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What Haskell representation is recommended for 2D, unboxed pixel arrays with millions of pixels?
...e indexing.
In Repa, your triple of shorts would have the type:
Array DIM3 Word16
That is, a 3D array of Word16s.
For bitonal images I will need to store only 1 bit per pixel.
UArrays pack Bools as bits, Vector uses the instance for Bool which does do bit packing, instead using a representatio...
How do I run a Python program in the Command Prompt in Windows 7?
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Test if a vector contains a given element
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answered Jul 23 '09 at 2:25
medriscollmedriscoll
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How can I run MongoDB as a Windows service?
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Ry-♦
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answered Mar 13 '10 at 14:58
Stephen CurranStephen Curran
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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
... echo $tmp[0],'~',$tmp[1],'<br />';
}
/*
返回
0~你
1~若
2~安
3~好
4~便
5~是
6~晴
7~天
*/
?>
2.list的用法
先看api是怎么说的：像 array() 一样，这不是真正的函数，而是语言结构。list()用一步操作给一组变量进行赋值。
来看一个...
Matrix Transpose in Python
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310
Python 2:
>>> theArray = [['a','b','c'],['d','e','f'],['g','h','i']]
>>> zi...
Get class that defined method
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Aaron Hall♦
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answered Jun 7 '09 at 2:23
Alex MartelliAlex Martelli
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What happens if I define a 0-size array in C/C++?
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Keith Thompson
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answered Mar 15 '12 at 15:38
LundinLundin
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How efficient can Meteor be while sharing a huge collection among many clients?
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edited Mar 7 '13 at 23:19
Dror
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What are copy elision and return value optimization?
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answered Oct 18 '12 at 11:03
Luchian GrigoreLuchian Grigore
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