大约有 39,265 项符合查询结果（耗时：0.0437秒） [XML]
Detect if a NumPy array contains at least one non-numeric value?
...
print " %.2f s" % timeit.Timer(m, s).timeit(1000), m
Results:
0.11 s numpy.isnan(a).any()
3.75 s any(numpy.isnan(x) for x in a.flatten())
Bonus: it works fine for non-array NumPy types:
>>> a = numpy.float64(42.)
>>> numpy.isnan(a).any()
False
>>> a = numpy...
Bash empty array expansion with `set -u`
...
11 Answers
11
Active
...
How to set UITextField height?
...
Benjohn
11.6k77 gold badges5353 silver badges106106 bronze badges
answered Dec 27 '11 at 5:48
ManjunathManjun...
Scanning Java annotations at runtime [closed]
...
answered Sep 12 '09 at 15:11
Arthur RonaldArthur Ronald
30.8k1717 gold badges104104 silver badges135135 bronze badges
...
.classpath and .project - check into version control or not?
...
Community♦
111 silver badge
answered May 12 '10 at 14:19
VonCVonC
985k405405 gold badges3...
Advantages of std::for_each over for loop
...
The nice thing with C++11 (previously called C++0x), is that this tiresome debate will be settled.
I mean, no one in their right mind, who wants to iterate over a whole collection, will still use this
for(auto it = collection.begin(); it != colle...
What's a Good Javascript Time Picker? [closed]
...
11 Answers
11
Active
...
How do the post increment (i++) and pre increment (++i) operators work in Java?
...iannakakis
95k2323 gold badges152152 silver badges191191 bronze badges
5
...
Get elements by attribute when querySelectorAll is not available without using libraries?
...
Vinay Aggarwal
1,30811 gold badge99 silver badges1818 bronze badges
answered Feb 29 '12 at 9:32
kevinfahykevinfahy
...
How do you share code between projects/solutions in Visual Studio?
...
pupeno
246k110110 gold badges310310 silver badges500500 bronze badges
answered Jul 12 '09 at 17:31
ilivewithiani...