大约有 31,840 项符合查询结果（耗时：0.0231秒） [XML]
How to do multiple arguments to map function where one remains the same in python?
...
One option is a list comprehension:
[add(x, 2) for x in [1, 2, 3]]
More options:
a = [1, 2, 3]
import functools
map(functools.partial(add, y=2), a)
import itertools
map(add, a, itertools.repeat(2, len(a)))
...
RabbitMQ and relationship between channel and connection
...plication without overloading the broker with TCP connections.
You can use one Channel for everything. However, if you have multiple threads, it's suggested to use a different Channel for each thread.
Channel thread-safety in Java Client API Guide:
Channel instances are safe for use by multipl...
simple explanation PHP OOP vs Procedural?
...ose "chunks" of code.
Long No-Jargon Answer:
Procedural vs OOP is just one aspect of a fundamental issue of computer programming: how to make your code easy to understand and a piece of cake to professionally maintain. You can actually write "Procedural" code that follows some of the principles ...
How can you do anything useful without mutable state?
...ut functional programming lately, and I can understand most of it, but the one thing I just can't wrap my head around is stateless coding. It seems to me that simplifying programming by removing mutable state is like "simplifying" a car by removing the dashboard: the finished product may be simpler...
Comparing two dictionaries and checking how many (key, value) pairs are equal
... 3)), (('c', 3), ('b', 2)), (('b', 2), ('d', 4))]
The difference is only one item, but your algorithm will see that all items are different
share
|
improve this answer
|
fo...
What are the differences between virtual memory and physical memory?
...pecific implementations of virtual memory, most likely paging. There is no one way to do paging - there are many implementations and the one your textbook describes is likely not the same as the one that appears in real OSes like Linux/Windows - there are probably subtle differences.
I could blab a...
Why does dividing two int not yield the right value when assigned to double?
...int. In order to use the double version, which returns a double, at least one of the ints must be explicitly casted to a double.
c = a/(double)b;
share
|
improve this answer
|
...
How to get a list of installed android applications and pick one to run
...nderstanding how to get a list of all installed applications and then pick one to run.
17 Answers
...
Should functions return null or an empty object?
...ctions. Is it better to return a Null or an empty object? And why should one do one over the other?
31 Answers
...
How to force 'cp' to overwrite directory instead of creating another one inside?
...
just in case anyone is tripped up by this it won't work with OSX cp developer.apple.com/library/mac/documentation/Darwin/Reference/…
– dnfehren
Mar 18 '16 at 19:07
...