大约有 40,000 项符合查询结果（耗时：0.0481秒） [XML]
How do I concatenate or merge arrays in Swift?
...building a new array
let c = a + b
print(c) // [1.0, 2.0, 3.0, 4.0, 5.0, 6.0]
or append one array to the other with += (or append):
a += b
// Or:
a.append(contentsOf: b) // Swift 3
a.appendContentsOf(b) // Swift 2
a.extend(b) // Swift 1.2
print(a) // [1.0, 2.0, 3.0, 4.0, 5.0,...
Elegant ways to support equivalence (“equality”) in Python classes
...ult uses the object identifiers for comparison operations:
id(n1) # 140400634555856
id(n2) # 140400634555920
Overriding the __eq__ function seems to solve the problem:
def __eq__(self, other):
"""Overrides the default implementation"""
if isinstance(other, Number):
return self.nu...
How to retrieve a module's path?
...
Roman Orac
8761010 silver badges1616 bronze badges
answered Oct 29 '08 at 23:57
orestisorestis
...
Accessing class variables from a list comprehension in the class definition
...
246
Class scope and list, set or dictionary comprehensions, as well as generator expressions do not ...
`staticmethod` and `abc.abstractmethod`: Will it blend?
...
answered Dec 17 '10 at 20:26
Rosh OxymoronRosh Oxymoron
16.7k55 gold badges3535 silver badges4242 bronze badges
...
Stop pip from failing on single package when installing with requirements.txt
...
6 Answers
6
Active
...
How to initialize all members of an array to the same value?
...
1276
Unless that value is 0 (in which case you can omit some part of the initializer
and the correspo...
Define a lambda expression that raises an Exception
...
6 Answers
6
Active
...
How to get a reference to a module inside the module itself?
...loading.
– bukzor
Oct 21 '13 at 22:26
add a comment
|
...
Can I use __init__.py to define global variables?
...
Willem Van Onsem
269k2525 gold badges254254 silver badges355355 bronze badges
answered Sep 5 '09 at 12:57
Jason R. Coom...