大约有 800 项符合查询结果（耗时：0.0086秒） [XML]
The opposite of Intersect()
...d Apr 11 '11 at 10:56
Øyvind BråthenØyvind Bråthen
52.2k2525 gold badges113113 silver badges138138 bronze badges
...
Delete last char of string
...blem should not exist if you dont create a trailing char. Check @Øyvind Bråthen solution if you are in OP's boat.
– aloisdg moving to codidact.com
Jun 6 '18 at 9:48
add a co...
Getting distance between two points based on latitude/longitude
...any hills they fly over, of course!).
Haversine
formula: a = sin²(Δφ/2) + cos φ1 ⋅ cos φ2 ⋅ sin²(Δλ/2)
c = 2 ⋅ atan2( √a, √(1−a) )
d = R ⋅ c
where φ is latitude, λ is longitude, R is earth’s radius (mean radius = 6,371km);
note that angles need ...
Is there a minlength validation attribute in HTML5?
... Aug 12 '13 at 11:02
Ali ÇarıkçıoğluAli Çarıkçıoğlu
1,24611 gold badge1212 silver badges2121 bronze badges
...
How to list only top level directories in Python?
....walk timeit(os.walk(os.getcwd()).next()[1]) 1000 loops, best of 3: 734 µs per loop timeit(filter(os.path.isdir, os.listdir(os.getcwd()))) 1000 loops, best of 3: 477 µs per loop
– B.Kocis
May 18 '16 at 14:19
...
How can I obtain the element-wise logical NOT of a pandas Series?
... True]*10000)
In [10]: %timeit np.invert(s)
10000 loops, best of 3: 91.8 µs per loop
In [11]: %timeit ~s
10000 loops, best of 3: 73.5 µs per loop
In [12]: %timeit (-s)
10000 loops, best of 3: 73.5 µs per loop
As of Pandas 0.13.0, Series are no longer subclasses of numpy.ndarray; they are no...
Find running median from a stream of integers
...icient way to calculate a percentile of a stream that I have found is the P² algorithm: Raj Jain, Imrich Chlamtac: The P² Algorithm for Dynamic Calculation of Quantiiles and Histograms Without Storing Observations. Commun. ACM 28(10): 1076-1085 (1985)
The algorithm is straight forward to implemen...
How does Stack Overflow generate its SEO-friendly URLs?
...uld be nice with a version that doesn't just drop accented characters like åäö but instead deaccentuate them to aao... ^^
– Oskar Duveborn
Nov 16 '09 at 20:48
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Git “error: The branch 'x' is not fully merged”
...n the commits that you're about un-reference by deleting that other branch.²
You will want to verify that you in fact aren't missing any vital commits:
git log --graph --left-right --cherry-pick --oneline master...experiment
This will give you a list of any nonshared between the branches. In case ...
Create Directory When Writing To File In Node.js
...-extra. If you don't want to install a package, please see Tiago Peres França's answer below.
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