<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[illfm的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/illfm</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; illfm]]></copyright><item><title><![CDATA[[工具] Sublime Text 2 设置]]></title><link>https://blog.youkuaiyun.com/illfm/article/details/39099455</link><guid>https://blog.youkuaiyun.com/illfm/article/details/39099455</guid><author>illfm</author><pubDate>Sat, 06 Sep 2014 10:51:20 +0800</pubDate><description><![CDATA[网址：http://tmtheme-editor.herokuapp.com/#/theme/Monokai]]></description><category></category></item><item><title><![CDATA[Debian 使用帮助]]></title><link>https://blog.youkuaiyun.com/illfm/article/details/38878163</link><guid>https://blog.youkuaiyun.com/illfm/article/details/38878163</guid><author>illfm</author><pubDate>Wed, 27 Aug 2014 22:01:57 +0800</pubDate><description><![CDATA[1. 软件源更新：
    

Debian镜像使用帮助]]></description><category></category></item><item><title><![CDATA[XPath 语法（如何使用dom4j中的selectNodes函数）]]></title><link>https://blog.youkuaiyun.com/illfm/article/details/37668337</link><guid>https://blog.youkuaiyun.com/illfm/article/details/37668337</guid><author>illfm</author><pubDate>Thu, 10 Jul 2014 21:07:45 +0800</pubDate><description><![CDATA[http://www.w3school.com.cn/xpath/xpath_syntax.asp]]></description><category></category></item><item><title><![CDATA[计算机术语 - Artifact]]></title><link>https://blog.youkuaiyun.com/illfm/article/details/22515891</link><guid>https://blog.youkuaiyun.com/illfm/article/details/22515891</guid><author>illfm</author><pubDate>Sat, 29 Mar 2014 21:04:52 +0800</pubDate><description><![CDATA[An artifact is one of many kinds of tangible by-products produced during the development of software. Some artifacts (e.g., use cases, class diagrams, and other Unified Modeling Language (UML) models,]]></description><category></category></item><item><title><![CDATA[鼠标右键怎么清除Catalyst Control Center]]></title><link>https://blog.youkuaiyun.com/illfm/article/details/20733209</link><guid>https://blog.youkuaiyun.com/illfm/article/details/20733209</guid><author>illfm</author><pubDate>Fri, 07 Mar 2014 20:46:36 +0800</pubDate><description><![CDATA[开始→运行→regedit→找到
HKEY_CLASSES_ROOT\Directory\Background\shellex\ContextMenuHandlers\ACE
→双击并修改其键值 可以删除 也可以在其前面加“--”[无引号] 此为注释符号 将其数值注释掉了

无需重启 直接就能看到 右键菜单里的Catalyst Control Center项已经不在了]]></description><category></category></item><item><title><![CDATA[如何安装windows7/8/8.1（各种方法）]]></title><link>https://blog.youkuaiyun.com/illfm/article/details/20720355</link><guid>https://blog.youkuaiyun.com/illfm/article/details/20720355</guid><author>illfm</author><pubDate>Fri, 07 Mar 2014 16:54:23 +0800</pubDate><description><![CDATA[RT：

http://www.jb51.net/os/Windows8/111764.html]]></description><category></category></item><item><title><![CDATA[utorrent红种：由于系统缓冲区空间不足或者队列已满...]]></title><link>https://blog.youkuaiyun.com/illfm/article/details/20714391</link><guid>https://blog.youkuaiyun.com/illfm/article/details/20714391</guid><author>illfm</author><pubDate>Fri, 07 Mar 2014 15:46:54 +0800</pubDate><description><![CDATA[解决方案：

http://support.microsoft.com/kb/Q196271]]></description><category></category></item><item><title><![CDATA[Windows下 Apache + PHP 配置]]></title><link>https://blog.youkuaiyun.com/illfm/article/details/20002821</link><guid>https://blog.youkuaiyun.com/illfm/article/details/20002821</guid><author>illfm</author><pubDate>Wed, 26 Feb 2014 22:12:00 +0800</pubDate><description><![CDATA[1. 安装Apache服务器（installer版本停止更新）：
    http://mirror.sdunix.com/apache//httpd/binaries/win32/httpd-2.2.25-win32-x86-openssl-0.9.8y.msi
2. 安装PHP（installer版本停止更新）：
    http://windows.php.net/downloads/]]></description><category></category></item><item><title><![CDATA[Cohen's d 效应量计算]]></title><link>https://blog.youkuaiyun.com/illfm/article/details/19917181</link><guid>https://blog.youkuaiyun.com/illfm/article/details/19917181</guid><author>illfm</author><pubDate>Tue, 25 Feb 2014 15:40:44 +0800</pubDate><description><![CDATA[Cohen's 
d is an 
effect size used to indicate the standardised difference between two means. It can be used, for example, to accompany reporting of
t-test and

ANOVA results. It is also widely u]]></description><category></category></item><item><title><![CDATA[Eclipse PHP 插件配置]]></title><link>https://blog.youkuaiyun.com/illfm/article/details/18887899</link><guid>https://blog.youkuaiyun.com/illfm/article/details/18887899</guid><author>illfm</author><pubDate>Fri, 31 Jan 2014 14:27:25 +0800</pubDate><description><![CDATA[Eclipse PHP插件安装完毕后想要能在Eclipse下正常启动和关闭Apache需做如下配置
打开window-> preferences]]></description><category></category></item><item><title><![CDATA[Eclipse PHP 中 启动apache 出错]]></title><link>https://blog.youkuaiyun.com/illfm/article/details/18887865</link><guid>https://blog.youkuaiyun.com/illfm/article/details/18887865</guid><author>illfm</author><pubDate>Fri, 31 Jan 2014 14:22:15 +0800</pubDate><description><![CDATA[Eclipse 安装 PHP插件后，在PHP模式下启动apache时虽然可以正常启动apache但是会报如下错误：]]></description><category></category></item><item><title><![CDATA[大数据 取样]]></title><link>https://blog.youkuaiyun.com/illfm/article/details/16586103</link><guid>https://blog.youkuaiyun.com/illfm/article/details/16586103</guid><author>illfm</author><pubDate>Sun, 17 Nov 2013 21:34:50 +0800</pubDate><description><![CDATA[// 对于大数据，如几个G的csv文件，如何随机抽取一定量的数据（并保持有序）是个复杂的问题
// 这段代码并不能做到随机取样，紧紧只是每十个数据取第一个数据而已
// 如有更加高效且随机的方法，欢迎留言~

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
im]]></description><category></category></item><item><title><![CDATA[R语言 数据分割和选取]]></title><link>https://blog.youkuaiyun.com/illfm/article/details/16360565</link><guid>https://blog.youkuaiyun.com/illfm/article/details/16360565</guid><author>illfm</author><pubDate>Sat, 16 Nov 2013 20:24:43 +0800</pubDate><description><![CDATA[]]></description><category></category></item><item><title><![CDATA[Perl 环境变量设置]]></title><link>https://blog.youkuaiyun.com/illfm/article/details/15503901</link><guid>https://blog.youkuaiyun.com/illfm/article/details/15503901</guid><author>illfm</author><pubDate>Tue, 12 Nov 2013 15:58:32 +0800</pubDate><description><![CDATA[以安装Understand为例：
若想在cmd中运行任意目录下的perl脚本，需在系统环境变量Path中加入C:\Program Files\SciTools\bin\pc-win64（该目录下含有uperl.exe）]]></description><category></category></item><item><title><![CDATA[R语言对矩阵按某一列排序]]></title><link>https://blog.youkuaiyun.com/illfm/article/details/15218349</link><guid>https://blog.youkuaiyun.com/illfm/article/details/15218349</guid><author>illfm</author><pubDate>Sun, 10 Nov 2013 22:52:02 +0800</pubDate><description><![CDATA[a <- c(5,4,3,2,1)
b <- c(1,2,3,4,5)
c 


c[order(c[,1]),] #按第一列递增排序]]></description><category></category></item><item><title><![CDATA[overfitting(过拟合)的概念]]></title><link>https://blog.youkuaiyun.com/illfm/article/details/14518779</link><guid>https://blog.youkuaiyun.com/illfm/article/details/14518779</guid><author>illfm</author><pubDate>Fri, 08 Nov 2013 10:56:14 +0800</pubDate><description><![CDATA[最近几天在看模式识别方面的资料，多次遇到“overfitting”这个概念，最终觉得以下解释比较容易接受，就拿出来分享下。


overfittingt是这样一种现象：一个假设在训练数据上能够获得比其他假设更好的拟合，但是在训练数据外的数据集上却不能很好的拟合数据。此时我们就叫这个假设出现了overfitting的现象。出现这种现象的主要原因是训练数据中存在噪音或者训练数据太少。而解决ove]]></description><category></category></item><item><title><![CDATA[Full Flush C语言实现]]></title><link>https://blog.youkuaiyun.com/illfm/article/details/14225285</link><guid>https://blog.youkuaiyun.com/illfm/article/details/14225285</guid><author>illfm</author><pubDate>Wed, 06 Nov 2013 12:20:32 +0800</pubDate><description><![CDATA[#include "stdafx.h"
#include "stdio.h"
#include "stdlib.h"
#include "string.h"

bool ok(char buf[])	{	//判断一个串是不是整数串
	if ( strlen(buf) != 14 ) {
		return false;
	}
	int i;
	for(i=0; buf[i]; i++) {
		if]]></description><category></category></item><item><title><![CDATA[关于C指针]]></title><link>https://blog.youkuaiyun.com/illfm/article/details/14223995</link><guid>https://blog.youkuaiyun.com/illfm/article/details/14223995</guid><author>illfm</author><pubDate>Wed, 06 Nov 2013 11:07:12 +0800</pubDate><description><![CDATA[C/C++中，char*变量指向一块内存，长度只能在初始化时知道，运行时无法获得其长度，因而可能导致越界。]]></description><category></category></item><item><title><![CDATA[如何让获取当前小时]]></title><link>https://blog.youkuaiyun.com/illfm/article/details/14124181</link><guid>https://blog.youkuaiyun.com/illfm/article/details/14124181</guid><author>illfm</author><pubDate>Mon, 04 Nov 2013 14:34:55 +0800</pubDate><description><![CDATA[以前可以用
Date d = new Date();
System.out.println(d.getHours());
现在是
Calendar cal = Calendar.getInstance();
System.out.println(cal.get(Calendar.HOUR_OF_DAY));]]></description><category></category></item><item><title><![CDATA[关于java中的clone()函数]]></title><link>https://blog.youkuaiyun.com/illfm/article/details/14123893</link><guid>https://blog.youkuaiyun.com/illfm/article/details/14123893</guid><author>illfm</author><pubDate>Mon, 04 Nov 2013 14:22:03 +0800</pubDate><description><![CDATA[在java中，对于数组而言：
        1. int[] a = b.clone(); b的修改对a不造成任何影响，反之亦然。
        2. int[][] a = b.clone; a为b的引用，无自己的空间。修改任意一方均会对另一方造成影响。]]></description><category></category></item></channel></rss>