大约有 41,210 项符合查询结果（耗时：0.0390秒） [XML]
What's the difference between @Secured and @PreAuthorize in spring security 3?
...
axtavtaxtavt
223k3636 gold badges481481 silver badges466466 bronze badges
...
Formula to determine brightness of RGB color
... → sqrt( 0.299*R^2 + 0.587*G^2 + 0.114*B^2 ) (thanks to @MatthewHerbst) [3]
share
|
improve this answer
|
follow
|
...
Append integer to beginning of list in Python [duplicate]
...
833
>>>var=7
>>>array = [1,2,3,4,5,6]
>>>array.insert(0,var)
>>>...
Which characters need to be escaped when using Bash?
...|
edited May 29 '17 at 15:34
answered Nov 18 '13 at 16:47
J...
How to empty/destroy a session in rails?
...ides.rubyonrails.org/security.html#session-expiry
– m33lky
Feb 24 '12 at 7:14
add a comment
|
...
Should I use document.createDocumentFragment or document.createElement
...
|
edited Aug 3 '14 at 13:39
answered Aug 3 '10 at 14:04
...
Calculate difference between two datetimes in MySQL
...
3 Answers
3
Active
...
Why should we NOT use sys.setdefaultencoding(“utf-8”) in a py script?
...
143
As per the documentation: This allows you to switch from the default ASCII to other encodings su...
How to delete migration files in Rails 3
...
Chris Frederick
5,00033 gold badges3232 silver badges3939 bronze badges
answered Oct 6 '10 at 16:56
Fábio BatistaFábio B...
Remove rows with duplicate indices (Pandas DataFrame and TimeSeries)
...
I would suggest using the duplicated method on the Pandas Index itself:
df3 = df3[~df3.index.duplicated(keep='first')]
While all the other methods work, the currently accepted answer is by far the least performant for the provided example. Furthermore, while the groupby method is only slightly les...