大约有 47,000 项符合查询结果(耗时:0.0692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...
Freely convert between List and IEnumerable
...
– Vojislav Stojkovic
Jan 23 '09 at 13:11
@Vojislav - I was meaning in the context of the earlier example ending with ToL...
What is the difference between 'content' and 'text'
...
11
It seems clear from the documentation is that r.content
You can also access the response body ...
Can a local variable's memory be accessed outside its scope?
...tally that is the subject of today's blog post:
https://ericlippert.com/2011/06/23/ref-returns-and-ref-locals/
Why do we use stacks to manage memory? Are value types in C# always stored on the stack? How does virtual memory work? And many more topics in how the C# memory manager works. Many of thes...
How I can delete in VIM all text from current line to end of file?
...
answered Nov 14 '11 at 16:22
Ed GuinessEd Guiness
32.7k1616 gold badges9999 silver badges140140 bronze badges
...
Get specific line from text file using just shell script
...
answered Oct 11 '13 at 21:40
KentKent
166k2929 gold badges194194 silver badges257257 bronze badges
...
Is there a naming convention for Django apps
...
112
They must be valid package names. That rules out 2 ("import my-django-app" would be a syntax e...
AngularJS validation with no enclosing
... |
edited Nov 9 '14 at 11:54
Community♦
111 silver badge
answered Aug 16 '14 at 18:30
...
How to use random in BATCH script?
...
answered Apr 25 '11 at 10:46
mousiomousio
9,02144 gold badges2828 silver badges4040 bronze badges
...
Android: Background Image Size (in Pixel) which Support All Devices
...
Community♦
111 silver badge
answered Nov 5 '12 at 9:00
Veerababu MedisettiVeerababu Medisetti
...
