similar to: Is it suitable using STI?

Hello. There is someone interested to a collaboration in developing a project to manage commercial activities? The target is to learn more on grails and develop an useful application. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To unsubscribe from this group and stop receiving emails from it, send an email to

I have: <%= form_for(@supplier) do |f| %> ....... ...... <%= render ''sector_categories'', :locals => {:f => f} %> in _sector_categories partial I have: <div class="field"> <div id="category_update"> <% for category in @categories %> <%= f.check_box :category_ids[], category.id,

The test: test "should get new" do get :new, :room_id => @room.name assert_template(:ne) end the template new does not exists but the test does not get failure. Why? -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to

Today was expected the new stable rails release 3.0.9 with some fixed, among all the problem with escape_javascript. It seems that it see that has not been released, unfortunately. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to

Hi everybody, I''m starting a new 3.2 project and i need to know the best hosting offers THanks for your help -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To view this discussion on the web visit https://groups.google.com/d/msg/rubyonrails-talk/-/eCOQw_HiChwJ. To post to this group, send email to

Even reading the documentation I can not figure out what is the select_tag difference between this: <% = select_tag (bags [], "options_for_select (bags.collect @ {| bb | [bb.bag_type, bb.id]}, ruser.bags.collect @ {| ub | ub.id}), {: multiple => true,: id => "bags"})%> and this: <% = select_tag "bags [], " options_for_select (bags.collect @ {| bb

If I don''t want xml results but only html can I omit respond_with in some actions? For example index from: respond_with(@sectors = Sector.all) becomes only @sectors = Sector.all isn''t it? -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to

I have a .cfg configuration file for a xen virtual machine. I need to convert it in xml format to use with libvirt. So I run virsh domxml-from-native xen-xm backupsrv.cfg but I have an error: error: Unknown failure. How can I investigate about the error?

In the model I have: validates :square_meters_public_land, :barrier_meters, :numericality => { :greater_than_or_equal_to => 0 }, :allow_nil => true but if, in the field, on create, I don''t insert a value I have the error "field is not a number". -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To

I''ve seen http://railscasts.com/episodes/73-complex-forms-part-1, part2 and part3. It seems to be my case. I have: Company has_many :documents has_many :tenders, :through.......... and Document belongs_to :company Tender has_many :companies, :through.......... I want to insert documents and tenerds on company creation. If documents are more than one the user can click "add

Hello. I''ve read about examples on inheritance with rails. Here is an example: http://juixe.com/techknow/index.php/2006/06/03/rails-single-table-inheritance/ The way is to add a type field in the table. So if I have an Animal class with an attribute name, I can inherit from this class like: Dog < Animal, Cat < Animal, and so on. With the type field in the table I can do Dog.all,

I''m going through DHH''s Agile Web Development with Rails for Rails 3.1. In chapter 14 they create a Users sign-in model/view/controller using the has_secure_password method. My user.rb file looks like this class User < ActiveRecord::Base attr_accessible :name, :password_digest, :password, :password_confirmation validates :name, presence: true, uniqueness:

class Category < ActiveRecord::Base belongs_to :sector has_and_belongs_to_many :suppliers validates :sector, :name, :presence => true As you see I have validates :sector, :presence => true. When I create a new Category, if I don''t select a sector I have an error page with the message: Couldn''t find Sector with ID= But there is the validates, why I don''t

I need to installa a streaming server for live videos and for video on demand. My choice is red5. Do you think I can use a xen virtual machine to run a streaming service? Or it is better not to virtualize? Sorry for my bad english. _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users

In routes.rb I''ve put: resources :sessions controller is: class SessionsController < ApplicationController def destroy session[:id] = nil session.delete(:casfilteruser) CASClient::Frameworks::Rails::Filter.logout(self) end end In application.html.erb I have: <%= link_to ''Logout'', session_path(session[:cas_user]), :method => :delete %> I

I have a csv file and in my controller: uploaded_file = params[:upload][:csv].read @rows << FasterCSV.parse(uploaded_file) I want to put in @rows only the first 10 lines but the read method reads all the file. How can I do? -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to

Hello, I need some help with regex. I have this to sentences. I need to extract both "49MU6300" and "LE32S5970" and put them in a new colum "SKU". A) SMART TV UHD 49'' CURVO 49MU6300 B) SMART TV HD 32'' LE32S5970 DataFrame for testing: ecommerce <- data.frame(a = c(1,2), producto = c("SMART TV UHD 49'' CURVO 49MU6300",

"Please, consider that some SKUs have "-" in the middle, for example: "PG-9021". Then you need to include these in the list of patterns you gave. Try it again -- this time with a **complete** list. -- Bert Bert Gunter "The trouble with having an open mind is that people keep coming along and sticking things into it." -- Opus (aka Berkeley Breathed in his

I am learning Rails 3 and need some help on Ajax part. I am trying to accomplish the following: There is a textarea on the page which has a length of letters constraint, say 100. Every time a symbol is typed there,a nearby label tells you how many letters you have left. I plan to use Ajax to do this. I googled for a few hours and could not figure out how to do this. So far what I have done is

Hi, Is there any news about CentOS 5.2 updating to php 5.2? Best Regards, Melinda Odom Design Hosting, Inc. Web Design, Web Hosting, & Ecommerce Solutions 479-471-0891 CST info at designhosting.biz http://www.designhosting.biz