大约有 39,550 项符合查询结果（耗时：0.0516秒） [XML]
See my work log in jira
...
answered Apr 20 '18 at 12:38
Shridhar LShridhar L
36933 silver badges44 bronze badges
...
Find row where values for column is maximal in a pandas DataFrame
...73626
1 0.140767 0.394940 1.068890
2 0.742023 1.343977 -0.579745
3 2.125299 -0.649328 -0.211692
4 -0.187253 1.908618 -1.862934
>>> df['A'].argmax()
3
>>> df['B'].argmax()
4
>>> df['C'].argmax()
1
Alternatively you could also use numpy.argmax, such as numpy.argmax...
What characters are allowed in an email address?
...t to john.smith@example.com.
In addition to ASCII characters, as of 2012 you can use international characters above U+007F, encoded as UTF-8 as described in the RFC 6532 spec and explained on Wikipedia. Note that as of 2019, these standards are still marked as Proposed, but are being rolled ou...
Using DISTINCT and COUNT together in a MySQL Query
... a list like
count(*) productid
----------------------
5 12345
3 93884
9 93493
This allows you to see how many of each distinct productid ID is associated with the keyword.
...
Replacing a fragment with another fragment inside activity group
...
12 Answers
12
Active
...
How should one go about choosing a default TCP/IP port for a new service?
...
12 Answers
12
Active
...
How to stretch the background image to fill a div
...
answered Jun 27 '12 at 10:00
hendos43hendos43
1,65011 gold badge1111 silver badges1313 bronze badges
...
Difference between CR LF, LF and CR line break types?
...
answered Oct 12 '09 at 4:52
PeterPeter
108k4646 gold badges166166 silver badges203203 bronze badges
...
HTML5 canvas ctx.fillText won't do line breaks?
...
Simon SarrisSimon Sarris
56k1212 gold badges123123 silver badges155155 bronze badges
...
Returning multiple values from a C++ function
...
12
If you're going to use tuples, why not use them for pairs as well. Why have a special case?
– Ferruccio
...