At rev. 8929, I have found a good news for OpenID users.

http://svn.rubyonrails.org/rails/plugins/open_id_authentication/CHANGELOG

Tied plugin to ruby-openid 1.1.4 gem until we can make it compatible with 2.x [DHH]

Thanks DHH!

OoO workshop has been successfully held on last Sunday thanks to SGI Japan.

Syoyo, the founder of this event, had predicted the future of GPU in his presentation using a comparison of two charts which are about the Nikkei 225 index and the speed of GPU. Detail is here.

This is the most interesting prediction about GPU I ever met. Nowadays, CPU is speeding up much faster than GPU and its power consumption is still low against GPU's.

I think that FPGA can be a competitor of CPU rather than GPU in near future. The number of gates in FPGA has become very large so that it could be used for development of very complex processor such as Raytracing Processing Unit as known as RPU.

From yesterday to this morning, we had set up two MySQL servers as master-to-master configuration.

One server is located in Tokyo, the other is in Shiga. They are replicated each other in order to get our system redundant and load-balanced. We had used OpenVPN for this purpose. It is very easy to setup by using tunnelling.

Okey, we agree with that the VPN will become the neck of a bottle if our network get heavy traffic. But fortunately or unfortunately, it is not so heavy. So we considered that a performance issue would be still no problem, against a stability issue.

http://tinyurl.com/を見て気がついたのですが、paypalのほかにAmazon Honor Systemというのもあるようです。

手軽なマネタイズ方法としてつけることも検討してみよう

下記URLから入手できます。
http://svn.s21g.com/public/rails/plugins/tinyurl_helper/

仕様

URLを渡すとTinyURLに変換してリンクを作ります。

使い方

• application_helper.rbでinclude

     1  module ApplicationHelper
     2    include TinyurlHelper
     3  end
  
• View内で

     1  <%= link_to_tinyurl "http://www.yahoo.co.jp" %>
  

作り方

1. 類似するプラグインを探してコーディングの検討をつける
   • http://agilewebdevelopment.com/plugins/quicktime_helper
   • http://code.google.com/p/acts-as-tiny-url/source/browse/trunk/acts_as_tiny_url/lib/acts_as_tiny_url.rb
2. script/generateする

      1  script/generate plugin tinyurl_helper
   
3. 上で生成されたlib/tinyurl_helper.rbを編集

      1  require 'net/http'
      2  
      3  module TinyurlHelper
      4    def link_to_tinyurl(url, html_options = nil)
      5      uri = 'http://tinyurl.com/api-create.php?url=' + url
      6      uri = URI.parse(uri)
      7      tiny_url = Net::HTTP.get_response(uri).body
      8      options = {:title => url, :alt => url}
      9      options = html_options.nil? ? options : options.merge(html_options)
     10      link_to tiny_url, tiny_url, options
     11    end
     12  end
   

4. テストを書く(アプリテスト、プラグイン単体テスト両方通るように書くと吉)

      1  -
      2  require 'test/unit'
      3  require File.expand_path(File.dirname(__FILE__) + "/../lib/tinyurl_helper")
      4  
      5  class TinyurlHelperTest < Test::Unit::TestCase
      6    include TinyurlHelper
      7  
      8    #dummy link_to
      9    def link_to(name, options = {}, html_options = nil)
     10      [name, html_options[:title]]
     11    end
     12  
     13    def test_link_to_tinyurl
     14      url = 'http://www.yahoo.co.jp/'
     15      tiny_url, title = link_to_tinyurl(url)
     16      assert_equal 'http://tinyurl.com/910', tiny_url
     17      assert_equal url, title
     18    end
     19  
     20    def test_link_to_tinyurl_with_title
     21      url = 'http://www.yahoo.co.jp/'
     22      tiny_url, title = link_to_tinyurl(url, {:title => 'title'})
     23      assert_equal 'http://tinyurl.com/910', tiny_url
     24      assert_equal 'title', title
     25    end
     26  end
   

5. README, MIT-LICENSEを書く

   • READMEは名前と、概要･使い方を書く
   • MIT-LICENSEは名前だけ変更

6. 公開用リポジトリにコミット

7. pluginディレクトリに登録する
   • http://agilewebdevelopment.com/plugins/new

Tips

• プラグインはweb serverを再起動しないとリロードされない
• helperを使えるようにする方法は2つ
  1. app/helper/application_helper.rbでinclude(上でやった方法)
  2. plugins/tinyurl_helper/init.rbでsendする

        1   ActionView::Base.send :include, TinyurlHelper