大约有 40,000 项符合查询结果（耗时：0.0517秒） [XML]
What's the function like sum() but for multiplication? product()?
...Older info: Python 3.7 and prior
The function you're looking for would be called prod() or product() but Python doesn't have that function. So, you need to write your own (which is easy).
Pronouncement on prod()
Yes, that's right. Guido rejected the idea for a built-in prod() function because he t...
Calculate the execution time of a method
...ch as JITing) causes varying execution times to occur. Therefore, realistically, for accurate measurements, the OP should be using a performance profiler.
– Matthew Layton
Dec 24 '12 at 9:56
...
Which is more preferable to use: lambda functions or nested functions ('def')?
...nction objects, but list comprehensions and generator expressions are generally more readable than those functions and can cover all use cases, without the need of lambdas.
For the cases you really need a small function object, you should use the operator module functions, like operator.add instea...
Override valueof() and toString() in Java enum
...o have spaces in them, but enums can't have spaces in their values so it's all bunched up. I want to override toString() to add these spaces where I tell it to.
...
Strip HTML from strings in Python
...those of you using newer versions of Python (3.2+) is that you'll need to call the parent class's __init__ function. See here: stackoverflow.com/questions/11061058/….
– pseudoramble
Aug 18 '13 at 17:54
...
How to have click event ONLY fire on parent DIV, not children?
... a little complex). In this case, because objects are being compared, it really doesn't make a difference, but you'll find that most people will still stick with the strict comparison.
– user1106925
Jul 9 '15 at 18:26
...
Open a buffer as a vertical split in VIM
...
I like that this command allows N to be autocompleted (which doesn't seem possible with the command in the other answer). Both upvoted, nevertheless.
– David Rivers
Jul 29 '15 at 21:44
...
How to get default gateway in Mac OSX
...sult thus looks like this:
192.168.195.1
In this case, netstat displays all result, grep only selects the line with 'default' in it, and awk further matches the pattern to display the second column in the text.
You can similarly use route -n get default command to get the required result. The fu...
Is it true that one should not use NSLog() on production code?
...
– Jean-Denis Muys
Sep 13 '10 at 14:32
|
show 5 more comments
...
How to terminate a Python script
...ed by raising the
SystemExit exception, so cleanup actions specified by finally clauses
of try statements are honored, and it is possible to intercept the
exit attempt at an outer level.
The optional argument arg can be an integer giving the exit status
(defaulting to zero), or another type of obj...