similar to: Does a method string.to_class exist?

People, Lately I''ve been using the .name() method of classes. For example: Person.name => "Person" Today... I''d like to do the inverse: "Person".to_class => Person How do I transform a string into a class? I''m working with a Rails app where I need to get names of AR classes at run-time. -Peter

So thanks to Craig, i got up and running on rails 2.2.2, though now i''m dealing with a whole new can of worms. I''ve done a good bit o searching and haven''t found any solid leads. I''m using the simple_captcha plugin on my site, and all is well until i call that plugin. http://www.pastie.org/347721 ActionView::TemplateError (undefined method

Hey, i’m running into an N+1 problem, but i don''t exactly know how to :include in this situation. (controller code is at the bottom). I''m trying to find all of the highest ranked definitions, and then render their associated phrases. A Phrase has many definitions. A Definition has many children I already have all the info i need stored in @definitions, so this should only

I''m looking to write a javascript heavy clientside program with a something serverside backend that connects to the free maxima math program. I have extensive knowledge of ruby on rails, so I would prefer to call Maxima with ruby, but I don''t know if this is even possible. Its fairly easy to call Maxima (with a lisp implementation) using ANSI C, it is a little less easy to

Is it possible to pass this FormBuilder object to a controller and then back to a partial? I have a form rendering a partial that i would like to update with a call to my controller based on user selectable parameters, but when the AJAX comes back, i get this error message because i cannot pass a form builder object between the controller and the view: "undefined method

Hey, i''m trying to use "s3cache" plugin with my app, but after adding it to my vendor/plugins directory and following the install steps i''m getting this error after running script/server: /Users/richardschneeman/Documents/AptanaStudio/slangasaurus/vendor/rails/activesupport/lib/active_support/dependencies.rb:275:in `load_missing_constant'': uninitialized

I would like to make an entire table row clickable so the user will be directed to another url. If i was using hand written javascript i would just add an onclick to the <tr>, but i want to use rails routes and to be able to pass in parameters from ruby. What is the best way to accomplish this? <tr onclick = <%= link_to my_route_path %> > <td>content</td></tr>

Hi, I''m beginner in rails, and I wanted to add to my simple application Authlogic. So I''ve watched http://railscasts.com/episodes/160-authlogic and step-by-step done everything. And almost everything works fine, except login in. After registration new user is automatically logged in, he can edit his profile, but after clicking logout and trying to login again I get error

Has anybody solved this issue. [ http://rubyforge.org/pipermail/facebooker-talk/2008-April/000552.html ] ? NameError (undefined local variable or method `controller'' for #<LeaveController:0xb7144abc>): /app/controllers/application.rb:24:in `verify_authenticity_token''

Hi everyone, I created a new demo app with ''rails demo'' and proceeded to try and launch the server with ''ruby scripts/server''. I get the following stack: C:\railsProj\demo>ruby script/server => Booting Mongrel (use ''script/server webrick'' to force WEBrick) => Rails application starting on http://0.0.0.0:3000 => Call with -d to

Hi, I am fairly new at Rails, and attempting to deploy an application that''s running fine using InstantRails on my PC. On the deployment server (I use railsplayground.net), I get the following error: Processing ApplicationController#index (for 220.224.229.156 at 2008-06-25 18:49:34) [GET] Session ID: 5921e7d789ee3aaa214f2d59aa40986a Parameters: {"action"=>:index,

I''m using the auto_complete plugin, and it works great, my problem is i need to pass multiple parameters to the controller other that what is typed in the text field. <%= text_field_with_auto_complete :search, :contains, :size => 15, :frequency => 0.1, :skip_style => true -%> This is what i have as of now, but i also need to pass ":language => @default"

this my first rspec test, it is very simple ----------------------------------------------------------------------------------------------------------------------------------------- > require File.expand_path(File.dirname(__FILE__) + ''/../spec_helper'') describe Doc do fixtures :docs before(:each) do @doc=docs(:yjn_bjy) end it "should create a new instance

Like most people, I''ve got two machines: one for development and one for production. I''ve done everything I can to make sure the ruby/rails environments are the same, but of course they''re not identical (I''ll get into that in a moment). The error that I''m getting happens when I call a method in a background task controller on the production machine; I

Hi there - new to RoR but very excited about it indeed - I have just manged to install everything. However, when I browse to http://localhost:3000/ then click the "About your application’s environment" - from the console I get : Status: 500 Internal Server Error no such file to load -- mysql Perhaps someone can tell from my configuration what is wrong ??? What I may be missing ??

I tried upgrading my older 1.8.6 Ruby install to the latest stable 1.8.6 release, version 1.8.6-p230 specifically, to benefit from the latest security updates. I used this configuration: ./configure --prefix=/usr/local --enable-pthread --with-readline-dir=/usr I''m using mod_rails, so after the Ruby install I restarted Apache. I then found every Rails app on the box was non-functional,

Hello all. #1 I am working on a rails3 gem called Yarder (https://github.com/rurounijones/yarder). The goal of this gem is to replace the rails logging system with one that is JSON based rather than string based. #2 To this end I also recently asked this list about making the LogSubscribers subscriptions to ActiveRecord::Notifications configurable and am looking at submitting a patch

I''m trying to upgrade our production server to rails 2. I''ve already done this on my dev machine (osx) and it worked fine. But now, with everything at the same version, but running in production mode, the production machine - a CentOS5 box - is getting loads of: ActiveRecord::StatementInvalid (Mysql::Error: Lost connection to MySQL server during query errors. i"ve looked

Environment: Apache/2.2.8 (Ubuntu) DAV/2 SVN/1.4.6 PHP/5.2.4-2ubuntu5.1 with Suhosin-Patch mod_ruby/1.2.6 Ruby/1.8.6(2007-09-24) mod_ssl/2.2.8 OpenSSL/0.9.8g Phusion_Passenger/2.0.1 Server I''ve created several scaffolds that all work, and am trying to set the root page for this app to default to one of the methods. Here''s my routes.rb: ActionController::Routing::Routes.draw do

Hi , I trying to search and replace all urls on a HTML string using gsub . CODE html = "<a href=''http://site.com.br''><img src=''http://site3.com/ image.jpg''></a><a href=''http://newx.com.br''><img src=''http://localhost/ imagem.jpg''></a>"; pattern = /<a