similar to: Active Record Issue (I think)

Hi all, I''m learning Rails by Example (chapter 11), by Michael Hartl ( http://ruby.railstutorial.org/chapters/user-microposts#top) but I got no route matches when I try to delete one micropost. the _micropost html is... <tr> <td class="micropost"> <span class="content"><%= micropost.content %></span> <span

Hey everybody, I''m trying to make an example of a small networking site, and when I log in a user, it should redirect and show his profile, but I get the following error: NoMethodError in User#index Showing app/views/user/index.html.erb where line #5 raised: undefined method `screen_name'' for nil:NilClass Extracted source (around line #5): 2: Your basic information 3:

Hello guys, I have two tables, tasks and projects, and each model I put: Task.rb class Task < ActiveRecord::Base attr_accessible :user_id, :project_id, :name belongs_to :project end Project.rb class Project < ActiveRecord::Base attr_accessible :name, :description has_many :tasks end But when I go to my prompt and I make a SELECT with task, none project is returned.

I am a new learner of Ruby on Rails. I followed through the railstutorial.org tutorial and I''m trying to learn off the sample demo app where you can to make microposts and only the people who are "following" you can see them. If I wanted to make it so every user can see microposts as an additional functionality, what are the steps to do that? -- Posted via

Hi, Everything is in the title. With Rails 2.3.4 and MySQL 5.0.41: If have a table like this: +----------------+------------+------+-----+---------+----------------+ | Field | Type | Null | Key | Default | Extra | +----------------+------------+------+-----+---------+----------------+ | id | int(11) | NO | PRI | NULL |

hi there, How do we share variables in a given data migration? For example, the code below fails to work because "statuses" don''t seem to be in scope for both up and down. class AddDefaultValuesToStatuses < ActiveRecord::Migration statuses = [ { ''details'' => ''details'', }, {

Hi, I''ve been stung when deploying a rails app to heroku, and I''m fairly confident the problem is the difference between my local db sqlite3, and the heroku standard free shared db which is postgres(i think). I have a scope in my model that looks like this scope :not_archived, :conditions => [''application_state != "archived"''] The idea is I want

I have been working on a project based on Michael Hartl''s book Ruby on Rails Tutorial in order to try to teach myself Ruby on Rails. However, when it tries to render a form designed to allow a user to submit a small message, I get an error saying, "undefined method `model_name'' for NilClass:Class". It says the error is at line 1, which is "<%= form_for

Do you know when you are filling out a registration for a new account, and you keep pressing next to fill the rest of the information in separate pages? I''d like to do that, but I have no idea how. Basically I have a company model with its information, and a contacts model, with belongs to my company (also each company has only one contact), and I''d like for the user to fill in

Hi Im trying to link my User model to a Teams model. I seem to be getting the following errors. Any help would be great as Im just new to RoR Thanks error ActiveRecord::AssociationTypeMismatch in UsersController#update Team(#2183395560) expected, got String(#2174675960) app/controllers/users_controller.rb:67:in `update'' app/controllers/users_controller.rb:66:in `update''

I am using JRuby and I have to deploy on Tomcat. My web app is working fine in the dev envirmonment, with Mongel, but when I deploy on Tomcat I get "We''re sorry, but something went wrong on Tomcat". The problem is that production.log only shows: # Logfile created on Mon Oct 12 12:54:36 +0100 2009-bash-3.00 The file permission and directory are 777. Any idea how I can

Hello, I''ve been trying for hours to parse an XML using Hpricot. Usually it''s not a problem. Here''s my simple code: #This works and outputs the proper xml data @url1 = ''http://www.sportingnews.com/stories/sportingnews/MLB/rss.xml'' @page1 = Hpricot(open(@url1)) <%= @page 1 %> #This does not work, and I''m scratching my head @url1 =

Just wanted to see if I was using the latest acts_as_solr plugin, but the URL <http://acts_as_solr.railsfreaks.com/> takes me to a GoDaddy domain parking page. Anyone know what''s happened to railsfreaks, and more particularly this plugin? -- Hassan Schroeder ------------------------ hassan.schroeder-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org twitter: @hassan -- You received this

I''ve got a web-app currently partially working. The user uploads a .txt, .docx or .doc file to the server. Currently the model handles those files, saves some metadata (the extention and orig filename) then saves the file to the hard drive. Next it converts the doc and docx files to plain text and saves the output to a txt file. My problem is I want to copy the plain text contents of

Hi Everybody, Greetings!! I want to use rspec for my applications. Please guide me with the Rspec tutorial. I want a good example to start with. Please help me by providing good tutorials on Rspec to start with. I actually followed the example from http://rspec.info Please guide me on more examples. Waiting for your reply. --~--~---------~--~----~------------~-------~--~----~ You received

Hello, I cannot find the issue and it drives me crazy :( let''s simplify. I have 2 models: saving and purchase_type a *saving* corresponds to a *purchase_type* e.g. new sourcing or renegotiation a saving has exactly one purchase_type and a purchase_type has many savings. when I try to display the list of savings and their purchase type (name, not Id), i get the dreaded "You have a

I''ve setup two models, 1 and 2, that are associated by has_and_belongs_to_many. I''m trying to get an attribute from model_1 to use in a method in model_2. When I use the code below, I get an error saying ''undefined method model_1_id''. What am I missing? Thanks! Model_2.rb Class Model_2 < ActiveRecord::Base ... has_and_belongs_to_many :model_1 def

Hi, I have some seed data in MySql which contains non-ASCII characters (as you''d imagine as these are worldwide placenames that I''m storing). In MySql on the command line they look great, they''re all formatted perfectly, including Arabic and Chinese characters and they look great. However, when I ask my Rails model for one of these fields, and render that in the

I am creating a rails app that is a gui wraping a restful web service that uses a websso for authentication. This websso sets a series of headers that I need to pass from the request to the ActiveResource.find methods. As this is stuff like username etc it is going to be different for each request. I can find examples on how to set headers for all requests not just one. Does anyone know of a way

I''ve created a table in a SQL Server database using a migration, successfully. I''ve tried to change the name of a column in the table and got the error message above when running ''rake db:migrate''. Previously I have developed using MySQL and Sqlite and migrations have worked successfully. This is an error I have not seen before. Has anybody seen this and worked