<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[Piasy的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/Piasy</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; Piasy]]></copyright><item><title><![CDATA[mac安装scapy]]></title><link>https://blog.youkuaiyun.com/Piasy/article/details/44219631</link><guid>https://blog.youkuaiyun.com/Piasy/article/details/44219631</guid><author>Piasy</author><pubDate>Thu, 12 Mar 2015 11:39:43 +0800</pubDate><description><![CDATA[0. brew tap Homebrew/python
1. brew install scapy；
2. libdnet安装会有问题，curl无法下载，所以先手动下载，然后将其移动到brew的缓存目录（brew --cache）；
3. 运行scapy会报几个info，逐一安装，有些使用pip不能自动安装，需要先下载压缩包，然后直接pip install ；
4. 运行OK]]></description><category></category></item><item><title><![CDATA[python pip从本地文件安装插件]]></title><link>https://blog.youkuaiyun.com/Piasy/article/details/44219487</link><guid>https://blog.youkuaiyun.com/Piasy/article/details/44219487</guid><author>Piasy</author><pubDate>Thu, 12 Mar 2015 11:27:19 +0800</pubDate><description><![CDATA[pip install -f]]></description><category></category></item><item><title><![CDATA[Homebrew从本地文件安装软件]]></title><link>https://blog.youkuaiyun.com/Piasy/article/details/44219237</link><guid>https://blog.youkuaiyun.com/Piasy/article/details/44219237</guid><author>Piasy</author><pubDate>Thu, 12 Mar 2015 11:15:35 +0800</pubDate><description><![CDATA[有时候会遇到有些文件curl下载不下来，导致brew不能正常工作，但是文件通过浏览器是可以下载的。
以下是解决方案：
1. 手动下载压缩文件（一定要下载brew提示下载失败的文件）；
2. 执行brew --cache获取brew缓存路径，将下载的文件放入缓存目录；
3. 重新执行安装命令，brew会发现缓存中有了文件，就不去下载了，OK。]]></description><category></category></item><item><title><![CDATA[mysql数据库中的索引有那些、有什么用]]></title><link>https://blog.youkuaiyun.com/Piasy/article/details/39275221</link><guid>https://blog.youkuaiyun.com/Piasy/article/details/39275221</guid><author>Piasy</author><pubDate>Sun, 14 Sep 2014 22:45:58 +0800</pubDate><description><![CDATA[转自：http://www.2cto.com/database/201212/173288.html





mysql数据库中的索引有那些、有什么用
 
本文主要讲述了如何加速动态网站的MySQL索引分析和优化。 
  www.2cto.com  
一、什么是索引？ 
 
索引用来快速地寻找那些具有特定值的记录，所有MySQL索引都以B-树的形式保存。如果没有索引，执行]]></description><category></category></item><item><title><![CDATA[C++ traits学习笔记（一）]]></title><link>https://blog.youkuaiyun.com/Piasy/article/details/38727971</link><guid>https://blog.youkuaiyun.com/Piasy/article/details/38727971</guid><author>Piasy</author><pubDate>Thu, 21 Aug 2014 12:10:21 +0800</pubDate><description><![CDATA[转自：http://www.cnblogs.com/youthlion/archive/2011/12/01/2255618.html]]></description><category></category></item><item><title><![CDATA[arch linux从AUR安装软件]]></title><link>https://blog.youkuaiyun.com/Piasy/article/details/37901321</link><guid>https://blog.youkuaiyun.com/Piasy/article/details/37901321</guid><author>Piasy</author><pubDate>Thu, 17 Jul 2014 09:50:54 +0800</pubDate><description><![CDATA[转自：http://raspberrypi.stackexchange.com/questions/510/how-do-i-install-packages-from-the-aur]]></description><category></category></item><item><title><![CDATA[node.js开发手记]]></title><link>https://blog.youkuaiyun.com/Piasy/article/details/37369753</link><guid>https://blog.youkuaiyun.com/Piasy/article/details/37369753</guid><author>Piasy</author><pubDate>Sun, 06 Jul 2014 20:50:53 +0800</pubDate><description><![CDATA[开始玩一玩node.js。
首先默认npm]]></description><category></category></item><item><title><![CDATA[解决zsh中无法正常使用home和end等键的问题]]></title><link>https://blog.youkuaiyun.com/Piasy/article/details/37347521</link><guid>https://blog.youkuaiyun.com/Piasy/article/details/37347521</guid><author>Piasy</author><pubDate>Sun, 06 Jul 2014 17:00:04 +0800</pubDate><description><![CDATA[在.zshrc中添加：

# key bindings
bindkey "\e[1~" beginning-of-line
bindkey "\e[4~" end-of-line
bindkey "\e[5~" beginning-of-history
bindkey "\e[6~" end-of-history
bindkey "\e[3~" delete-char
bindkey "\e[]]></description><category></category></item><item><title><![CDATA[php不安全函数列表]]></title><link>https://blog.youkuaiyun.com/Piasy/article/details/36934201</link><guid>https://blog.youkuaiyun.com/Piasy/article/details/36934201</guid><author>Piasy</author><pubDate>Fri, 04 Jul 2014 22:41:10 +0800</pubDate><description><![CDATA[以下php函数存在安全风险，可以考虑禁用：
apache_child_terminate, apache_setenv, define_syslog_variables, escapeshellarg, escapeshellcmd, eval, exec, fp, fput, ftp_connect, ftp_exec, ftp_get, ftp_login,
 ftp_nb_fput, f]]></description><category></category></item><item><title><![CDATA[seafile server源码编译安装教程]]></title><link>https://blog.youkuaiyun.com/Piasy/article/details/36480031</link><guid>https://blog.youkuaiyun.com/Piasy/article/details/36480031</guid><author>Piasy</author><pubDate>Wed, 02 Jul 2014 21:58:37 +0800</pubDate><description><![CDATA[seafile为一个开源的云存储系统，github地址：https://github.com/haiwen/seafile
实验室研究工作需要在此基础上实现一些新的东西，所以需要走对整个编辑->编译->部署->运行过程。首先是将现有版本进行后三步。
系统版本：微软azure云服务器，ubuntu 12.04 64位。


主要还是按照其官方wiki，https://github.com/]]></description><category></category></item><item><title><![CDATA[ubuntu 12.04安装PIL tesseract进行验证码识别]]></title><link>https://blog.youkuaiyun.com/Piasy/article/details/30455947</link><guid>https://blog.youkuaiyun.com/Piasy/article/details/30455947</guid><author>Piasy</author><pubDate>Fri, 13 Jun 2014 09:05:46 +0800</pubDate><description><![CDATA[转自：http://www.sandersnewmedia.com/why/2012/04/16/installing-pil-virtualenv-ubuntu-1204-precise-pangolin/]]></description><category></category></item><item><title><![CDATA[JAVA正则表达式之全部符号解释]]></title><link>https://blog.youkuaiyun.com/Piasy/article/details/27120019</link><guid>https://blog.youkuaiyun.com/Piasy/article/details/27120019</guid><author>Piasy</author><pubDate>Mon, 26 May 2014 23:14:39 +0800</pubDate><description><![CDATA[转自http://blog.youkuaiyun.com/skywolf2002/article/details/1527638






字符
描述


/
将下一个字符标记为一个特殊字符、或一个原义字符、或一个 向后引用、或一个八进制转义符。例如，'n' 匹配字符 "n"。'/n' 匹配一个换行符。序列 '//' 匹配 "/" 而 "/(" 则匹配 "("。


^
匹配]]></description><category></category></item><item><title><![CDATA[线程不安全函数]]></title><link>https://blog.youkuaiyun.com/Piasy/article/details/24230927</link><guid>https://blog.youkuaiyun.com/Piasy/article/details/24230927</guid><author>Piasy</author><pubDate>Mon, 21 Apr 2014 09:23:56 +0800</pubDate><description><![CDATA[多线程编程时一定要注意这样的问题，出了bu]]></description><category></category></item><item><title><![CDATA[virtualbox vmware虚拟机使用共享文件夹]]></title><link>https://blog.youkuaiyun.com/Piasy/article/details/23518051</link><guid>https://blog.youkuaiyun.com/Piasy/article/details/23518051</guid><author>Piasy</author><pubDate>Sat, 12 Apr 2014 10:46:39 +0800</pubDate><description><![CDATA[virtualbox：
windows客户机：创建共享文件夹后，在“ ”]]></description><category></category></item><item><title><![CDATA[Heritrix eclipse安装、配置]]></title><link>https://blog.youkuaiyun.com/Piasy/article/details/22150915</link><guid>https://blog.youkuaiyun.com/Piasy/article/details/22150915</guid><author>Piasy</author><pubDate>Wed, 26 Mar 2014 09:36:29 +0800</pubDate><description><![CDATA[部分转自：http://www.360doc.com/content/10/0913/18/2793979_53385587.shtml 
        下载最新版的heritrix1.14.4.zip和heritrix-1.14.4-src.zip。地址：http://sourceforge.net/projects/archive-crawler/files/archive-crawler]]></description><category></category></item><item><title><![CDATA[python开发工作环境]]></title><link>https://blog.youkuaiyun.com/Piasy/article/details/21033447</link><guid>https://blog.youkuaiyun.com/Piasy/article/details/21033447</guid><author>Piasy</author><pubDate>Tue, 11 Mar 2014 19:44:22 +0800</pubDate><description><![CDATA[1. 安装python-dev
2. 安装python-virtualenv，python-pip
3. 创建一个工程目录，进入之后运行：virtualenv env
4. source ./env/bin/activate，之后就能看到命令提示符前面出现了(env)字样。
5. pip install 需要的包
6. OK


总结：都说python很重要，但是如果遇到配置等等各]]></description><category></category></item><item><title><![CDATA[ubuntu下如何用命令行运行deb安装包]]></title><link>https://blog.youkuaiyun.com/Piasy/article/details/18883229</link><guid>https://blog.youkuaiyun.com/Piasy/article/details/18883229</guid><author>Piasy</author><pubDate>Thu, 30 Jan 2014 16:02:15 +0800</pubDate><description><![CDATA[转自：http://hi.baidu.com/xiboliya/blog/item/fee581d46cf5e41fa08bb7fb.html

如果ubuntu要安装新软件，已有deb安装包（例如：iptux.deb），但是无法登录到桌面环境。那该怎么安装？答案是：使用dpkg命令。
dpkg命令常用格式如下：
sudo dpkg -I iptux.deb#查看iptux.deb软件包的]]></description><category></category></item><item><title><![CDATA[安卓模拟器SDCARD read-only解决方法]]></title><link>https://blog.youkuaiyun.com/Piasy/article/details/17125709</link><guid>https://blog.youkuaiyun.com/Piasy/article/details/17125709</guid><author>Piasy</author><pubDate>Wed, 04 Dec 2013 20:49:29 +0800</pubDate><description><![CDATA[转自http://stackoverflow.com/questions/2083709/android-emulator-sdcard-push-error-read-only-file-system


$./adb shell

$su

mount -o rw,remount rootfs /

chmod 777 /mnt/sdcard

exit]]></description><category></category></item><item><title><![CDATA[linux下C语言errno]]></title><link>https://blog.youkuaiyun.com/Piasy/article/details/17071353</link><guid>https://blog.youkuaiyun.com/Piasy/article/details/17071353</guid><author>Piasy</author><pubDate>Mon, 02 Dec 2013 13:48:49 +0800</pubDate><description><![CDATA[转自http://www.virtsync.com/c-error-codes-include-errno


All the Linux/C error codes are listed below.

I occasionally google C error codes, but always end up grepping through /usr/include to find]]></description><category></category></item><item><title><![CDATA[windows重装后系列开发工具环境配置]]></title><link>https://blog.youkuaiyun.com/Piasy/article/details/17054419</link><guid>https://blog.youkuaiyun.com/Piasy/article/details/17054419</guid><author>Piasy</author><pubDate>Sun, 01 Dec 2013 11:17:43 +0800</pubDate><description><![CDATA[1. java+eclipse+android 
环境变量：JAVA_HOME   JDK所安装的路径
PATH  加入%JAVA_HOME%\bin;

CLASSPATH
  .;%JAVA_HOME%\lib\dt.jar;%JAVA_HOME%\lib\tools.jar;

eclipse安装adt插件


2.
 关闭windows自动维护（win8）
打开控制]]></description><category></category></item></channel></rss>