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Hi there - I''m a ruby newbie and am stuck on the Getting Started with Rails app. See output below. Problem arose when I ran the rake db:migrate command. I also tried the ''rake db:migrate RAILS_ENV=development'' command which may be obvious. Any ideas on how to fix this? Many thanks!! $ ruby -v ruby 1.9.3p392 (2013-02-22 revision 39386) [x86_64-darwin10.8.0]

I have a strange behaviour with compiled assets when running a simple draft app locally: RAILS_ENV=production rake assets:precompile The aove command generated some css and js with finger printed values: i.e. application-43dcf2bdff355d2c3053e2aade23881a.css application-c67be452a576850d0c11559f908180e3.js etc. Run in production: rails s -e production There are no CSS fiound ! When

Hello everybody, I have some troubles with uploading files in my Rails project. I use Rails 3, Ruby 1.9.2, rack 1.2.1, and both webrick / passenger on apache I was investigating and have isolated the strange behaviour on a simple empty project: view: <% form_tag({:action => ''upload''}, :multipart => true) do %> <%=text_field_tag :desc %>

Hi all, I am trying to upgrade my rails 2 app to 3 and am getting this error when trying to login: NoMethodError in AuthenticateController#authenticate undefined method `to_sym'' for nil:NilClass The stack trace is: activerecord (3.2.2) lib/active_record/validations/uniqueness.rb:26:in `validate_each'' activemodel (3.2.2) lib/active_model/validator.rb:153:in

Hi Am building a nested form and my code works fine with sqlite3 but throws errors when using Oracle during update action. Am getting the following error: ActiveRecord::RecordNotFound in AWRequestsController#update Couldn''t find WADetail with ID=5000000015 for AWRequest with ID=5000000022.0 Request *Parameters*: {"utf8"=>"✓",

My application, a very simple general ledger, that worked very well until June 26 does not work any longer. It is used under Ubuntu 12.04 and I believe there was a Ruby update after that. What happens? When I try to start the appIication I get the following output in my web browser: ActionDispatch::Session::SessionRestoreError Session contains objects whose class definition isn''t

im working with active admin i have collection_select or dropdown box that populates the packages and crews im just wondering i why this undefined method `[]'' for nil:NilClass` i dont know what happened but it run few days ago and tested it once but now it raises this error are there possible way to solve this? def create @package = Package.find(params[:package_crew][:package_id])

Hi all, I am trying to reproduce rails 3.2 behaviour with fields_for and nested attributes. class ControllerAction < ActiveRecord::Base has_many :interactions, dependent: :destroy has_many :roles, through: :interactions scope :controllers, lambda {|name| where("controller_name_id = ?", name)} scope :actions, lambda {|name| where("action_name_id =

Hi Guys, Facing a weird error . Errno::EAFNOSUPPORT: Address family not supported by protocol - socket(2) It seems to be happening with mail sending mail . I am using AUTHSMTP to send mails . Unable to send mail and the app breaks . Any help will be appreciated . Same code worked with ruby 1.8 and rails 2.3.x . *Configuration* Rails 3.2 Ruby 1.9 Engineyard , Linux Instance *Backtrace :*

Hi Guys, Facing a weird error . Errno::EAFNOSUPPORT: Address family not supported by protocol - socket(2) It seems to be happening with mail sending mail . I am using AUTHSMTP to send mails . Unable to send mail and the app breaks . Any help will be appreciated . Same code worked with ruby 1.8 and rails 2.3.x . *Configuration* Rails 3.2 Ruby 1.9 Engineyard , Linux Instance *Backtrace :*

I have a strange problem with setting request.format = :mobile I can reproduce this problem on a completely fresh Rails 3.0.7 app with no special gems. This seemed to work well in Rails 2 but for some reason is hiccuping here, not sure what''s different in Rails 3 that makes this hiccup. If you look at the stack track, it doesn''t even pass through my app stack once -- weird --

I was reading the book "Agile Web Development with Rails 4th Edition". In Chapter 11, Iteration C2: Adding a Page Layout 1 <!DOCTYPE html> - <html> - <head> - <title>Pragprog Books Online Store</title> 5 <%= stylesheet_link_tag "scaffold" %> - <%= stylesheet_link_tag "depot", :media => "all" %> - <%=

Posted on stackoverflow but no traction yet: http://stackoverflow.com/questions/12942505/why-does-using-set-trace-func-work-in-some-places-but-cause-unexpected-return-l The following is a generified part of the code in a gem I''m working on: module SomeModule class << self attr_accessor :procedure def log_events(*args) args.flatten!

Hi! I write a gem at the moment. The Gem need to register during the process in the rack middleware. So I make an folder "rack" inside my "lib" folder. I called the file "request.rb" because it keeps track of requests. So we speaking about the file /lib/rack/request.rb But even if I place an empty file on this, I get the following:

Working with modules to group certain methods. Currently I have this set up and it works: **# app/models/a.rb** class A has_history end **# lib/history.rb** module History module Model def self.included(base) base.send :extend, ClassMethods end module ClassMethods def has_history(options = {}) send :include,

When i start the server "rails s",following error message appears: => Booting WEBrick => Rails 3.0.7 application starting in development on http://0.0.0.0:3000 => Call with -d to detach => Ctrl-C to shutdown server Exiting /usr/lib/ruby/gems/1.8/gems/actionpack-3.0.7/lib/action_dispatch/routing/mapper.rb:167:in `default_controller_and_action'': missing :controller

Hi, I am following this post * http://www.sitepoint.com/ruby-social-gems-linkedin/* for using linked gem and API for getting profile and other stuff But at the end I am getting this error: => Booting WEBrick => Rails 3.2.13 application starting in development on http://0.0.0.0:3000 => Call with -d to detach => Ctrl-C to shutdown server Exiting

Hi, I have a DB with table TABLENAME, column COLUMN and an active resource client trying to connect to the DB. When i do Tablename.find(:all) => i get all the entries from the table But Tablename.exists?(:column => value) always returns false I verified that the above command works from rails console. Dont understand why it always returns false even when there are valid records. And in

Hi, I just encountered a bit of an issue where we call request.params of an ActionDispatch::Request inside a rack middleware right before a Rails 3.0.3 app. The issue is that the path_parameters never appear in the parameters hash if you call request.params before the rails app. It seems that that the requests.params method memoizes itself in "action_dispatch.request.parameters"

HI All, I have installed the Active Admin successfully, but facing the following error while restarting the server after generating an resource. *rails generate active_admin:resource item* /home/logs/Desktop/training/RAILS/courier/app/admin/items.rb:1:in `<top (required)>'': uninitialized constant Item (NameError) from