| ... | ... | @@ -3,7 +3,7 @@ layout: post | 
| 3 | 3 | title: "Colorful logging in Rails 3.2" | 
| 4 | 4 | date: 2013-03-17 17:54 | 
| 5 | 5 | comments: true | 
| 6 | -categories: [rails] | |
| 6 | +categories: [rails, ruby] | |
| 7 | 7 | cover: /images/cover/avatar.png | 
| 8 | 8 | keywords: ruby on rails, ruby, rails, logger, formatting, colors | 
| 9 | 9 | description: Formate and colorize log output in Rails | 
| ... | ... | @@ -3,10 +3,10 @@ layout: post | 
| 3 | 3 | title: "XMPP4R: Get client's complete roster the right way" | 
| 4 | 4 | date: 2013-03-25 00:28 | 
| 5 | 5 | comments: true | 
| 6 | -categories: [] | |
| 6 | +categories: [ruby, jabber] | |
| 7 | 7 | cover: /images/cover/avatar.png | 
| 8 | -keywords: | |
| 9 | -description: | |
| 8 | +keywords: ruby, jabber, xmpp, xmpp4r, roster, client, xmpp4r-simple | |
| 9 | +description: Fetch roster from jabber server | |
| 10 | 10 | --- | 
| 11 | 11 |  | 
| 12 | 12 | Connect to Jabber. With [XMPP4R](http://home.gna.org/xmpp4r/), a library for |