBM messed it up"])
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ll also make
everything else in /Scripts available to the command line.
Alternatively, you invoke Python passing it a "-m pip
" (without the ")
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ght click "uninstall" -- but make
sure it is not YOUR Python...
The simplest method would be to ensure YOUR Python is at the top of the
PATH environment variable so it is found first when searching for
applications.
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Wulfraed Dennis Lee Bieber
On Sun, 15 Aug 2021 00:05:29 -0300, Jack Brandom
declaimed the following:
>Dennis Lee Bieber writes:
>
>> subscript: '.' '.' '.' | test | [test] ':' [test] [sliceop]
>> sliceop: ':' [test]
>
>This is looking less read
BLE as the program to
be run by Python, rather than a pip .py file.
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On Sun, 15 Aug 2021 00:15:58 -0300, Hope Rouselle
declaimed the following:
Giganews seems to have just vomited up three days worth of traffic...
>Dennis Lee Bieber writes:
>
>>
>> Granted, the fact that the Amiga used a shared common address space for
>>
on the sound card?
>
Possibly there is a section of code that determines if a sound card is
available, and if not, routes to the basic internal speaker. The rest of
the wave form logic is probably still of use for that.
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Wulfraed Dennis Lee Bieber AF6VN
w
the `Layer` class
docstring.
n_out: Number of outputs promised by the layer; default value 1.
Returns:
Layer executing the function `f`.
"""
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That just "dealt" four poker hands (needs logic to translate integer
1..52 into suit/rank).
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one-liner for Conway's Game of
Life.
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rn X
Same -- nothing about UNIQUE values. Prefilling a list with None, just
to immediate replace all the values feels "unPythonic".
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ch package differs
-- many may include a Tkinter script called IDLE as a basic IDE (I don't
use it, and hated it the few times I had to start it at work; ActiveState
Windows installs included PythonWin as an IDE -- but in the last few years
ActiveState has required one to register with them
ADME appears to be incorrect -- the utility logs
unix epoch [UTC seconds since 1970] AS ISO UTC string).
sqlite> select datetime(1092941466, 'unixepoch');
2004-08-19 18:51:06
sqlite> select datetime(1092941466, 'unixepoch', 'localtime');
2004-08-19 14:51:06
sqlite>
sq
100
0 <= seconds < 3600*24 (the number of seconds in one day)
-9 <= days <= 9
"""
Note that microseconds and seconds are ALWAYS normalized to be a positive
integer. So your input on -3600 is normalized to +82800 from the previous
day.
--
certain Python may be a bit
slower unless you can take advantage of compiled C libraries (regex,
perhaps). Based upon the animated GIF, you'll have to master the curses
library from Python.
--
Wulfraed Dennis Lee Bieber AF6VN
ed /n/-hours after the prior milking.
I think the DST was meant for industrialization -- factories wouldn't
have to run expensive artificial lighting for part of the day-shift; there
would be more natural light falling in through the south facing windows on
the roof of the building.
--
t a "New Brunswick" in the PRCa)
Though https://roadsidethoughts.com/nb/lower-california-profile.htm
doesn't help in deconfusion
--
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--
h
pon.
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>
>All I did was to take the first number, 7.23, and move it to the last
>position in the list. (So we have a violation of the commutativity of
>addition.)
>
https://www.amazon.com/Real-Computing-Made-Engineering-Calculations-dp-B01K0Q03AA/dp/B01K0Q03AA/ref=mt_other?_encodin
he exponent was in the low byte)
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rounding and is, I believe,
>independent of data order.
>
Most likely it sorts the data so the smallest values get summed first,
and works its way up to the larger values. That way it minimizes the losses
that occur when denormalizing a value (to set the exponent equal to that of
th
db-api
adapter. The semi-colon is, in my experience, only required by basic
interactive query utilities -- to tell the utility that the statement is
fully entered, and can be sent to the server.
--
Wulfraed Dennis Lee Bieber AF6VN
wlfr.
thon2 compatibility).
>
Given the nature of the error reported by the OP... It may be closer to
state "whose maintainers may or may not care about" /Python3/
"compatibility"; the code appears to already be Python2 compatible
--
Wulfraed Dennis Lee Bieber
ent for repetitions
...
end
AND worse! You can combine them...
do idx = start for repetitions while condition1 until condition2
...
end
{I need to check if both while and until can be in the same statement}
--
Wulfraed
SQLite3 which will store anything in any field,
but uses some slightly obscure logic to determine what conversion is done)
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The Man Who Never Returned"?
(Especially as you describe just the opposite -- many returns )
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y mind immediately flash on "The Man Who Never Returned"?
(AKA: "M.T.A.", Kingston Trio song)
(Especially as you describe just the opposite -- many returns )
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wlf
ll_frozen_over():
> return False
>
>while not hell_frozen_over():
>
Hell typically freezes every January (scroll down to monthly average):
https://www.worldweatheronline.com/hell-weather-averages/michigan/us.aspx
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ht-justify the F-IV output, so easy to locate...
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lost from existing files if they are opened and
saved with the same name.
"""
It does, however, grant access to the formulas in cells, rather than
just last value; along with style information...
--
Wulfraed Dennis Lee Bieber AF6VN
wlfr..
ed as re-entrant, allowing multiple compiles to share one in-core
image; the preprocessor no doubt ran as one image per compile, triggering
lots of page swapping to disk)
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On Wed, 8 Sep 2021 16:32:45 - (UTC), Grant Edwards
declaimed the following:
>On 2021-09-08, Dennis Lee Bieber wrote:
>
>> I spent close to 20 years (80s-90s) maintaining the /output/ of such
>> a preprocessor.
>
>Ouch. I hope it paid well. ;)
Only if one ig
g "Python some-script-file-name" (though newer Python's include a
so-called "launcher" invoked as just "py").
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>Dijkstra "Notes on Structured Programming"
>https://dl.acm.org/doi/pdf/10./1243380
>Single-Entry, Single-Exit
>https://web.archive.org/web/20121114195652/http://msmvps.com/blogs/peterritchie/archive/2008/03/07/single-entry-single-exit-should-it-still-be-applicable-in-object-oriented-languages.aspx
>https://en.wikipedia.org/wiki/Cyclomatic_complexity
>Ned Batchelder's McCabe plug-in https://pypi.org/project/mccabe/
>The Walrus and the Carpenter by Lewis Carroll
>https://poets.org/poem/walrus-and-carpenter
>Python's Parser https://www.python.org/dev/peps/pep-0617/
>PEP 315 https://www.python.org/dev/peps/pep-0315/
>BDFL Rejection
>https://mail.python.org/pipermail/python-ideas/2013-June/021610.html
>Later discussion
>https://mail.python.org/pipermail/python-ideas/2009-April/004306.html
>and
>https://mail.python.org/archives/list/python-id...@python.org/thread/2VUZ3J6C4GSHGBZJW62AY4HPEEBMXAT6/#2VUZ3J6C4GSHGBZJW62AY4HPEEBMXAT6
>PEP 548 https://www.python.org/dev/peps/pep-0548/
>BDFL Rejection
>https://mail.python.org/pipermail/python-dev/2017-September/149232.html
>Python-Ideas post
>https://mail.python.org/archives/list/python-id...@python.org/thread/EDNARFL2RGOE53SLWPTD5ZLJQOYSVDCR/#EDNARFL2RGOE53SLWPTD5ZLJQOYSVDCR
>Duke Paper
>https://users.cs.duke.edu/~ola/patterns/plopd/loops.html#loop-and-a-half
>RegEx in Python https://docs.python.org/3/library/re.html
>and https://docs.python.org/3/howto/regex.html
>"bastardise" (meaning 1) https://www.dictionary.com/browse/bastardize
>https://stackoverflow.com/questions/743164/how-to-emulate-a-do-while-loop
>DRY
>https://code.tutsplus.com/tutorials/3-key-software-principles-you-must-understand--net-25161
>
>--
>Regards,
>=dn
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On Thu, 09 Sep 2021 19:07:49 -0400, Dennis Lee Bieber
declaimed the following:
>On Fri, 10 Sep 2021 09:36:36 +1200, dn via Python-list
> declaimed the following:
Someone, please shoot me now...
>>This is a perennial question (one contributor calling it "immemorial&qu
y/code.html
>
>and thus do not know what the limitations might be.
Well, offhand, I'd say you need to provide a function to be used for
raw_input (which will have to provide prompts, etc.).
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t do what you want -- as long as the module name itself remains fixed.
The other alternative may be
https://docs.python.org/3/library/functions.html#__import__
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resented by relations (terminology from relational theory -- a "table"
to most) linked by foreign keys.
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.append(currentPoint)
class Fuel():
def __init__(self, name, ..., price):
self.name = name
...
self.price = price
class Generator():
def __init__(self, name):
self.name = name
self.fuel = None
2-bit drivers).
Obviously you'll need to translate the PowerShell syntax into Python's ODBC
DB-API interface (which is a bit archaic as I recall -- does not match
current DP-API specifications).
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7;ve defined in the most recent message. Import into some supported
database and normalize the data to make updates easier.
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uot;I need the 'copies_left' column -- is
that column 5 or 6?") you'd use, say, column_dict["COPIES_LEFT"] where the
dictionary has something like
{ ..., "COPIES_LEFT" : 5, ... }
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On Thu, 13 Jan 2022 15:22:50 -0500, Dennis Lee Bieber
declaimed the following:
Talking to myself in public again... Bad habit...
> As you've described this system, the only thing your application will
>do is record "check-outs" by tracking available copies of
On Fri, 14 Jan 2022 08:24:43 +1100, Chris Angelico
declaimed the following:
>On Fri, Jan 14, 2022 at 7:56 AM Dennis Lee Bieber
>wrote:
>>
>> On Thu, 13 Jan 2022 15:22:50 -0500, Dennis Lee Bieber
>> declaimed the following:
>>
>> Talking to myself in
cation is merely recording information of who
has physically received a book (in which case the overhead of tracking
availability seems superfluous, as the staff would see that the table(s) of
books does not have the title, so it is unavailable for handing over).
--
Wulfraed D
columns;
exported as a CSV file (binary attachments get stripped from this forum,
but a CSV is text and can be pasted in -- 5x5 should be small enough that
those trying to assist can then extract it from the post, clean up any line
wrappings, and import into a blank spreadsheet.
--
Wulfra
ve the O'Reilly text for that, and find it still makes no sense to me...
I can code direct SQL queries faster than trying to figure out the
equivalent functionality in SQLAlchemy... And if the OP has a fixation on
spreadsheet views of the data, SQLAlchemy will really be a mystery.
}
ed (library) computers that may not have it
installed, and for which users have no ability to install applications.
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app again, a new "dyno" is spun up and loaded from scratch. One is supposed
to use one of the client server databases provided by Heroku for persist
ant storage (since those are not inside "dyno" container -- the app makes a
network connection to the database server.
--
the day with all content removed and ad hoc comments inserted.
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o/~ talking to myself in public o/~
On Mon, 17 Jan 2022 15:39:25 -0500, Dennis Lee Bieber
declaimed the following:
> In one respect, given the limited functionality stated, one gets the
>impression of a class GROUP assignment, in which the individual fun
include a Tkinter-based program called IDLE which can
be run if one really needs an IDE -- though there are many third-party IDEs
for Python which may be better.
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usr/bin/transmission-remote --torrent %s --info',
>'1'), returncode=0, stdout='', stderr='')
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fastest thing out there to begin with [Ugh -- Hope it's the weather -- my
downlink is down to 10Mbps, when nominal is closer to 14Mbps]). Someday I
may try creating a Flask application for it, just for learning.
--
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w
tokens [cookies] to let the logic know what was done previously)
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justable target
(but not top-end match) trigger and, if really ambitious, install an
improved trigger in my Ruger MK-II pistol (I have the parts for both --
just need to set up space and time to do the work).
--
Wulfraed Dennis Lee Bieber AF6VN
wlfr.
ining a separate
list (though sorting will require some tricks to keep the numpy array in
sync with the character list).
Note that the comparison warns that /indexing/ in pandas can be slow.
If your manipulation is always "apply operationX to columnY" it should be
okay -- but &qu
Book_ID INTEGER NOT NULL
REFERENCES Book(ID)
ON DELETE CASCADE
ON UPDATE CASCADE,
Author_ID INTEGER NOT NULL
REFERENCES Author(ID)
ON DELETE RESTRICT
ON UPDATE CASCADE,
UNIQUE (Book_ID, Author_ID)
);
"""
# TABLES lists the individual SQL statements for each
# database table. They are ordered such that
# referenced tables are before the referencing
# table
TABLES = [ USERLOGIN, PUBLISHER, AUTHOR,
BOOK, COPY, CHECKOUT,
BOOK_AUTHOR ]
-=-=-=-
Good thing this is a text only forum, or I'd toss in an
Entity-Relationship diagram for the database.
--
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UIs (no master event loop invoking
call-backs, rather an explicit loop with comparison for event/widget and
dispatch to handler functions)
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Wulfraed Dennis Lee Bieber AF6VN
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On Fri, 28 Jan 2022 14:31:20 -0700, Cousin Stanley
declaimed the following:
>Dennis Lee Bieber wrote:
>
>> Ignoring the code spam I presume
>>
>
> I'm an sqlite user myself and was glad to see
> the code you posted and have a couple of tiny example
&
EXACT operations you are performing and the results... [NOT
SCREEN CAPTURES -- this forum strips non-text attachments; select the TEXT
and cut&paste that]
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ents
only handled local mailboxes, and did not send/receive messages -- one had
to invoke scripts to queue outgoing messages for sending, and others to
fetch from POP3 servers. I'll admit I couldn't do that now -- the need for
SSL/TLS protocols complicates things.}
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e lines not writing through to RAM? Can't find
anything on Google to force a cache flush Can you test on a
different OS? (Windows vs Linux)
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network byte order. On big-endian machines, no
code is inserted since none is needed; the functions are defined as null.
"""
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I have Windows configured to accept .py as an executable file, with
the Python interpreter as the "runner", which is how the lines without
"python" function -- but if you explicitly invoke python with a file name
you must provide the full name.
C:\Users\Wulfraed>assoc .py
.p
eive ACK/NAK packets
for each one it sends out. If it doesn't receive either it will, after some
time-out period, declare a broken connection.
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On Mon, 07 Feb 2022 11:40:24 -0800 (PST), Grant Edwards
declaimed the following:
>On 2022-02-07, Dennis Lee Bieber wrote:
>
>> Also, for a machine freshly booted, with no cache, even pinging
>> Google first requires making contact with a DNS server to ask for
>> Goog
alid, and reapplying the update.
Multiple record updates within a transaction are possible.
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empts the
open/write/close cycle}
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then apply those percentages to the left-over from the mis-feed.
NONE of this has anything to do with Python itself -- it is purely
algorithm development that applies with any programming language -- or even
none.
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Wulfraed Dennis Lee Bieber AF6VN
local Tkinter GUI (and apparently has
actually written some code finally, as they produced a traceback message
sequence -- however, the code-first_then-come-here lesson isn't
sticking if you look at their second thread of the week).
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Wulfraed Dennis Lee Bieber
e possible using
the win32py (or whatever the current name is) extension... Or with more
difficulty, ctypes!
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t it for grading (unless proven
otherwise, these have the appearance of homework assignments and, to
reiterate, we do not provide solutions to homework). OR ask the person who
gave you the assignment if your understanding is correct.
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Wulfraed Dennis Lee Bi
in the other direction and get
6 1.333 .333v
6 1.333 .666v
13 2.666 1.333^
.333
25 5.333 .666v
26 5.333 .999^ (again, 3 decimal places)
0.0
38 8.0 0
eep() inside that loop... definitely remove the .sleep(). That
loop is already I/O bound, the fastest you can obtain is determined by how
rapidly the OS can transfer records from the file system to your program.
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