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  • rails foreman does not load all my services on start

    - by Rubytastic
    Rails foreman does not load all my services defined in Procfile. Procfile.rb: redis: redis-server resque: bundle exec rake resque:start &&> log/resque_worker_queue.log privpub: bundle exec rackup private_pub.ru -s thin -E production & &> log/private_pub.log sunspot: bundle exec rake sunspot:solr:run I always have to manually start all of them by copy paste the commands in terminal foreman start does not work, what am i missing? This is foreman output: 12:35:40 privpub.1 | process terminated 12:35:40 system | sending SIGTERM to all processes 12:35:40 system | sending SIGTERM to pid 4375 12:35:40 redis.1 | [4375] 02 Jun 12:35:40 # Received SIGTERM, scheduling shutdown... 12:35:40 redis.1 | [4375] 02 Jun 12:35:40 # User requested shutdown... 12:35:40 redis.1 | [4375] 02 Jun 12:35:40 * Saving the final RDB snapshot before exiting. 12:35:40 redis.1 | [4375] 02 Jun 12:35:40 * DB saved on disk 12:35:40 redis.1 | [4375] 02 Jun 12:35:40 # Redis is now ready to exit, bye bye... 12:35:40 system | sending SIGTERM to pid 4376 12:35:40 resque.1 | rake aborted! 12:35:40 resque.1 | SIGTERM 12:35:40 resque.1 | 12:35:40 resque.1 | (See full trace by running task with --trace) 12:35:40 system | sending SIGTERM to pid 4378 12:35:40 sunspot.1 | rake aborted! 12:35:40 sunspot.1 | SIGTERM 12:35:40 sunspot.1 | 12:35:40 sunspot.1 | (See full trace by running task with --trace) 12:35:40 sunspot.1 | process terminated 12:35:40 resque.1 | process terminated 12:35:40 redis.1 | process terminated

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  • Rails 3 plugin - Generate a custom migration file

    - by moshimoshi
    Hi, On this article http://www.themodestrubyist.com/2010/03/16/rails-3-plugins---part-3---rake-tasks-generators-initializers-oh-my/ we can see the following codes which allow to invoke a migration file: class ActsAsTaggableOnMigrationGenerator < Rails::Generators::Base invoke "migration", %(add_fields_to_tags name:string label:string) end The command looks like: $ rails generate acts_as_taggable_on User invoke migration invoke active_record create db/migrate/20100529220831_user.rb error "add_fields_to_tags name:string label:string" [not found] I don't understand why I get this error... and I have 2 questions about: 1/ How can I do to customize the name of the generated file? Just like: 20100529220831_add_tag_field_to_users.rb. 2/ How can I pass in some args such as: $ rails generate acts_as_taggable_on User tag1 tag2 tag2 in order to customize the generating file such as tag1:string tag2:string tag3:string... Many thanks!

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  • Rails 3 Beta 2, Haml, Nested Layouts and LocalJumpError

    - by CJ Bryan
    Alright, I'm trying to create an app with nested templates. I'm using Rails 3 Beta 2 and Haml. I've poked around and I've decided to take the clearest approach and have structured my templates like so: # application.html.haml !!! %body %h1 Outermost Template = yield(:foobar) # inner.html.haml - content_for :foobar do %h2 Inner Template = yield = render :file => 'layouts/application' # foo_controller.rb layout 'inner' With all of this, I get a LocalJumpError with the message no block given. The stack traces are blank and pretty unhelpful. Any ideas? Are these known issues?

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  • Rails - how to use a plugin from github (how to install, utilize, etc)

    - by jyoseph
    I'm trying to install a couple of different plugins for my rails 3 app. I cd to '/vendor/plugins/', then type git clone the_git_src_url. I see the files in the /vendor/plugins/ directory. However when I try to use any of the tags provided by the plugin I get uninitialized constant ContentsController::HTMLToTextileParser PriceTag and html2textile are the two plugins I'm trying to use. This is what triggers the error above: <%= PriceTag.html_to_textile(@content.desc) %> I'm working in development, I've tried to restart the server. Is there something I'm missing?

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  • Rails 3, changing a specific value in a row

    - by Elliot
    Hey Guys, This question seems ridiculously easy, but I seem to be stuck. Lets say we have a table "Books" Each Book, has a name, description, and a status. Lets say I want to create link in the show view, that when clicked, solely changes the status (to "read") for example. So far, I've tried adding a block in the controller, that says: def read @book = Book.find(params[:id]) @book.status = "Read" @book.update_attributes(params[:book]) respond_to do |format| format.html { redirect_to :back} format.xml { render :xml => @book } end end Then I've added a link to the view that is like: <%= link_to "Read", read_book_path(@book), :method = :put % This isn't working at all. I have added it to my routes, but it doesn't seem to matter. Any help would be great! Thanks! -Elliot EDIT: Forgot to add I'm getting a NoMethodError: undefined method `read_book_path'

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  • Rails 3 and Bootstrap 2.1.0 - can't fix my footer

    - by ExiRe
    I have Rails application with bootstrap 2.1.0 (i use twitter-bootstrap-rails gem for that). But i can't get working footer. It is not visible unless i scroll down the page. I can't get how to fix that. Application.html.haml !!! %html %head %title MyApp = stylesheet_link_tag "application", :media => "all" = javascript_include_tag "application" = csrf_meta_tags %meta{ :name => "viewport", :content => "width=device-width, initial-scale=1.0" } %body %div{ :class => "wrapper" } = render 'layouts/navbar_template' %div{ :class => "container-fluid" } - flash.each do |key, value| = content_tag( :div, value, :class => "alert alert-#{key}" ) %div{ :class => "row-fluid" } %div{:class => "span10"} =yield %div{:class => "span2"} %h2 Test sidebar %footer{ :class => "footer" } = debug(params) if Rails.env.development? bootstrap_and_overrides.css.less @import "twitter/bootstrap/bootstrap"; body { padding-top: 60px; } @import "twitter/bootstrap/responsive"; // Set the correct sprite paths @iconSpritePath: asset-path('twitter/bootstrap/glyphicons-halflings.png'); @iconWhiteSpritePath: asset-path('twitter/bootstrap/glyphicons-halflings-white.png'); // Set the Font Awesome (Font Awesome is default. You can disable by commenting below lines) // Note: If you use asset_path() here, your compiled boostrap_and_overrides.css will not // have the proper paths. So for now we use the absolute path. @fontAwesomeEotPath: '/assets/fontawesome-webfont.eot'; @fontAwesomeWoffPath: '/assets/fontawesome-webfont.woff'; @fontAwesomeTtfPath: '/assets/fontawesome-webfont.ttf'; @fontAwesomeSvgPath: '/assets/fontawesome-webfont.svg'; // Font Awesome @import "fontawesome"; // Your custom LESS stylesheets goes here // // Since bootstrap was imported above you have access to its mixins which // you may use and inherit here // // If you'd like to override bootstrap's own variables, you can do so here as well // See http://twitter.github.com/bootstrap/less.html for their names and documentation // // Example: // @linkColor: #ff0000; //MY CSS IS HERE. html, body { height: 100%; } footer { color: #666; background: #F5F5F5; padding: 17px 0 18px 0; border-top: 1px solid #000; } footer a { color: #999; } footer a:hover { color: #efefef; } .wrapper { min-height: 100%; height: auto !important; height: 10px; margin-bottom: -10px; }

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  • translate database fields with rails

    - by fursie
    hi I know about the built-in I18n in Rails, but how can I select a database field per locale? My model structure is something like this: title #default (englisch) title_de #(german) title_it #(italian) In my template I want to be able to write only <%= @model.title %> and should get the value in the right language. Is there a plugin or a solution to use different fields per different locale settings with a structure like mine?

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  • can't update rails model

    - by Tristan
    Hi there, I'm rather new to rails. I have a controller that's attempting to update a model using the following code: @test = Product.find(1) @test.increment!(:price) It does successfully retrieve the Product from the database, but does not update the price attribute. Does anyone know why this might be the case, or how I could get more feedback on what the problem is? Thanks a bunch! Tristan edit: price is an integer with value 0. I get the same problem when I set the price with @test.price=50 and then @test.save .

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  • In Rails/ActiveRecord 3, how do I change the default primary key type for MySQL?

    - by jfarmer
    In Rails 3, how do you change the default primary key type to, say, BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY In my case I'm only interested in MySQL. For Rails 2, you can see the answer to "How do I use long IDs in Rails?"1 In Rails 3, however, this will throw an error. I'm not sure if that's because the class is no long used, or if the code needs to go in the same place. You can see in active_record/connection_adapters/mysql_adapter.rb that the NATIVE_DATABASE_TYPES constant is still defined. What's the correct way to achieve the same effect in Rails 3?

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  • Call task more than once in Rails 3 generator

    - by balexand
    I'm writing a Rails 3 generator that creates two different models. Here's a very simplified example of what I'm trying to do: def my_generator_task invoke "model", ["foo"] invoke "model", ["bar"] end The problem is that the Thor invoke method only invokes a task once, so the second call to the "model" task never happens and the "bar" model is never created. Does anyone know an elegant way to accomplish this, preferably in a way that doesn't break the ability to run "rails destroy" with the generator?

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  • Creating thousands of records in Rails

    - by willCosgrove
    Let me set the stage: My application deals with gift cards. When we create cards they have to have a unique string that the user can use to redeem it with. So when someone orders our gift cards, like a retailer, we need to make a lot of new card objects and store them in the DB. With that in mind, I'm trying to see how quickly I can have my application generate 100,000 Cards. Database expert, I am not, so I need someone to explain this little phenomena: When I create 1000 Cards, it takes 5 seconds. When I create 100,000 cards it should take 500 seconds right? Now I know what you're wanting to see, the card creation method I'm using, because the first assumption would be that it's getting slower because it's checking the uniqueness of a bunch of cards, more as it goes along. But I can show you my rake task desc "Creates cards for a retailer" task :order_cards, [:number_of_cards, :value, :retailer_name] => :environment do |t, args| t = Time.now puts "Searching for retailer" @retailer = Retailer.find_by_name(args[:retailer_name]) puts "Retailer found" puts "Generating codes" value = args[:value].to_i number_of_cards = args[:number_of_cards].to_i codes = [] top_off_codes(codes, number_of_cards) while codes != codes.uniq codes.uniq! top_off_codes(codes, number_of_cards) end stored_codes = Card.all.collect do |c| c.code end while codes != (codes - stored_codes) codes -= stored_codes top_off_codes(codes, number_of_cards) end puts "Codes are unique and generated" puts "Creating bundle" @bundle = @retailer.bundles.create!(:value => value) puts "Bundle created" puts "Creating cards" @bundle.transaction do codes.each do |code| @bundle.cards.create!(:code => code) end end puts "Cards generated in #{Time.now - t}s" end def top_off_codes(codes, intended_number) (intended_number - codes.size).times do codes << ReadableRandom.get(CODE_LENGTH) end end I'm using a gem called readable_random for the unique code. So if you read through all of that code, you'll see that it does all of it's uniqueness testing before it ever starts creating cards. It also writes status updates to the screen while it's running, and it always sits for a while at creating. Meanwhile it flies through the uniqueness tests. So my question to the stackoverflow community is: Why is my database slowing down as I add more cards? Why is this not a linear function in regards to time per card? I'm sure the answer is simple and I'm just a moron who knows nothing about data storage. And if anyone has any suggestions, how would you optimize this method, and how fast do you think you could get it to create 100,000 cards? (When I plotted out my times on a graph and did a quick curve fit to get my line formula, I calculated how long it would take to create 100,000 cards with my current code and it says 5.5 hours. That maybe completely wrong, I'm not sure. But if it stays on the line I curve fitted, it would be right around there.)

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  • Rails 3 Processing by */*

    - by Maestro
    I have noticed that in Rails 3.2.2, all actions are being processed with */* format. So the question is: what means */* ? And why it is called by default (every time) ? Because there are two processings for one action: Started GET "/" for 127.0.0.1 at 2012-07-07 22:50:22 +0200 Processing by MainController#index as HTML Started GET "/" for 127.0.0.1 at 2012-07-07 22:50:22 +0200 Processing by MainController#index as */* I have tried to set: respond_to :html def index @posts = Post.all respond_with(@posts) end But the same problem still exists.

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  • Rails 3: Parsing XML

    - by gjb
    I have a simple XML document in the following format: <?xml version="1.0" encoding="utf-8"?> <object> <strField>Foo</strField> <intField>1</intField> <dateField>2010-11-03</dateField> <boolField>true</boolField> <nilField></nilField> </object> I would like to parse this into a Hash to be passed to Model.create: {:object => { :strField => 'Foo', :intField => 1, :dateField => Date.today, :boolField => true, :nilField => nil }} Sadly there are no "type" attributes in the XML, so using Hash.from_xml just parses each field as a string. What I am looking for is some sort of field type auto detection. I have also looked at Nokogiri, but that can't output as a Hash. What is the simplest and most efficient way to achieve this? Many thanks.

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  • Rails timezone differences between Time and DateTime

    - by kjs3
    I have the timezone set. config.time_zone = 'Mountain Time (US & Canada)' Creating a Christmas event from the console... c = Event.new(:title = "Christmas") using Time: c.start = Time.new(2012,12,25) = 2012-12-25 00:00:00 -0700 #has correct offset c.end = Time.new(2012,12,25).end_of_day = 2012-12-25 23:59:59 -0700 #same deal using DateTime: c.start = DateTime.new(2012,12,25) = Tue, 25 Dec 2012 00:00:00 +0000 # no offset c.end = DateTime.new(2012,12,25).end_of_day = Tue, 25 Dec 2012 23:59:59 +0000 # same I've carelessly been using DateTime thinking that input was assumed to be in the config.time_zone but there's no conversion when this gets saved to the db. It's stored just the same as the return values (formatted for the db). Using Time is really no big deal but do I need to manually offset anytime I'm using DateTime and want it to be in the correct zone?

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  • Creating a nested model form

    - by Elliot
    Hey Guys, I'm trying to build a multi model form - but one of the issues, is I need to link the models within the form. For example, lets say the form I have has the following models: Users, Profiles When creating a new user, I'd like to create a new profile simultaneously, and then link the two. The issue is, if neither have been created yet, they don't have ID's yet - so how can I assign linking values? Thanks! -Elliot

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  • A copy of ApplicationController has been removed from the module tree but is still active

    - by Matchu
    Whenever two concurrent HTTP requests go to my Rails app, the second always returns the following error: A copy of ApplicationController has been removed from the module tree but is still active! From there it gives an unhelpful stack trace to the effect of "we went through the standard server stuff, ran your first before_filter on ApplicationController (and I checked; it's just whichever filter runs first)", then offers the following: /home/matchu/rails/torch/vendor/rails/activesupport/lib/active_support/dependencies.rb:414:in `load_missing_constant' /home/matchu/rails/torch/vendor/rails/activesupport/lib/active_support/dependencies.rb:96:in `const_missing' which I'm assuming is a generic response and doesn't really say much. Google seems to tell me that people developing Rails Engines will encounter this, but I don't do that. All I've done is upgrade my Rails app from 2.2 (2.1?) to 2.3. What are some possible causes for this error, and how can I go about tracking down what's really going on? I know this question is vague, so would any other information be helpful? More importantly: I tried doing a test run in a "production" environment just now, and the error doesn't seem to persist. Does this only affect development, then, and need I not worry too much?

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  • Finding related tags using acts-as-taggable-on

    - by user284194
    In tag#show I list all entries with that tag. At the bottom of the page I'd like to have something like: "Related Tags: linked, list, of, related tags" My view looks like: <h2><%= link_to 'Tag', tags_path %>: <%= @tag.name.titleize %></h2> <% @entries.each do |entry| %> <h2><%= link_to h(entry.name), entry %></h2> <%- unless entry.phone.empty? -%> <p><%= h(entry.phone) %></p> <%- end -%> <%- unless entry.address.empty? -%> <p><%= h(entry.address) %></p> <%- end -%> <%- unless entry.description.empty? -%> <p><%= h(entry.description) %></p> <%- end -%> <p2><%= link_to "more...", entry %><p2> <% end %> Related Tags: <% @related.each do |tag| %> <%= link_to h(tag.tags), tag %> <% end %> tags_controller.rb: def show @title = Tag.find(params[:id]).name @tag = Tag.find(params[:id]) @entries = Entry.paginate(Entry.find_tagged_with(@tag), :page => params[:page], :per_page => 10, :order => "name") @related = Entry.tagged_with(@tag, :on => :tags) end Every entry has at least one tag, it's required by the entry model. I'd like duplicate tags ignored and the current tag (the tag that the list belongs to) ignored. My current code displays this: Related Tags: Gardens Gardens ToursGardens Gardens is a link to the entry, not the tag gardens. ToursGardens is a link to the entry that includes those tags. My desired result would be: Related Tags: Gardens, Tours Each link would link to it's associated tag. Can anyone help me achieve this? I tried using a div_for but I don't think that was right.

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  • environment change in rake task

    - by Mellon
    I am developing Rails v2.3 app with MySQL database and mysql2 gem. I faced a weird situation which is about changing the environment in rake task. (all my setting and configurations for environment and database are correct, no problem for that.) Here is my simple story : I have a rake task like following: namespace :db do task :do_something => :environment do #1. run under 'development' environment my_helper.run_under_development_env #2. change to 'custom' environment RAILS_ENV='custom' Rake::Task['db:create'] Rake::Task['db:migrate'] #3. change back to 'development' environment RAILS_ENV='development' #4. But it still run in 'customer' environment, why? my_helper.run_under_development_env end end The rake task is quite simple, what it does is: 1. Firstly, run a method from my_helper under "development" environment 2. Then, change to "custom" environment and run db:create and db:migrate until now, everything is fine, the environment did change to "custom" 3. Then, change it back again to "development" environment 4. run helper method again under "development" environment But, though I have changed the environment back to "development" in step 3, the last method still run in "custom" environment, why? and how to get rid of it? --- P.S. --- I have also checked a post with the similar situation here, and tried to use the solution there like (in step 2): ActiveRecord::Base.establish_connection('custom') Rake::Task['db:create'] Rake::Task['db:migrate'] to change the database connection instead of changing environment but, the db:create and db:migrate will still run under "development" database, though the linked post said it should run for "custom" database... weird

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  • Error whilst starting rails server

    - by Sajeer
    I am new to rails and the bundle install works fine for the project. but when I start the rails server errors are shown.The shown errors are attached herewith. Exiting C:/Ruby193/lib/ruby/1.9.1/psych.rb:203:in `parse': (): could not find e xpected ':' while scanning a simple key at line 27 column 3 (Psych::SyntaxError) from C:/Ruby193/lib/ruby/1.9.1/psych.rb:203:in `parse_stream' from C:/Ruby193/lib/ruby/1.9.1/psych.rb:151:in `parse' from C:/Ruby193/lib/ruby/1.9.1/psych.rb:127:in `load' from C:/Ruby193/lib/ruby/gems/1.9.1/gems/railties-3.2.2/lib/rails/applic ation/configuration.rb:115:in database_configuration' from C:/Ruby193/lib/ruby/gems/1.9.1/gems/activerecord-3.2.2/lib/active_r ecord/railtie.rb:75:inblock (2 levels) in ' from C:/Ruby193/lib/ruby/gems/1.9.1/gems/activesupport-3.2.2/lib/active_ support/lazy_load_hooks.rb:36:in instance_eval' from C:/Ruby193/lib/ruby/gems/1.9.1/gems/activesupport-3.2.2/lib/active_ support/lazy_load_hooks.rb:36:inexecute_hook' from C:/Ruby193/lib/ruby/gems/1.9.1/gems/activesupport-3.2.2/lib/active_ support/lazy_load_hooks.rb:26:in on_load' from C:/Ruby193/lib/ruby/gems/1.9.1/gems/activerecord-3.2.2/lib/active_r ecord/railtie.rb:74:inblock in ' from C:/Ruby193/lib/ruby/gems/1.9.1/gems/railties-3.2.2/lib/rails/initia lizable.rb:30:in instance_exec' from C:/Ruby193/lib/ruby/gems/1.9.1/gems/railties-3.2.2/lib/rails/initia lizable.rb:30:inrun' from C:/Ruby193/lib/ruby/gems/1.9.1/gems/railties-3.2.2/lib/rails/initia lizable.rb:55:in block in run_initializers' from C:/Ruby193/lib/ruby/gems/1.9.1/gems/railties-3.2.2/lib/rails/initia lizable.rb:54:ineach' from C:/Ruby193/lib/ruby/gems/1.9.1/gems/railties-3.2.2/lib/rails/initia lizable.rb:54:in run_initializers' from C:/Ruby193/lib/ruby/gems/1.9.1/gems/railties-3.2.2/lib/rails/applic ation.rb:136:ininitialize!' from C:/Ruby193/lib/ruby/gems/1.9.1/gems/railties-3.2.2/lib/rails/railti e/configurable.rb:30:in method_missing' from D:/ROR/appmallserver/config/environment.rb:22:in' from C:/Ruby193/lib/ruby/gems/1.9.1/gems/activesupport-3.2.2/lib/active_ support/dependencies.rb:251:in require' from C:/Ruby193/lib/ruby/gems/1.9.1/gems/activesupport-3.2.2/lib/active_ support/dependencies.rb:251:inblock in require' from C:/Ruby193/lib/ruby/gems/1.9.1/gems/activesupport-3.2.2/lib/active_ support/dependencies.rb:236:in load_dependency' from C:/Ruby193/lib/ruby/gems/1.9.1/gems/activesupport-3.2.2/lib/active_ support/dependencies.rb:251:inrequire' from D:/ROR/appmallserver/config.ru:4:in block in <main>' from C:/Ruby193/lib/ruby/gems/1.9.1/gems/rack-1.4.1/lib/rack/builder.rb: 51:ininstance_eval' from C:/Ruby193/lib/ruby/gems/1.9.1/gems/rack-1.4.1/lib/rack/builder.rb: 51:in initialize' from D:/ROR/appmallserver/config.ru:1:innew' from D:/ROR/appmallserver/config.ru:1:in <main>' from C:/Ruby193/lib/ruby/gems/1.9.1/gems/rack-1.4.1/lib/rack/builder.rb: 40:ineval' from C:/Ruby193/lib/ruby/gems/1.9.1/gems/rack-1.4.1/lib/rack/builder.rb: 40:in parse_file' from C:/Ruby193/lib/ruby/gems/1.9.1/gems/rack-1.4.1/lib/rack/server.rb:2 00:inapp' from C:/Ruby193/lib/ruby/gems/1.9.1/gems/railties-3.2.2/lib/rails/comman ds/server.rb:46:in app' from C:/Ruby193/lib/ruby/gems/1.9.1/gems/rack-1.4.1/lib/rack/server.rb:3 01:inwrapped_app' from C:/Ruby193/lib/ruby/gems/1.9.1/gems/rack-1.4.1/lib/rack/server.rb:2 52:in start' from C:/Ruby193/lib/ruby/gems/1.9.1/gems/railties-3.2.2/lib/rails/comman ds/server.rb:70:instart' from C:/Ruby193/lib/ruby/gems/1.9.1/gems/railties-3.2.2/lib/rails/comman ds.rb:55:in block in <top (required)>' from C:/Ruby193/lib/ruby/gems/1.9.1/gems/railties-3.2.2/lib/rails/comman ds.rb:50:intap' from C:/Ruby193/lib/ruby/gems/1.9.1/gems/railties-3.2.2/lib/rails/comman ds.rb:50:in <top (required)>' from script/rails:21:inrequire' from script/rails:21:in `'

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  • Rails 3 : create two dimensional hash and add values from a loop

    - by John
    I have two models : class Project < ActiveRecord::Base has_many :ticket attr_accessible .... end class Ticket < ActiveRecord::Base belongs_to :project attr_accessible done_date, description, .... end In my ProjectsController I would like to create a two dimensional hash to get in one variable for one project all tickets that are done (with done_date as key and description as value). For example i would like a hash like this : What i'm looking for : @tickets_of_project = ["done_date_1" => ["a", "b", "c"], "done_date_2" => ["d", "e"]] And what i'm currently trying (in ProjectsController) ... def show # Get current project @project = Project.find(params[:id]) # Get all dones tickets for a project, order by done_date @tickets = Ticket.where(:project_id => params[:id]).where("done_date IS NOT NULL").order(:done_date) # Create a new hash @tickets_of_project = Hash.new {} # Make a loop on all tickets, and want to complete my hash @tickets.each do |ticket| # TO DO #HOW TO PUT ticket.value IN "tickets_of_project" WITH KEY = ticket.done_date ??** end end I don't know if i'm in a right way or not (maybe use .map instead of make a where query), but how can I complete and put values in hash by checking index if already exist or not ? Thanx :)

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  • [Rails 3] Creating helper tag with UJS

    - by Theo B
    Firstly, sorry for my english. I´m brazilian guy that is improving yet. I want create a helper tag called "collection_cascading_select". That helper is similar to "collection_select", but he has one more argument called "source". The "source" is the other collection in the view. Ever that other option is select in the "source", a javascript function needs run to gets his value. Then populate the "collection_cascading_select" collection agreed of that value. That gets confusing ?!? Sorry... But help me! I'm one week in this problem and my brazilian brothers don´t are help me. THANKS!

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  • bidirectional habtm linking

    - by Alexey Poimtsev
    Hi, all. I have application with 2 groups of models - content based (news, questions) and "something" based (devices, applications etc). I need to link all models between groups - for example question may belongs to 3 different things - one application and 2 devices. The same - for news. From other side - i need to see all news articles and questions related to some application or device. Any idea how to develop this in rails? I have only one idea - mixins that will add methods content_id and thing_id to models and join table.

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  • How do I add application specific code to Rails' plugin?

    - by Waseem
    Hi, I am using facebooker in one of my applications. I want to add some application specific methods to various methods in it? e.g. In facebooker/lib/facebooker/models/user.rb module Facebooker class User # I want to add my methods here. for e.g my_method end end I can not directly put my_method in the plugin itself since I also want to access my models from there. Not defining the methods in plugin code itself will also be helpful when I upgrade.

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