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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
...们将基于单机内存算法，研究Mahout的推荐引擎的结构。
2. 标准化的程序开发过程
以UserCF的推荐算法为例，官方建议我们的开发过程：
图片摘自Mahout in Action
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...
Is there a way to recover from an accidental “svn revert”?
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edited Jul 7 '15 at 12:51
answered Oct 5 '09 at 17:36
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Concept of void pointer in C programming
...ype must be aligned at boundary of the size of data type (e.g. pointer to 32-bit integer must be aligned at 4-byte boundary to be dereferenced).
For example, reading uint16_t from void*:
/* may receive wrong value if ptr is not 2-byte aligned */
uint16_t value = *(uint16_t*)ptr;
/* portable way of...
What's the difference between Task.Start/Wait and Async/Await?
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answered Mar 1 '12 at 16:04
Eric LippertEric Lippert
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Java Regex Capturing Groups
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255
The issue you're having is with the type of quantifier. You're using a greedy quantifier in yo...
How do I add a delay in a JavaScript loop?
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edited Apr 22 at 17:33
double-beep
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Hour from DateTime? in 24 hours format
... this DateTime? and what i want to do is to obtain the hour but show it in 24 hours format.
For example:
If the hour is 2:20:23 p.m. i want to convert it to 14:20 and that's it.
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Check if a file exists with wildcard in shell script [duplicate]
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21 Answers
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Is there a way to automatically build the package.json file for Node.js projects
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answered Dec 5 '12 at 17:22
Ore4444Ore4444
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How can I open Java .class files in a human-readable way?
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jd-gui is the best decompiler at the moment. it can handle newer features in Java, as compared...