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What does “mro()” do?
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Follow along...:
>>> class A(object): pass
...
>>> A.__mro__
(<class '__main__.A'>, <type 'object'>)
>>> class B(A): pass
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>>> B.__mro__
(<class '__main__.B'>, <class '__main__.A'>, <type 'object'>)
>>> class C(A): pa...
Cooler ASCII Spinners? [closed]
... even in random order http://www.fileformat.info/info/unicode/block/braille_patterns/images.htm
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Implementing slicing in __getitem__
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The __getitem__() method will receive a slice object when the object is sliced. Simply look at the start, stop, and step members of the slice object in order to get the components for the slice.
>>> class C(object):
......
What are the correct version numbers for C#?
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VERSION_____LANGUAGE SPECIFICATION______MICROSOFT COMPILER
C# 1.0/1.2____December 2001?/2003?___________January 2002?
C# 2.0_______September 2005________________November 2005?
C# 3.0_______May 2006_____________________November 20...
What are all the uses of an underscore in Scala?
...ang.org and noticed a curious question: " Can you name all the uses of “_”? ". Can you? If yes, please do so here. Explanatory examples are appreciated.
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print call stack in C or C++
...ing stack frame). To translate these to something of use, there's backtrace_symbols(3).
Pay attention to the notes section in backtrace(3):
The symbol names may be unavailable
without the use of special linker
options.
For systems using the GNU linker, it is necessary to use the
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In which case do you use the JPA @JoinTable annotation?
...ble named Task and add a foreign key column to the task table named project_id:
Project Task
------- ----
id id
name name
project_id
This way, it will be possible to determine the project for each row in the task table. If you use this approach, in your e...
How do I override __getattr__ in Python without breaking the default behavior?
I want to override the __getattr__ method on a class to do something fancy but I don't want to break the default behavior.
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Immutability of Strings in Java
...lease? That will make my understanding clear.
– Light_handle
Oct 12 '09 at 17:30
17
I've never se...
How to make a class property? [duplicate]
...re's how I would do this:
class ClassPropertyDescriptor(object):
def __init__(self, fget, fset=None):
self.fget = fget
self.fset = fset
def __get__(self, obj, klass=None):
if klass is None:
klass = type(obj)
return self.fget.__get__(obj, klass)(...