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  • Newbie question attribute from associated table not showing up in index view

    - by Lauren
    Hi I know this is something simple I am doing wrong. I have three tables, installation, neighborhood, schools Installation: has_many :schools has_many :neighborhoods Neighborhood: has_many :installations has_many :schools Schools: belongs_to :installations belongs_to :neighborhoods I can't figure out how to show the name of the neighborhood the school is located in on the index view. I can get it to show on the show view once I have the school id. But on the index view I can't figure out what to put in the controller that will allow me to access the neighborhood name from the neighborhood_id that is in the School model. I am sure this is so easy and I am screwing up something stupid. HELP!

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  • globalize2 with xml/json support

    - by Philipp Bolliger
    I'm implementing a distributed application, server with rails and mobile clients in objective c (iPhone). To enable internationalization, I use the rails plugin 'globalize2' by joshmh. However, it turned out that this plugin does not translate attributes when calling to_xml or to_json on an ActiveRecord. Does anyone know of a workaround / patch? Do you have any ideas how to fix this, where to alter globalize2? Using: Rails 2.3.5 globalize2: commit from 2010-01-11

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  • Redirecting all page queries to the homepage in Rails

    - by Dean Putney
    I've got a simple Rails application running as a splash page for a website that's going through a transition to a new server. Since this is an established website, I'm seeing user requests hitting pages that don't exist in the Rails application. How can I redirect all unknown requests to the homepage instead of throwing a routing error?

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  • Need advice with a model - should I choose has_many through

    - by Martin Petrov
    I have something like a blog with posts and tags. I want to add email notification functionality - users can subscribe to one or more tags and receive email notifications when new posts are added. Currently I have a Tag model. There will be a Subscriber model (containing the user's email) Do you think I also need a Subscription table where Subscriber and Tag are joined? .. or I can skip it and directly link Subscriber with Tag?

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  • Can't send flash message from Model method

    - by Andy
    Hello, I'm trying to prevent a record that has a relationship to another record from being deleted. I can stop the deletion but not send a flash message as I had hoped! class Purchaseitem < ActiveRecord::Base before_destroy :check_if_ingredient ... def check_if_ingredient i = Ingredient.find(:all, :conditions => "purchaseitem_id = #{self.id}") if i.length > 0 self.errors.add(:name) flash.now[:notice] = "#{self.name} is in use as an ingredient and cannot be deleted" return false end end This will prevent a the delete wihthout the flash line, and when I add it I get: undefined local variable or method `flash' for # Any help would be much appreciated!

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  • What is the subject of Rspecs its method

    - by Steve Weet
    When you use the its method in rspec like follows its(:code) { should eql(0)} what is 'its' referring to. I have the following spec that works fine describe AdminlwController do shared_examples_for "valid status" do it { should be_an_instance_of(Api::SoapStatus) } it "should have a code of 0" do subject.code.should eql(0) end it "should have an empty errors array" do subject.errors.should be_an(Array) subject.errors.should be_empty end #its(:code) { should eql(0)} end describe "Countries API Reply" do before :each do co1 = Factory(:country) co2 = Factory(:country) @result = invoke :GetCountryList, "empty_auth" end subject { @result } it { should be_an_instance_of(Api::GetCountryListReply) } describe "Country List" do subject {@result.country_list} it { should be_an_instance_of(Array) } it { should have(2).items } it "should have countries in the list" do subject.each {|c| c.should be_an_instance_of(Api::Country)} end end describe "result status" do subject { @result.status } it_should_behave_like "valid status" end end However if I then uncomment the line with its(:code) then I get the following output AdminlwController Countries API Reply - should be an instance of Api::GetCountryListReply AdminlwController Countries API Reply Country List - should be an instance of Array - should have 2 items - should have countries in the list AdminlwController Countries API Reply result status - should be an instance of Api::SoapStatus - should have a code of 0 - should have an empty errors array AdminlwController Countries API Reply result status code - should be empty (FAILED - 1) 1) NoMethodError in 'AdminlwController Countries API Reply result status code should be empty' undefined method code for <AdminlwController:0x40fc4dc> /Users/steveweet/romad_current/romad/spec/controllers/adminlw_controller_spec.rb:29: Finished in 0.741599 seconds 8 examples, 1 failure It seems as if "its" is referring to the subject of the whole test, namely AdminLwController rather than the current subject. Am I doing something wrong or is this an Rspec oddity?

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  • What is the best way to setup my tables and relationships for this use case?

    - by Dustin Brewer
    1)A user can have many causes and a cause can belong to many users. 2)A user can have many campaigns and campaigns can belong to many users. Campaigns belong to one cause. I want to be able to assign causes or campaigns to a given user, individually. So a user can be assigned a specific campaign. OR a user could be assigned a cause and all of the campaigns of that cause should then be associated with a user. Is that possible? And could I set it up so that the relationships could be simplified like so: User.causes = all causes that belong to a user User.campaigns = all campaigns that belong to user whether through a cause association or campaign association

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  • gsub! Is modifying unspecified strings

    - by user335729
    I'm extracting some information from an XML file, and I want to perform some modifications on the data while keeping a copy of the original in a variable "origFile". This is what I have: require "rexml/document" include REXML doc = Document.new File.new(thePath) root = doc.root array = [] root.elements.each("dict/string") {|element| array << element} origFile = [] root.elements.each("dict"){|i| origFile << i} theBody = array[6][0].to_s theBody.gsub!(/\&lt;!-- more --\&gt;/, "----------Read More----------") The problem is that after I perform gsub! on theBody, origFile also has the modification. I don't understand why this would be or how to fix it. I would really appreciate your help.

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  • How do I deactivate a specific version of gem?

    - by JayX
    Currently I have two versions of rack installed on my computer 1.0.1 and 1.2.1 However, when I tried to push my git to Heroku, it complains You have already activated rack 1.0.1, but your Gemfile requires rack 1.2.1. Consider using bundle exec. (Gem::LoadError) How can I deactivate rack 1.0.1 and activate 1.2.1 instead? (I can't uninstall 1.0.1 since it's under system folder and I don't have the root password)

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  • Rails partial gets double escaped when using link_to_function

    - by dombesz
    Hi, I have the following code. def add_resume_link(name, form) link_to_function name do |page| html = form.fields_for :resumes, @general_resume.resumes.build, :child_index => 'NEW_RECORD' do |form_parent| render :partial => 'resume_form', :locals=>{:form=>form_parent} end page << "$('resumes').insert({ bottom: '#{escape_javascript(html)}'.replace(/NEW_RECORD/g, id) });" end end And on the resume_form i have somewhere: =add_skill_link("Add Skill", form, "resume_#{id}_skills") and the function looks like: def add_skill_link(name, form, id) link_to_function name do |page| html = form.fields_for :skill_items, @general_resume.skill_items.build, :child_index => 'NEW_RECORD' do |form_parent| render :partial=>'skill_form', :locals=>{:form=>form_parent, :parent=>id} end page << "$('#{id}').insert({ bottom: '#{escape_javascript(html)}'.replace(/NEW_RECORD/g, new Date().getTime()) });" end end So basically i have a javascript code which dinamically adds a piece of html (add_resume) and contains another javascript code which dinamically adds a select box to the page. My problem is that the add_skill_link works fine if i use from the server side, i mean rendering from server side. And gets double escaped when using within the upper described way. I tried to remove the escape_javascript from the add_skill_link bit still not good. Any ideas?

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  • In Rails, how do you functional test a Javascript response format?

    - by Teflon Ted
    If your controller action looks like this: respond_to do |format| format.html { raise 'Unsupported' } format.js # index.js.erb end and your functional test looks like this: test "javascript response..." do get :index end it will execute the HTML branch of the respond_to block. If you try this: test "javascript response..." do get 'index.js' end it executes the view (index.js.erb) withOUT running the controller action!

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  • JQuery LiveValidations with Rails

    - by Shripad K
    I am using this plugin: http://wiki.github.com/augustl/live-validations/ to check if the form field entered is valid or not. How do i disable the live validation for keypress and instead make it only fire when the submit button is clicked?

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  • rails: has_many :through + polymorphism validation?

    - by ramonrails
    I am trying to achieve this. Any hints? A project has many users through join model A user has many projects through join model Admin class inherits User class. It also has some Admin specific stuff. Admin like inheritance for Supervisor and Operator Project has one Admin, One supervisor and many operators. Now I want to 1. submit data for project, admin, supervisor and operator in a single project form 2. validate all and show errors on the project form. Project has_many :users, :through = :projects_users User has_many :projects, :through = :projects_users ProjectsUser = :id integer, :user_id :integer, :project_id :integer, :user_type :string ProjectUser belongs_to :project, belongs_to :user, :polymorphic = true Admin < User Supervisor < User Operator < User Is the approach correct? Any and all suggestions are welcome.

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  • load search results into a div jquery and rails

    - by odpogn
    In my rails app I have a search bar where users can search other users. Currently when a User submits the search from, they're redirected to a "results" page. I want to load those results in a div on the same page.. I was able to do this with my websites navigation links, but I'm pretty new to jQuery and rails and can't figure this one out... my jQuery corresponding to my navigation links: $(function() { $('#links a').live('click', function() { $('#pages').load(this.href).fadeIn('slow'); return false; }); }); my attempt to do the same with my search function... $(function() { $('#search').submit(function() { $('#pages').load(this.href).fadeIn('slow'); }); }); any help would be much appreciated~ along with some useful jQuery tutorials for a newbie!!

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  • Refactoring routes - serving different layouts

    - by dmclark
    As a Rails NOOB, I started with a routes.rb of: ActionController::Routing::Routes.draw do |map| map.resources :events map.connect 'affiliates/list', :controller => "affiliates", :action => "list" map.connect 'affiliates/regenerate_thumb/:id', :controller => "affiliates", :action => "regenerate_thumb" map.connect 'affiliates/state/:id.:format', :controller => "affiliates", :action => "find_by_state" map.connect 'affiliates/getfeed', :controller => "affiliates", :action => "feed" map.resources :affiliates, :has_many => :events map.connect ":controller/:action" map.connect '', :controller => "affiliates" map.connect ":controller/:action/:id" map.connect ":controller/:action/:id/:format" end and i'm trying to tighten it up. and I've gotten as far as: ActionController::Routing::Routes.draw do |map| map.resources :events, :only => "index" map.resources :affiliates do |affiliates| affiliates.resources :has_many => :events affiliates.resources :collection => { :list => :get, :regenerate_thumb => "regenerate_thumb" } end # map.connect 'affiliates/regenerate_thumb/:id', :controller => "affiliates", :action => "regenerate_thumb" map.connect 'affiliates/state/:id.:format', :controller => "affiliates", :action => "find_by_state" map.connect 'affiliates/getfeed', :controller => "affiliates", :action => "feed" map.root :affiliates end what is confusing to me is routes vs parameters.. For example, I realized that the only difference between list and index is HOW it is rendered, rather than WHAT is rendered. Having a different action (as I do now) feels wrong but I can't figure out he right way. Thanks

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  • Database locking: ActiveRecord + Heroku

    - by JP
    I'm building a Sinatra based app for deployment on Heroku. You can imagine it like a standard URL shortener but where old shortcodes expire and become available for new URLs (I realise this is a silly concept but its easier to explain this way). I'm representing the shortcode in my database as an integer and redefining its reader to give a nice short and unique string from the integer. As some rows will be deleted, I've written code that goes thru all the shortcode integers and picks the first free one to use just before_save. Unfortunately I can make my code create two rows with identical shortcode integers if I run two instances very quickly one after another, which is obviously no good! How should I implement a locking system so that I can quickly save my record with a unique shortcode integer? Here's what I have so far: Chars = ('a'..'z').to_a + ('A'..'Z').to_a + ('0'..'9').to_a CharLength = Chars.length class Shorts < ActiveRecord::Base before_save :gen_shortcode after_save :done_shortcode def shortcode i = read_attribute(:shortcode).to_i return '0' if i == 0 s = '' while i > 0 s << Chars[i.modulo(CharLength)] i /= 62 end s end private def gen_shortcode shortcode = 0 self.class.find(:all,:order=>"shortcode ASC").each do |s| if s.read_attribute(:shortcode).to_i != shortcode # Begin locking? break end shortcode += 1 end write_attribute(:shortcode,shortcode) end def done_shortcode # End Locking? end end

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  • Online job-searching is tedious. Help me automate it.

    - by ehsanul
    Many job sites have broken searches that don't let you narrow down jobs by experience level. Even when they do, it's usually wrong. This requires you to wade through hundreds of postings that you can't apply for before finding a relevant one, quite tedious. Since I'd rather focus on writing cover letters etc., I want to write a program to look through a large number of postings, and save the URLs of just those jobs that don't require years of experience. I don't require help writing the scraper to get the html bodies of possibly relevant job posts. The issue is accurately detecting the level of experience required for the job. This should not be too difficult as job posts are usually very explicit about this ("must have 5 years experience in..."), but there may be some issues with overly simple solutions. In my case, I'm looking for entry-level positions. Often they don't say "entry-level", but inclusion of the words probably means the job should be saved. Next, I can safely exclude a job the says it requires "5 years" of experience in whatever, so a regex like /\d\syears/ seems reasonable to exclude jobs. But then, I realized some jobs say they'll take 0-2 years of experience, matches the exclusion regex but is clearly a job I want to take a look at. Hmmm, I can handle that with another regex. But some say "less than 2 years" or "fewer than 2 years". Can handle that too, but it makes me wonder what other patterns I'm not thinking of, and possibly excluding many jobs. That's what brings me here, to find a better way to do this than regexes, if there is one. I'd like to minimize the false negative rate and save all the jobs that seem like they might not require many years of experience. Does excluding anything that matches /[3-9]\syears|1\d\syears/ seem reasonable? Or is there a better way? Training a bayesian filter maybe?

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  • Modal windows plugin to rails

    - by VP
    Hi, I'm starting to digg some rails plugins to create modal forms in rails. Almost all documents that you find are too old (2006,2007) or more focused in php. I would like to create a "feedback" tab that when you click on that, it opens a form. For example, you can check the railscast website, http://railscasts.com/. Ryan Bates made it in his website, but didnt make any screencast about it. any idea/tip about a rails plugin to work with jquery and to do those forms?

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  • Is there something similar to 'rake routes' in django?

    - by The MYYN
    In rails, on can show the active routes with rake (http://guides.rubyonrails.org/routing.html): $ rake routes users GET /users {:controller=>"users", :action=>"index"} formatted_users GET /users.:format {:controller=>"users", :action=>"index"} POST /users {:controller=>"users", :action=>"create"} POST /users.:format {:controller=>"users", :action=>"create"} Is there a similar tool/command for django showing the e.g. the URL pattern, the name of the pattern (if any) and the associated function in the views?

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  • Clean way to assign value unless empty

    - by atmorell
    Hello, I often need to assign a variable, if the source value is set. So far I have done it like this: filters[:red] = params[:search][:red] unless params[:search][:red].nil? This works but looks a bit clumsy. There must be a more DRY way of getting this result. Any suggestions? Best regards. Asbjørn Morell.

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  • Authlogic Help! Registering a new user when currently logged-in as a user not working.

    - by looloobs
    Hi Just as a disclaimer I am new to rails and programming in general so apologize for misunderstanding something obvious. I have Authlogic with activation up and running. So for my site I would like my users who are logged in to be able to register other users. The new user would pick their login and password through the activation email, but the existing user needs to put them in by email, position and a couple other attributes. I want that to be done by the existing user. The problem I am running into, if I am logged in and then try and create a new user it just tries to update the existing user and doesn't create a new one. I am not sure if there is some way to fix this by having another session start??? If that is even right/possible I wouldn't know how to go about implementing it. I realize without knowing fully about my application it may be difficult to answer this, but does this even sound like the right way to go about this? Am I missing something here? Users Controller: class UsersController < ApplicationController before_filter :require_no_user, :only => [:new, :create] before_filter :require_user, :only => [:show, :edit, :update] def new @user = User.new end def create @user = User.new if @user.signup!(params) @user.deliver_activation_instructions! flash[:notice] = "Your account has been created. Please check your e-mail for your account activation instructions!" redirect_to profile_url else render :action => :new end end def show @user = @current_user end def edit @user = @current_user end def update @user = @current_user # makes our views "cleaner" and more consistent if @user.update_attributes(params[:user]) flash[:notice] = "Account updated!" redirect_to profile_url else render :action => :edit end end end My User_Session Controller: class UserSessionsController < ApplicationController before_filter :require_no_user, :only => [:new, :create] before_filter :require_user, :only => :destroy def new @user_session = UserSession.new end def create @user_session = UserSession.new(params[:user_session]) if @user_session.save flash[:notice] = "Login successful!" if @user_session.user.position == 'Battalion Commander' : redirect_to battalion_path(@user_session.user.battalion_id) else end else render :action => :new end end def destroy current_user_session.destroy flash[:notice] = "Logout successful!" redirect_back_or_default new_user_session_url end end

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  • tinymce in ajax call - how to get contents

    - by haries
    this is what I have in my view: <% form_remote_tag :url => { :controller => 'comments', :action => "create", :post_id => "#{@post.id}"}, :html => {:id => 'comment_form' }, :before => "tinyMCE.triggerSave(true,true);" do %> <%= label_tag 'Comment' %><br/> <%= text_area_tag :comment_body, nil,:rows => 10, :cols => 100 %><br/> <p style="margin-top: 10px;"> <%= submit_tag 'Add',:id => 'btnCommentSave' %> </p> <% end %> Tinymce editor is displayed properly. In my controller: how to get the contents of the text area? I am expecting the contents in params[:comment_body] and I am not seeing it? I tried doing this also, $('#btnCommentSave').click( function(){ tinyMCE.triggerSave(true,true); $('#comment_form').submit(); }); What am I missing? Thanks

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