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Do the JSON keys have to be surrounded by quotes?
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149
Yes, you need quotation marks. This is to make it simpler and to avoid having to have another e...
How to specify in crontab by what user to run script? [closed]
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MikeMike
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How to create a .NET DateTime from ISO 8601 format
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146
This solution makes use of the DateTimeStyles enumeration, and it also works with Z.
DateTime ...
How to replace a character by a newline in Vim
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edited Aug 31 at 13:48
answered Sep 16 '08 at 11:21
K...
从源代码剖析Mahout推荐引擎 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
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从上图中我们可以看到，算法是被模块化的，通过1,2,3,4的过程进行方法调用。
程序代码：
public class UserCF {
final static int NEIGHBORHOOD_NUM = 2;
final static int RECOMMENDER_NUM = 3;
public static void main(String[] args) throws IOExcept...
Get decimal portion of a number with JavaScript
... operations.
– Marcel Stör
Apr 2 '14 at 14:04
66
To avoid the floating point rounding problems n...
Why do we check up to the square root of a prime number to determine if it is prime?
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answered Apr 27 '11 at 22:04
Sven MarnachSven Marnach
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What is the best way to implement “remember me” for a website? [closed]
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4 Answers
4
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Something like 'contains any' for Java set?
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543
Wouldn't Collections.disjoint(A, B) work? From the documentation:
Returns true if the two s...
Can I position an element fixed relative to parent? [duplicate]
...position as you see fit.
For example:
#yourDiv { position:fixed; bottom:40px; right:40px; }
This will position yourDiv fixed relative to the web browser window, 40 pixels from the bottom edge and 40 pixels from the right edge.
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