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  • What does it take to get the "LyricArtist" from this XML feed using Nokogiri?

    - by fail.
    First the xml: http://api.chartlyrics.com/apiv1.asmx//GetLyric?lyricId=90&lyricCheckSum=9600c891e35f602eb6e1605fb7b5229e doc = Nokogiri::XML(open("http://api.chartlyrics.com/apiv1.asmx//GetLyric?lyricId=90&lyricCheckSum=9600c891e35f602eb6e1605fb7b5229e")) Successfully will grab the document content. After this point i am unable to get inside and grab data and i am not sure why? For example, i would expect: doc.xpath("//LyricArtist") To kick back the artist but it does not. I have tried the same thing with other feeds, such as the default RSS feed that any wordpress installation provides and if i do something like: doc.xpath("//link") I get a list of all the "links". I am definitely missing something and would love your input. thank you!!

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  • Problem with Juggernaut and transparent wmode in Adobe AIR

    - by vortexmk
    Hi, I am trying to use juggernaut in Adobe AIR application, however the big issue with this is that the juggernaut flash file should have wmode parameter set to 'transparent'. This is a bit of a problem for juggernaut because it seems that it doesn't work with that parameter included. The interesting part is that it is working under Linux on all browsers and in air application, but on Windows it's working only with Safari all other browsers including the AIR application are not even connecting to the juggernaut server. So the question is, what is the cause of this and if anyone had similar problem I would be interested to hear about solutions or workarounds. Thanks, Peco

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  • How does 37signals job preview functionality work?

    - by slythic
    Hi all, I'm interested in getting a preview functionality working similar to how the 37signals job site does: http://jobs.37signals.com. Below are some screen shots of how it works. Step 1. Create your ad http://cl.ly/dfc4761b015c7f43c8ab (URL /jobs/new) Step 2. Preview your ad http://cl.ly/9c4b4041cfea83d8569e (URL /jobs/new/preview) Step 3. Publish your ad http://cl.ly/a58284d90fd380d2c26b (URL /listings/new/purchase?token=5198) So assuming you have Post model where Step 1 usually takes place in the new/create view/actions, how should one continue to Step 2 Preview and then after previewing, proceeding to the Step 3 publishing the post/ad? Do they actually save the ad/post in the database before continuing to Step 2 (Preview) but set a flag (like a boolean field called preview set to true)? It looks like they set a token paramater but I'm not sure what it's used for) I'm interested in this because it seems to go against the CRUD/REST and I thought it would be good to know how it worked. Thanks!

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  • odd validation error messages with authlogic

    - by peter
    i have an issue where when validation fails, i get messages like "{{count}} errors prohibited this {{model}} from being saved" and "{{attribute}} {{message}}". it looks like something isn't getting expanded correctly. i've tried adding validates_* stuff but it doesn't seem to help. i've also tried to search the web for an answer but when i add the '{{' and '}}' i get no results. what am i missing? how can i fix this? thanks, -peter

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  • How to use observer_field in RoR?

    - by Sindri Guðmundsson
    Hi, I have a single select_tag with categories gathered from array in controller. When the user selects a category I want the application to redirect to the selected category. I have the following code in my view which. (I've tried both using :method = :get and :post, only change is in development.log) <%=select_tag "cat_selected", options_for_select(@cats_for_mt)%><br> <%=observe_field 'cat_selected', :url => {:action => :viewflokkur}, :with => 'cat', :method => :get %> When I select one of the options the following gets logged to development.log. Processing CategoriesController#viewflokkur (for 127.0.0.1 at 2010-06-12 12:33:26) [GET] Parameters: {"cat"=>"Taugasjúkraþjálfun", "authenticity_token"=> "B2u5ULNr7IJ/ta0+hiAMBjmjEtTtc/yMAQQvSxFn2d0="} Rendering template within layouts/main Rendering categories/viewflokkur Completed in 20ms (View: 18, DB: 0) | 200 OK [http://localhost/categories/viewflokkur?cat=Taugasj%C3%BAkra%C3%BEj%C3%A1lfun&authenticity_token=B2u5ULNr7IJ%2Fta0%2BhiAMBjmjEtTtc%2FyMAQQvSxFn2d0%3D] According to this I should now be in "viewflokkur", but nothing changes in the browser window. Is there anything else I need to do, maybe in the controller? BR, Sindri

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  • Rack URL Mapping

    - by Puru puru rin..
    Hi, I am trying to write two kind of Rack routes. Rack allow us to write such routes like so: app = Rack::URLMap.new('/test' => SimpleAdapter.new, '/files' => Rack::File.new('.')) In my case, I would like to handle those routes: "/" or "index" "/*" in order to match any other routes So I had trying this: app = Rack::URLMap.new('/index' => SimpleAdapter.new, '/' => Rack::File.new('./public')) This works well, but... I don't know how to add '/' path (as alternative of '/index' path). The path '/*' is not interpreted as a wildcard, according to my tests. Do you know how I could do? Thanks

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  • current_user.user_type_id = @employer ID

    - by sscirrus
    I am building a system with a User model (authenticated using AuthLogic) and three user types in three models: one of these models is Employer. Each of these three models has_many :users, :as = :authenticable. I start by having a new visitor to the site create their own 'User' record with username, password, which user type they are, etc. Upon creation, the user is sent to the 'new' action for one of the three models. So, if they tell us they are an employer, we redirect_to :controller = "employers, :action = "new". Question: When the employer has submitted, I want to set the current_user.user_type_id equal to the employer ID. This should be simple... but it's not working. # Employers Controller / new def new @employer = Employer.new 1.times {@employer.addresses.build} render :layout => 'forms' end # Employers Controller / create def create @employer = Employer.new(params[:employer]) if @employer.save if current_user.blank? redirect_to :controller => "users", :action => "new" else current_user.user_type_id = @employer.id current_user.user_type = "Employer" redirect_to :action => "home", :id => current_user.user_type_id end else render :action => "new" end end ------UPDATE------ Hi guys. In response: I am using this table structure because each of my three user type models have lots of different fields and each has different relationships to the other models, which is why I've avoided STI. By 1.times (@employer.addresses.build) I'm connecting the employer model to the address polymorphic table in one form, so I'm asking the controller to build a new address to go along with the new employer. Averell: you mentioned encapsulating... something in the model using a 'setter' method. I have no idea what you mean by this - could you please explain how this works (or direct me to an example elsewhere)? With tsdbrown's answer I have managed to create the behavior I want... if there's a more elegant way to accomplish the same thing I'd love to learn how. Thanks very much. Thanks to tsdbrown for answering the current_user.save problem!

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  • Find most common string in an array

    - by j.
    I have this array, for example (the size is variable): x = ["1.111", "1.122", "1.250", "1.111"] and I need to find the most commom value ("1.111" in this case). Is there an easy way to do that? Tks in advance!

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  • How to override the attr_protected?

    - by KandadaBoggu
    I have STI implementation as follows: class Automobile < ActiveRecord::Base end class Car < Automobile end class Truck < Automobile end class User < ActiveRecord::Base has_many :automobiles accepts_nested_attributes_for :automobiles end I am creating a list of automobiles for a user. For each automobile, the UI sets the type field and the properties associated with the automobile.While form submission, the type field is ignored as it is a protected attribute. How do I work around this issue? Is there a declarative way to unprotect a protected attribute?

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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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  • 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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  • form_for with json return

    - by Lowgain
    I currently have a form like this: <% form_for @stem, :html => {:multipart => true} do |f| %> <%= f.file_field :sound %> <% end %> This outputs (essentially): <form method="post" id="new_stem" class="new_stem" action="/stems"> <input type="file" size="30" name="stem[sound]" id="stem_sound"> </form> However I'm planning to use jQuery's ajaxForm plugin here and would like the new stem to be returned in JSON format. I know if the form's action was "/stems.json" this would work, but is there a parameter I can put into the form_for call to ask it to return JSON? I tried doing <% form_for @stem, :html => {:multipart => true, :action => '/stems.json'} do |f| %> but this didn't appear to work.

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  • How to pass object in :with field for a link_to_remote call

    - by mathee
    I have an object elem that I'd like to pass to the remove_tag_from_cart method. Here is my attempt: -elem = @tags[1] #{elem.name}#{link_to_remote image_tag('x.png'), :url => {:controller => 'questions', :action => 'remove_tag_from_cart'}, :with => {:tag_to_remove => :elem}} The :with clause isn't working correctly. The image does not even show up. If I take out the :with clause, then the link properly shows up and calls the method correctly, but I need the elem object in order to remove it from the cart. Suggestions?

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  • Creating dynamic resource in cookbook

    - by zsong
    Long story short, here is my code: template "...." do .... notifies :restart,"service[myservice_One]" notifies :restart,"service[myservice_Two]" end ['One', 'Two'].each do |proj| service 'myservice_#{proj}' do start_command "setsid /etc/init.d/my_command #{proj} start" stop_command "setsid /etc/init.d/my_command #{proj} stop" restart_command "setsid /etc/init.d/my_command #{proj} restart" status_command "setsid /etc/init.d/my_command #{proj} status" supports :status => true, :restart => true action [:enable,:start] end end I got this error: template[...] is configured to notify resource service[celery_worker_One] with action restart, but service[celery_worker_One] cannot be found in the resource collection. I know I can duplicate my code to make it work but how to dynamically create the services? Thanks!

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  • Pushing app to heroku error

    - by Ryan Max
    Hello, I am getting the following error when I try to push my app to heroku. I saw a similar thread on here, but the issues seemed related to OSX. I am running windows 7 $ git push heroku master Counting objects: 1652, done. Delta compression using up to 4 threads. fatal: object 91f5d3ee9e2edcd42e961ed2eb254d5181cbc734 inconsistent object lengt h (476 vs 8985) error: pack-objects died with strange error error: failed to push some refs to '[email protected]:floating-stone-94.git I'm not sure what this means. I can't find any consistent answers on the internet. I tried re-creating my ssh public key but still the same.

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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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  • 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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  • Formtastic + nested categories

    - by astropanic
    I have an article model and an category model. Category act as tree. What is the best approch to build a select list to allow the administrator to select an category from a select list to associate it later with an article ? semantic_form_for(@article) do |f| f.input :title, :as => :string f.input :content, :as => :text f.input :category, :collection => #what should go here ? 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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  • Dynamic use of :default_url in Paperclip

    - by dgilperez
    I'm trying to configure Paperclip to provide different missing images based on the instance's category attribute. Every category of the object has its own missing image. This is my first take: EDIT to add full models: class Service < ActiveRecord::Base attr_accessible :logo, :logo_file_name, :logo_content_type, :logo_file_size, :logo_updated_at belongs_to :category, :counter_cache => true has_attached_file :logo, :path => "/:id-:style-:filename", :url => ":s3_eu_url", :default_url => "/logos/:style/#{self.category.name]}.png", :styles => { :large => "600x400>", :medium => "300x200>", :small => "100x75>", :thumb => "60x42>" } end class Category < ActiveRecord::Base attr_accessible nil has_many :services end In my view, image_tag service.logo.url(:thumb) outputs: undefined method `category' for #<Class:0x0000010a731620> Any ideas? EDIT2: A working default_url is :default_url => "/logos/:style/missing.png", SOLUTION: See my own answer below.

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