by: George Sakkis |
last post by:
I'm trying to write a decorator similar to property, with the
difference that it applies to the defining class (and its subclasses)
instead of its instances. This would provide, among others, a way...
|
by: Ksenia Marasanova |
last post by:
Hi all,
I am creating some library, and want use "declarative" style in the
subclasses as much as possible, while the actual use will be more
method-like.
Just to give an impression, the...
|
by: Andrew Jaffe |
last post by:
Hi,
I have a class with various class-level variables which are used to
store global state information for all instances of a class. These are
set by a classmethod as in the following (in...
|
by: Giovanni Bajo |
last post by:
Hello,
what's the magic needed to reuse the base-class implementation of a
classmethod?
class A(object):
@classmethod
def foo(cls, a,b):
# do something
pass
|
by: Christoph Zwerschke |
last post by:
Usually, you initialize class variables like that:
class A:
sum = 45
But what is the proper way to initialize class variables if they are the
result of some computation or processing as in...
|
by: telesphore4 |
last post by:
I want to inherit fresh copies of some class variables. So I set up a
metaclass and meddle with the class variables there.
Now it would be convenient to run thru a dictionary rather than...
|
by: dischdennis |
last post by:
Hello List,
I would like to make a singleton class in python 2.4.3, I found this
pattern in the web:
class Singleton:
__single = None
def __init__( self ):
if Singleton.__single:
raise...
|
by: emin.shopper |
last post by:
I had a need recently to check if my subclasses properly implemented
the desired interface and wished that I could use something like an
abstract base class in python. After reading up on metaclass...
|
by: minkoo.seo |
last post by:
Hi.
I've got a question on the differences and how to define static and
class variables. AFAIK, class methods are the ones which receives the
class itself as an argument, while static methods...
|
by: vbgunz |
last post by:
I remember learning closures in Python and thought it was the dumbest
idea ever. Why use a closure when Python is fully object oriented? I
didn't grasp the power/reason for them until I started...
|
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...
|
by: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 3 Apr 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome former...
|
by: ryjfgjl |
last post by:
In our work, we often need to import Excel data into databases (such as MySQL, SQL Server, Oracle) for data analysis and processing. Usually, we use database tools like Navicat or the Excel import...
|
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,...
|
by: aa123db |
last post by:
Variable and constants
Use var or let for variables and const fror constants.
Var foo ='bar';
Let foo ='bar';const baz ='bar';
Functions
function $name$ ($parameters$) {
}
...
|
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...
|
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
|
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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