大约有 30,000 项符合查询结果(耗时:0.0394秒) [XML]
What is the best (idiomatic) way to check the type of a Python variable? [duplicate]
...se collections.Mapping instead of dict as per the ABC PEP.
def value_list(m>x m>):
if isinstance(m>x m>, dict):
return list(set(m>x m>.values()))
elif isinstance(m>x m>, basestring):
return [m>x m>]
else:
return None
...
RE error: illegal byte sequence on Mac OS m>X m>
I'm trying to replace a string in a Makefile on Mac OS m>X m> for cross-compiling to iOS. The string has embedded double quotes. The command is:
...
What's the pythonic way to use getters and setters?
...he sample code is:
class C(object):
def __init__(self):
self._m>x m> = None
@property
def m>x m>(self):
"""I'm the 'm>x m>' property."""
print("getter of m>x m> called")
return self._m>x m>
@m>x m>.setter
def m>x m>(self, value):
print("setter of m>x m> called")
self._...
YAML mime type?
...
Ruby on Rails uses application/m>x m>-yaml with an alternative of tem>x m>t/yaml (source).
I think it's just a matter of convention, there is no technical why, as far as I can tell.
share
...
How to add an object to an array
How can I add an object to an array (in javascript or jquery)?
For em>x m>ample, what is the problem with this code?
13 Answ...
Can I call a constructor from another constructor (do constructor chaining) in C++?
...onwards has this same feature (called delegating constructors).
The syntam>x m> is slightly different from C#:
class Foo {
public:
Foo(char m>x m>, int y) {}
Foo(int y) : Foo('a', y) {}
};
C++03: No
Unfortunately, there's no way to do this in C++03, but there are two ways of simulating this:
You ...
Definitive way to trigger keypress events with jQuery
...
I added an em>x m>ample for triggering the event
– Nadia Alramli
May 6 '09 at 23:05
4
...
How do you perform a left outer join using linq em>x m>tension methods
... foo => foo.Foo_Id,
bar => bar.Foo_Id,
(m>x m>,y) => new { Foo = m>x m>, Bars = y })
.SelectMany(
m>x m> => m>x m>.Bars.DefaultIfEmpty(),
(m>x m>,y) => new { Foo=m>x m>.Foo, Bar=y});
...
Placement of the asterisk in pointer declarations
...lly a death-trap then? Is there any specification or further reading that em>x m>plains why int* test,test2 only makes the first variable a pointer?
– Michael Stum♦
Oct 7 '08 at 21:06
...
Simple em>x m>planation of MapReduce?
...ry number, in this case, the function to "double every number" is function m>x m> = m>x m> * 2. And without mappings, I could write a simple loop, say
A = [1, 2, 3]
foreach (item in A) A[item] = A[item] * 2
and I'd have A = [2, 4, 6] but instead of writing loops, if I have a map function I could write
A =...
