similar to: has_many :through ... What am I missing?

Hi, I''m trying to use :through and STI using the trunk version of Rails, but I get the following error see bottom of this msg[1] here are my classes. class Player < ActiveRecord::Base end class Ladder < ActiveRecord::Base has_many :subscriptions has_many :players, :through => :subscriptions end class SingleLadder < Ladder end class Subscription <

Guys, I am trying to figure out what exactly does this line do at the end of "acts_as_paranoid" plugin? ActiveRecord::Base.send :include, Caboose::Acts::Paranoid::ActiveRecord My problem: I have some classes that I use acts_as_paranoid, and others with tagging support. Classes declared as taggable, throw error, which appears to be in the acts_as_paranoid version of the

Hello, I get an error while retrieving records from the following model structure. Tables foods - id, food foodallergies - food_id, symptom_id, a few other columns symptoms - id, symptom Models class Food < ActiveRecord::Base has_many :foodallergies has_many :symptoms, :through => :foodallergies end class Symptom < ActiveRecord::Base has_many :foodallergies has_many :foods,

I am dealing with a large project. I use a lot of STI and therfore have a lot of models. I''d like to use namespaces to help organize my models but am having trouble getting started. I have a base model Term::Base located in /app/models/term/base.rb: class Term::Base < ActiveRecord::Base set_table_name "terms" end I have a non-namespaced client model: class Client <

Hi, I recently added 2 serialized columns in my class Server : class Server < ActiveRecord::Base serialize :visa, Hash serialize :appli, Array ... No problem in my controller and my application and everything works as expected : Excel exports following the "visa" Hash or "appli" Array are ok. But since I added the visa Hash, I can''t load the record with

Hi, I''m rather new to Ruby and RoR, so I do not really know whether this ist the right forum to place my question. For my first ''project'' I planned to create a simple online-viewer, which grabs data from an existing database and make them visible in a structured form via browsers. So I thought that could be the right beginner-project, because I have only read datasets

I am trying to reorder a factor data type so that when I plot stats associated with the factor, the ordering makes sense. For instance, if I have a factor entered as follows ... A = as.factor(c("1", "10", "3", "3", "10", "10")) levels(A) ... the ordering does not really make sense (assuming I want the factor ordered by integer

Hi. In this setup "account has_many :consultations". Can anyone explain the following behaviour to me? Rails 1.2.2. The "sum" method should return 0 for an empty array. >> a = Account.find(1) => #<Account:0x39c80a8 @attributes={...} >> a.consultations => [] >> a.consultations.sum(&:foo) ArgumentError: wrong number of arguments (1 for 2)

Dear community, Apologies, I'm still pretty newbie. Anyway, I am performing linar regression analysis. As a common cause of non-normally distributed residuals is non-normally predictor variables, i'm interested in achieving the best transformation of the predictors. I've seen some commands at R, but I would like to know if it exists a command equivalent to gladder (graphic display)

I am trying to create an association table using the ":through" option in "has_many" but not having success. I have created the necessary migrations of the association tables and run rake db:migrate I have the following model: class Group < ActiveRecord::Base has_many :users, :through => :group_user has_many :invites, :through => :group_invite, :class_name =>

Hi to all the crew ! I''ve a little (big ?) problem. I''m using upload_column plugin, it works very well but it throws an exception when I try to repost the form after a validation error. Here some details: Model: (hostel.rb) HOSTEL_PHOTO_DIR = Proc.new {|inst, attr| "hostel/#{inst.id}"} HOSTEL_PHOTO_THUMB = "100x100" HOSTEL_PHOTO_NORMAL =

In my application model I have three classes: Accounts, Projects, and Items class Accounts < ActiveRecord::Base has_many :items, :through => :projects, :source => :items has_many :late_items, :class_name => ''Item'', :through => :projects, :conditions => [''due_on < ?'', Time.now], :source => :items end class Projects <

Hi, I have a self-referential has_many :through relationship setup to track relationships between users. Basically relationships are modeled as a join table with an extra column ''relation''. create table relationships ( user_id integer unsigned not null, friend_id integer unsigned not null, relation char(1) not null, ) --- relations --- f = friend r = request to

hallo everybody, i already googled the following problem, but there are so many questions regarding "has_many :through", that i just couldn''t find what i was looking for. so, i''m really sorry if this has been asked before. if so, just drop me the link. i have a has_many :through relationship similar to the following example: class Group < ActiveRecord::Base

Hi Just curious if anyone can explain why using a dynamic find fails to work with << operator I have standard habtm relationship class User < ActiveRecord::Base has_and_belongs_to_many :roles Now when I assign a Role via << after saving the new User I get wierd behaviour but only when using the dynamic version of find i.e @user = User.new(p) if @user.save #

Hello friends! I am trying to make a database that will have a group of people set to committees, and a person can be in multiple committees, and a committee obviously has multiple people. The people are senators at my university. These are my current models: senator.rb: -- class Senator < ActiveRecord::Base validates_presence_of :first_name, :last_name, :floor has_and_belongs_to_many

The build failed. CHANGES ------- Revision 8649 committed by gbuesing on 2008-01-16 20:07:10 Introducing DateTime #utc, #utc? and #utc_offset, for duck-typing compatibility with Time. Closes #10002 M /trunk/activesupport/CHANGELOG M /trunk/activesupport/lib/active_support/core_ext/date_time/calculations.rb M /trunk/activesupport/test/core_ext/date_time_ext_test.rb TEST FAILURES AND

Hi, I have a SystemStackError. Here is the stack (sorry if it''s a little long) : app/models/line_item.rb:14:in `product'' app/models/line_item.rb:14:in `product'' app/controllers/store_controller.rb:188:in `redirect_to_paypal'' /opt/local/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/ active_record/associations/association_proxy .rb:123:in `each''

Hello, There is a built-in tool in Wireshark for this : menu Telephony => Voip Calls, the select your call and click on "Flow Sequence". Best regards Jean Aunis Le 17/01/2017 ? 12:27, Yves a ?crit : > Hi, > > I am using pcapsipdump for debugging sip calls. > > when I have to debug a call, pcapsipdump generates two files per > call... one for the sip dialog

I''m sure there''s something right under my nose that I''m missing. I have two tables with two parallel one-to-many relationships. I wish to use the :finder_sql parameter to essentially ''or'' the two foreign keys. What isn''t working for me is performing a ''sub-search''. Let''s say the tables are "stores" and