by: dan |
last post by:
without stirring the pot too much --
could someone please point me to whatever documentation exists on the
philosophy, semantics, and practical implications of how Python
implements the...
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by: Thomas Philips |
last post by:
I want to represent an NxN matrix by a list containing N lists, each
of which has N elements. Initially the elements are set to " ". For
N=2, I write
>>>x = *2 #assignment creates references,...
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by: Henning Kage |
last post by:
I'm using Python only for some months now and I'm wondering, whether such
assignments as above are creating bitwise copies of an object or just
recieve a reference. That means I wanted to know,...
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by: Ilpo Nyyssönen |
last post by:
Take an XML source:
<document>
<recipient>
<name>John Doe</name>
<email>john.doe@example.invalid</email>
</recipient>
<recipient>
<name>Jane Doe</name>...
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by: jsnX |
last post by:
hi,
i would like to make some code that operates on sets of points - does
convex hulls and other operations. but it looks like i will need a lot
of pointless object copies:
...
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by: lord.zoltar |
last post by:
Hi, I'm having some trouble with Copies of objects versus references.
My problem is that I have written a printing/reporting system that
takes the DataGridView, and then changes the date-formatted...
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by: Veloz |
last post by:
Hiya
My question is whether or not you should associated related objects in
your software using a scheme of id's and lookups, or wether objects
should actually hold actual object references to...
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by: mk |
last post by:
Hello everyone,
I'm storing functions in a dictionary (this is basically for cooking up
my own fancy schmancy callback scheme, mainly for learning purpose):
.... return "f2 " + arg
.......
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by: Calvin Spealman |
last post by:
On Thu, Jul 17, 2008 at 7:45 AM, mk <mrkafk@gmail.comwrote:
As was pointed out already, this is a basic misunderstanding of
assignment, which is common with people learning Python.
To your...
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by: DolphinDB |
last post by:
The formulas of 101 quantitative trading alphas used by WorldQuant were presented in the paper 101 Formulaic Alphas. However, some formulas are complex, leading to challenges in calculation.
Take...
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by: DolphinDB |
last post by:
Tired of spending countless mintues downsampling your data? Look no further!
In this article, you’ll learn how to efficiently downsample 6.48 billion high-frequency records to 61 million...
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by: ryjfgjl |
last post by:
ExcelToDatabase: batch import excel into database automatically...
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by: isladogs |
last post by:
The next Access Europe meeting will be on Wednesday 6 Mar 2024 starting at 18:00 UK time (6PM UTC) and finishing at about 19:15 (7.15PM).
In this month's session, we are pleased to welcome back...
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by: Vimpel783 |
last post by:
Hello!
Guys, I found this code on the Internet, but I need to modify it a little. It works well, the problem is this: Data is sent from only one cell, in this case B5, but it is necessary that data...
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by: ArrayDB |
last post by:
The error message I've encountered is; ERROR:root:Error generating model response: exception: access violation writing 0x0000000000005140, which seems to be indicative of an access violation...
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by: Defcon1945 |
last post by:
I'm trying to learn Python using Pycharm but import shutil doesn't work
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by: af34tf |
last post by:
Hi Guys, I have a domain whose name is BytesLimited.com, and I want to sell it. Does anyone know about platforms that allow me to list my domain in auction for free. Thank you
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by: Faith0G |
last post by:
I am starting a new it consulting business and it's been a while since I setup a new website. Is wordpress still the best web based software for hosting a 5 page website? The webpages will be...
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