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Difference between map, applymap and apply methods in Pandas
...lambda x: x.max() - x.min()
In [119]: frame.apply(f)
Out[119]:
b 1.133201
d 1.965980
e 2.829781
dtype: float64
Many of the most common array statistics (like sum and mean) are DataFrame methods,
so using apply is not necessary.
Element-wise Python functions can be used, to...
Using braces with dynamic variable names in PHP
...me logic?
– dtakis
Sep 16 '13 at 13:20
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C# Convert List to Dictionary
...
|
edited Jul 20 '12 at 14:28
answered Jul 20 '12 at 14:11
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php each与list的用法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...量进行赋值。
来看一个例子：
<?php
list($a,$b)=array(10,20);
echo $a,'~',$b,'<br />';
//返回10~20
?>
没错可以给一组变量赋值
再来看另外一个例子：
<?php
list($a,$b,,$c)=array(2=>10,3=>20,4=>30,1=>40);
echo $a,'~',$b,'~',$c,'<br />';
//返回notice...
Add st, nd, rd and th (ordinal) suffix to a number
...2th
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42 4...
Array to String PHP?
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answered Sep 20 '11 at 19:14
Niet the Dark AbsolNiet the Dark Absol
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Drawing a dot on HTML5 canvas [duplicate]
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answered Oct 18 '11 at 20:29
Simon SarrisSimon Sarris
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Best way to turn an integer into a month name in c#?
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answered Oct 20 '08 at 16:01
Nick BerardiNick Berardi
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Reshaping data.frame from wide to long format
...es:
> long
Code Country year value
1: AFG Afghanistan 1950 20,249
2: ALB Albania 1950 8,097
3: AFG Afghanistan 1951 21,352
4: ALB Albania 1951 8,986
5: AFG Afghanistan 1952 22,532
6: ALB Albania 1952 10,058
7: AFG Afghanistan 1953 23,557
8: ALB Albania...
Why does the expression 0 < 0 == 0 return False in Python?
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answered May 20 '11 at 15:25
OmnifariousOmnifarious
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