similar to: Something wrong with the div

<div id="cart"> <% if @cart.items.empty? %> style="display: none" <% end %> <%= hidden_div_if(@cart.items.empty?, :id => "cart") %> i dont know how to fix it, iv looked all over the book ruby on rails and cant ever find whats wrong with it... -- Posted via http://www.ruby-forum.com/.

<% if @cart.items.empty? %> |^|^|^|^|^|^|^|^|^|^|^|^|^| This peice of code is having a problem in the store.rhtml of my application but i have no idea why... it says that it is and (extracted source... here is the Store.rhtml... this is from an application made in "Ruby on Rails" and it wont tell me how to fix it... iv done everything in the book the exact way its told me,

I followed the sample code in AWDR 2 like this: store_helper.rb def hidden_div_if(conditions, attributes = {}) if conditions attributes["style"] = "display:none" else attr = tag_options(attributes.stringify_keys) "<div #{attr}>" end end store.html.erb <%= hidden_div_if(@cart.items.empty?, :id => "cart") %> <%=

Hello, Im trying to understand how this helper method works: def hidden_div_if(condition, attributes = {}) if condition attributes["style"] = "display: none" end attrs = tag_options(attributes.stringify_keys) "<div #{attrs}>" end This is how they are calling it: <%= hidden_div_if(@cart.items.empty?, :id => "cart") %>

I have attached a screen shot of the error I am running into. I am on page 138 of the Agile Web Development with Rails book by Pragmatic Programmers. I am developing the depot store, and I ran into an error, with hidden_div_if. When I remove that block of code, things to work fine, besides the fact the cart does not display on the site, but everything else functions correctly, so it is

Hi. in the Rails Agile book here''s what was happening: >>> module StoreHelper def hidden_div_if(condition, attributes = {}) if condition attributes["style" ] = "display: none" end attrs = tag_options(attributes.stringify_keys) "<div #{attrs}>" end # format_price method ... end Note that we cheated slightly here. We copied code from the Rails

Help, i''ve been trapped on the tracks here for a day now in the Agile w/ Rails book (latest edition) I can''t get page 115 to display. It says: You have a nil object when you didn''t expect it! You might have expected an instance of Array. The error occured while evaluating nil.each Extracted source (around line #3): 1: <h1> My Agile Cart</h1> 2:

First of all id like to say hi to everyone from Argentina, im yet another Depot first-timer. Going through the example, i got to the point where my cart finally runs Ajax-based. And there is a line where Dave says, after all the job is done "You should see the cart in the sidebar update. And you shouldn''t see your browser show any indication of reloading the page. You''ve

Hi everybody, I''ve search a lot on google to help me with this one without success. I know that some people had the same problem as I have, but there solutions doesn''t seems to work for me. I''m trying to do the depot example in the AWDwR book. But now I''m stock with a problem that I can''t solve. I get this error: <--- begin error here --->

Hello, I should give the expected disclaimer that I am brand new to rails and am going through the Agile web development with Rails book right now. I am in the testing section and I can''t get past an error. this is my cart_test.rb test file: require File.dirname(__FILE__) + ''/../test_helper'' class CartTest < Test::Unit::TestCase fixtures :products def setup

Hi all - I''m working my way through the "depot" tutorial. I''m having a problem with the section where the cart contents are displayed on the order page. The cart contents display fine after I add an item to the cart, but simply does not show up on the order page. Any help would be appreciated. I''m running Locomotive 1.0.0c on Tiger with MySQL from

For example, I want to click a button or a link, then without leaving the page, i want the content of a <div> to change accordingly if I click the link1 I want the content1 to show up inside the <div>here</div> I made it possible by using: <%= render :partial => "icons", :collection => @packages, :locals => { :@icon_name => "-add-black-" }

hi, i''ve been cracking my head on this one for a while and would be humbly grateful for any pointers i''m working through Agile Web Devopment w Rails and, in the depot example have created the cart class for session handling, but am getting the following error, which suggests the @items variable is not being populated with any data from LineItem NoMethodError (You have a

I''ve got an integration test that''s failing but i can''t work out why: Here''s the action being tested - in case anyone recognises it, it''s based on the Depot app in Agile Web Dev with Rails. def checkout @in_checkout = true #don''t let user checkout with an empty cart if @cart.items.empty? redirect_to_index("Your cart is

Thanks in advance I want to know how to solve No method errors Agile Rails 4th ed Great book But second time I get this type of error I would like to know how to troubleshoot and resolve Please see below thanks once again NoMethodError in Store#index Showing C:/rails/shop9/app/views/line_items/_line_item.html.erb where line #9 raised: undefined method `title'' for nil:NilClass

HI, I try use link_to_remote to do a ajax update on my page, when eveything is OK, the syetem returns data to the ajax zone, but when there is something wrong, like the entry wasn''t correct, I want to send data(a message) to another zone (the zone is defined in the layout (message zone used flash[:notice]) I was never able send data to the other zone, because it is on the layout, and I

hi guys im playing with RoR with the environment of rails 3 ruby 1.9 i got stuck in nil can''t be coerced into BigDecimal error i need to get the total cost of the products inside the cart i know where the problem is(i think) but i almost did every thing cart/show.html.rb <div class="cart_title" >Your Cart</div> <table> <% for item in

Hello, I am veeeery new to rails and also to ruby. I have 2 books here on my desk and try to go through it. The first book is "Agile Webdevelopment with Rails" and I have trouble with the following code which I have from the book. I cant get it working. I searched a lot on google - and also on the erata pages of the book publisher but without any luck. I hope someone can help me.

Great. I''m in the development environment and that is the error message I get?! What good does that do me? I''m trying to follow along with the examples in AWDWR(3rd.), and I have this method in a store controller: private def find_cart Cart.new end That works fine, except that every request(initiated by clicking on an ''add to cart'' button) will

I''m having some trouble with an instance variable being read as nil in my app. I have an image uploading, that can be added to categories. The page loads up initially fine, and if I upload an image without errors everything works fine. I''m working on the validation, but with the code I have if their are validation errors it renders ''new'' again, but reads