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• Real-time chat in Ruby on Rails

  - by Skydreamer

  First, I'm sorry because I know this question has been asked many times but I'm still looking forward to finding the answer to my problem. I'd want to implement a Real-time chat for my Rails app but I can't really host the server which handles the sockets. I've tried Faye but it needs a server. I've also heard of pusher but it's limited to 20…

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• Developing Salesforce apps in Ruby on Rails

  - by Robert S.

  I want to build a web app that uses Salesforce.com data, and I want to build it fast. I'm a .NET developer (WPF, C#, ASP.NET MVC). I understand Ruby and RoR fairly well, but I haven't delivered any Rails apps. I'm wondering, is Ruby on Rails a suitable tool for rapidly building Salesforce apps, or is it better for the "traditional" web2.0…

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• Inspecting the model in a Rails application

  - by Matt Sherman

  I am learning some Ruby on Rails, and am a newbie. Most of my background is in ASP.net MVC on the back end. As I play with a basic scaffold project, I wonder about this case: you jump into an established Rails project and want to get to know the model. Based on what I have seen so far (again, simple scaffold), the properties for a given…

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• Installing Ruby on Rails without access to command line

  - by Darwin

  I'm VERY new to this whole web dev thing but I can program and I liked Ruby when I used it before. Now, I've got web hosting and a domain and a site on there that's currently ran under Joomla but I'd like to experiment with Rails. The most access I can get to the server is FTP and maybe a setting here and there in the control panel.…

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• Rails backend: debugging [closed]

  - by banditKing

  I have a rails -API app with Rabl. Im trying to build a photo sharing app. Im getting status 500 codes when my client communicates with the server. Im trying to find out how to debug this. The client is an iOS app I wrote. Where should I begin the debugging process and what are the best tools for debugging rails-api backend apps. Im…

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• Trouble with Rails has_many relationships

  - by Tchock

  I'm writing an app where a user can both create their own pages for people to post on, and follow posts on pages that users have created. Here is what my model relationships look like at the moment... class User < ActiveRecord::Base has_many :pages has_many :posts has_many :followings has_many :pages, :through => :followings,…

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• rails foreman does not load all my services on start

  - by Rubytastic

  Rails foreman does not load all my services defined in Procfile. Procfile.rb: redis: redis-server resque: bundle exec rake resque:start &&> log/resque_worker_queue.log privpub: bundle exec rackup private_pub.ru -s thin -E production & &> log/private_pub.log sunspot: bundle exec rake sunspot:solr:run I always…

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• rails search nested set (categories and sub categories)

  - by bob

  Hello, I am using the http://github.com/collectiveidea/awesome_nested_set awesome nested set plugin and currently, if I choose a sub category as my category_id for an item, I can not search by its parent. Category.parent Category.Child I choose Category.child as the category that my item is in. So now my item has category_id…

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• Database not completely updated in rails migration

  - by Aatish Sai

  I am new to Ruby on Rails. I have a migration called create user class CreateUsers < ActiveRecord::Migration def change create_table :users do |t| t.column :username, :string, :limit => 25, :default => "", :null => false t.column :hashed_password, :string, :limit => 40, :default => "",…

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• Rails 3 get raw post data and write it to tmp file

  - by Andrew

  I'm working on implementing Ajax-Upload for uploading photos in my Rails 3 app. The documentation says: For IE6-8, Opera, older versions of other browsers you get the file as you normally do with regular form-base uploads. For browsers which upload file with progress bar, you will need to get the raw post data and…

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• How to implement "business rules" in Rails?

  - by Zabba

  What is the way to implement "business rules" in Rails? Let us say I have a car and want to sell it: car = Cars.find(24) car.sell car.sell method will check a few things: does current_user own the car? check: car.user_id == current_user.id is the car listed for sale in the sales catalog? check:…

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• Autocomplete in rails format data and display in a beatiful way

  - by alexeyb

  I use rails 3.2.2 and autocomplete, I m selecting customer by name and formating it in a following way format.json { render :json = @customers.map{ |c| "#{c.name}:#{c.phone1}:#{c.email}" } } so, i need to parse json properly an display in a way i want for example I want write name in but make phone…

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• rails semi-complex STI with ancestry data model planning the routes and controllers

  - by ere

  I'm trying to figure out the best way to manage my controller(s) and models for a particular use case. I'm building a review system where a User may build a review of several distinct types with a Polymorphic Reviewable. Country (has_many reviews & cities) Subdivision/State (optional, sometimes it…

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• Rails Tableless Model

  - by mplacona

  I'm creating a tableless Rails model, and am a bit stuck on how I should use it. Basically I'm trying to create a little application using Feedzirra that scans a RSS feed every X seconds, and then sends me an email with only the updates. I'm actually trying to use it as an activerecord model, and…

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• Ajax request gets to server but page doesn't update - Rails, jQuery

  - by Jesse

  So I have a scenario where my jQuery ajax request is hitting the server, but the page won't update. I'm stumped... Here's the ajax request: $.ajax({ type: 'GET', url: '/jsrender', data: "id=" + $.fragment().nav.replace("_link", "") }); Watching the rails logs, I get the following: …

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• Rails - Scalable calculation model

  - by H O

  I currently have a calculation structure in my rails app that has models metric, operand and operation_type. Presently, the metric model has many operands, and can perform calculations based on the operation_type (e.g. sum, multiply, etc.), and each operand is defined as being right or left (i.e.…

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• rails 4 -- working with js format from ajax

  - by user101289

  I'm still working on learning Rails, and I have a page with team information that will get updated based on a team's icon click, which fires an ajax call to the controller to populate some tabs. I've read some good info about how to use format.js in the controller to render a partial from a…

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• Rails : can't write unknown attribute `url'

  - by user2954789

  I am new to ruby on rails,and I am learning by creating a blog. I am not able to save to my blogs table and I get this error "can't write unknown attribute url" Blogs migration :db/migrate/ class CreateBlogs < ActiveRecord::Migration --def change --- create_table :blogs do |t| …

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• rails paperclip unable to access image from another view

  - by curiousCoder

  my app has an habtm relation b/w listings and categories. now from the categories index page, a user filters select box to view listings in the show page. now i am not able to access images attached to listings in the category show page. listing.rb attr_accessible :placeholder,…

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• trying to convert rails 2.3.4 app to rails 3 but views not appearing

  - by kgrad

  I have a simple rails 2.3.4 application I am trying to get running with rails 3.0.0-beta2. I have the server running and all my links and navigation showing, however for some reason the content of my views is not displaying. When I navigate to Site/index the html in my…

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• Noob Rails ? about learning Rails

  - by user271916

  Hi All I have been programming for a while and for the past 3 or 4 months have been learning ruby. I am not an expert by any means but I believe I have the basics down. I decided to start learning RoR and bought the "Agile Web Development with Rails 3rd Edition" and…

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• Rails 3 Form For Custom Action

  - by Andrew

  I'm having trouble routing a form to a custom action in Rails 3. Here are my routes: resources :photos do resources :comments collection do get 'update_states' end member do put 'upload' end end Here's the form_for: form_for…

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• Can someone explain the true landscape of Rails vs PHP deployment, particularly within the context of Reseller-based web hosting (e.g., Hostgator)?

  - by rcd

  Currently, I have a reseller account with the company HostGator. I design websites, which up until now have occasionally been wrapped in Wordpress CMSs and the like (PHP applications). I then sell hosting (of the site I've designed) to the client, which is…

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• Multiple Rails apps on same subdomain?

  - by Derek

  I recently decided to try out Rails. When working with PHP, I simply had all of my PHP projects in the same directory. For example, I may have http://ubuntu/app1, http://ubuntu/app2, etc. I created a subdomain for Rails (http://ruby.ubuntu), installed Rails…

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• Splitting up a Rails/Ruby app onto multiple servers

  - by craig.kaminsky

  We recently moved a large application to two machines, both running the same codebase. I. Machine A Web server for public facing application Receives web hook call backs from our ESP Handles a few large, list-processing jobs (uploaded spreadsheets with…

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