similar to: getting multiple select to work: options_for_select

I have a data frame with two columns: image pattern 1 http://$IMAGE_ID$ www.url.com/image.jpg 2 $IMAGE_ID$ http://www.blah.com/image.gif ... I want to replace "$IMAGE_ID$" with the corresponding entry in the pattern column such that the result would appear as follows: url http://www.url.com/image.jpg

Hi, Rails 2.3.2, paperclip 2.2.9.2 How can I unit test my model that has a paperclip attachment? I add to my model: --- CODE START --- has_attached_file :image, :default_url => '''' attr_protected :image_file_name, :image_content_type, :image_image_size --- CODE END --- Than I type a UNIT test: --- CODE START --- foo=FooModel.new({:image =>

This is what I have class Photo < ActiveRecord::Base belongs_to :image, :polymorphic => true acts_as_list :scope => image end class Place < ActiveRecord::Base has_many :photos, :as => :image end class Child < ActiveRecord::Base has_many :photos, :as => :image end I want to be able to reorder the images. What I need is for the position of the photos to be set

Can someone please help me with this. I have an Images table :- create table images ( id integer unsigned not null auto_increment primary key, image varchar(200) not null default '''' )ENGINE=InnoDB default CHARSET=latin1; And a car table :- create table cars ( id integer unsigned not null auto_increment primary key, user_id integer unsigned not null, title varchar(100) not

Dear All, I wonder if anyone can advise me as to whether there is a consensus as to how the effect size should be calculated from GLIM models in R for any specified significant main effect or interaction. In investigating the causes of variation in infection in wild animals, we have fitted 4-way GLIM models in R with negative binomial errors. These are then simplified using the STEP procedure,

I'm running SVM from e1071 package on a data with ~150 columns (variables) and 50000 lines of data (it takes a bit of time) for radial kernel for different gamma and cost values. I get a very large models with at least 30000 vectors and the prediction I get is not the best one. What does it mean and what could I do to ameliorate my model ? Jerzy Orlowski

Hi All, I am having a little difficulty using the options_for_select forms helper method. I have a form for an active record object book, which belongs to a publisher. Using the options_for_select is working fine as far as creating the various options, but it will not output the "selected=''selected''" bit of html needed to identify which publisher is

Hello Everyone I have a select_tag which I populate using a map, I use options_for_select method to pass the map and "selected" value. For some reason I can not get the option "selected" based on the value I pass to the selected attribute. Here is the code <%= select_tag :current_course, options_for_select( Course.find(:all).map {|p| [p.title,p.id]}, @selected )

I have this code in a controller that returns images to my browser...with ROR. def index @products = Product.find_all_ pictures end ....this is the .rhtml.. <% for photo in @pic -%> <div class="entry"> <img src="<%= photo.image_url %>"/> <h3><%= h(photo.title) %></h3> <%= photo.description %>

I have a field in a view, like so: <%= select_tag(''quoted_condition'', options_for_select([''NEW'',''RETAIL'',''OEM'',''REFURB''], ''NEW'')) %> This sets the ''selected'' value to ''NEW'' - however, I would like to have a nil value here, so I can

<b>Client</b><br /> <%= select_tag ''clients[]'', options_for_select( [['' '',''1''], [''aaaa'',''2''],

How do I show the selected values in options_for_select? I have a Service model and a AccessControl model. When a user edits a Service I want the services access_controls to be pre-selected. Models: Service has_many AccessControls AccessControl belongs_to Service application.rb: $types = Array["Athens", "htpasswd", "IP", "None", "Other",

With a hash such as: stuff = {''1''=>''desc 1'', ''2''=>''desc 2'', ''3''=>''desc 3''} options_for_select(stuff) will output: <option id="desc 1">1</option> <option id="desc 2">2</option> <option id="desc 3">3</option>

Hi, i''m not sure if this is possible using erb (at the very least, I can''t figure it out by googling or via searching this board), so here goes... i''m using erb to make a select box with several hundred <option> values it looks something like this: <%= select_tag ''controls'', options_for_select(@controls.map {|cpd|

I am ''trying'' to use ''options_for_select'' <select name="selected_distance" id="selected_distance" style="width:8%;"> <%= options_for_select(["2", "5", "10", "15", "25" ], @selected_distance ) %> </select> which generates the html.... <select

Hi, I have a problem with the form select. In the value field I have the generated html... <%= f.select :brand_id, options_for_select([[''Brands'', 0]] + @search_brands.map { |b| [b.name, b.id]}), {:id => ''cbxBrand'', :tabindex => (@tabindex += 1)} %> This is the html: <select name="search[brand_id]"

hey all, I have 3 tables like this: Images (id,name) Tags (id,name) ImagesTags(imageid,tagid) in my image model I do a "has_and_belongs_to_many :tags" but to make it work I need to rename ImagesTags(imageid,tagid) to Images_Tags(image_id,tag_id). My question is that given that I can''t rename the table, is there any way to make it work with the original names? Second question:

#Controller cookies[:state] = state if state != nil and state.to_i != -1 conditions << ''stateid = ?'' cond_args << state cookies[:state] = state end if !cookies[:state].blank? @default_state = cookies[:state] else @default_state = "" end # view - html

Hi! If i have something like this used to create select tag: options = [["Dollar", "$"], ["Kroner", "DKK"]] and later read value from the database and get "DKK", what is the easiest way to get "Kroner" value? -- Posted via http://www.ruby-forum.com/.

I''m trying to get my animal app to let users populate info about each animal. The code below partially works. It shows the drop down menu, and it shows the names of what I wanted it to be the names of the Databases. I don''t know how to make it work so it shows the name dog and than you hit submit and it appears in the dog view. When I hit submit it just makes a new view under the