大约有 1,067 项符合查询结果（耗时：0.0416秒） [XML]
Why were pandas merges in python faster than data.table merges in R in 2012?
...b issue to remind me to optimize that case (github.com/wesm/pandas/issues/682)
– Wes McKinney
Jan 26 '12 at 19:36
14
...
Angular JS: What is the need of the directive’s link function when we already had directive’s contro
...
82
Why controllers are needed
The difference between link and controller comes into play when you...
Benchmarking (python vs. c++ using BLAS) and (numpy)
...6 ms | 295 ms | 460 ms |
GotoBlas2 (8 CPUs)| 741 ms | 2914 ms | 82 ms | 262 ms | 192 ms |
Mac OS X (1 CPU) | 948 ms | 4339 ms | 151 ms | 318 ms | 566 ms |
Mac Server (1 CPU)| 1033 ms | 3645 ms | 99 ms | 232 ms | 342 ms |
Installation
Installation of MKL include...
How does data binding work in AngularJS?
...
82
This is my basic understanding. It may well be wrong!
Items are watched by passing a function...
Are PDO prepared statements sufficient to prevent SQL injection?
...
823
The short answer is NO, PDO prepares will not defend you from all possible SQL-Injection attac...
What is a magic number, and why is it bad? [closed]
...
82
Just because a magic number will never change doesn't mean it shouldn't be replaced by a constant. My code is full of global constants like...
Git - Difference Between 'assume-unchanged' and 'skip-worktree'
...
BorealidBorealid
82.4k88 gold badges9898 silver badges115115 bronze badges
...
Is there a way to detect if an image is blurry?
...
82
During some work with an auto-focus lens, I came across this very useful set of algorithms for ...
Why should we NOT use sys.setdefaultencoding(“utf-8”) in a py script?
... not in range(128)
(My console is configured as UTF-8, so "€" = '\xe2\x82\xac', hence exception on \xe2)
or
UnicodeEncodeError: 'ascii' codec can't encode character u'\u20ac' in position 0: ordinal not in range(128)
sys.setdefaultencoding("utf-8") will allow these to work for me, but won't n...
Why doesn't Java allow overriding of static methods?
...
Nathan HughesNathan Hughes
82k1919 gold badges154154 silver badges239239 bronze badges
...