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  • accepts_nested_attributes_for ignore blank values

    - by Mike
    i have class Profile has_many :favorite_books, :dependent => :destroy has_many :favorite_quotes, :dependent => :destroy accepts_nested_attributes_for :favorite_books, :allow_destroy => true accepts_nested_attributes_for :favorite_quotes, :allow_destroy => true end I have a dynamic form where you press '+' to add new textareas for creating new favorites. What i want to do is ignore the blank ones, I find this harder to sort through in the update controller than a non nested attribute. What i have temporarily is a hack in the after_save callback deleting the empty records. Whats the most rails way to ignore these blank objects? I dont want validation and errors, just a silent deletion/ignore.

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  • Tips on deploying Ror

    - by notnoop
    How can I go about deploying a Rails app on a cluster of Amazon EC2 servers? Any recommended guides? I maintain a RoR app (currently hosted on Heroku) that uses a DB and DelayedJobs). The app has a large footprint, and needs to be distributed on a cluster most likely. Any tips would be appreciated. Are there Amazon AMIs that replicate some of Heroku's features (especially DJ)? P.S. I'm quite a Ruby newbie.

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  • Polymorphic association in reverse

    - by Erik
    Let's say that I have two models - one called Post and one other called Video. I then have a third model - Comment - that is polymorphically associated to to each of these models. I can then easily do post.comments and video.comments to find comments assosciated to records of these models. All easy so far. But what if I want to go the other way and I want to find ALL posts and videos that have been commented on and display these in a list sorted on the date that the comment was made? Is this possible? If it helps I'm working on Rails 3 beta.

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  • Omniauth/Devise/Facebook: Auth route is not recognized

    - by M. Cypher
    I've been working on this problem for 7 hours now, and I still have no idea. Maybe one of you can help me. I'm simply trying to integrate the OAuth feature of Devise 1.2rc, which uses Omniauth, into my Rails application. I've been using this tutorial by Devise: https://github.com/plataformatec/devise/wiki/OmniAuth%3A-Overview I have done everything they tell you to... Yes, I have added the following line to my devise.rb: config.omniauth :facebook, "APP ID", "APP SECRET" I have added :omniauthable to my user model, as well as the class function as described in the tutorial I have implemented the omniauth_callbacks controller, as well as the callback function, and I have specified the omniauth_callbacks controller in my routes.rb When I run "rake middleware" it does list the Omniauth middleware: use OmniAuth::Strategies::Facebook I have installed Devise directly from the Git repo, master branch, so it's up-to-date I have installed Omniauth 1.2.0.beta5, which is the latest version. In my Gemfile it says: gem 'oa-oauth', '0.2.0.beta5', :require = 'omniauth/oauth' I have restarted the server, obviously However, when I try to request this URL: http://localhost:3000/auth/facebook it simply says ActionController::RoutingError (No route matches "/auth/facebook"): /user/auth/facebook doesn't work either. Since I unfortunately don't have the time to take apart the entire Omniauth and Devise gems and understand every line of code in them, maybe one of you could tell me what the problem might be.

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  • Devise within namespace

    - by Harm de Wit
    Hey, I'm trying to split my rails project in a front-end for regular users and a back-end for admins. Therefore i have created a namespace 'admin' so that i can easily control admin specific controller methods/layouts/authentication in the map admin. I'm using Devise to register/authenticate my admins only. Because it is only used for admins only i'm trying to move Devise to the admin namespace. I could not find exactly what i was looking for in the documentation of Devise but i tried something like this in routes.rb: namespace 'admin'do devise_for :admins end I also tried to make a custom Devise::Sessions controller but that too didn't seem to work out. Does anyone know how to do this? Should i just use the regular routes for devise with a custom(admin) layout?

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  • Shortest way of determining a name ends with an `s`, `x` or `z`, and then use the `I18n.t` method wi

    - by Koning Baard XIV
    I'm creating a Rails application where users can have a first and last name. Since I'm a perfectionist, the application may not show something like Dennis's profile or Xianx's profile, but rather Dennis' profile and Xianx' profile. I use L18n, so I wanted to ask what is the shortest way of implementing this? This grammar is the same for both English and Dutch, where the application will be translated to. Oh, some important things: I am not afraid of using helpers and the application controller My language files are in Ruby, not YAML Thanks!

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  • paperclip callbacks or simple processor?

    - by holden
    I wanted to run the callback after_post_process but it doesn't seem to work in Rails 3.0.1 using Paperclip 2.3.8. It gives an error: undefined method `_post_process_callbacks' for #<Class:0x102d55ea0> I want to call the Panda API after the file has been uploaded. I would have created my own processor for this, but as Panda handles the processing, and it can upload the files as well, and queue itself for an undetermined duration I thought a callback would do fine. But the callbacks don't seem to work in Rails3. after_post_process :panda_create def panda_create video = Panda::Video.create(:source_url => mp3.url.gsub(/[?]\d*/,''), :profiles => "f4475446032025d7216226ad8987f8e9", :path_format => "blah/1234") end I tried require and include for paperclip in my model but it didn't seem to matter. Anyideas?

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  • file_column not creating files, just empty tmp directory

    - by Yanaek
    Up to the end of December 2009 everything worked fine, so i assume that after some upgrades on servers (Ubuntu 8.10 and second Ubuntu 9.10) something stopped working. Model: class Product < ActiveRecord::Base belongs_to :category file_column :thumbnail, :magick = { :geometry = "150x100" } there is of course table 'products' in database, and it has column 'thumbnail' what's interesting that File actually is uploaded to server, it goes to the /tmp directory under RackMultipartXXXX-0 name, and it is unmodified image. The problem is, that then this file is not moved to 'tmp' dir under RAILS_ROOT/public/product/ nor the 'XX' (where xx means ID of a product) under public/product also. i don't know what to do, i spend few HOURS trying different versions of file_column, also trying to make new, test rails application only from scaffold, but then, in this new application problem was the same

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  • Arbitrary attributes error with has_one association and Factory Girl

    - by purpletonic
    I'm trying to build a basic shopping cart for a Rails app I'm working on. Nothing special, - the shopping cart has many line_items - each line_item has_one product associated and a quantity with it class Cart < ActiveRecord::Base attr_accessible :line_items has_many :line_items, :dependent => :destroy end class LineItem < ActiveRecord::Base attr_accessible :quantity, :product belongs_to :cart has_one :product end I'm trying to use RSpec to test this association, but i'm doing something wrong as I'm getting an error that says: DEPRECATION WARNING: You're trying to create an attribute 'line_item_id'. Writing arbitrary attributes on a model is deprecated, and I'm not sure why. In my factories.rb file I'm defining the line_item factory as follows: factory :line_item do quantity { Random.rand(1..5) } product end factory :cart do factory :cart_with_two_line_items do ignore do line_item_count 2 end after(:create) do |cart, evaluator| FactoryGirl.create_list(:line_item, evaluator.line_item_count, cart_id: cart) end end end Any pointers where I'm going wrong, it's probably something basic, but I'm still quite new to Rspec. Thanks in advance.

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  • User account design and security...

    - by espinet
    Before I begin, I am using Ruby on Rails and the Devise gem for user authentication. Hi, I was doing some research about account security and I found a blog post about the topic awhile ago but I can no longer find it again. I read something about when making a login system you should have 1 model for User, this contains a user's username, encrypted password, and email. You should also have a model for a user's Account. This contains everything else. A User has an Account. I don't know if I'm explaining this correctly since I haven't seen the blog post for several months and I lost my bookmark. Could someone explain how and why I should or shouldn't do this. My application deals with money so I need to cover my bases with security. Thanks.

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  • Why does mysqldump need to be fully pathed when called from a controller or model?

    - by Kris
    When I call mysqldump from a controller or model I need to fully path the binary, when I call it from Rake I don't need to. If I do not fully path I get a zero byte file... I can confirm both processes are run using the same user. # Works in a controller, model and Rake task system "/usr/local/mysql/bin/mysqldump -u root #{w.database_name} > #{target_file}" # Only works in a Rake task system "mysqldump -u root #{w.database_name} > #{target_file}" If I call the Rake task from the action it also fails (zero byte file). OS: Mac Ruby 1.8.6 EDIT: I use Etc.getpwuid(Process.uid).name to get the User of the current process

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  • Rail plugin acts_as_taggable_on :through

    - by Craig
    I have two models: class Employee < ActiveRecord::Base has_many :projects end class Project < ActiveRecord::Base acts_as_taggable_on :skills, :roles end I would like to find Employees using the tags associated with their projects. The geokit-rails plugin supports a similar concept, using its ':through' relationship. Ideally, I would be able to: specify which tags (i.e. skills, roles) would be included in the conditions order the employees by the total number of projects with matching tags be able to access the matching-tag count for each employee for the purposes of building a tag cloud Any thoughts would be appreciated.

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  • acts-as-taggable-on find within specific tag context

    - by user284194
    I have two models (entries and messages) using acts-as-taggable-on for tagging. How do I write a find condition for tagged messages from only the one model and not both? The only way I can get the tagged items to display is through the basic find: @tags = Tag.find(:all) But this displays tags from both the entries model and the messages model. How can I find the tags from just the messages model? I'm really new to Rails and ActiveRecord finds. I appreciate any help you can offer. Thank you for reading my question.

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  • How do I debug random Timeout::Error: execution expired

    - by ChrisH
    We are using Rails 2.3.5 and have been experiencing seemingly random Timeout::Error: execution expired errors. The errors reported by Hoptoad are not consistently in any particular controller and show up everywhere from user sessions to account settings to some of our core functionality controllers. The vast majority of requests do not Timeout but there are enough to cause concern. Is this normal? If so, what are some things to look at to decrease the occurance? If not, has anyone run into this and what are some common problems that can trigger an error like this.

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  • Globalize2 and migrations

    - by diegogs
    Hi, I have used globalize2 to add i18n to an old site. There is already a lot of content in spanish, however it isn't stored in globalize2 tables. Is there a way to convert this content to globalize2 with a migration in rails? The problem is I can't access the stored content: >> Panel.first => #<Panel id: 1, name: "RT", description: "asd", proje.... >> Panel.first.name => nil >> I18n.locale = nil => nil >> Panel.first.name => nil Any ideas?

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  • google search as an rss feed

    - by Jonathan
    Hi guys, Is there a way to have treat google serach results as an rss feed? For example say I worked for stackoverflow and wanted to montior how if the results from the following search url: http://www.google.com/search?hl=en&q=stackoverflow changes from day today. It would be cool if I could append &output=rss to the url and get back a feed like with google news. But that does not seem to be supported. Anyone have ideas? (Note I am programing with Ruby and Rails, if that matters) Thanks! Jonathan

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  • Is strftime (hour) showing wrong time?

    - by ander163
    I'm using this line to get the beginning time of the first day of the month. t = Time.now.to_date.beginning_of_month.beginning_of_day When i display this using t.strftime("%A %b %e @ %l:%m %p") it shows: Monday Feb 1 @ 12:02 AM The hour is always 12 (instead of 00), and more wierd the minute changes to match the month in integers. For the February date, it shows 12:02 AM I use .prior_month and .next_month on the variable to move forward or backwards in time. So when I move to June, this would display as Tuesday June 1 @ 12:06 AM But when I just show the value of "t" using a straight t.to_s, I get this time of 00:00:00, which is what I expect: Mon Feb 01 00:00:00 -0700 2010 A similar error occurs using end_of_day, but the hour is always 11 PM and the minute is the same integer value that matches the month in integers, i.e the time is 11:06 PM in June, 11:02 PM in February. Qurky? Admittedly a noob to Rails. Thanks for any comments or explanations.

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  • Multiple key/value pairs in HTTP POST where key is the same name

    - by randombits
    I'm working on an API that accepts data from remote clients, some of which where the key in an HTTP POST almost functions as an array. In english what this means is say I have a resource on my server called "class". A class in this sense, is the type a student sits in and a teacher educates in. When the user submits an HTTP POST to create a new class for their application, a lot of the key value pairs look like: student_name: Bob Smith student_name: Jane Smith student_name: Chris Smith What's the best way to handle this on both the client side (let's say the client is cURL or ActiveResource, whatever..) and what's a decent way of handling this on the server-side if my server is a Ruby on Rails app? Need a way to allow for multiple keys with the same name and without any namespace clashing or loss of data.

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  • How can I make rake assets:precompile build to the right location?

    - by Micah Gideon Modell
    I'm deploying my Rails 3 app to a subdirectory of my hosting service and therefore I'm using both a scope statement in my routes.rb and a config.assets.prefix. However, this causes my rake assets:precompile to build into public//assets instead of just into assets (since my prefix simply accounts for the scope). I can copy the files to the right location and everything will work, but I'd love for someone to tell me a better way (one must exist, right?). /config/application.rb config.assets.prefix = "/sapa/assets" /config/routes.rb scope "sapa" do … end Any help would be appreciated.

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  • Sending elements of an array as arguments to a method call

    - by Bryce
    I have a method that accepts the splat operator: def hello(foo, *bar) #... do some stuff end I have an array with a variable length that I'd like to send into this hello method: arr1 = ['baz', 'stuff'] arr2 = ['ding', 'dong', 'dang'] I'd like to call the method with arr1 and arr2 as arguments to that method but I keep getting hung up in that *bar is being interpreted as an array instead of individual arguments. To make things more fun, I can't change the hello method at all. I'm looking for something similar to this SO question but in ruby.

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  • Facebooker Session is not created when config.cache_classes = true

    - by Michal
    I am using Facebooker (along with devise & devise_facebook_connectable). The problem is that user can't sign in with Facebook Connect in production environment unless I set config.cache_classes to false (which I don't want to do in production obviously). When cache_classes = true, Facebooker::Session.current is nil. Trying to set it manually creates other problems, so I assume it's not the solution. Using Rails 2.3.8 (tried on 2.3.5 too) and Facebooker 1.0.70 (tries on 1.0.69 too) and passenger 2.2.11. Any hints?

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  • Am I reindexing this Sphinx index correctly?

    - by Ethan
    According to the Thinking Sphinx docs... Turning on delta indexing does not remove the need for regularly running a full re-index ... So I set up this cron job... 50 10 * * * cd /var/www/my_app/current && /opt/ruby/bin/rake thinking_sphinx:index RAILS_ENV=production >> /var/www/my_app/current/log/reindexing.log 2>&1 Is that a reasonable way to do it? Should I be doing something different?

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  • Rendering a variable with erb.

    - by TZer0
    I've got the following problem: I have rhtml (html minced together with ruby inside <% % and <%= % tags) stored in a database which I want to render. The information is acquired through a query. I need to be able to evaluate the information I get from the database as though as it was normal content inside the .erb-file. What I currently have: <% @mymods.each do |mod| %> <%= render_text(mod["html"])%> <% end %> Where mod["html"] is the variable containing the rhtml-code and @mymods an array of objects from the query. I have currently no idea what function I should use (render_text does, of course, not work). Help is greatly appreciated. /TZer0

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  • RoR function help

    - by Aviatrix
    Can someone write a function for me on RoR , i simply don't have the time to study Ruby and RoR for just one time use. The function should do the following things : 1) have an array with variables 2) for each variable in the array execute 4-5 other functions get the results and insert them in another table in the same DB table name - refined CityName varchar Subdomain varchar = the varriable in the array Nearby text State varchar ZipCodes text AreaCodes text Some of the functions return arrays. i will really apreciate the help ! Thanks in advance.

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  • nested form & habtm

    - by brewster
    so i am trying to save to a join table in a habtm relationship, but i am having problems. from my view, i pass in a group id with: = link_to "Create New User", new_user_url(:group => 1) User model (user.rb) class User < ActiveRecord::Base has_and_belongs_to_many :user_groups accepts_nested_attributes_for :user_groups end UserGroups model (user_groups.rb) class UserGroup < ActiveRecord::Base has_and_belongs_to_many :users end users_controller.rb def new @user = User.new(:user_group_ids => params[:group]) end in the new user view, i have access to the User.user_groups object, however when i submit the form, not only does it not save into my join table (user_groups_users), but the object is no longer there. all the other objects & attributes of my User object are persistent except for the user group. i just started learning rails, so maybe i am missing something conceptually here, but i have been really struggling with this.

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