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The Error Occurred While Evaluating Nil Push

Then, because @posts has never been set, trying to access it will simply give you nil, which explains the error. class Assignment < ActiveRecord::Base belongs_to :programmer # foreign key - programmer_id belongs_to :project # foreign key - project_id end class Programmer < ActiveRecord::Base has_many :assignments has_many :projects, through: :assignments end class However, inside the actual extension code, you will not have access to the record as above. config.log_path overrides the path to the log file to use. have a peek at these guys

By default this is false in test mode and true in all other modes. Defaults to data. 3.7 Configuring Action Dispatch config.action_dispatch.session_store sets the name of the store for session data. To post to this group, send email to rubyonrails-talk-/[email protected] To unsubscribe from this group, send email to rubyonrails-talk+unsubscribe-/[email protected] For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~--- Next Message by Thread: Rack::Lock Will wrap the app in mutex so it can only be called by a single thread at a time.

For example if all the addressables are either of class Person or Company then a total of 3 queries will be executed. Mike C June 7th, 2010 @ 07:53 PM Same issue. FROM posts INNER JOIN categories_posts ... David Trasbo October 7th, 2010 @ 09:08 PM State changed from “new” to “resolved” Importance changed from “” to “Low” Marking this as resolved for now.

Sure enough, the app works fine in that environment, so it's definitely some new incompatibility with mongrel_cluster 1.1.5... You flagged this item as spam. method?2ruby on rails has_many relation form validation of children1Ruby/Rails ignore nil within a block0Rails The error occurred while evaluating nil.each-1Rails Ruby - Handeling Nil in production vs development0Ruby: Don't raise error If you want to load all posts (including posts with no approved comments) then write your own LEFT OUTER JOIN query using ON Post.joins("LEFT OUTER JOIN comments ON comments.post_id = posts.id

etlund August 6th, 2010 @ 05:29 PM Ken's mongrel.rb initializer works for me on my Engine Yard cloud apps. http://ruby-doc.org/core/classes/Array.html#M002232 Cheers -- Robert Zotter Zapient, LLC Ruby on Rails Development and Consulting http://www.zapient.com http://www.fromjavatoruby.com On Nov 6, 8:01 pm, Scott Kulik wrote: > here is some of the code: > The class_name of the attachable is passed as a String. https://github.com/whomwah/rqrcode/issues/1 See the ERB documentation for more information.

Your solution (August 30th, 2010 @ 06:43 PM and @ 07:58 PM) worked for me You flagged this item as spam. Random noise based on seed Does the mass of sulfur really decrease when dissolved in water and increase when burnt? Threadsafe operation is incompatible with the normal workings of development mode Rails. Centered-justified or right-justified ATBAP or single entry - What are the admission fees for CA national parks?

If it is set to false then the request format will be determined solely by examining params[:format]. initialize_logger Initializes the logger (an ActiveSupport::BufferedLogger object) for the application and makes it accessible at Rails.logger, providing that there's no initializer inserted before this point that has defined Rails.logger. class Asset < ActiveRecord::Base belongs_to :attachable, polymorphic: true end class Post < ActiveRecord::Base has_many :assets, as: :attachable # The :as option specifies the polymorphic interface to use. Luis Lavena July 1st, 2010 @ 05:23 AM Hello, As commented in Mongrel issue tracker: http://github.com/fauna/mongrel/issues#issue/5 Due the nature of mongrel_rails, it will be great get a fix applied that works

When I create any app with a single scaffolded page the Mongrel returns a page as plain text. More about the author I've used the code by Ken Collins in a /config/initializers/mongrel.rb file but I'm still getting the issue. We recommend upgrading to the latest Safari, Google Chrome, or Firefox. action_view.set_configs Sets up Action View by using the settings in config.action_view by send'ing the method names as setters to ActionView::Base and passing the values through.

To post to this group, send email to rubyonrails-talk-/[email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~--- Thread at a glance: project.milestones # fetches milestones from the database project.milestones.size # uses the milestone cache project.milestones.empty? # uses the milestone cache project.milestones(true).size # fetches milestones from the database project.milestones # uses the milestone Please click the link in the confirmation email to activate your subscription. http://linuxprofilm.com/the-error/the-error-occurred-while-evaluating-nil-each.html config.log_level defines the verbosity of the Rails logger.

enables allow_concurrency, cache_classes, dependency_loading and preload_frameworks to make the application threadsafe. Evgeny May 26th, 2010 @ 10:28 AM I have the same problem on hosting, even worse. class Manager < ActiveRecord::Base has_many :employees end class Employee < ActiveRecord::Base belongs_to :manager # foreign key - manager_id end Many-to-many There are two ways to build a many-to-many relationship.

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Try our newsletter Sign up for our newsletter and get our top new questions delivered to your inbox (see an example). Edgars Beigarts May 26th, 2010 @ 08:30 AM In some apps I also had the same issue that Paul has. It did on a test machine that I once built. ActionDispatch::Session::CookieStore is responsible for storing the session in cookies.

More details about :autosave option is available at AutosaveAssociation. config.serve_static_assets configures Rails to serve static assets. TERM => stop. http://linuxprofilm.com/the-error/the-error-occurred-while-evaluating-nil-map.html Badbox when using package todonotes and command missingfigure I've just "mv"ed a 49GB directory to a bad file path, is it possible to restore the original state of the files?

Set to nil to disable logging. The allowed values are :smtp (default), :sendmail, and :test. If this is set to nil, all plugins will be loaded. An important caveat with going through has_one or has_many associations on the join model is that these associations are read-only.

In order for the associations to work as expected, ensure that you store the base model for the STI models in the type column of the polymorphic association. Extensions can access relevant state using the following methods (where items is the name of the association): record.association(:items).owner - Returns the object the association is part of. active_resource.set_configs Sets up Active Resource by using the settings in config.active_resource by send'ing the method names as setters to ActiveResource::Base and passing the values through. For example: class Car < ActiveRecord::Base belongs_to :owner belongs_to :old_owner def owner=(new_owner) self.old_owner = self.owner super end end If your model class is Project, the module is named Project::GeneratedFeatureMethods.

I had to turn off the forgery prevention/authentication cookies. I will try and find time to have a look. You flagged this item as spam. Each model uses an association to describe its role in the relation.

config.active_record.table_name_suffix lets you set a global string to be appended to table names. active_record.logger Sets ActiveRecord::Base.logger -- if it's not already set -- to Rails.logger. The default is .html. sukima commented Jan 4, 2011 I attempted a work around by forcing the input to be even length (padding) as seen in this gist: https://gist.github.com/764270 It tested ok with the sample

config.action_controller.asset_path takes a block which configures where assets can be found. Assigning an object to a belongs_to association does not save the object, since the foreign key field belongs on the parent. A summary of what I've found about the bug: The OP's problem (calling nil.split) won't be resolved until rails 2 depends on a version of rack that has either https://github.com/rack/rack/commit/f6f3c60938ea3b08f3292a2480e6753... The second time, the table is aliased as #{reflection_name}_#{parent_table_name}.

before_initialize: This is run directly before the initialization process of the application occurs with the :bootstrap_hook initializer near the beginning of the Rails initialization process. You flagged this item as spam. The reason is that the parent model’s type is a column value so its corresponding table name cannot be put in the FROM/JOIN clauses of that query. The following environment variables are recognized by various parts of Rails: ENV['RAILS_ENV'] defines the Rails environment (production, development, test, and so on) that Rails will run under.