大约有 47,000 项符合查询结果（耗时：0.0646秒） [XML]
Find the max of two or more columns with pandas
...d
import perfplot
np.random.seed(0)
df_ = pd.DataFrame(np.random.randn(5, 1000))
perfplot.show(
setup=lambda n: pd.concat([df_] * n, ignore_index=True),
kernels=[
lambda df: df.assign(new=df.max(axis=1)),
lambda df: df.assign(new=df.values.max(1)),
lambda df: df.ass...
How does RegexOptions.Compiled work?
...gex;
TimeAction(item.Name + " interpreted uncached single match (x1000)", 1000, () =>
{
regex = new Regex(item.Pattern);
regex.Match(item.Matches[i++ % item.Matches.Length]);
});
i = 0;
TimeAction(item.Name + " compiled uncached si...
Get the Row(s) which have the max count in groups using groupby
... 2
2 MM1 S3 cb 5
3 MM2 S3 mk 8
4 MM2 S4 bg 10
5 MM2 S4 dgd 1
6 MM4 S2 rd 2
7 MM4 S2 cb 2
8 MM4 S2 uyi 7
In [2]: df.groupby(['Mt'], sort=False)['count'].max()
Out[2]:
Mt
S1 3
S3 8
S4 10
S2 7
Name: count
To get the...
Proper way to implement IXmlSerializable?
...
102
Yes, GetSchema() should return null.
IXmlSerializable.GetSchema Method This
method is re...
How to define custom exception class in Java, the easiest way?
...
|
edited Sep 23 '10 at 9:09
Matthew Murdoch
28.1k2525 gold badges8686 silver badges124124 bronze badges
...
Multiple simultaneous downloads using Wget?
...
gmariangmarian
2,30511 gold badge1010 silver badges88 bronze badges
27
...
@Media min-width & max-width
... @media only screen and (min-device-width: 481px) and (max-device-width: 1024px) and (orientation:portrait) {
/* For portrait layouts only */
}
@media only screen and (min-device-width: 481px) and (max-device-width: 1024px) and (orientation:landscape) {
/* For landscape layout...
Shell - How to find directory of some command?
...
answered May 20 '10 at 1:14
Paused until further notice.Paused until further notice.
286k8181 gold badges340340 silver badges409409 bronze badges
...
How to sort with lambda in Python
...
answered Sep 22 '10 at 5:48
kennytmkennytm
451k9292 gold badges980980 silver badges958958 bronze badges
...
How to use cURL to send Cookies?
...
simhumileco
17.8k1010 gold badges9393 silver badges8484 bronze badges
answered Apr 14 '13 at 5:32
daydreamerdaydreamer...