by: Kerim Borchaev |
last post by:
Hello!
Always when I use "super" I create a code duplication because class
used as first arg to "super" is always the class where the method
containing "super" was defined in:
'''
class C:...
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by: Clarence Gardner |
last post by:
The super object is considered a solution to the "diamond problem".
However, it generally requires that the ultimate base class know that it
is last in the method resolution order, and hence it...
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by: Delaney, Timothy C (Timothy) |
last post by:
http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/286195
This is a new version of super that automatically determines which
method needs to be called based on the existing stack frames....
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by: Pierre Rouleau |
last post by:
Hi all!
I'm trying to extend the functionality of the file object by creating a
class that derives from file. MyFile class re-implements __init__(),
write(), writelines() and close() to augment...
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by: Pierre Rouleau |
last post by:
Greetings,
I'm wondering why the >> operator does not use the write() method of a
class derived from the built-in file class as in DerivedFile below.
In the following example:
- StringFile...
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by: Paul Rubin |
last post by:
I'm trying the super() function as described in Python Cookbook, 1st ed,
p. 172 (Recipe 5.4).
class A(object):
def f(self):
print 'A'
class B(object):
def f(self):
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by: Michael P. Soulier |
last post by:
Ok, this works in Python on Windows, but here on Linux, with Python 2.4.1, I'm
getting an error.
The docs say:
A typical use for calling a cooperative superclass method is:
class C(B):...
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by: Pupeno |
last post by:
Hello,
I have a class called MyConfig, it is based on Python's
ConfigParser.ConfigParser.
It implements add_section(self, section), which is also implemented on
ConfigParser.ConfigParser, which I...
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by: Mike Krell |
last post by:
I'm reading Alex Martelli's "Nutshell" second edition. In the section
called "Cooperative superclass method calling", he presents a diamond
inheritance hierachy:
class A(object):
def...
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by: King |
last post by:
I am new to python and getting into classes. Here I am trying to
create subtype of built in types with some additional attributes and
function. 'Attributes' is the main class and holds all the...
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by: taylorcarr |
last post by:
A Canon printer is a smart device known for being advanced, efficient, and reliable. It is designed for home, office, and hybrid workspace use and can also be used for a variety of purposes. However,...
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by: ryjfgjl |
last post by:
If we have dozens or hundreds of excel to import into the database, if we use the excel import function provided by database editors such as navicat, it will be extremely tedious and time-consuming...
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by: emmanuelkatto |
last post by:
Hi All, I am Emmanuel katto from Uganda. I want to ask what challenges you've faced while migrating a website to cloud.
Please let me know.
Thanks!
Emmanuel
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by: BarryA |
last post by:
What are the essential steps and strategies outlined in the Data Structures and Algorithms (DSA) roadmap for aspiring data scientists? How can individuals effectively utilize this roadmap to progress...
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by: Sonnysonu |
last post by:
This is the data of csv file
1 2 3
1 2 3
1 2 3
1 2 3
2 3
2 3
3
the lengths should be different i have to store the data by column-wise with in the specific length.
suppose the i have to...
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by: Hystou |
last post by:
There are some requirements for setting up RAID:
1. The motherboard and BIOS support RAID configuration.
2. The motherboard has 2 or more available SATA protocol SSD/HDD slots (including MSATA, M.2...
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by: marktang |
last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However,...
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by: Hystou |
last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can...
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by: Oralloy |
last post by:
Hello folks,
I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>".
The problem is that using the GNU compilers,...
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