similar to: Observing few fields in a form - Best Practise?

Hi all, I have the shopping cart page where a user can add items dynamically through ajax as explained in Railscast episode 75. I am using observe_field to observe the ''quantity'' and ''cost'' fields to update the total field for each item. This does not work however, for records that are added through the Ajax. How can i name the fields and observe them as i have

Hi, How to unlist list column value and add column into data frame. Data frame ID ContractDe PassengersDe TrainnerDe 1 list(ConID=c("Zx","78yu"),ConRes = c("98","Tut")) list(PassID

Hi, I have a couple of daemons that im trying to setup to be run for my app. The environment load is as follows.. ENV["RAILS_ENV"] ||= "development" require File.join(File.dirname(__FILE__), "/../../config/environment") And the error I get is #<LoadError: no such file to load -- active_support> #<Gem::Exception: can''t activate activesupport (=

Hi all, I have been having a very weird problem for a few weeks. I am able to start up the server using "script/server" for my application and run it successfully but "script/console" is not working. I have been managing without it but somethings not right and i need to fix it. This is the error that it throws and the trace. Loading development environment (Rails 2.1.0)

I am using this line on my index.rhtml page to capture the quantity required of a particular item for a basic shopping cart app: <%= text_field ''line_item'', ''quantity'', {:size=>3} %> </td> but my next screen (a cart screen) doesn''t reflect what was entered in that text field when the item is added to the cart. That is,

Hi, I need to install Rmagick to get re-sizing working with Paperclip. My dev machine is on Mac OSX Leopard and the server is on Ubuntu Intrepid 8.1 I dint have Macports or wget at first. I was following this article - http://onrails.org/articles/2007/11/03/installing-rmagick-on-leopard-without-macports-or-fink. Ive done this before too. But some dependency always failed. I want to start with a

Hi Everyone, Sorry, if it's not directly related to Asterisk. Some of people on this list might have PBX deployed for their clients. What software do you use to invoice them so the invoice looks like a proper telecom invoice maybe? Prefer: -opensource with Windows binary available. -able to create .pdf invoices rather than printable ones. Thanks -------------- next part -------------- An

Hi I am new to the whole Rails/Ruby world as having come from a MS .NET background, but I have followed the Depot example in the Agile Web Dev. with Rails book with relative ease. However as an exercise to see how much I had understood, I thought I would attempt to modify the example a bit and add a Quantity field to the store index so as to pass that value into the cart. I have extended the

Hi all i am following this like for basic paypal http://railscasts.com/episodes/141-paypal-basics and i got this error View: <%= link_to "Checkout", @cart.paypal_url() %> undefined method `paypal_url'' for nil:NilClass despite i have this code in my model called Card Cart Model: class Cart < ActiveRecord::Base def paypal_url(return_url) values = {

Hello all, Ive got Mac OS X Leopard (10.5.8), ruby 1.8.6 (2009-06-08 patchlevel 369) [universal-darwin9.0] and mysql 5.0.67 installed and working fine with Rails 2.1.0. "which ruby" outputs /usr/bin/ruby. I can see the mysql symlink in / usr/local/mysql. I can also see the mysql-5.0.67-osx10.5-x86 folder in /usr/local . Im trying to upgrade my Rails apps to 2.3.5 but when i try to

In Depot, the demo application in the the Agile book, actions that modify the model such as add_to_cart redirect to another action that has a clear view role, like index, or show_cart, instead of generating the view themselves. This uses an HTTP redirect that goes to the client and returns. Is this an idiomatic way to design the flow in Rails? -- fxn

Hi, This is my rHtml page & Corresponding actions & model pages:- ===listform.rHtml================= <h1>Products List</h1> <%= start_form_tag(:action => "add_to_cart")%> <table> <tr> <% i=0 %> <th> Product No. </th> <th> Unit Price </th> <th> Available Qty. </th> <th> Demand Qty. </th>

Hello everyone, I am looking for a way to pass off a simple payment to paypal using our own interface. I understand that this requires making full use of Paypal''s API since we won''t be using their shopping cart or anything. I found the article by Pranav Bihari on his site and in the Wiki on using SOAP4R and the paypal WSDL file to interface with paypal web services, but I

I just want to encrypt a string submitted through a form before saving it to the DB. And then decrypt it again when I need to retrieve and use it. Im trying to use the OpenSSL::Cipher library. I have the following module for encryption/decryption [code] require ''openssl'' module AESCrypt # Decrypts a block of data (encrypted_data) given an encryption key # and an

Hi, I have problem with this Windows program called P5Szamla - Invoicing program. I filled a bug. http://bugs.winehq.org/show_bug.cgi?id=18469 " When the one record a new invoice the entered dates is not same those appear in print preview. Please check the attached picture's date "D?tum" fileds. It is different in print previes in the program but all the same in the print

I am building an invoicing system but cannot use the auto_increment field to determine the invoice number (because they are running 3 different companies off the one system. I need to find the last invoice number from any given company and then add 1 to it to get the next invoice number. BUT, there is a unique case on the very first invoice produced because there is no earlier invoice

Does anyone know if it''s possible to do multiple AJAX responses to a single request in Rails? I did some googling but didn''t find anything extremely helpful. Thanks. -- 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

1st: I am a newbie to Rails & to pure OO. Q: I want to use rails for creating a "master-detail" form. page layout will allow users to type in an "expense report header" and as many "expense report lines" as they need to. I understand how to wrap the final submit action using "transaction" to ensure the inserts to the database happen within the same

Hi all, I have a multi model form (Project with many tasks) and I want to prevent a task from being saved to the DB if it is empty ie. if there is no i/p for that task from the user. I tried the following class Task < ActiveRecord::Base before_save :check_if_empty ... def check_if_empty self.destroy if description.blank? end but i get this TypeError in ProjectsController#create

Prior to upgrading from RH7.0 to RH7.3 our Samba filserver worked perfectly. Now we are having locking problems. Initially Iused the same samba binaries built on RH70, I tried rebuilding Samba and reinstalling but it had no effect. If user bon opens an M$-Office file they frequently get a 'file is already in use by bob'. Sure enough smbstatus -L shows the file locked by bob, but bob