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Calling class staticmethod within the class body?
When I attempt to use a static method from within the body of the class, and define the static method using the built-in staticmethod function as a decorator, like this:
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Difference between global and device functions
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Global functions are also called "kernels". It's the functions that you may call from the host side using CUDA kernel call semantics (<<<...>>>).
Device functions can only be called from other device or global functions. __device__ functions cannot b...
Compare object instances for equality by their attributes
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You should implement the method __eq__:
class MyClass:
def __init__(self, foo, bar):
self.foo = foo
self.bar = bar
def __eq__(self, other):
if not isinstance(other, MyClass):
# don't attempt to compare against unrelated types
return N...
How to call Base Class's __init__ method from the child class? [duplicate]
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You could use super(ChildClass, self).__init__()
class BaseClass(object):
def __init__(self, *args, **kwargs):
pass
class ChildClass(BaseClass):
def __init__(self, *args, **kwargs):
super(ChildClass, self).__init__(*args, **kwargs)
Your in...
Python extending with - using super() Python 3 vs Python 2
Originally I wanted to ask this question , but then I found it was already thought of before...
5 Answers
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Python __str__ and lists
In Java, if I call List.toString(), it will automatically call the toString() method on each object inside the List. For example, if my list contains objects o1, o2, and o3, list.toString() would look something like this:
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Cooler ASCII Spinners? [closed]
In a console app, an ascii spinner can be used, like the GUI wait cursor, to indicate that work is being done. A common spinner cycles through these 4 characters: '|', '/', '-', '\'
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Why does Python use 'magic methods'?
I've been playing around with Python recently, and one thing I'm finding a bit odd is the extensive use of 'magic methods', e.g. to make its length available, an object implements a method, def __len__(self) , and then it is called when you write len(obj) .
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Is there a __CLASS__ macro in C++?
..._class).name() - but this produces compiler specific mangled name.
To use it inside class just typeid(*this).name()
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Is there a simple, elegant way to define singletons? [duplicate]
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I don't really see the need, as a module with functions (and not a class) would serve well as a singleton. All its variables would be bound to the module, which could not be instantiated repeatedly anyway.
If you do wish to use a class, there is no way of creating ...