大约有 4,900 项符合查询结果（耗时：0.0368秒） [XML]
How can I check whether a numpy array is empty or not?
... edited Oct 14 '18 at 20:17
André C. Andersen
6,67733 gold badges3636 silver badges5959 bronze badges
answered Jul 2 '12 at 14:38
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Git log to get commits only for a specific branch
...833280bbc7102cb6d4fcf62240cd3ac4
|\ Merge: c3f45e8 0459a35
| | Author: José Lorenzo Rodríguez <lorenzo@users.noreply.github.com>
| | Date: Tue Aug 30 08:01:59 2016 +0200
| |
| | Merge pull request #9367 from cakephp/fewer-allocations
| |
| | Do fewer allocations for simple default...
Insert new column into table in sqlite?
...k of understanding of how an RDBMS works.
– Vada Poché
May 17 '17 at 5:17
add a comment
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Fastest hash for non-cryptographic uses?
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if you have the benefit/luxury of a newer Intel cpu, there is a crc32c assembly command that is...probably really fast (though isn't the traditional crc32 value). See also xxhash code.google.com/p/xxhash
– rogerdpack
Dec 2 '13 at 20:...
Comparison of Android networking libraries: OkHTTP, Retrofit, and Volley [closed]
...ess your data using ByteString and Buffer to do some clever things to save CPU and memory. (FYI: This reminds me of the Koush's OIN library with NIO support!)
We can use Retrofit together with RxJava to combine and chain REST calls using rxObservables to avoid ugly callback chains (to avoid callback...
What is an xs:NCName type and when should it be used?
... I think this is missing lots of allowed characters like, for example, é or ø.
– Eric Bloch
Jul 19 '13 at 16:05
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Make virtualenv inherit specific packages from your global site-packages
... edited Sep 17 '14 at 0:14
Sébastien
10.1k1111 gold badges4545 silver badges6565 bronze badges
answered Aug 22 '12 at 20:12
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Push existing project into Github
...life after all the other options failed! :D
– Sara Inés Calderón
Aug 4 '16 at 21:48
2
Great exp...
How to hide output of subprocess in Python 2.7
...portError:
import os
DEVNULL = open(os.devnull, 'wb')
text = u"René Descartes"
p = Popen(['espeak', '-b', '1'], stdin=PIPE, stdout=DEVNULL, stderr=STDOUT)
p.communicate(text.encode('utf-8'))
assert p.returncode == 0 # use appropriate for your program error handling here
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Lock, mutex, semaphore… what's the difference?
...r of threads to enter, this can be used for example to limit the number of cpu, io or ram intensive tasks running at the same time.
For a more detailed post about the differences between mutex and semaphore read here.
You also have read/write locks that allows either unlimited number of readers or...