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• modalpopup.js not working properly in windows

  - by jpallavi

  I have applied modalpopup.js to display error & restrict word limit counter to 300words for messages. Although it displays error message but user can still type words more than 300words in windows operating system. It works fine in fedora operating system.Can somebody help solve the issue.

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• Rails has_one vs belongs_to semantics

  - by Anurag

  I have a model representing a Content item that contains some images. The number of images are fixed as these image references are very specific to the content. For example, the Content model refers to the Image model twice (profile image, and background image). I am trying to avoid a generic has_many, and sticking to multiple has_one's. The current database structure looks like: contents - id:integer - integer:profile_image_id - integer:background_image_id images - integer:id - string:filename - integer:content_id I just can't figure out how to setup the associations correctly here. The Content model could contain two belongs_to references to an Image, but that doesn't seem semantically right cause ideally an image belongs to the content, or in other words, the content has two images. This is the best I could think of (by breaking the semantics): class Content belongs_to :profile_image, :class_name => 'Image', :foreign_key => 'profile_image_id' belongs_to :background_image, :class_name => 'Image', :foreign_key => 'background_image_id' end Am I way off, and there a better way to achieve this association?

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• Rails 3 namespacing requires model to be defined twice?

  - by RSG

  I'm pulling my hair out trying to understand namespacing in Rails 3. I've tried following a few different tutorials, and the only way I can get my models to work is if I define my model in both the base directory and my namespace directory. If I only define the model in the namespace directory it expects it to define both Model and Namespace::Model, as below: LoadError (Expected .../app/models/plugins/chat.rb to define Chat): or LoadError (Expected .../app/models/plugins/chat.rb to define Plugins::Chat): I'm sure I'm missing something obvious, but I could really use a pointer in the right direction. Here are the relevant excerpts. /models/plugins/chat.rb class Plugins::Chat include ActiveModel::Validations include ActiveModel::Conversion extend ActiveModel::Naming ... end /controllers/plugins/chats_controller.rb class Plugins::ChatsController < Plugins::ApplicationController load_and_authorize_resource ... end /config/routes.rb namespace :plugins do resources :chats end /config/application.rb config.autoload_paths += Dir["#{config.root}/app/models/**/"]

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• How to update attributes without valitation

  - by Brian Roisentul

  I've got a model with its validations, and I found out that I can't update an attribute without validating the object before. I already tried to add on => :create syntax at the end of each validation line, but I got the same results. My announcement model have the following validations: validates_presence_of :title validates_presence_of :description validates_presence_of :announcement_type_id validate :validates_publication_date validate :validates_start_date validate :validates_start_end_dates validate :validates_category validate :validates_province validates_length_of :title, :in => 6..255, :on => :save validates_length_of :subtitle, :in => 0..255, :on => :save validates_length_of :subtitle, :in => 0..255, :on => :save validates_length_of :place, :in => 0..50, :on => :save validates_numericality_of :vacants, :greater_than_or_equal_to => 0, :only_integer => true validates_numericality_of :price, :greater_than_or_equal_to => 0, :only_integer => true My rake task does the following: task :announcements_expiration => :environment do announcements = Announcement.expired announcements.each do |a| #Gets the user that owns the announcement user = User.find(a.user_id) puts a.title + '...' a.state = 'deactivated' if a.update_attributes(:state => a.state) puts 'state changed to deactivated' else a.errors.each do |e| puts e end end end This throws all the validation exceptions for that model, in the output. Does anybody how to update an attribute without validating the model?

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• Can I share a cookie between multiple domains pointing to the same Rails app?

  - by Newy

  I have x.com pointing to apple.y.com, and separately, also one.y.com and two.y.com. I want the user who visits either x.com, one.y.com or two.y.com to share the same sessions. Is this possible? If not, what's the best compromise?

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• rake test and test_structure.sql

  - by korinthe

  First of all, I have to run "rake RAILS_ENV=test ..." to get the test suites to hit my test DB. Annoying but ok to live with. However when I do so, I get a long stream of errors like so: > rake RAILS_ENV=test -I test test:units psql:/path/to/project/db/test_structure.sql:33: ERROR: function "armor" already exists with same argument types [and many more] It looks like some DB definitions are getting unnecessarily reloaded. I can't find any mention of this on Google, so I was wondering whether others have seen this? I am using a PostgreSQL database with the following in my environment.rb: config.active_record.schema_format = :sql and using Rails 2.3.5 with rake 0.8.7.

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• How to allow devise users to edit their profil?

  - by user1704926

  I have a namespace called "backend" which is protected by Devise. I would like now to allow users to edit their profil. So I created a users_controller in Backend. Here's the users_controllercode : class Backend::UsersController < ApplicationController layout 'admin' before_filter :authenticate_user! def index @users = Backend::User.all respond_to do |format| format.html # index.html.erb format.json { render json: @users } end end def show @user = Backend::User.find(params[:id]) respond_to do |format| format.html # show.html.erb format.json { render json: @user } end end def edit @user = Backend::User.find(params[:id]) end def update @user = Backend::User.find(params[:id]) respond_to do |format| if @user.update_attributes(params[:user]) format.html { redirect_to @user, notice: 'Article was successfully updated.' } format.json { head :no_content } else format.html { render action: "edit" } format.json { render json: @user.errors, status: :unprocessable_entity } end end end end When I go on backend_users_path there is a list of all the users. I would like to permit to edit only his own profil. So I go on the Edit page : <%= link_to "Edit", edit_backend_user_path(backend_user.id) %> . Here's the Edit page code : <%= simple_form_for @user do |f| %> <div><%= f.label :email %><br /> <%= f.input :email, :autofocus => true %></div> <div><%= f.submit "Update" %></div> <% end %> And there is my problem : when I try to modify the email address, nothing happen. The update fails. How can I do this ? I'm quite lost. Thanks by advance.

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• Jquery (non-gem) plugin won't work in my rails 3.2 app

  - by jfdimark

  I'm trying to equalize columns in my rails 3.2 app, and while there may be a better way to do it then my current attempt, after hours of trying to make it work I'd like to see if anyone can point out specifically why this jQuery plugin (which isn't a gem) is not working. I'm not getting any errors in the developer console, so it's hard to pin point. Here's the relevant code: The index view, where I've followed the plugin's instructions: div id="column-group"> <div class="equalize span5 offset1 UserProfile"> <% if user_signed_in? %> <h3>Hello <%= current_user.name %>!</h3> </div> <div class="equalize span5 MemberDisplay"> My application.js file, where I've also included the specific js code, so it would definitely be picked up by the application: //= require jquery //= require jquery_ujs //= require bootstrap //= require equalize_column_heights //= require_tree . $(document).ready(function() { $("#column-group").equalize_column_heights("equalize"); }); The jQuery plugin code, which is saved in my vendor/assets/javascripts folder: (function ($) { $.fn.equalize_column_heights = function (equalize_class) { var tallest_column=0; parent_id = "column-group" + $(this).attr("id") + " ." + equalize_class; $(parent_id).each(function(index, value) { if (tallest_column < $(this).height()){ tallest_column = $(this).height(); } }); $(parent_id).each(function(index, value) { $(this).css({'min-height': tallest_column}); }); } }(jQuery)); I've read all the rails guides documentation on the asset pipeline and all the relevant jQuery-rails3 questions on SO, but after several hours, I just can't seem to figure this one out. If anyone can point to other tutorials on how to get non-gem jQuery plugins to work in a Rails 3.2 app then I'd be glad to take a look!

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• Rails: Best practice to store user settings?

  - by ole_berlin

  Hi, I'm wondering what the best way is to store user settings? For a web 2.0 app I want users to be able to select certain settings. At the moment is it only when to receive email notifications. The easiest way would be to just create a Model "Settings" and have a column for every setting and then have a 1-1 relationship with users. But is there a pattern to solve this better? Is it maybe better to store the info in the user table itself? Or should I use a table with "settings_name" and "settings_value" to be completely open about the type of settings stored there (without having to run any migrations when adding options)? What is your opinion? Thanks

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• Can you call compiled JRuby classes from java?

  - by John Baker

  So I came up with the general idea to write some code in JRuby, then access all the classes via Java. I have no idea if this is at all possible but I wanted to ask anyway. Lets say I have some JRuby code: class adder def addme return 22 end end If I compiled this with jrubyc is there any way I could then possibly do something like this in java: import adder; class anything { void testMethod() { adder a = new adder(); int x = a.addme(); } } After looking at it now it sort of makes me think that Java will have zero idea what sort of item test addme is going to return so that might not work. I don't know but I wanted to throw it out there anyway. Thanks

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• Forms blank when rendering a partial when using a collection of objects. Help!

  - by dustmoo

  Alright, I know my title is a little obscure but it best describes the problem I am having. Essentially, I have a list of users, and want to be able to edit their information in-line using AJAX. Since the users are showing up in rows, I am using a partial to render the data and the forms (which will be hidden initially by the ajax), however, when the rows are rendered currently only the last item has it's form's fields populated. I suspect this has something to do with the fact that all the form fields have the same id's and it is confusing the DOM. But I don't know how to make sure the id's are unique. Here is a small example: In my view: <%= render :partial => 'shared/user', :collection => @users %> My partial (broke down to just the form) note that I am using the local variable "user" <% form_for user, :html => {:multipart => true} do |f| -%> <%= f.label :name, "Name*" %> <%= f.text_field :title, :class => "input" %> <%= f.label :Address, "Address" %> <%= f.text_field :address, :class => "input" %> <%= f.label :description, "Description*" %> <%= f.text_area :description, :class => "input" %> <% end -%> When the html is rendered each form has a unique id (for the id of the user) but the elements themselves all have the same id, and only the last user form is actually getting populated with values. Does anyone have any ideas?? :) Thanks in advance!

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• not in gzip format error

  - by Ravindra

  while installing any Gem or doing any listing of gem gzip related error comes as shown below:- C:\Documents and Settings\gangunragem install rhosync -v 2.0.0.beta7 --pre ERROR: While executing gem ... (Zlib::GzipFile::Error) not in gzip format C:\Documents and Settings\gangunragem list rails -r * REMOTE GEMS * ERROR: While executing gem ... (Zlib::GzipFile::Error) not in gzip format Please help me out how to reslove this

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• Rails SQL injection?

  - by yuval

  In Rails, when I want to find by a user given value and avoid SQL injection (escape apostrophes and the like) I can do something like this: Post.all(:conditions => ['title = ?', params[:title]]) I know that an unsafe way of doing this (possible SQL injection) is this: Post.all(:conditions => "title = #{params[:title]}") My question is, does the following method prevent SQL injection or not? Post.all(:conditions => {:title => params[:title]})

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• Using sortable_element in Rails on a list generated by a find()

  - by Eli B.

  Hey all, I'm trying to use the scriptaculous helper method sortable_element to implement a drag-and-drop sortable list in my Rails application. While the code for the view looks pretty simple, I'm really not quite sure what to write in the controller to update the "position" column. Here's what I've got in my view, "_show_related_pgs.erb": <ul id = "interest_<%=@related_interest.id.to_s%>_siblings_list"> <%= render :partial => "/interests/peer_group_map", :collection => @maps, :as => :related_pg %> </ul> <%= sortable_element("interest_"+@related_interest.id.to_s+"_siblings_list", :url => {:action => :resort_related_pgs}, :handle => "drag" ) %> <br/> And here's the relevant line from the partial, "interests/peer_group_map.erb" <li class = "interest_<%=@related_interest.id.to_s%>_siblings_list" id = "interest_<%=related_pg.interest_id.to_s%>_siblings_list_<%=related_pg.id.to_s%>"> The Scriptaculous UI magic works fine with these, but I am unsure as to how to change the "position" column in the db to reflect this. Should I be passing the collection @maps back to the controller and tell it to iterate through that and increment/decrement the attribute "position" in each? If so, how can I tell which item was moved up, and which down? I couldn't find anything specific using Chrome dev-tools in the generated html. After each reordering, I also need to re-render the collection @maps since the position is being printed out next to the name of each interest (I'm using it as the "handle" specified in my call to sortable_element() above) - though this should be trivial. Any thoughts? Thanks, -e

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• Why does schema.rb change (in the eyes of Git) when just running rake db:migrate?!

  - by erskingardner

  This is a little general I know, but it's been bugging the hell out of me. I've been working on lots of rails projects remotely with Git and every time I do a git pull and see that there is some sort of data change (migration, or schema.rb change) I do a rake db:migrate. These generally run fine and I can continue working. But if you do a git pull and then git status, your working directory is clean (obviously) then do a rake db:migrate (obviously when there are changes) and another git status and all the sudden your db/schema.rb has changed. I have been just doing a git checkout immediately to reset back to the latest committed version of the schema.rb file, but why should this be necessary?! What is rails doing? Updating a timestamp? I can't seem to figure out what the diff is but maybe I'm just missing something?

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• Validating "Visa Debit" cards in ActiveMerchant

  - by robw

  How can I correctly validate a Visa Debit card in ActiveMerchant? At the moment, the card fails to validate despite it being a valid card number. I have tried using :visa, :visa_debit and nil card types.

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• Rails: Creating subfolders in model?

  - by keruilin

  I'm going to have a ton of subclasses, so want to organize them under a subfolder called stream. I added the following line to the environment.rb so that all classes in the subfolder would be loaded: Rails::Initializer.run do |config| ... config.load_paths += Dir["#{RAILS_ROOT}/app/models/*"].find_all { |f| File.stat(f).directory? } ... end I thought this would solve the issue in which by convention the model class is namespaced into an according module. However, when I try to call one of the classes called stream in the stream folder, I get the following error: NoMethodError: undefined method `new' for Stream:Module from (irb):28 from /usr/local/bin/irb:12:in `<main>' Here's the model for the parent and one child: class Stream end class EventStream < Stream end Any idea what the issue is?

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• rspec mocking object property assignment

  - by charlielee

  I have a rspec mocked object, a value is assign to is property. I am struggleing to have that expectation met in my rspec test. Just wondering what the sytax is? The code: def create @new_campaign = AdCampaign.new(params[:new_campaign]) @new_campaign.creationDate = "#{Time.now.year}/#{Time.now.mon}/#{Time.now.day}" if @new_campaign.save flash[:status] = "Success" else flash[:status] = "Failed" end end The test it "should able to create new campaign when form is submitted" do campaign_model = mock_model(AdCampaign) AdCampaign.should_receive(:new).with(params[:new_campaign]).and_return(campaign_model) campaign_model.should_receive(:creationDate).with("#{Time.now.year}/#{Time.now.mon}/#{Time.now.day}")campaign_model.should_receive(:save).and_return(true) post :create flash[:status].should == 'Success' response.should render_template('create') end The problem is I am getting this error: Spec::Mocks::MockExpectationError in 'CampaignController new campaigns should able to create new campaign when form is submitted' Mock "AdCampaign_1002" received unexpected message :creationDate= with ("2010/5/7") So how do i set a expectation for object property assignment? Thanks

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• RSpec View testing: How to modify params?

  - by sebastiangeiger

  I am trying to test my views with RSpec. The particular view that is causing me troubles changes its appearance depending on a url parameter: link_to "sort>name", model_path(:sort_by => 'name') which results in http://mydomain/model?sort_by=name My view then uses this parameter like that: <% if params[:sort_by] == 'name' %> <div>Sorted by Name</div> <% end %> The RSpec looks like this: it "should tell the user the attribute for sorting order" do #Problem: assign params[:sort_for] = 'name' render "/groups/index.html.erb" response.should have_tag("div", "Sorted by Name") end I would like to test my view (without controller) in RSpec but I can't get this parameter into my params variable. I tried assign in all different flavours: assign[:params] = {:sort_by => 'name'} assign[:params][:sort_by] = 'name' ... no success so far. Every idea is appreciated.

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• How do you deploy your Rails application?

  - by Michael Sync

  Do you upload your rail application to your host via FTP first? I'm currently using Passenger and Capistrano. If I do "cap deploy" in my local machine then I think Capistrano should upload my rail application to my host, right? Someone from my host is saying that I need to run "cap deploy" in server. I think it doesn't make sense.

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• Awesome nested set plugin - how to add new children to the tree at various levels

  - by Sumeru Suresh

  Hi I have a tree structure.. I am using Awesome nested set plugin. how to add nodes to the children at various levels. Please help me. I want to add ,edit and delete nodes at any levels. Can anyone help me for the same?

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• Searching and sorting by a float field with thinking sphinx

  - by nathan Verni

  I'm using thinking sphinx to for search on a rails app. I have a float field called 'height'. I need to be able to search this field for exact values (i.e. exactly 6.0, not 6.5). I also need to be able to sort on the field. What I have so far: indexes height, :sortable => true Problem: doesn't sort properly, returns 6.0 and 6.5 if I search for '6'

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• How to copy a file using Paperclip

  - by CalebHC

  Does anyone know of a way to copy files with Paperclip using S3 for storage? Before I try to write my own, I just wanted to make sure there wasn't already a way to do this. Speaking of copying, is there an easier way of copying a whole model including all of its has_many relationships? Sorry for the second question but it kind of fits! :) Thanks

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• Select-all checkboxes in a FORM_TAG

  - by Horace Ho

  In a form_tag, there is a list of 10 to 15 checkboxes: <%= check_box_tag 'vehicles[]', car.id %> How can I select-all (put a tick in every single) checkboxes by RJS? Thanks EDIT: Sorry I didn't make my question clear. What I meant to ask is how to add a "Select/Un-select All" link in the same page to toggle the checkboxes.

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• Longest item in array

  - by c00lryguy

  Is there an easier way than below to find the longest item in an array? arr = [ [0,1,2], [0,1,2,3], [0,1,2,3,4], [0,1,2,3] ] longest_row = [] @rows.each { |row| longest_row = row if row.length > longest_row.length } p longest_row # => [0,1,2,3,4]

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