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Transposing a NumPy array
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answered May 10 '11 at 18:36
Joe KingtonJoe Kington
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How to determine if binary tree is balanced?
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answered Feb 1 '10 at 16:33
Eric LippertEric Lippert
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static const vs #define
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RobertS supports Monica Cellio
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answered Oct 28 '09 at 13:49
T.E.D.T.E.D.
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C++ lambda with captures as a function pointer
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3
A cleaner solution is to wrap the lambda inside an adapter, assuming that the function pointer has a context parameter.
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C++ sorting and keeping track of indexes
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305
Using C++ 11 lambdas:
#include <iostream>
#include <vector>
#include <numeric&...
Alphabet range in Python
...y', 'z']
And to do it with range
>>> list(map(chr, range(97, 123))) #or list(map(chr, range(ord('a'), ord('z')+1)))
['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z']
Other helpful string module features:
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How do I do base64 encoding on iOS?
..., 'p', 'q', 'r', 's', 't', 'u', 'v',
'w', 'x', 'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '+', '/'
};
@implementation NSString (NSStringAdditions)
+ (NSString *) base64StringFromData: (NSData *)data length: (int)length {
unsigned long ixtext, lentext;
long ctremaining;
uns...
Convert a row of a data frame to vector
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edited Oct 30 '19 at 16:15
answered Jan 23 '13 at 16:42
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Why use ICollection and not IEnumerable or List on many-many/one-many relationships?
... ICollection<> (MSDN: http://msdn.microsoft.com/en-us/library/92t2ye13.aspx) for a list of objects that needs to be iterated through and modified, List<> for a list of objects that needs to be iterated through, modified, sorted, etc (See here for a full list: http://msdn.microsoft.com/en...
C++特化模板函数的符号多重定义错误问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
...数名可以在多个函数模板声明或定义之间被重复使用.
3.模板参数在函数参数表中可以出现的次数没有限制
4.一个模板的定义和多个声明所使用的模板参数名无需相同
5.如果一个函数模板有一个以上的模板类型参数,则每...