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Sort a list by multiple attributes?
... can be a function that returns a tuple:
s = sorted(s, key = lambda x: (x[1], x[2]))
Or you can achieve the same using itemgetter (which is faster and avoids a Python function call):
import operator
s = sorted(s, key = operator.itemgetter(1, 2))
And notice that here you can use sort instead of...
Determining if a variable is within range?
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if i.between?(1, 10)
do thing 1
elsif i.between?(11,20)
do thing 2
...
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C语言面试那些事儿──一道指针与数组问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
...题首先看如下代码：int main(int argc, char** argv){ int a[5] = {1,2,3,4,5}; int* ptr = (int*)(&a + 1); ...首先看如下代码：
int main(int argc, char** argv)
{
int a[5] = {1,2,3,4,5};
int* ptr = (int*)(&a + 1);
printf("%d,%d\n", *(a+1), *(ptr-1));
return 0...
Regular Expression to reformat a US phone number in Javascript
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12 Answers
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HTML5 Canvas Resize (Downscale) Image High Quality?
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14 Answers
14
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Sort points in clockwise order?
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195
First, compute the center point.
Then sort the points using whatever sorting algorithm you lik...
C#操作XML小结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...i]);
//为指定节点的新建属性并赋值
node.SetAttribute("id","11111");
//为指定节点添加子节点
root.AppendChild(node);
//获取指定节点的指定属性值
string id=node.Attributes["id"].Value;
//获取指定节点中的文本
string content=node.InnerText;
//...
Javascript reduce on array of objects
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15 Answers
15
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Finding last occurrence of substring in string, replacing that
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163
This should do it
old_string = "this is going to have a full stop. some written sstuff!"
k = ...
Python - Create list with numbers between 2 values?
...es I put in?
For example, the following list is generated for values from 11 to 16:
11 Answers
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