大约有 46,000 项符合查询结果（耗时：0.0410秒） [XML]
Use of 'prototype' vs. 'this' in JavaScript?
.... Where a function is called on an object (e.g. myObj.method()) then this within the method references the object. Where this is not set by the call or by the use of bind, it defaults to the global object (window in a browser) or in strict mode, remains undefined.
JavaScript is an object-oriented la...
How can you set class attributes from variable arguments (kwargs) in python
Suppose I have a class with a constructor (or other function) that takes a variable number of arguments and then sets them as class attributes conditionally.
...
How can I get a list of all classes within current module in Python?
...follow
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edited May 1 '15 at 21:36
kenorb
105k4949 gold badges541541 silver badges576576 bronze badges
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correct way to use super (argument passing)
...unlike object, absorbs/ignores arguments:
class Base(object):
def __init__(self, *args, **kwargs): pass
class A(Base):
def __init__(self, *args, **kwargs):
print "A"
super(A, self).__init__(*args, **kwargs)
class B(Base):
def __init__(self, *args, **kwargs):
pr...
Get name of current class?
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Why isn't this the accepted answer? EDIT: Ok OP's scope isn't inner, it's at class level.
– KomodoDave
Nov 10 '14 at 12:51
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Python's equivalent of && (logical-and) in an if-statement
... i do for this: if x=='n' and y =='a' or y=='b': <do something> Will it work !? @ChristopheD
– diffracteD
Apr 2 '15 at 15:35
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namedtuple and default values for optional keyword arguments
... (most recent call last):
...
TypeError: __new__() missing 1 required positional argument: 'val'
>>> Node(3)
Node(val=3, left=1, right=2)
Wrapper for Python 2.6 to 3.6
Here's a wrapper for you, which even lets you (optionally) set the default values to something other than None. This d...
Sibling package imports
...r not) will give you what you want, though I would suggest using pip to do it rather than using setuptools directly (and using setup.cfg to store the metadata)
Using the -m flag and running as a package works too (but will turn out a bit awkward if you want to convert your working directory into an ...
How to overload __init__ method based on argument type?
...se classmethods. For instance:
>>> class MyData:
... def __init__(self, data):
... "Initialize MyData from a sequence"
... self.data = data
...
... @classmethod
... def fromfilename(cls, filename):
... "Initialize MyData from a file"
... dat...
How to determine the version of the C++ standard used by the compiler?
...structs to determine such things:
/*Define Microsoft Visual C++ .NET (32-bit) compiler */
#if (defined(_M_IX86) && defined(_MSC_VER) && (_MSC_VER >= 1300)
...
#endif
/*Define Borland 5.0 C++ (16-bit) compiler */
#if defined(__BORLANDC__) && !defined(__WIN32__)
...