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I try this "recipe" for capistrano DrNic
<< controller_path
published. I find it very useful to view the server logs ruby \u200b\u200bon rails using the command log cap.


code to insert into config / deploy.rb
: logs

# desc "Returns last lines of log file. Usage: cap log [-s lines = 200] [-s RAILS_ENV = production]"
task: log do lines = configuration.variables

 [: lines]  do  - Net / https (MissingSourceFile)  
 < ActionController::Base
 
 
 My particular install hpricot happened to me, a library for parsing HTML easily. 
 
 a workaround is to install openssl-ruby libraries: 
 
  

apt-get install ruby \u200b\u200b libopenssl-

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Create controllers and views in Ruby on Rails plugins


Many times we are comfortable save to the database data structures like arrays or hashes .

 In Ruby on Rails we can do it easily with the method of ActiveRecord  
 serialize. This method allows you to save objects in a field of the database in text format. Uses YAML to convert the object to text. < ActionController::Base
 
 
  

class Example serialize: data end

Now we can use the class as follows Example:

Ejemplo.create eg = (: data => {'key1' = > 'attribute1', 'key2' => 2}) puts ej.datos ['key2']

Using serialize
we can save many lines of code)

  
 More information: 
 
 
 http://ar.rubyonrails.org/ 
 
 
 
  Rails: Serialize ActiveRecord method 

Querying
serialized data in ActiveRecord

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Server Logs with capistrano

Genetic Algorithms for Ruby (gga4r) is a library for implementing genetic algorithms easily.
In 3 steps, you can work with gga4r:

Choose class to evolve and define fitness
• methods,
combine and mutate

• .
With an array of instances of the previous class (initial population) create an object of type GeneticAlgorithm.

Call function evolve

GeneticAlgorithm class as many times as you want.

  
 
 More documentation and examples:  

Website:
http://gga4r.rubyforge.org/es


RubyForge Project:

 http://rubyforge.org/projects/gga4r  
 
 English Website:  

http://gga4r.rubyforge.org

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Error "no such file to load - net / https" in Ubuntu

As you can see, opening for the blog template. The old style much wasted space and did not read very well. I

party Hemingway template
and I modified to add a header and a couple of things more. Little by little I'll be adding some more and some link that allows to see the latest posts from my new Thumblog:

Spejman Thumblog!

  Hope you like and above all make it more comfortable to read! 
 < ActiveRecord::Base
 You know, I accept any kind of criticism;) 
 
  

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Ruby Serializing objects in Ruby on Rails with Active Record

to read and write to partitions with the file system of Windows Vista
need the ntfs-3g driver

. To install on ubuntu edgy eft is to perform the following steps:

  
 
 Set the repositories: 
  

Copy the following lines at the end of
file / etc / apt / sources.list

:

deb http: / / flomertens.free.fr / ubuntu / edgy main main-all deb
http://ntfs-3g.sitesweetsite.info/ubuntu/ edgy main main-all deb
http://flomertens.keo.in/ubuntu/ edgy main main-all

• Install authentication key repositories: wget
• http://flomertens.keo .in / ubuntu / givre_key.asc-O-
• gksu ntfs-config

More information:

1. http://www.ubuntuforums.org/showthread.php?t=217009