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Regularized Linear Regression with scikit-learn
Regularized Linear Regression with scikit-learnEarlier we covered Ordinary Least Squares regression. In this posting we will build upon this foundatio...
分类:其他好文   时间:2015-06-29 21:51:57    阅读次数:115
Contains Duplicate
Description:Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twic...
分类:其他好文   时间:2015-06-28 00:04:17    阅读次数:322
(译)如何在sql中选取每一组的第一行/最后行/前几行
转载请注明:TheViperhttp://www.cnblogs.com/TheViper部分翻译自How to select the first/least/max row per group in SQL一些常见的sql问题有着类似的解决方法,比如:查找每个程序最近的日志,查找每个商品分类中最受...
分类:数据库   时间:2015-06-27 21:15:02    阅读次数:163
【LeetCode】LRU Cache 解决报告
插话:只写了几个连续的博客,博客排名不再是实际“远在千里之外”该。我们已经进入2一万内。再接再厉。油!Design and implement a data structure for Least Recently Used (LRU) cache. It should support the fo...
分类:系统相关   时间:2015-06-25 16:59:59    阅读次数:131
[LeetCode] LRU Cache
Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations:getandset.get(key)- Get the valu...
分类:系统相关   时间:2015-06-25 13:37:40    阅读次数:152
53. Maximum Subarray
Find the contiguous subarray within an array (containing at least one number) which has the largest sum.For example, given the array[?2,1,?3,4,?1,2,1,...
分类:其他好文   时间:2015-06-25 10:17:54    阅读次数:133
LruCache缓存方法
package android.util; public class LruCache { public LruCache(int maxSize){} ... }LRU是Least Recently Used 近期最少使用算法。内存管理的一种页面置换算法,对于在内存中但又不用的数据块(内存块)叫做LRU,操作系统会根据哪些数据属于LRU而将其移出内存. 明白了LRU,...
分类:系统相关   时间:2015-06-24 16:23:18    阅读次数:141
LeetCode152:Maximum Product Subarray
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 contiguous subarray [2,3] has the largest produ...
分类:其他好文   时间:2015-06-23 23:15:40    阅读次数:144
leetcode | Maximum Subarray 最大连续子序列的和
Maximum Subarray: https://leetcode.com/problems/maximum-subarray/ Find the contiguous subarray within an array (containing at least one number) which has the largest sum.For example, given the array [...
分类:其他好文   时间:2015-06-23 13:40:52    阅读次数:145
Contains Duplicate
题目描述:Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twice in th...
分类:其他好文   时间:2015-06-23 13:10:08    阅读次数:319
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