similar to: RJS newbie - need help with iterating / existence test

Hi, I''m creating a list of ingredients on a page. When the user clicks the ''Add Ingredient'' button a record gets added to the db and the ingredient gets added to the page. On the page, each record is represented by a <div> with three <span>s inside. One of the <span>s has a link_to_remote to ''delete'' the ingredient. When the link

I''m trying to replicate the "green-bar" effect used in the Depot app using Ajax. And I''m almost there ;-) I''m about to set off on the last stage and would appreciate any advice that would set me off in the right direction. On the page, each record is represented by a <div>. Each <div> has id = "item#{record.id}" with class = either

I have the following models class Recipe < ActiveRecord::Base has_many :ingredient_recipes has_many :ingredients, :through => :ingredient_recipes end class IngredientRecipe < ActiveRecord::Base belongs_to :ingredient belongs_to :recipe end class Ingredient < ActiveRecord::Base has_many :ingredient_recipes has_many :recipes, :through => :ingredient_recipes

Hi, I have a many-to-many relationship between dishes and ingredients class Dish < ActiveRecord::Base has_and_belongs_to_many :ingredients end class Ingredient < ActiveRecord::Base has_and_belongs_to_many :dishes end I have a join table dishes_ingredients now when i access my_dish.ingredients, i get a list of what looks like Ingredient objects, but the but they don''t have

Hi, I''ve been programming in RoR for about a week or 2-3, and I like it very much. Now, I have a certain problem that is very complicated, well for me at least :-) I have 3 database tables: recipes ingredients and another one which binds the previous 2 tables together Now, I want to have an input form where you can insert 1 recipe and a certain amount of ingredients, say 5. What do

Hi, Day 3 with rails here. Forgive me. If this has been covered many times before, pls just point me at the article. I worked through the Rolling with Rails tutorial (http://www.onlamp.com/pub/a/onlamp/2005/01/20/rails.html) built up my cookbook. Things work great. I now want to add Ingredients to my app. So, a Recipe will have 1 or more Ingredients and any single ingredient can be

Dear All, I hope this is not too off-topic. Essentially, I need to know if there is any R package which can help me with a deformulation project. Suppose e.g. that you know from a chemical analysis the fat, mineral, vitamin, energy [and so on] content of a certain food product. You also know the ingredients of this product (e.g. milk, lactose, vegetable oil) and you know the chemical

Hi I''m trying to use restful resources with recipes and ingredients I''ve set up the models using scaffold_resource. A recipe can have many ingredients and an ingredient can be in many recipes. I''ve set the relationships up using a through. I now want to display a recipe with a list of ingredients but I''m unsure how to proceed. Should I use nested resources and

Hello, I just can''t seem to find a way to extend a form dynamically in ROR. Say I am writing a recipe website. There is one form to enter the recipe. There is room for N number of ingredients (let''s say a text field for each ingredient name and selection list for the amount). What if the user wants to add more than N ingredients as he types them in? how do I do this without

Hi, I am trying to call a controller method from my view, but I get an error and I don''t know how to correct it. What i am trying to do: I am in the edit form of the model Product, and products can have many ingredients. So on my edit form there is a text_field where you type the ingredient with a link "Add" which is supposed to add the typed ingredient to the current

Hey guys, Simple question here. I have a single index of recipes, from which I''m looking at the following fields: Name, Ingredient Text, Tags, and Description. The key is, I want to show all the results that come from Name, before I show any of the results from Ingredient Text, Tags, or Description. I tried doing this: acts_as_ferret :fields => { :name =>

I''m using the following RJS template to spit out a div containing a list of projects: page.replace_html ''results'', ''<div>'' @projects.each do |p| page.insert_html :bottom, ''results'', p.name + "<br/>" end page.insert_html :bottom, ''searchresults'', ''</div>'' page.show

What''s the page.method to change the background color of a DOM element? I''m trying to change the background color of a couple of styled <li>''s when an Ajax link is clicked. Thanks, David -------------- next part -------------- An HTML attachment was scrubbed... URL: http://wrath.rubyonrails.org/pipermail/rails/attachments/20060807/63de04bf/attachment.html

I''m trying to update a list, and having a hard time applying visual effects to the latest element created. Here is what I''m doing. =========================================== 1) Creating an "item" via an action, then rendering the RJS template 2) RJS template looks like this: page.insert_html :top, ''items'', :partial =>

I am please to announce the release of Recipe Browser 0.4.1. This project (and files) can be located at http://rubyforge.org/projects/recipe/. This release brings Recipe Browser up to Rails 0.10, with a handful of bug fixes. Special thanks to E Gard (x2egard) the newest member to the project who also happened to do all the work for this release ;). We would love to hear any questions,

When I use clang on Windows to compile a program using regular expressions to intermediate code, then run the result through llvm-link and finally try to generate an executable, I get an error. All of these ingredients are necessary; it works if the program doesn't use regular expressions, and it works if I compile it directly instead of going via intermediate code. The use of the exact

Hi, I''m brand new to RMagick (and pretty new to Rails for that matter!). Right now, site owners are allowed to upload product and ingredient photos to the website. Everything works great, ingredients are sized down and proportioned correctly...the problem is that the resulting images are so blurry! So I''ve been doing some research and it looks like Paperclip::Processor may be the

Question for all: Right now i have a Table in a mySQL DB that has a row called Ingredients. When the data is entered into the DB its enter like so from a text area: 1 1/2 lbs. beef top sirloin, thinly sliced 1/3 cup white sugar 1/3 cup rice wine vinegar 2 tablespoons frozen OJ concentrate 1 teaspoon salt 1 tablespoon soy sauce 1 cup long grain rice 2 cups water 1/4 cup cornstarch 2 teaspoons

Hi, I have a ActiveRecord::ReadOnlyRecord error when i update child attributes whereas when i create a new one it works fine. Someone had this error? Best, greg -- Posted via http://www.ruby-forum.com/. -- 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 am teaching myself R for use in Psych research. I don't understand the error message I am getting or how to fix it. Any suggestions will be greatly appreciated df1=read.table("fastfood.txt", header=TRUE); df1 > > c(t(as.matrix(df1))) > > r = c(t(as.matrix(df1))) # response data > > r > f=c("item1","item2", "item3") > k=3 >