So, here comes the iio subsystem new to Linux Kernel, at least for me, present for for supporting some of the composite sensors in Android.Some introd...
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系统相关 时间:
2014-12-23 18:57:25
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293
协同过滤显示vs隐式反馈参数调整实例教程协同过滤协同过滤是推荐系统的常用方法。可以填充user-item相关矩阵中的缺失值。MLlib支持基于模型的协同过滤,即使用能够预测缺失值的一个隐藏因素集合来表示用户和产品。MLlib使用交替做小二乘法(alternating least squares, A...
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其他好文 时间:
2014-12-23 12:01:42
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386
题目:
Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations: get and set.
get(key) - Get the value (will always be positive) of th...
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其他好文 时间:
2014-12-23 00:22:19
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227
Maximum SubarrayFind the contiguous subarray within an array (containing at least one number) which has the largest sum.For example, given the array [...
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其他好文 时间:
2014-12-20 20:51:21
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Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations:getandset.get(key)- Get the valu...
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系统相关 时间:
2014-12-20 15:32:13
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217
(下文内容为转载,不过已经不清楚原创的是哪里了,特此说明)转自:http://www.cnblogs.com/dotLive/archive/2006/10/09/524633.html该网址下面有更多的讨论。最小二乘法(least squares analysis)是一种 数学 优化 技术,它通过...
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其他好文 时间:
2014-12-20 12:54:35
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216
一:交叉验证(crossvalidation)(附实验的三种方法)方法简介
(1) 定义:交叉验证(Cross-validation)主要用于建模应用中,例如PCR(Principal Component Regression) 、PLS(Partial
least squares regression)回归建模中。在给定的建模样本中,拿出大部分样本进行建模型,留小部分样本用刚建立的...
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其他好文 时间:
2014-12-18 11:59:28
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175
WindowsEvery iOS application needs at least one window—an instance of theUIWindowclass—and some may include more than one window. A window object has ...
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移动开发 时间:
2014-12-16 14:54:52
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273
Yesterday, my teacher taught us about math: +, -, *, /, GCD, LCM... As you know, LCM (Least common multiple) of two positive numbers can be solved easily because of a * b = GCD (a, b)
* LCM (a, b).
...
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其他好文 时间:
2014-12-15 23:38:50
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Find the contiguous subarray within an array (containing at least one number) which has the largest product.For example, given the array[2,3,-2,4],the...
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其他好文 时间:
2014-12-15 23:31:49
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214