similar to: undefined method `key?' for nil:NilClass PaperClip

Hello, I have in my db a register what have special characters, and when I try to put on my form to edit this values, this happens: incompatible character encodings: UTF-8 and ASCII-8BIT Extracted source (around line #4): 1: <%= form_for :group, :url => { :action => "update" } do |f| %> 2: <%= utf8_enforcer_tag %> 3: <label>Nome do grupo</label>

Hi. I have the following controller of the update action: [code] def update @projeto = Projeto.find(params[:id]) if (@projeto.update_attributes(params[:projeto])) ## Mesmo raciocínio utilizado no create. @permissaoA = Permissao.find(:first, :conditions => ["usuario_id = ?", @projeto.responsavel.to_i]) @permissaoAvancado1 = Permissao.find(:first, :conditions

Hello, I have two tables with association HABM, projects and users, and in projects I want to show all users that was associated to the project. I have try with this: <%= select( "user", "id", Project.all.collect { |p| [ p.name, p.id ] } ) %> But only show all my projects, but Iz don''t know who show only the user in a determinated project. class Project <

Hello, I''m trying to install the rails on ubuntu 11.10, but when I put the command felipe@Felipe:~/Downloads/rubygems-1.8.15$ sudo gem install rails --no-r1 --no-rdoc ERROR: Loading command: install (LoadError) no such file to load -- zlib ERROR: While executing gem ... (NameError) uninitialized constant Gem::Commands::InstallCommand felipe@Felipe:~/Downloads/rubygems-1.8.15$

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.

If a model doesn''t pass validation the field in the view is put under a <div class="field_with_errors">. But who create that div? field_text helper do it? -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to

Hello, I''m trying to insert into my migrate but when I try on rails console this error shows: 1.9.3-p0 :001 > group = Group.new => #<Group id: nil, name: nil, description: nil, created_at: nil, updated_at: nil> 1.9.3-p0 :002 > group.name = "Group Name" => "Group Name" 1.9.3-p0 :003 > group.description = "Description" =>

Hello guys, I need to make a hash in each register, but I don''t know how I can do this. Just like this: <%= link_to :action => "index", :hash => MD5 :project.id %> /index?hash=202cb962ac59075b964b07152d234b70 Thank all! -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails:

Hello, I have a problem when I try to add the gem therubyracer. I put in my prompt: bundle install, and this error appears: C:\rails\organily>bundle install Fetching gem metadata from https://rubygems.org/......... Using rake (0.9.2.2) Using i18n (0.6.0) Using multi_json (1.3.6) Using activesupport (3.2.3) Using builder (3.0.0) Using activemodel (3.2.3) Using erubis (2.7.0) Using journey

ol?, estou tentando converter a vari?vel b (abaixo) em uma matriz com duas colunas, sem muito sucesso, algu?m teria alguma sugest?o? muito obrigado, a<-outer(1:5,1:7,FUN="paste") b<- sample(a,10) [1] "4 2" "5 7" "3 3" "4 1" "4 5" "3 5" "5 2" "2 1" "3 7" "1 4" Matriz desejada: 4

Hi all, I have a multi model form (Project with many tasks) and I want to prevent a task from being saved to the DB if it is empty ie. if there is no i/p for that task from the user. I tried the following class Task < ActiveRecord::Base before_save :check_if_empty ... def check_if_empty self.destroy if description.blank? end but i get this TypeError in ProjectsController#create

Hi, everybody! i created a imagem by kriging using geoR package. I imported points from GRASS("zn", after converted to geodata "zn_geo"), the border "zn_border" and a raster mask. Then i interpolated the points by kriging and created a raster image. Now, i need export this image back to GRASS to use it in the module r.mapcalc. I can't do it. I tried use

Hi all, I am running on Windows XP sp2 with ruby 1.8.6, and rails 1.2.3 I am using REST, and have this in my view <% form_for(:project, :url => project_path(:user_id => @project.my_user, :id => @project), :html => {:method => :put}) do |f| %> The browser correctly gives <form method="post" action="/users/2/projects/1">

If there is an error with the submitted password on a form, then both the password and password confirmation text fields should be highlighted in red. The default seems to be to highlight only the password field. Any suggestions on how to correct that? Because rails magically handles the highlighting, I''m not sure how to intercept that. -- Posted via http://www.ruby-forum.com/. --

Hello All, I am using rails paperclip plugin for image upload. my image has different styles and the original image gets cropped while processing styled image. I dont want image to be cropped. Is there any way ???????? Thanks, Sandip R~ --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails:

Hello there, I installed plugin "paperclip" for working with images, but after running a command -- rails generate paperclip user avatar I am getting error -- Could not find generator paperclip. If I will try run a command -- bundle show paperclip So I will get -- /Library/Ruby/Gems/1.8/gems/paperclip-2.3.0 In Gemfile I have -- gem "paperclip", "~> 2.3" I

Boa Tarde, Estou com problemas para autentica??o de meus computadores no dominio samba. Quando tento pelo pr?prio windows ou na m?o pelo console adicionar uma m?quina ao dominio, ela ? cadastrada com sucesso, ela fica em ou=Computers,dc=xxx,dc=xxx por?m o smbd a procura em people o que resulta que meus usu?rios n?o conseguem logar... assim ... ao inves de o sambra procurar em ou=Computers ele

Would anyone happen to know how to stub a call to S3 from Paperclip? I''ve searched every where and no one seems to have posted anything about this. I''ve done very little in the way of spec''ing dependencies on external services, so any ideas on how to do this with Paperclip & S3 would be most appreciated. I''m happy with stubbing out Thinking Sphinx - would

Wanted to see if anyone knows of a way - or the preferred way - to do these three tasks with Paperclip: 1) Access the content of an uploaded file before save. I did find that the following works before save, but is there a clearer way to do this: self.uploaded_file.queued_for_write[:original].open.read 2) Access the content of a file after save while my AR model instance is still alive and/or

Hi, I am using paperclip to upload files. The problem I am facing is, based on my object property I need to preserve my file. Means my object should be deleted from db but the file need to be restored. I am using the option :preserve_files => true. If I keep the above option in model it will be access to all the objects of the model. I need to restore only for limited objects.