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• OpenID Authentication using AuthLogic Error

  - by Steve

  Hi, I am trying to implement openid authentication using authlogic. I have installed the open_id_authentication in the process but when I entered rake open_id_authentication:db:create --trace I get the following error (in /Users/felix/login) rake aborted! Don't know how to build task 'open_id_authentication:db:create' /usr/local/lib/ruby/gems/1.9.1/gems/rake-0.8.7/lib/rake.rb:1728:in `[]' /usr/local/lib/ruby/gems/1.9.1/gems/rake-0.8.7/lib/rake.rb:2050:in `invoke_task' /usr/local/lib/ruby/gems/1.9.1/gems/rake-0.8.7/lib/rake.rb:2029:in `block (2 levels) in top_level' /usr/local/lib/ruby/gems/1.9.1/gems/rake-0.8.7/lib/rake.rb:2029:in `each' /usr/local/lib/ruby/gems/1.9.1/gems/rake-0.8.7/lib/rake.rb:2029:in `block in top_level' /usr/local/lib/ruby/gems/1.9.1/gems/rake-0.8.7/lib/rake.rb:2068:in `standard_exception_handling' /usr/local/lib/ruby/gems/1.9.1/gems/rake-0.8.7/lib/rake.rb:2023:in `top_level' /usr/local/lib/ruby/gems/1.9.1/gems/rake-0.8.7/lib/rake.rb:2001:in `block in run' /usr/local/lib/ruby/gems/1.9.1/gems/rake-0.8.7/lib/rake.rb:2068:in `standard_exception_handling' /usr/local/lib/ruby/gems/1.9.1/gems/rake-0.8.7/lib/rake.rb:1998:in `run' /usr/local/lib/ruby/gems/1.9.1/gems/rake-0.8.7/bin/rake:31:in `<top (required)>' /usr/local/bin/rake:19:in `load' /usr/local/bin/rake:19:in `<main>' Can someone tell what am i doing incorrectly Thanks

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• Multiple inputs on a single line with Twitter Bootstrap and Simple Form 2.0

  - by noel_g

  I am using simple_form 2.0 with twitter bootstrap. I am trying to determine what is the proper wrapper format in order to get something like [city] [State] [Zip] I believe my form needs to be <div class="control-group"> <%= f.input :city,:wrapper => :small, :placeholder => "City", :input_html => { :class=>"span2", :maxlength => 10},:label => false %> <%= f.input :region, :wrapper => :small , :placeholder => "Region", :input_html => { :class=>"span1", :maxlength => 5}, :label => false %> <%= f.input :postal_code, :wrapper => :small, :placeholder => "Postal Code",:input_html => { :class=>"span2", :maxlength => 10},:label => false %> </div> I tried this wrapper config.wrappers :small, :tag => 'div', :class => 'controls inline-inputs', :error_class => 'error' do |b| b.use :placeholder b.use :label_input end I believe I would need to define the CSS as well, but before I go down a rabbit hole I thought I would ask if this is built in somewhere.

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• VirtualHost problem with passenger (mod_rails)

  - by Jake

  Hi all, I'm at my wit's end here with virtual hosting. I'm trying to install redmine and it works with the webrick test server, but when I tried to use passenger (mod_rails) to host and go to the address I specified when in the virtualhost part of my apache config file nothing happens. Here is the relavent section of /etc/httpd/conf/httpd.conf where I try to set up the virtual host: <VirtualHost *:80> SetEnv RAILS_ENV production ServerName redmine.MYSITE.com:80 DocumentRoot /opt/redmine-1.0.5/public/ <Directory /opt/redmine-1.0.5/public/> Options -MultiViews Allow from all AllowOverride none </Directory> However, when I got to redmine.MYSITE.com:80 nothing happens, I just get our normal home page. I have no idea what the problem is, any help our guidance would be greatly appreciated. If you need any other information, please tell me and I'll provide it.

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• Omniauth + Pow Issue

  - by neon

  I am having a strange issue with Pow and Omniauth. Omniauth (Facebook Login) works fine when using localhost:3000, but when using Pow (appname.dev) things get fishy. Users are taken through the redirect and properly created if they don't exist in the database, as they should be. After this, however, they are redirected to the root_path and not signed in. Their record is saved in the database as expected, but sign in does not occur. Again, this is only happening on Pow (and lvh.me), and not on localhost. Any ideas? I am using the Devise/Omniauth approach for sign-in, and the controller code looks like this: def facebook @user = User.find_for_facebook_oauth(request.env["omniauth.auth"], current_user) if @user.persisted? flash[:notice] = I18n.t "devise.omniauth_callbacks.success", :kind => "Facebook" sign_in_and_redirect @user, :event => :authentication else session["devise.facebook_data"] = request.env["omniauth.auth"] redirect_to new_user_registration_url end end Again, the user is persisted but there is no flash notice or sign_in that occurs when using POW.

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• Generating URLs when not using an integer as an id?

  - by Synthesezia

  So I'm building a blog engine which has /articles/then-the-article-permalink as it's URL structure. I need to have prev and next links which will jump to the next article by pub_date, my code looks like this: In my articles#show @article = Article.find_by_permalink(params[:id]) @prev_article = Article.find(:first, :conditions => [ "pub_date < ?", @article.pub_date]) @next_picture = Article.find(:first, :conditions => [ "pub_date > ?", @article.pub_date]) And in my show.html.erb <%= link_to "Next", article_path(@next_article) %> <%= link_to 'Prev', article_path(@prev_article) %> In my articles model I have this: def to_param self.permalink end The specific error message I get is: article_url failed to generate from {:action=>"show", :controller=>"articles", :id=>nil}, expected: {:action=>"show", :controller=>"articles"}, diff: {:id=>nil} Without the prev and next everything is working fine but I'm out of ideas as to why this isn't working. Anyone want to helo?

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• Multiple tables on one page with prawn

  - by Ignace

  Hey, I'm using prawn for pdf generation and everything works quite well, but now I'm having a bit of a problem. When I put multiple tables on one page, they just get put over each other and not under each other. Is this normal behaviour and what can I do about it? I add the tables on the most normal behaviour btw :) Thanks!

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• Passing Values to Controllers

  - by Dru

  I'm trying to allow users to 'favorite' links (that is, create a new Favorite record with their user_id and the link_id) This is what I have so far.. When I click favorite (as a user), the new record is assigned to the user_id but the link_id field is nil. How can I pass the link_id into my FavoritesController? My View Code Added Link Model Code class FavoritesController < ApplicationController def create @user = User.find(session[:user_id]) @favorite = @user.favorites.create :link_id => params[:id] redirect_to :back end end The Favorite model belongs to :user and :link Note: I've also tried this but when I click 'favorite', there's an error "Couldn't find Link without an ID." Update <%= link_to "Favorite", :controller => :favorites, :action => :create, :link_id => link.id %> with class FavoritesController < ApplicationController def create @user = User.find(session[:user_id]) @favorite = @user.favorites.create :link_id => :params[:link_id] redirect_to :back end end Returns "can't convert Symbol into Integer" app/controllers/favorites_controller.rb:4:in [] app/controllers/favorites_controller.rb:4:in create I've tried forcing it into an Integer several ways with .to_i

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• What is the difference between a restful route method for getting an index vs. creating a new object

  - by Jason

  According to rake routes, there's the same path for getting an index of objects as there is for creating a new object: cars GET /cars(.:format) {:controller=>"plugs", :what=>"car", :action=>"index"} POST /cars(.:format) {:controller=>"plugs", :what=>"car", :action=>"create"} Obviously, the HTTP verb is what distinguishes between them. I want the "create" version of the cars_path method, not the "index" version. My question is what route method do you invoke to choose the one you want? I'm telling cucumber what path to generate with this: when /the car plug preview page for "(.+)"/ cars_path(:action => :create, :method => :post) ...but it always chooses the "index" action, not "create". I've tried lots of combinations for the hash argument following cars_path and nothing changes it from choosing "index" instead of "create". I'll get an error like this: cars_url failed to generate from {:controller=>"plugs", :method=>:post, :what=>"car", :action=>"create"}, expected: {:controller=>"plugs", :what=>"car", :action=>"index"}, diff: {:method=>:post, :action=>"index"} (ActionController::RoutingError) This seems like a very simple question but I've had no luck googling for it, so could use some advice. Thanks.

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• How to round down a DateTime value

  - by timpone

  I have a Location that can have Events. I want to have an upcoming_events method but want it to round down such that if someone looks at 10pm at night, it will show todays events. I have this: def upcoming_events d=Time.new d.strftime("%m-%d-%Y") l=Event.where('location_id=? and start_datetime>?',self.id, d) end I gets converted down correctly but in d.strftime but the query is: SELECT `events`.* FROM `events` WHERE (location_id=301 and start_datetime>'2012-06-20 02:49:23') Any idea how to just get it to do '2012-06-20'?

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• Configuring Warden for use in RSpec controller specs

  - by Chris Peters

  I was able to use Devise's sign_in method to log in a user in my controller specs. But now that I'm removing Devise from my application, I'm not quite sure how to get similar functionality working with just Warden on its own. How should I go about setting up spec/spec_helper.rb and related spec/support/*.rb files to get Warden running within controller specs sufficiently? I've tried setting up a file at spec/support/warden.rb with these contents: RSpec.configure do |config| config.include Warden::Test::Helpers config.after do Warden.test_reset! end end Then I have before calls similar to this to authenticate a user factory: before { login_as FactoryGirl.create(:user) } But here is the error that I keep seeing: NameError: undefined method `user' for nil:NilClass This error traces back to my authenticate_user! method in the controller: def authenticate_user! redirect_to login_path, notice: "You need to sign in or sign up before continuing." if env['warden'].user.nil? end I'd appreciate any guidance that anyone could provide.

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• Why is the Twitter Bootstrap "fixed" layout NOT fixed?

  - by leonel

  The Twitter Bootstrap site reads as follows: The default and simple 940px-wide, centered layout for just about any website or page provided by a single <div class="container">. Quote from http://twitter.github.com/bootstrap/scaffolding.html#layouts That's exactly what I have in my HTML but when I inspect the element, I see this CSS apply to it: .container, .navbar-fixed-top .container, .navbar-fixed-bottom .container { width: 1170px; } By the way, if I override that CSS rule by adding... div.container{ width:940px; } Then the elements inside the div.container are wider than the div.container itself and look out of place. So, why is the Twitter Bootstrap "fixed" layout NOT fixed? and how can I make it fixed?

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• How to create factories with attr_accesible?

  - by regedarek

  How to deal with factories and attr_accessible? My example: # model class SomeModel attr_accessible :name, full_name, other_name end #spec require 'spec_helper' describe "test" do it do create(:some_model, name: "test name", user: User.first) #factory end end #error ruby(17122,0x12a055000) malloc: *** error for object 0x8: pointer being freed was not allocated *** set a breakpoint in malloc_error_break to debug I think the error is because user_id is not in attr_accesible atributes

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• Help installing delayed_job

  - by Mike

  I'm trying to use collectiveidea's delayed_job gem The installation instructions include Rake tasks are not automatically loaded from gems, so you’ll need to add the following to your Rakefile: begin require 'delayed/tasks' rescue LoadError STDERR.puts "Run `rake gems:install` to install delayed_job" end Where is my Rakefile? And what is a Rakefile?

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• RoR: Output Hash, getting correct parameters?

  - by andrewliu

  I have output something like this: #<Hashie::Mash created_time="1366008641" from=#<Hashie::Mash full_name="Cor Valen" id="22340" username="_corin"> id="4344344286" text="Look Who It Is, My Brother, My Favorite Deputy"> This was an output if I did this: <%= media.caption %> I wanted to get the text part, and I did this: <%= media.caption.text %> gets me error: undefined method `text' for nil:NilClass <%= media.caption[:text] %> gets me error: undefined method `[]' for nil:NilClass I don't get it? Thanks

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• How to give the First image in a gallery a different class than the rest of the images - Carrierwave

  - by ChrisBedoya

  I have a model called "Photo" that belongs to a model called "Shoe". I using Carrierwave to upload multiple images. index.html.erb <% shoes.each do |shoe| %> <div class="shoe"> <div class="gallery"> <% shoe.photos.each do |photo| %> <%= link_to image_tag(photo.photo_file.url(:thumb).to_s), photo.photo_file.url.to_s, :class => 'fancybox', :rel => 'gallery' %> <% end %> </div> </div> <% end %> Outputs this: <div class="shoe"> <div class="gallery"> <a class="fancybox" href="../nike-kd-6-meteorology-2.jpg" rel="gallery"> <img src="../thumb_nike-kd-6-meteorology-2.jpg"> </a> <a class="fancybox" href="../nike-kd-6-meteorology-2.jpg" rel="gallery"> <img src="../thumb_nike-kd-6-meteorology-2.jpg"> </a> <a class="fancybox" href="../nike-kd-6-meteorology-2.jpg" rel="gallery"> <img src="../thumb_nike-kd-6-meteorology-2.jpg"> </a> </div> </div> But I want the first image of each gallery to be able to have its own class and the rest of the images to have their own class. Something like this: <a class="firstclass" href="../nike-kd-6-meteorology-2.jpg" rel="gallery"> <img src="../thumb_nike-kd-6-meteorology-2.jpg"> </a> <a class="fancybox" href="../nike-kd-6-meteorology-2.jpg" rel="gallery"> <img src="../thumb_nike-kd-6-meteorology-2.jpg"> </a> <a class="fancybox" href="../nike-kd-6-meteorology-2.jpg" rel="gallery"> <img src="../thumb_nike-kd-6-meteorology-2.jpg"> </a> How can I do this? Also I want each gallery to have its own unique id but when I try to add this: :rel => 'gallery<%= shoe.id %>' I get a Syntax error. Thanks.

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• Devise: Allow users to edit their account without providing a password BUT also use 'reconfirmable' functionality

  - by Betjamin Richards

  I've been following this how-to in the Devise wiki... How To: Allow users to edit their account without providing a password ...to enable my users to change the account credential and update without providing their existing password. However, I also want to use the Confirmable modules reconfirmable functionality Even though I have config.reconfirmable = true set in my devise initializer file the controller doesn't seem to be sending the reconfirmable emails. Any ideas what's wrong?

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• How to parse an uploaded txt file in Rails3

  - by gkaykck

  I have a form which have a file input; <%form_tag '/dboss/newsbsresult' , :remote=>true do %> <input type="file" id="examsendbutton" name="txtsbs"/><br/> <input type="submit" value="Gonder"> <%end%> Here i want the user to select a txt file which i try to parse and use at server, but i cannot catch the uploaded file with this code, def newsbsresult @u = params[:txtsbs] #Or params[:txtsbs].to_s p @u end What is the true way of achieving this?

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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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• Strange use of the index in Mysql

  - by user309067

  explain SELECT feed_objects.* FROM feed_objects WHERE (feed_objects.feed_id IN (165,160,159,158,157,153,152,151,150,149,148,147,129,128,127,126,125,124,122,121,120,119,118,117,116,115,114,113,111,110)) ; +----+-------------+--------------+------+---------------+------+---------+------+------+-------------+ | id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra | +----+-------------+--------------+------+---------------+------+---------+------+------+-------------+ | 1 | SIMPLE | feed_objects | ALL | by_feed_id | NULL | NULL | NULL | 188 | Using where | +----+-------------+--------------+------+---------------+------+---------+------+------+-------------+ Not used index 'by_feed_id' But when I point less than the values in the "WHERE" - everything is working right explain SELECT feed_objects.* FROM feed_objects WHERE (feed_objects.feed_id IN (165,160,159,158,157,153,152,151,150,149,148,147,129,128,127,125,124)) ; +----+-------------+--------------+-------+---------------+------------+---------+------+------+-------------+ | id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra | +----+-------------+--------------+-------+---------------+------------+---------+------+------+-------------+ | 1 | SIMPLE | feed_objects | range | by_feed_id | by_feed_id | 9 | NULL | 18 | Using where | +----+-------------+--------------+-------+---------------+------------+---------+------+------+-------------+ Used index 'by_feed_id' What is the problem?

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• How to make will_paginate work with liquid

  - by iktorn

  I managed to make a little hack to make will_paginate work with liquid: http://gist.github.com/426737 I wonder if this is safe? Ideas?

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• How would I go about letting a user add and associate a comma separated list of categories while add

  - by Throlkim

  I've been struggling for quite a while to get this feature working: I want my user to be able to select categories when uploading a photograph, but additionally be able to specify a comma-separated list of categories to create/find and associate with the photograph. I've had this working by using an attr_accessor :new_categories on the photographs model, but having that there without the column existing breaks both Paperclip and Exifr. Obviously, image upload and EXIF data retrieval are pretty important for a photography website, but not being able to add categories while uploading a photograph is a pain in the arse. Methods I've tried so far: Using attr_accessor to add a field for new_categories. Breaks gems. Using an Ajax sub-form to add categories. Formtastic can't handle it. Adding a column for new_categories to the photograph model. It works, but it's horrific. I haven't tried using a nested form, but I'd need to intercept it and stop it from processing it as normal. Here's an example of what I'm trying to accomplish: http://imgur.com/rD0PC.png And the function I use to associate the categories: def process_new_categories unless self.new_categories.nil? for title in self.new_categories.split(",") self.categories << Category.find_or_create_by_title(title.strip.capitalize) end end end Has anyone got any ideas as to how to do this?

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• Using Nokogiri to scrape groupon deal

  - by hyngyn

  I'm following the Nokogiri railscast to write a scraper for Groupon. I keep on getting the following error when I run my rb file. traveldeal_scrape.rb:10: warning: regular expression has ']' without escape: /\[0-9 \.]+/ Flamingo Conference Resort and Spa Deal of the Day | Groupon Napa / Sonoma traveldeal_scrape.rb:9:in `block in <main>': undefined local variable or method `item' for main:Object (NameError) Here is my scrape file. require 'rubygems' require 'nokogiri' require 'open-uri' url = "http://www.groupon.com/deals/ga-flamingo-conferences-resort-spa?c=all&p=0" doc = Nokogiri::HTML(open(url)) puts doc.at_css("title").text doc.css(".deal").each do |deal| title = deal.at_css("#content//a").text price = deal.at_css("#amount").text[/\[0-9\.]+/] puts "#{title} - #{price}" puts deal.at_css(".deal")[:href] end I used the exact same rubular expression as the tutorial. I am also unsure of whether or not my CSS tags are correct. Thanks!

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• How would you create a notification system like on SO or Facebook in RoR?

  - by Justin Meltzer

  I'm thinking that notifications would be it's own resource and have a has_many, through relationship with the user model with a join table representing the associations. A user having many notifications is obvious, and then a notification would have many users because there would be a number of standardized notifications (a commenting notification, a following notification etc.) that would be associated with many users. Beyond this setup, I'm unsure how to trigger the creation of notifications based on certain events in your application. I'm also a little unsure of how I'd need to set up routing - would it be it's own separate resource or nested in the user resource? I'd find it very helpful if someone could expand on this. Lastly, ajax polling would likely improve such a feature. There's probably some things I'm missing, so please fill this out so that it is a good general resource.

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• How to access YAML sublevel item in a nested variable?

  - by Kleber S.

  Getting the error: You have a nil object when you didn't expect it! You might have expected an instance of Array. The error occurred while evaluating nil.[] APP_CONFIG are loading fine. account_type = 'sample' allowed = APP_CONFIG['account']["#{account_type}"]['highlight'] Error points to 'allowed' variable line. The method that I currently trying to is: def self.allow_highlight?(account) account_type = Account.find(account).active_pack # returning a string - OK logger.debug account_type.class # checked on console - OK allowed = APP_CONFIG['account']["#{account_type}"]['highlight'] # Error line if total_account_highlight > allowed false else true end end Hope you understand. Any doubts, please ask me. Thanks!

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• has_many conditions or proc on foreign key

  - by ere

  I have a has_many association between two models using a date as both the foreign and primary key for each model. It works perfectly one way but not the other. Works has_one :quiz_log, :primary_key => :start_at, :foreign_key => :start_at Doesn't work has_many :event_logs, :primary_key => :start_at, :foreign_key => :start_at The reason being (i think) because the start_at on QuizLog is a date and the start_at on EventLog is a datetime. So it returns nil trying to match the exact datetime on a simple date. How can I cast the foreign_key start_at on the second statement to convert it first from datetime to simply date so it will match the second model?

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