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Rails: Oracle constraint violation

- by justinbach

I'm doing maintenance work on a Rails site that I inherited; it's driven by an Oracle database, and I've got access to both development and production installations of the site (each with its own Oracle DB). I'm running into an Oracle error when trying to insert data on the production site, but not the dev site: ActiveRecord::StatementInvalid…

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How to customize RESTful Routes in Rails (basics)

- by viatropos

I have read through the Rails docs for Routing, Restful Resources, and the UrlHelper, and still don't understand best practices for creating complex/nested routes. The example I'm working on now is for events, which has_many rsvps. So a user's looking through a list of events, and clicks register, and goes through a registration process, etc.…

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Rails, Apache2 on Ubuntu (karmic) deployment

- by Steve

I just need some clarification on a couple of files. My site has an admin subdomain and SSL in addition to the normal *:80 details found in the virtual hosts. My question(s): Do I need to specify a 1) ServerName and 2) DocumentRoot in: /etc/apache2/apache2.conf? I currently enable my site from this directory:…

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Rendering 'belongs_to" in index view question - Ruby on Rails

- by bgadoci

I have created a simple blog application with Ruby on Rails. The applications consists of two tables, posts and comments. Comments belongs_to :post and posts has_many :comments. I created posts table with the following columns: title:string, body:text. I created the comments table with the following columns:…

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Beginner's guide for rails

- by piemesons

Hello friends i need a book/ tutorials for rails without using scoffold. All the books mentioned in the other questions are creating some depot application or etc using scaffold and then explaining things. I believe in the thing that creating big depot is worthless when you are not getting anything. All of my…

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rails: has_many :through validation?

- by ramonrails

Rails 2.1.0 (Cannot upgrade for now due to several constraints) I am trying to achieve this. Any hints? A project has many users through join model A user has many projects through join model Admin class inherits User class. It also has some Admin specific stuff. Admin like inheritance for Supervisor and…

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Changing href atributes with nokogiri and ruby on rails

- by fool

Hi, I Have a HTML document with links links, for exemple: <html> <body> <ul> <li><a href="http://someurl.com/etc/etc">teste1</a></li> <li><a href="http://someurl.com/etc/etc">teste2</a></li> <li><a…

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A really smart rails helper needed

- by Stefan Liebenberg

In my rails application I have a helper function: def render_page( permalink ) page = Page.find_by_permalink( permalink ) content_tag( :h3, page.title ) + inline_render( page.body ) end If I called the page "home" with: <%= render_page :home %> and "home" page's body was: …

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Prevent Rails link_to_remote multiple submits w Javascript

- by Chris

In a Rails project I need to keep a link_to_remote from getting double-clicked. It looks like :before and :after are my only choices - they get prepended/appended to the onclick Ajax call, respectively. But if I try something like: :before => "self.stopObserving()" t,he Ajax is never…

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Net::SMTPFatalError in rails 2.3.4

- by Brian Roisentul

I'm getting the following error when trying to send email on rails 2.3.4(it worked on 2.3.2) using action_mailer_tls plugin: Net::SMTPFatalError in UsersController#create 555 5.5.2 Syntax error. w3sm66205164ybi.9 C:/Program Files (x86)/NetBeans…

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Passing options in autospec with Cucumber in Ruby on Rails Development

- by TK

I always run autospec to run features and RSpec at the same time, but running all the features is often time-consuming on my local computer. I would run every feature before committing code. I would like to pass the argument in autospec command.…

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Rails NoMethodError in loop when method exists

- by Kevin Whitaker

Good day all. I'm running into a bit of a problem getting a script running on my production environment, even though it works just fine on my dev box. I've verified that all the requisite gems and such are the same version. I should mention…

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Switching from form_for to remote_form_for problems with submit changes in Rails

- by Matthias Günther

Hi there, another day with Rails and today I want to use Ajax. linkt_remote_link for changing a text was pretty easy so I thought it would also be easy to switch my form_for loop just to an ajax request form with remote_form_for, but the…

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Ruby on Rails - Primary and Foreign key

- by Eef

Hey, I am creating a site in Ruby on Rails, I have two models a User model and a Transaction model. These models both belong to an account so they both have a field called account_id I am trying to setup a association between them like…

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Creating content for rails-based applications

- by Matthias Hryniszak

Hi, I'm facing a problem of cleaning up my application in Ruby on Rails. What I have is a pretty standard 3-panel, header and footer layout where different parts of the screen contain different functionality. By that I mean for example…

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Tricky MySQL Query for messaging system in Rails - Please Help

- by ole_berlin

Hi, I'm writing a facebook style messaging system for a Rails App and I'm having trouble selecting the Messages for the inbox (with will_paginate). The messages are organized in threads, in the inbox the most recent message of a thread…

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Finds in Rails 3 and ActiveRelation

- by TheDelChop

Guys, I'm trying to understand the new arel engine in Rails 3 and I've got a question. I've got two models, User and Task class User < ActiveRecord::Base has_many :tasks end class Task < ActiveRecord::Base belongs_to :user…

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Rails form with a better URL

- by Sam

Wow, switching to REST is a different paradigm for sure and is mainly a headache right now. view <% form_tag (businesses_path, :method => "get") do %> <%= select_tag :business_category_id,…

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Rails helper module undefined method `sort'

- by Magicked

I'm trying to create a simple helper module in rails, and I'm stumped on the following error message from my new person form (app/views/people/new.html.erb): undefined method `sort' for 97:Fixnum …

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Sending and receiving IM messages via controller in Rails

- by Grnbeagle

Hi, I need a way to handle XMPP communication in my Rails app. My requirements are: Keep an instance of XMPP client running and logged in as one specific user (my bot user) Trigger an event…

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Checking for nil in view in Ruby on Rails

- by seaneshbaugh

I've been working with Rails for a while now and one thing I find myself constantly doing is checking to see if some attribute or object is nil in my view code before I display it. I'm starting to…

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How to stay DRY when using both Javascript and ERB templates (Rails)

- by user94154

I'm building a Rails app that uses Pusher to use web sockets to push updates to directly to the client. In javascript: channel.bind('tweet-create', function(tweet){ //when a tweet is created,…

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ruby on rails one-to-many relationship

- by fenec

I would like to model a betting system relationship using the power of rails. so lets start with doing something very simple modelling the relationship from a user to a bet.i would like to…

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Ruby on Rails bizarre behavior with ActiveRecord error handling

- by randombits

Can anyone explain why this happens? mybox:$ ruby script/console Loading development environment (Rails 2.3.5) >> foo = Foo.new => #<Foo id: nil, customer_id: nil, created_at:…

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rails named_scope issue with eager loading

- by Craig

Two models (Rails 2.3.8): User; username & disabled properties; User has_one :profile Profile; full_name & hidden properties I am trying to create a named_scope that eliminate…

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