has-many Questions
1
Solved
ArgumentError: wrong number of arguments (1 for 0)
from /Users/Castillo/Desktop/gainer/app/models/status.rb:13:in `update_remaining_nutrients'
from /usr/local/rvm/gems/ruby-1.9.3-p392/gems/active...
Science asked 10/2, 2014 at 2:28
3
Solved
My User model has_many Responses. I'm trying to create a nested form to create a new user with three child responses. My code looks identical to the Rails cast, but although it will save the user i...
Smaragdite asked 25/1, 2014 at 5:9
1
I know there are questions about HasManyToMany but this time I want to put couple fields into middle table like 'Description, CreationDate'.
For my situation I don't want to bind two way. I have c...
Trellas asked 15/1, 2014 at 11:7
1
Solved
I'm setting up a simple ruby/rails app where users can review albums. On an album's show page I average all the user reviews associated with that album through this code in my albums controller
d...
Equipage asked 31/12, 2013 at 6:27
1
I am new to Backbone-relational, I am not sure what is the right way to use HasMany.
I have a Parent model which have many children (by "many" I mean thousands of children). In order to avoid perf...
Desquamate asked 11/4, 2013 at 16:46
1
I have nested resources in active admin edit page, but I would like only to allow admin to edit content of existing resources, not to add new nested resources. My code looks like that:
form do |f...
Interphone asked 17/10, 2013 at 13:17
1
Wondering if there is an easy way to determine dynamically if a model's association is a "has_one" or "has_many" relationship (i.e. is this an association to one object or many).
I'm using MongoMa...
Iglesias asked 6/7, 2013 at 5:14
6
Solved
I'm using Grails, and I have a domain model with multiple hasMany attributes to the same domain class, which looks like this:
static hasMany = [ posts : Post, likes : Post, dislikes : Post ]
The...
Peyter asked 24/9, 2011 at 2:48
1
Solved
I've been struggling to understand how to use hasMany and belongsTo for quite sometime. My understanding is hasMany is a 1:many relationship and belongsTo is a many:1 relationship--aside: so does t...
Odoric asked 24/10, 2013 at 17:26
1
Solved
I have two models, Complaint and Company. Complaint belongs_to and accepts_nested_attributes for Company, and Company has_many Complaints.
# Models
class Complaint < ActiveRecord::Base
attr_a...
Unbounded asked 18/3, 2013 at 6:46
1
Solved
I have this one to many relationship:
class Programa < ActiveRecord::Base
attr_accessible :descripcion, :nombre, :roles_attributes
has_many :roles, :dependent => :restrict
accepts_nested_...
Selfabsorption asked 9/10, 2013 at 14:22
2
Solved
RailsGuides says:
http://guides.rubyonrails.org/association_basics.html
A has_many "association indicates that each instance of the model has zero or more instances of another model."
"A has_one ...
Slosh asked 25/9, 2013 at 12:44
2
Solved
So here is a sample class
class Company < ActiveRecord::Base
has_many :investments
has_many :vc_firms, through: :investments, source: :investor, source_type: 'VentureFirm'
has_many :angels,...
Decastere asked 9/7, 2013 at 6:19
2
Solved
I am wondering if the counter_cache would work in single table inheritance.
For these models:
class User
has_many :questions
end
class Question
belongs_to :user, :counter_cache => true
end
...
Noncombatant asked 20/10, 2010 at 16:44
1
I am struggling to get my relationship in rails to work.
I have a User,Gallery,Comment model
class Gallery
has_many :comments
belongs_to :user
end
class User
has_many :comments
has_many :g...
Undercarriage asked 10/4, 2013 at 22:59
1
Solved
I would like to add a has_many relationship to two existing tables/models in my app & I'm not too sure how to di it?
When I did this before with a new model the rails generate command handled ...
Kaleidoscope asked 8/4, 2013 at 11:27
2
Solved
There is pretty good article how to filter results in a has-many relation:
How to filter SQL results in a has-many-through relation
I'm just seeking a solution for COUNT result, not show them all....
Serialize asked 13/3, 2013 at 10:40
4
Solved
My problem is this: I want to create a grails domain instance, defining the 'Many' instances of another domain that it has. I have the actual source in a Google Code Project but the following shoul...
2
Solved
I have two models: (Albums and Product)
1) Inside Models
Inside album.rb:
class Album < ActiveRecord::Base
attr_accessible :name
has_many :products
end
Inside product.rb:
class Product &...
Leavetaking asked 26/12, 2012 at 0:1
3
Solved
How can I limit the number of rows returned in a has many relationship? For example:
class User < ActiveRecord::Base
has_many :photos
end
I want to be able to do:
User.includes(:photos =>...
Stipendiary asked 20/5, 2011 at 18:50
3
Solved
In my CakePHP app I have models for Matches and Teams. Each Match has a home_team_id and an away_team_id, both of which reference a different Team.
In my team.php file, I am able to form the relat...
Mala asked 22/5, 2011 at 11:39
1
Stage
Image a gallery application.
I have two models Handcraft and Photos.
One handcraft may have many photos, suppose I have models like this:
Handcraft(name:string)
Photo(filename:string, desc...
Laboratory asked 31/10, 2012 at 23:16
2
Solved
What would be the best way to model the following situation:
Word
belongs_to :wordable, :polymorphic => true
Phrase
has_many :words, :as => :workable
belongs_to :story
Line
has_many :...
Glucoside asked 25/6, 2012 at 16:48
1
Solved
I have a database with 6500 players and each player has an average of 15 game results.
Use case
I want to generate a list of players, ordered by the sum of their prize money (a field in the resu...
Bozcaada asked 10/5, 2012 at 0:30
3
Solved
With these models:
class Week
has_many :proofs
end
class Proof
belongs_to :week
end
I want to do something like:
Week.where(:proof.count.gt => 0)
To find only weeks that have multiple pr...
Michi asked 22/11, 2011 at 7:46
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