大约有 39,000 项符合查询结果（耗时：0.0834秒） [XML]
Finding Number of Cores in Java
...
744
int cores = Runtime.getRuntime().availableProcessors();
If cores is less than one, either yo...
What is the right way to override a setter method in Ruby on Rails?
...======================================================
Update: July 19, 2017
Now the Rails documentation is also suggesting to use super like this:
class Model < ActiveRecord::Base
def attribute_name=(value)
# custom actions
###
super(value)
end
end
=========================...
Regex to match a digit two or four times
...ruakhruakh
149k2121 gold badges234234 silver badges275275 bronze badges
1
...
How do CUDA blocks/warps/threads map onto CUDA cores?
...nits. For more details on execution units and instruction dispatch see 1 p.7-10 and 2.
4'. There is a mapping between laneid (threads index in a warp) and a core.
5'. If a warp contains less than 32 threads it will in most cases be executed the same as if it has 32 threads. Warps can have less tha...
Hour from DateTime? in 24 hours format
...
278
You can get the desired result with the code below. Two'H' in HH is for 24-hour format.
return...
How to vertical align an inline-block in a line of text?
...
answered May 31 '11 at 17:06
MidasMidas
6,59555 gold badges2828 silver badges5151 bronze badges
...
sqlite alter table add MULTIPLE columns in a single statement
...
|
edited Feb 8 '17 at 14:32
Community♦
111 silver badge
answered May 30 '11 at 6:19
...
Accessing outside variable using anonymous function as params
...
answered Dec 6 '11 at 17:15
XaerxessXaerxess
24.7k77 gold badges7878 silver badges9999 bronze badges
...
Is there a way to follow redirects with command line cURL?
...
782
Use the location header flag:
curl -L <URL>
...
Python pandas Filtering out nan from a data selection of a column of strings
...e at least two non-NaN.
Then you could then drop where name is NaN:
In [87]:
nms
Out[87]:
movie name rating
0 thg John 3
1 thg NaN 4
3 mol Graham NaN
4 lob NaN NaN
5 lob NaN NaN
[5 rows x 3 columns]
In [89]:
nms = nms.dropna(thresh=2)
In [...