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What is the difference between Python's list methods append and extend?
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append: Appends object at the end.
x = [1, 2, 3]
x.append([4, 5])
print (x)
gives you: [1, 2, 3, [4, 5]]
extend: Extends list by appending elements from the iterable.
x = [1, 2, 3]
x.extend([4, 5])
print (x)
gives you: [1, 2, 3, 4, 5]
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C# LINQ find duplicates in List
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601
The easiest way to solve the problem is to group the elements based on their value, and then pic...
How to get the value from the GET parameters?
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Math.random() explanation
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165
int randomWithRange(int min, int max)
{
int range = (max - min) + 1;
return (int)(M...
From ND to 1D arrays
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Use np.ravel (for a 1D view) or np.ndarray.flatten (for a 1D copy) or np.ndarray.flat (for an 1D iterator):
In [12]: a = np.array([[1,2,3], [4,5,6]])
In [13]: b = a.ravel()
In [14]: b
Out[14]: array([1, 2, 3, 4, 5, 6])
Note that ravel() ret...
Google Maps API 3 - Custom marker color for default (dot) marker
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栈和队列的面试题Java实现 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...成对出现来考察。本文包含栈和队列的如下考试内容：（1）栈的创建（2）队列的创建（3）两个栈实现一...栈和队列：
面试的时候，栈和队列经常会成对出现来考察。本文包含栈和队列的如下考试内容：
（1）栈的创建
（2）...
C/C++ maximum stack size of program
I want to do DFS on a 100 X 100 array. (Say elements of array represents graph nodes) So assuming worst case, depth of recursive function calls can go upto 10000 with each call taking upto say 20 bytes. So is it feasible means is there a possibility of stackoverflow?
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Convert to/from DateTime and Time in Ruby
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You'll need two slightly different conversions.
To convert from Time to DateTime you can ame...