大约有 47,000 项符合查询结果(耗时:0.0635秒) [XML]
Naming returned columns in Pandas aggregate function? [duplicate]
...om.load_data('Loblolly')
print(data.head())
# height age Seed
# 1 4.51 3 301
# 15 10.89 5 301
# 29 28.72 10 301
# 43 41.74 15 301
# 57 52.70 20 301
df = data.groupby('Seed').agg(
{'age':['sum'],
'height':['mean', 'std']})
print(df.head())
# age h...
How do I get class name in PHP?
...
answered Sep 24 '14 at 13:06
DadoDado
3,24911 gold badge2020 silver badges1919 bronze badges
...
Does C have a “foreach” loop construct?
... Johannes Schaub - litbJohannes Schaub - litb
453k112112 gold badges830830 silver badges11501150 bronze badges
...
Creating a Radial Menu in CSS
... than the background on the root element).
2015 demo
Screenshots
Chrome 43:
Firefox 38:
IE 11:
Code
The HTML is pretty simple. I'm using the checkbox hack to reveal/ hide the menu.
<input type='checkbox' id='t'/>
<label for='t'>✰</label>
<ul>
<li><...
Safe String to BigDecimal conversion
...
answered Sep 20 '10 at 14:54
Jeroen RosenbergJeroen Rosenberg
4,13422 gold badges2323 silver badges3737 bronze badges
...
Multi-Line Comments in Ruby?
...
Konstantin HaaseKonstantin Haase
24.2k22 gold badges5252 silver badges5757 bronze badges
...
How do I use Assert to verify that an exception has been thrown?
...
– Ruben Bartelink
Jun 25 '09 at 10:48
29
This attribute gets the job done and is a built-in feat...
Finding the max/min value in an array of primitives using Java
...blic static void main(String[] args) {
char[] a = {'3', '5', '1', '4', '2'};
List b = Arrays.asList(ArrayUtils.toObject(a));
System.out.println(Collections.min(b));
System.out.println(Collections.max(b));
}
}
Note that Arrays.asList() wraps the underlying array...
What difference does .AsNoTracking() make?
...
Ladislav MrnkaLadislav Mrnka
345k5656 gold badges638638 silver badges653653 bronze badges
...
