mingliangfeng

  <div class="row bs-wizard">  
    <div class="col-lg-3">
      <ol class="bs-wizard-sidebar">
        <li class="bs-wizard-todo bs-wizard-active"><a href="javascript:void(0)">Step1</a></li>
        <li class="bs-wizard-todo"><a href="javascript:void(0)">Step2</a></li>
        <li class="bs-wizard-todo"><a href="javascript:void(0)">Step3</a></li>
      </ol>
    </div>

    <div class="col-lg-9">

mingliangfeng

find_source = lambda do |clazz, include_super=false| 
  files = clazz.methods(include_super).inject([]) {|c, m| c << clazz.method(m).source_location.first if clazz.method(m) and clazz.method(m).source_location; c }
  files.uniq
end

puts find_source.call(Rails)

puts self.method(:get).source_location

mingliangfeng

# how to add a migration to an extension
1. Under app folder:
> rails g migration add_a_field_to_a_table ...

2. Copy this migration from app db/migrate folder to extension db/migrate folder and rename the file:
> mv db/migrate/1222_add...rb <extension's db/migrate>
> # then rename the migration file to #_add...

3. still on app folder, run the following command to copy the migrate from extension to app:
> rake refinery_<extension name>:install:migrations

mingliangfeng

# render empty page from controller
render :nothing => true, :status => 200, :content_type => 'text/html'

mingliangfeng

package com.fml.java.struts2.interceptor;

import java.io.CharArrayWriter;
import java.io.PrintWriter;
import java.util.*;

import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpServletResponseWrapper;

import org.apache.commons.lang.StringUtils;