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Math - mapping numbers
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Markus Dresch
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answered Dec 5 '08 at 21:28
PeterAllenWebbPet...
基于PECL OAuth打造微博应用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...lse;
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}
?>
注意：为了让代码潮一点，用了一些PHP5.3以上版本才有的特性，可以改写成低版本。
如果使用CURL方式发送请求的话，最好发送一个空的Expect头，否则如果POST数据大于1K，CURL会自作主张发送Expect:100-continue头，对...
Why does sizeof(x++) not increment x?
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From the C99 Standard (the emphasis is mine)
6.5.3.4/2
The sizeof operator yields the size (in bytes) of its operand, which may be an expression or the parenthesized name of a type. The size is determined from the type of the operand. The result is an integer. If the t...
How do I read the source code of shell commands?
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ZagoraxZagorax
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2
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Is there a fixed sized queue which removes excessive elements?
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edited May 23 '17 at 12:02
Community♦
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answered Dec 26 '09 at 17:08
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How to convert an array of strings to an array of floats in numpy?
... list_of_strings)) (or equivalently, use a list comprehension). (In Python 3, you'll need to call list on the map return value if you use map, since map returns an iterator now.)
However, if it's already a numpy array of strings, there's a better way. Use astype().
import numpy as np
x = np.array...
psql: FATAL: database “” does not exist
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answered Jul 29 '13 at 23:40
Kirk RoybalKirk Roybal
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Extracting extension from filename in Python
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Yes. Use os.path.splitext(see Python 2.X documentation or Python 3.X documentation):
>>> import os
>>> filename, file_extension = os.path.splitext('/path/to/somefile.ext')
>>> filename
'/path/to/somefile'
>>> file_extension
'.ext'
Unlike most manual s...
How do you add an array to another array in Ruby and not end up with a multi-dimensional result?
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edited Jul 23 '14 at 19:10
answered Nov 26 '09 at 5:09
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Using awk to print all columns from the nth to the last
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edited Apr 8 '15 at 13:01
fedorqui 'SO stop harming'
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