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based on

you need to install plugins blow:

My issues with Modules

In researching topics for RailsCasts I often read code in Rails and other gems. This is a great exercise to do. Not only will you pick up some coding tips, but it can help you better understand what makes code readable.

A common practice to organize code in gems is to divide it into modules. When this is done extensively I find it becomes very difficult to read. Before I explain further, a quick detour on instance_eval.

You can find instance_eval used in many DSLs: from routes to state machines. Here's an example from Thinking Sphinx.

class Article &lt; ActiveRecord::Base

	## 准备工作
	[从全新数据库开始](http://msdn.microsoft.com/en-us/data/jj193542)

	[从已有的数据库开始](http://msdn.microsoft.com/en-us/data/jj200620)

	值得注意的是需要安装Nuget和Power Tools两个插件,并且保证你的EF是5.0

	## 模型

	对于需要返回多个模型到同一个视图的情况，可以采用如下的方式：

	# this guide is based on http://ruby-china.org/wiki/install_ruby_guide and linuxmint
	# -------what'new-----
	# fixed some bug
	# add solution for common errors

	# 2013-10-17
	# install sqlite3
	sudo apt-get install libsqlite3-dev

	# 2013-8-15

	## config sources

	sudo vim /etc/apt/sources.list
	#网易源（速度很快）
	deb http://mirrors.163.com/ubuntu/ precise main universe restricted multiverse
	deb-src http://mirrors.163.com/ubuntu/ precise main universe restricted multiverse
	deb http://mirrors.163.com/ubuntu/ precise-security universe main multiverse restricted
	deb-src http://mirrors.163.com/ubuntu/ precise-security universe main multiverse restricted
	deb http://mirrors.163.com/ubuntu/ precise-updates universe main multiverse restricted
	deb http://mirrors.163.com/ubuntu/ precise-proposed universe main multiverse restricted

	#!/usr/bin/env ruby
	#encoding:utf-8

	require 'csv'
	require 'open-uri'
	require 'nokogiri'
	require 'date'

	def generate_url(date)
	"http://history.tianqizx.cn/his_1582_" + date.strftime('%Y/%-m/%-d') + ".aspx"

	//在controller和directive中定时修改作用域模型的方式
	app.controller('generalCtrl', ['$scope', function($scope) {
	$scope.pv = 0;
	//通过调用apply触发内部的direct循环，从而更新作用域和模型
	setInterval(function(){$scope.$apply()}, 1000);
	}])

	directives.directive('rtIp', function(){
	return function(scope, elm, attrs) {
	setInterval(function(){scope.pv = scope.pv + 1;}, 1000);

	export PATH=$HOME/local/bin:$PATH

	export PATH="$HOME/.rbenv/bin:$PATH"
	eval "$(rbenv init -)"

	#for git
	BASH_NEWLINE="\n"
	BASH_GRAY="\[\e[1;30m\]"
	BASH_LIGHT_GREEN="\[\e[1;32m\]"
	BASH_WHITE="\[\e[1;0m\]"

	#!/usr/bin/env ruby
	##encoding:utf-8

	require 'open-uri'
	require 'nokogiri'
	require 'stringio'

	def generate_cast_url(link)
	link + "?view=asciicast"
	end