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Python文摘:Unicode and Character Sets
原文地址:https://www.joelonsoftware.com/2003/10/08/the-absolute-minimum-every-software-developer-absolutely-positively-must-know-about-unicode-and-charact ...
分类:编程语言   时间:2018-11-25 20:04:46    阅读次数:206
1018 Public Bike Management
There is a public bike service in Hangzhou City which provides great convenience to the tourists from all over the world. One may rent a bike at any s ...
分类:其他好文   时间:2018-11-25 16:09:39    阅读次数:156
缓存淘汰策略之LRU
LRU(Least recently used,最近最少使用)算法根据数据的历史访问记录来进行淘汰数据,其核心思想是“如果数据最近被访问过,那么将来被访问的几率也更高”。 1. 新数据插入到链表头部; 2. 每当缓存命中(即缓存数据被访问),则将数据移到链表头部; 3. 当链表满的时候,将链表尾部的 ...
分类:其他好文   时间:2018-11-25 11:46:01    阅读次数:88
#Leetcode# 53. Maximum Subarray
https://leetcode.com/problems/maximum-subarray/ Given an integer array nums, find the contiguous subarray (containing at least one number) which has t ...
分类:其他好文   时间:2018-11-21 19:42:36    阅读次数:190
LinkedHashMap实现LRU算法
LinkedHashMap特别有意思,它不仅仅是在HashMap上增加Entry的双向链接,它更能借助此特性实现保证Iterator迭代按照插入顺序(以insert模式创建LinkedHashMap)或者实现LRU(Least Recently Used最近最少算法,以access模式创建Linke ...
分类:编程语言   时间:2018-11-21 16:11:08    阅读次数:221
存在重复元素
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 the arr ...
分类:其他好文   时间:2018-11-21 15:52:32    阅读次数:150
Tomcat启动/关闭的时候,遇到At least one JAR was scanned for TLDs yet contained no TLDs问题的解决办法
1、控制台错误提示如下: At least one JAR was scanned for TLDs yet contained no TLDs 07-Mar-2017 11:00:21.970 INFO [RMI TCP Connection(2)-127.0.0.1] org.apache.ja ...
分类:编程语言   时间:2018-11-20 13:22:52    阅读次数:1597
LAD-lasso和线性规划算法
本文参考资料列表: 【1】Robust Regression Shrinkage and Consistent Variable Selection Through the LAD-Lasso 【2】维基百科 https://en.wikipedia.org/wiki/Least_absolute_ ...
分类:编程语言   时间:2018-11-17 22:18:58    阅读次数:226
leetcode dp
53. Maximum Subarray Given an integer array nums, find the contiguous subarray (containing at least one number) which has the largest sum and return i ...
分类:其他好文   时间:2018-11-17 19:13:51    阅读次数:196
随机梯度下降分类器和回归器
随机梯度下降分类器并不是一个独立的算法,而是一系列利用随机梯度下降求解参数的算法的集合。 from sklearn.linear_model import SGDClassifier clf = SGDClassifier(loss="hinge", penalty="l2") loss funct ...
分类:其他好文   时间:2018-11-16 22:35:16    阅读次数:258
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