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by: Axel Straschil |
last post by:
Hello!
Im working with new (object) classes and normaly call init of ther
motherclass with callin super(...), workes fine.
No, I've got a case with multiple inherance and want to ask if this is
the right and common case to call init:
class Mother(object):
def __init__(self, param_mother): print 'Mother'
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by: John Perks and Sarah Mount |
last post by:
Trying to create the "lopsided diamond" inheritance below:
>>> class B(object):pass
>>> class D1(B):pass
>>> class D2(D1):pass
>>> class D(D1, D2):pass
Traceback (most recent call last):
File "<stdin>", line 1, in ?
TypeError: Error when calling the metaclass bases
Cannot create a consistent method resolution
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by: Graham Banks |
last post by:
Does using multiple inheritance introduce any more performance overhead than
single inheritance?
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by: Morgan Cheng |
last post by:
It seems no pattern defined by GoF takes advantage of multiple
inheritance. I am wondering if there is a situation where multiple
inheritance is a necessary solution.
When coding in C++, should multiple inheritance still be avoided?
If yes, why multiple inheritance is introducted into C++?
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by: IvD² |
last post by:
During a project I ran into trouble when using multiple inheritance. I
was able to resolve the problem, but was unable to really understand the
reasons for the error.
Here is a short example of the problem:
class BaseA
{
...
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by: Matthew Louden |
last post by:
I want to know why C# doesnt support multiple inheritance? But why we can
inherit multiple interfaces instead? I know this is the rule, but I dont
understand why. Can anyone give me some concrete examples?
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by: Hazz |
last post by:
I am just beginning to design a Treeview display (winforms) for wine
regions. Problem. Some wine growing regions belong to two counties. Eg.
Carneros is in both Napa and Sonoma Counties. Although most nodes will have
only one parent, a few will have two parents. The Treeview which seems to me
to lend itself to the Windows Explorer type of app...
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by: Shawnk |
last post by:
Some Sr. colleges and I have had an on going discussion relative to when and
if
C# will ever support 'true' multiple inheritance.
Relevant to this, I wanted to query the C# community (the 'target' programming
community herein) to get some community input and verify (or not) the
following
two statements.
Few programmers (3 to7%)...
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by: ernesto |
last post by:
Hi everybody I have the following class declarations:
class Interface
{
public:
virtual char* getName() const = 0;
};
class BaseClass : public Interface
{
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by: Aaron Gray |
last post by:
Wikipedia says Python has Multiple Inheritance, is this true ?
http://en.wikipedia.org/wiki/Multiple_inheritance
Thanks,
Aaron
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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, people are often confused as to whether an ONU can Work As a Router. In this blog post, we’ll explore What is ONU, What Is Router, ONU & Router’s main...
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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, it seems that the internal comparison operator "<=>" tries to promote arguments from unsigned to signed.
This is as boiled down as I can make it. ...
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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 protocol has its own unique characteristics and advantages, but as a user who is planning to build a smart home system, I am a bit confused by the...
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by: conductexam |
last post by:
I have .net C# application in which I am extracting data from word file and save it in database particularly. To store word all data as it is I am converting the whole word file firstly in HTML and then checking html paragraph one by one.
At the time of converting from word file to html my equations which are in the word document file was convert...
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by: TSSRALBI |
last post by:
Hello
I'm a network technician in training and I need your help.
I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs.
The last exercise I practiced was to create a LAN-to-LAN VPN between two Pfsense firewalls, by using IPSEC protocols.
I succeeded, with both firewalls in...
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by: adsilva |
last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
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by: 6302768590 |
last post by:
Hai team
i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated we have to send another system
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by: muto222 |
last post by:
How can i add a mobile payment intergratation into php mysql website.
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by: bsmnconsultancy |
last post by:
In today's digital era, a well-designed website is crucial for businesses looking to succeed. Whether you're a small business owner or a large corporation in Toronto, having a strong online presence can significantly impact your brand's success. BSMN Consultancy, a leader in Website Development in Toronto offers valuable insights into creating...
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