大约有 11,287 项符合查询结果(耗时:0.0232秒) [XML]
Returning the product of a list
...
Without using lambda:
from operator import mul
reduce(mul, list, 1)
it is better and faster. With python 2.7.5
from operator import mul
import numpy as np
import numexpr as ne
# from functools import reduce # python3 compatibility
a = ra...
Are JavaScript strings immutable? Do I need a “string builder” in JavaScript?
Does javascript use immutable or mutable strings? Do I need a "string builder"?
10 Answers
...
How can I check if a scrollbar is visible?
Is it possible to check the overflow:auto of a div?
19 Answers
19
...
How does JavaFX compare to WPF? [closed]
I'm mostly a C# programmer, I stopped writing Java about 10 years ago, but I try to keep up with the technology in Java by reading articles, talking with friends, etc.
...
How to format a float in javascript?
...he code isn't self-explanatory.
edit: ...or just use toFixed, as proposed by Tim Büthe. Forgot that one, thanks (and an upvote) for reminder :)
share
|
improve this answer
|
...
Should I use != or for not equal in T-SQL?
I have seen SQL that uses both != and <> for not equal . What is the preferred syntax and why?
14 Answers
...
How to make an empty div take space
...
it works if you remove floating. http://jsbin.com/izoca/2/edit
with floats it only works if theres some content e.g. &nbsp;
share
|
improve this answer
...
How can I detect if this dictionary key exists in C#?
I am working with the Exchange Web Services Managed API, with contact data. I have the following code, which is functional , but not ideal:
...
How to get subarray from array?
I have var ar = [1, 2, 3, 4, 5] and want some function getSubarray(array, fromIndex, toIndex) , that result of call getSubarray(ar, 1, 3) is new array [2, 3, 4] .
...
Select first row in each GROUP BY group?
...I'd like to select the first row of each set of rows grouped with a GROUP BY .
17 Answers
...