by: Stephan Diehl |
last post by:
I have a question about metaclasses:
How would be the best way to "merge" different metaclasses?
Or, more precisely, what is the best way to merge metaclass functionality?
The idea is basicly...
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by: Andrew Koenig |
last post by:
Suppose I want to define a class hierarchy that represents expressions, for
use in a compiler or something similar.
We might imagine various kinds of expressions, classified by their top-level...
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by: arserlom |
last post by:
Hello I have a question about inheritance in Python. I'd like to do
something like this:
class cl1:
def __init__(self):
self.a = 1
class cl2(cl1):
def __init__(self):
self.b = 2
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by: Tony Johansson |
last post by:
Hello Experts!!
Here we use multiple inheritance from two classes.We have a class named
Person at the very top
and below this class we have a Student class and an Employee class at the
same...
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by: Tony Johansson |
last post by:
Hello Experts!
I have some questions about inheritance that I want to have an answer to.
It says "Abstract superclasses define a behavioral pattern without
specifying the implementation"
I...
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by: Quentin Huo |
last post by:
Hi:
C# doesn't support multiple inheritance but it supports interface.But I
think these ways are different.
For example, C++ supports multiple inheritance. I have two classess classA
and...
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by: Tom Cole |
last post by:
I'm working on a small Ajax request library to simplify some tasks
that I will be taking on shortly. For the most part everything works
fine, however I seem to have some issues when running two...
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by: JoeC |
last post by:
I have been writing games and I also read about good programming
techniques. I tend to create large objects that do lots of things. A
good example I have is a unit object. The object controls...
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by: Jess |
last post by:
Hello,
I've been reading Effective C++ about multiple inheritance, but I
still have a few questions. Can someone give me some help please?
First, it is said that if virtual inheritance is...
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by: Tony Johansson |
last post by:
Hello!
I wonder can somebody explain when is it suitable to
use these methods
OnKeyUp, OnKeyDown and OnKeyPress
because these raise an event. These are located in class UserControl.
If these...
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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: ryjfgjl |
last post by:
In our work, we often receive Excel tables with data in the same format. If we want to analyze these data, it can be difficult to analyze them because the data is spread across multiple Excel files...
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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: nemocccc |
last post by:
hello, everyone, I want to develop a software for my android phone for daily needs, any suggestions?
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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: 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: tracyyun |
last post by:
Dear forum friends,
With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each...
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