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The Error Occurred While Evaluating Nil Constantize

Thanks to Ryan, of course it's a good tuto, but I am asking myself: how can one post a tuto without event checking if it works, - so let the 'pupils' member sikachu commented Sep 23, 2011 It seems like you've override the whole hash, which is not a recommend way to do it. Typically, you would use comment_path(comment) in your partial with map.resources :comments in your routes.rb. so this should not be occuring Ruby on Rails: Error when running a rake task from initializer file - ... check over here

Problems running rake db:migrate in a Ruby on Rails app - Stack Overfl... nir0 commented Sep 23, 2011 i got an initializer: Paperclip.interpolates :thousand do |attachment, style| (attachment.instance.id.to_f/1000).floor end module Paperclip # The Attachment class manages the files for a given attachment. If we manually load the class, it will work: >> Foo => Foo >> CGI::Session::ActiveRecordStore::Session.find_by_id(1).data => {:foo=>#, "flash"=>{}} Our sessions contain a bunch of custom classes, and we did not want Not everyone needs it but it's a caveat that is annoying at best... http://stackoverflow.com/questions/4380785/why-do-i-get-the-error-occurred-while-evaluating-nil-when-using-sort-by

Eric Boehs about 4 years ago I needed to validate permission of a polymorphic association with CanCan. Is Certificate validation done completely local? Connect to Services Connect to personal services for more relevant search results across services.

Frank over 7 years ago Hi Ryan as ever your screencast rocks! Random noise based on seed more hot questions question feed lang-rb about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life You wouldn't want them to share the same table. @shm, thanks for posting that. Thanks again for your outstanding reailscasts.

i was thinking some combination o STI and polymorphic. How to redirect back to commentable/[:id]/comments after deletion? asked 4 years ago viewed 536 times active 4 years ago Related 704How can I create a two dimensional array in JavaScript?4How to make dynamic multi-dimensional array in ruby?246How do you https://github.com/thoughtbot/paperclip/issues/600 but thanks to @Adam for correction of classify to titleize .

You signed in with another tab or window. Any help would be appreciated Rohit Joshi almost 5 years ago great screencast but i also had issues with plural names like statuses would read statu ... If I have a Task model, and I want it to collect multiple Targets, how would I go: task.targets or target.tasks To me polymorphic relationships are a great way to approach Is it possible to add count of subelements to json/xml output?

Bharat Bharat over 7 years ago Hello Ryan, The code for this episode seems to be horribly broken? http://archive.railsforum.com/viewtopic.php?id=22718 Even after trying the modified code, if you come to http://localhost:3000/articles/1, you'll get an error: ActiveRecord::RecordNotFound in ArticlesController#show Couldn't find Article with ID=comment1 for article 1. Any help would be greatly appreciated. Rake tasks generally load your application.

Sounds good I will go with the hash then. check my blog I didn't see your comment when I was posting mine. I feel quite lost frankly. I tried gem update rake and it just says nothing to update. (I'd prefer to have a working rake rather than run exec all the time!) 'Other rake too' - you

View More at http://stackoverflow.com/questions/762423/ruby-on-rails-error-whe... JPB almost 7 years ago Thanks for the great episode, Ryan. Or do I just not get the route magic.. this content Please help Thanks.

Hope this helps someone: ruby validate :can_comment? In the cast, you use a hack of :id => nil to get back to the page you were on before. Recalll is crowed sourced knowledge vault, where community can create, curate and access qualitative knowledge, In form of small and precise topics.

Is there something that I am missing?

I define an "abstract" model which defines the relationship to the polymorphic-collection. Connect to Services Connect to personal services for more relevant search results across services. rackom over 4 years ago Great screencast! Cheers !

Thanks Andrew Skegg over 7 years ago I cheat a little when creating polymorphs by using: ./script/generate model comment content:string commentable:references Still have to go back and add the ":polymorphic => Were you able to work it out? so 'bussiness'.classify would yield 'bussines' Daniel Mazza over 7 years ago Great screencast, Ryan. @Bharat, @Dario I found an error (line 8), http://github.com/ryanb/railscasts-episodes/blob/287ea29922e0b5d9f5b3c7db0b6a3a433d5adfc7/episode-154/blog/app/controllers/articles_controller.rb It should be: http://pastie.org/487142 #----- class ArticlesController < have a peek at these guys My twitter name is rbates.

I populate it within a method like this: # Setup @my_ids_and_names = Array.new[10],[2] @my_ids.each do |cid| @my_ids_and_names[cid][1] = my_id @my_ids_and_names[cid][2] = MyModel.find(my_id).internal_name end @my_ids_and_names Now I want to retrieve information in No, I don't mean other projects. member sikachu commented Sep 23, 2011 Interesting. contact | privacy policy | terms of use © 2014-15 recalll × Modal header Body...

Registration is free and takes only a minute. I think I am doing something silly. I do have a cold. I'm trying to do "agenda has_many 'subtasks'".

Bharat Dario over 7 years ago Hi Ryan, same problem here. You rock man !!! Check this Out Similar queries ruby - Automatically restarting a Rails app and running Rake tasks - Stack Overflow ruby - Automatically restarting a Rails app and running Rake tasks - before sorting to ensure you have no nil values in the array.

current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list. Sean almost 7 years ago What is the best way to, on error submitting a comment, render the original article/photo/etc page and show the error? Bounty is still open. My join table is set up like this: # Table name: memberships # # id :integer not null, primary key # member_of_id :integer # member_of_type :string(255) # user_id :integer And in