大约有 45,000 项符合查询结果（耗时：0.0528秒） [XML]
Optional Parameters with C++ Macros
Is there some way of getting optional parameters with C++ Macros? Some sort of overloading would be nice too.
14 Answers
...
Understanding Python super() with __init__() methods [duplicate]
I'm trying to understand the use of super() . From the looks of it, both child classes can be created, just fine.
7 Answe...
Calling parent class __init__ with multiple inheritance, what's the right way?
Say I have a multiple inheritance scenario:
9 Answers
9
...
Relative imports in Python 2.7
... what directory a file is in does not determine what package Python thinks it is in. That depends, additionally, on how you load the file into Python (by running or by importing).
There are two ways to load a Python file: as the top-level script, or as a
module. A file is loaded as the top-level...
Understanding the difference between __getattr__ and __getattribute__
...nce between __getattr__ and __getattribute__ , however, I am failing at it.
4 Answers
...
How to enumerate an object's properties in Python?
I C# we do it through reflection. In Javascript it is simple as:
7 Answers
7
...
Relative imports in Python 3
...
unfortunately, this module needs to be inside the package, and it also
needs to be runnable as a script, sometimes. Any idea how I could
achieve that?
It's quite common to have a layout like this...
main.py
mypackage/
__init__.py
mymodule.py
myothermodule.py
...with ...
What is the fastest way to get the value of π?
...
The Monte Carlo method, as mentioned, applies some great concepts but it is, clearly, not the fastest, not by a long shot, not by any reasonable measure. Also, it all depends on what kind of accuracy you are looking for. The fastest π I know of is the one with the digits hard coded. Looking at...
How does __proto__ differ from constructor.prototype?
It always returns the object with rating = 3.
8 Answers
8
...
Should __init__() call the parent class's __init__()?
...
In Python, calling the super-class' __init__ is optional. If you call it, it is then also optional whether to use the super identifier, or whether to explicitly name the super class:
object.__init__(self)
In case of object, calling the super method is not strict...