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Is an empty href valid?
...s. An empty string may be a URI reference.
HTML 4.01
HTML 4.01 uses RFC 2396, where it says in section 4.2. Same-document References (bold emphasis mine):
A URI reference that does not contain a URI is a reference to the current document. In other words, an empty URI reference within a docume...
What is __future__ in Python used for and how/when to use it, and how it works
...ase, // calls __floordiv__().)
Apropos print: print becomes a function in 3.x, losing its special property as a keyword. So it is the other way round.
>>> print
>>> from __future__ import print_function
>>> print
<built-in function print>
>>>
...
How to vertically center content with variable height within a div?
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edited Sep 9 '17 at 9:43
answered Dec 27 '14 at 0:15
Bla...
Calling class staticmethod within the class body?
...s Foo(object):
... @staticmethod
... def foo():
... return 3
... global z
... z = foo
>>> z
<staticmethod object at 0x0000000002E40558>
>>> Foo.foo
<function foo at 0x0000000002E3CBA8>
>>> dir(z)
['__class__', '__delattr__', '__doc__', ...
Build a Basic Python Iterator
... return self.current
raise StopIteration
for c in Counter(3, 9):
print(c)
This will print:
3
4
5
6
7
8
This is easier to write using a generator, as covered in a previous answer:
def counter(low, high):
current = low
while current < high:
yield current
...
__lt__ instead of __cmp__
...
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edited Jun 30 '09 at 2:07
answered Jun 30 '09 at 1:28
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Python (and Python C API): __new__ versus __init__
...
139
The difference mainly arises with mutable vs immutable types.
__new__ accepts a type as the fi...
what does the __file__ variable mean/do?
...
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edited Jun 13 at 5:19
answered Feb 14 '12 at 3:55
...
Implementing slicing in __getitem__
...m__(self, val):
... print val
...
>>> c = C()
>>> c[3]
3
>>> c[3:4]
slice(3, 4, None)
>>> c[3:4:-2]
slice(3, 4, -2)
>>> c[():1j:'a']
slice((), 1j, 'a')
share
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What are “first class” objects?
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edited May 23 '17 at 12:26
community wiki
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