今天主要学习了K-means算法,又过了遍Andrew教授的coursera视频,弄明白了Action书上的算法.困难出现在实例练习,申请Yahoo place finder API获得了appid,但不确定是否要收费,反正案例使用时没有返回像书上出现的结果,也不确定问题是否出现在json加载时编解码出现问题,感觉八成还是API的问题. 网上遍寻API相关文章命中问题的几乎没有,估计需要再理理思路,联系下专家.另,在搜索答案中了解阿里云也提供类似Place finder经纬度的查询,也可一试.目…

using System;using System.Collections.Generic;using System.IO;using System.Linq;using System.Web;using System.Windows.Forms; namespace Web_Cassini.Day3{    /// <summary>    /// notice1 的摘要说明    /// </summary>    public class notice1 : IHttpHan…

using Console_Core.BLL; using Console_Core.Common; using Console_Core.Model; using System; using System.Collections.Generic; using System.Linq; using System.Web; namespace Web_Cassini.Day3 { /// <summary> /// studenteidt 的摘要说明 /// </summary> p…

Summary of Critical and Exploitable iOS Vulnerabilities in 2016 Author:Min (Spark) Zheng, Cererdlong, Eakerqiu @ Team OverSky 0x00 Introduction iOS security is far more fragile than you believe. And there are lots of critical and exploitable iOS vuln…

前面的话 HTML5不仅新增了语义型区块级元素及表单类元素,也新增了一些其他的功能性元素,这些元素由于浏览器支持等各种原因,并没有被广泛使用 文档描述 <details>主要用于描述文档或文档某个部分的细节,与<summary>配合使用可以为<details>定义标题.标题是可见的,用户点击标题时,显示出details [注意]这两个标签只有chrome和opera支持 <details> 该标签仅有一个open属性,用来定义details是否可见(默认为不…

Given a sorted integer array without duplicates, return the summary of its ranges. For example, given [0,1,2,4,5,7], return ["0->2","4->5","7"]. Credits:Special thanks to @jianchao.li.fighter for adding this problem and…

Network Basic Commands Summary set or modify hostname a)     temporary ways hostname NEW_HOSTNAME, but if you reboot your system, it will disabled. b)    permanent ways: edit "/etc/sysconfig/network" HOSTNAME, then restart system, it will effect…

30.13 Summary Network management protocols allow a manager to monitor and control routers and hosts. A network management client program executing on the manager's workstation contacts one or more servers, called agents, running on the devices to be…

==> Downloading https://homebrew.bintray.com/bottles/nginx-1.10.1.el_capitan.bot######################################################################## 100.0%==> Pouring nginx-1.10.1.el_capitan.bottle.tar.gz==> CaveatsDocroot is: /usr/local/var/…

Design and implement a data structure for Least Frequently Used (LFU) cache. It should support the following operations: get and set. get(key) - Get the value (will always be positive) of the key if the key exists in the cache, otherwise return -1. s…