similar to: Using ''GET''-method in Forms

Hey, I have a main page that lists a table of Devices, along with a Search box. I''d like to have the Search field pull up any related Devices, and then re-populate the table. I can do this without AJAX, just calling my List action over again, passing the params to search on, but with AJAX I get the error, "Cannot convert nil to string" on this line: @device_pages, @devices =

Hi there, I''ve added an extra bunch of testing features for doing in-browser testing with Selenium, and am having quite a time figuring out how to use url_for with having a controller object present. I''ve tried using ActionController::Base.url_for and ActionView::Helpers::UrlHelper.url_for but haven''t been able to get something that works. What I want to be able

I have a "javascript_include_tag" including a Javascript function. I have a function being invoked via a helper in the same view, which prints out a script tag that uses the javascript function above. Problem is, the function being invoked via the helper can''t find the javascript function included in the "javascript_include_tag". I hardcoded the javascript that

I have a login form, in which I use a "form_remote_tag". I''m redirecting users to this form when they fail authentication as well... and using the "jumpto" method of capturing they original URL they requested via request.parameters, and redirecting to this URL after they authenticate. Problem is, if I try to do a "redirect_to", this won''t work, as

I have this in a model: has_one :next, :class_name=>''WorkPart'', :foreign_key=>''next_id'' And it causes this error: compile error /usr/local/lib/ruby/gems/1.8/gems/activerecord-1.13.1/lib/active_record/deprecated_associations.rb:83: void value expression

Morning/Afternoon/Evening All, This is my first post to the ruby message board so if my request is better suited to another location just let me know, The problem I keep coming up against is with a listing of objects and updating that list via AJAX (for arguments we are talking about a list of users). As it stands I can currently submit a form, and update the list (using :update

I am working on the Agile programming tutorial and trying out some ruby code. Can someone tell me why the following works: <h1>Display Cart</h1> <p> Your cart currently holds <%= @items.size %> <%= @items.size == 1 ? "item" : "items" %>. </p> while this does not? <h1>Display Cart</h1> <p> Your cart currently

Hi all, I''m having a bit of a problem with unit testing. I''ve simplified my models to try and get my head round it but I''m still struggling. I''m using STI and trying to write tests for the extended models (code below). I''ve written test cases for the extended models which themselves extend the test case for the parent model, so BarTest extends

First, BRAVO for this wonderful plugin: has_many_polymorphs ! Now my problem: 4 models : Collection, Page, Fragment, Belonging (which is the join table): 1 class Collection < ActiveRecord::Base 2 has_many_polymorphs :elements, 3 :through => :belongings, 4 :from => [:pages, :fragments, :collections], 5 :as => :collector, 6 :parent_order =>

I am trying this: I want to replace all the text in between java comments: /* start */ replace this text here /* end */ I''m trying: text.gsub(//* start */(.*)/* end *//im, replace_with) But i''m getting errors relating to expecting keyword_end. How should I be escaping /* and */ ? Also, does string interpolation work in gsub regex? Say I had variables like: start_tag =

I have a list of categories, when I delete one of them, I want that item to fade and then get removed. So I do the following: 1. home_controller: def delete @category = Category.find_by_name(params[:name]) @element_id = @category.name Category.delete_all(["name = ?", @category.name]) end 2. delete.rjs: if @element_id page.visual_effect :fade, @element_id

I have a controller method as such: def delete @category = Category.find_by_name(params[:name]) @element_id = @category.name Category.delete_all(["name = ?", @category.name]) end (For the purpose of this exercise, category names are unique) I have the corresponding delete.rjs file: if @element_id page.remove :id => @element_id page.visual_effect :highlight,

> you mean like this? > > def do_some_ajax_thing > <at> element_id = "content_div" > end > > do_some_ajax_thing.rjs > > page.replace_html <at> element_id, :partial => "edit" > > remember, the view templates have access to the attributes defined > in the controller Actually, its more like this: I have a list page. Each row

In the quest to remove all stack VLA usage from the kernel[1], this allocates the working buffers before starting the writing so it won't abort in the middle. This needs an initial walk of the lists to figure out how large the buffer should be. [1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA at mail.gmail.com Signed-off-by: Kees Cook <keescook at

Hi all. I''m running a nightly job that is creating a CSV file and sending to member via SMTP. I got the following error after about 20 emails or so: Net::SMTPServerBusy Too many connections from IP... Is there a way (using ActionMailer) to open a connection and send multiple emails. Or could I make sure the connection is closed before opening another? The only other option is to send

Hello, I''m just starting out with some Rails development and have the following table structure. I understand how to do a two table has many join but I actually need to relate a third table. Here is my structure: components id name updated_at elements id name updated_at element_types id name updated_at components_elements component_id element_id

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

No matter what I try I''ve been unable to work how to get this to work with the cool ActiveRecord helpers. I''m not sure if it''s possible, Josh Susser''s blog suggests it is, but damned if I can work it out... I have: Container which can contain one or more Element. An Element is a polymorph of either a Container or a Chunk. An Element can exist in one or more

Hello, Trying to upgrade an app that was running fine in 3.0.3 to 3.0.9 and while everything works well, I get this error: ActionView::Template::Error (Cannot modify SafeBuffer in place): When passing a string to this function (in application_helper.rb) through a simple: <%= format_me(article[shortdesc])%> def format_me(text, html_options={}, options={}) text =

I''ve got a form that should post to user/login. The code to start the tag is: <%= start_form_tag { :controller => "user", :action => "login" } %> That gives me this exception: compile error script/../config/../app/views/user/login.rhtml:1: parse error, unexpected tASSOC, expecting ''}'' _erbout = ''''; _erbout.concat((