大约有 42,000 项符合查询结果（耗时：0.0612秒） [XML]
Android: set view style programmatically
...
13 Answers
13
Active
...
Convert NSDate to NSString
... |
edited Feb 25 '19 at 13:17
Sunil Targe
6,39755 gold badges3939 silver badges7070 bronze badges
answe...
How to run multiple DOS commands in parallel?
...
3 Answers
3
Active
...
python pandas: Remove duplicates by columns A, keeping the row with the highest value in column B
...]: df.drop_duplicates(subset='A', keep="last")
Out[10]:
A B
1 1 20
3 2 40
4 3 10
You can do also something like:
In [12]: df.groupby('A', group_keys=False).apply(lambda x: x.loc[x.B.idxmax()])
Out[12]:
A B
A
1 1 20
2 2 40
3 3 10
...
Disable messages upon loading a package
...-12-22)
Copyright (C) 2011 The R Foundation for Statistical Computing
ISBN 3-900051-07-0
Platform: x86_64-pc-linux-gnu (64-bit)
[...]
R> suppressMessages(library(ROCR))
R> # silently loaded
R> search()
[1] ".GlobalEnv" "package:ROCR" ...
How can I change the cache path for npm (or completely disable the cache) on Windows?
...
163
You can change npm cache folder using the npm command line. (see : https://docs.npmjs.com/misc/c...
Having the output of a console application in Visual Studio instead of the console
...
53
In the Tools -> Visual Studio Options Dialog -> Debugging -> Check the "Redirect All O...
Can an Option in a Select tag carry multiple values?
... <select name="">
<option value='{"num_sequence":[0,1,2,3]}'>Option one</option>
<option value='{"foo":"bar","one":"two"}'>Option two</option>
</select>
Edited (3 years after answering) to put both values into JSON format (using JSON.string...
Difference between .success() and .complete()?
...
answered Mar 9 '11 at 3:14
arnorhsarnorhs
10k22 gold badges3131 silver badges3838 bronze badges
...
Require either of two arguments using argparse
...
307
I think you are searching for something like mutual exclusion (at least for the second part of...