How to search in rails from two models?
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There are ten answers to this question.
Best solution
I have a user model and a cd model connected through a join table 'cds_users'. I'm trying to return a hash of users plus each cd they have in common with the original user. @user.users_with_similar_cds(1,4,5) # => {:bob => [4], :tim => [1,5]} Is there a better/faster way of doing this without looping so much? Maybe a more direct way? def users_with_similar_cds(*args) similar_users = {} Cd.find(:all, :conditions => ["cds.id IN (?)", args]).each do |cd| cd.users.find(:all...
Answer:
You could use find_by_sql on the Users model, and Active Record will dynamically add methods for any...
MediaJunkie at Stack Overflow Mark as irrelevant Undo
Other solutions
I am using sunspot gem and want to implement a search form like this I have two model articles and books this is my articles model class Article < ActiveRecord::Base searchable do text :title text :content end this my...
Answer:
Did you look at Metasearch(or Ransack) under activerecord-hackery. It provides very nice ways to do...
Vineeth B Sathish at Quora Mark as irrelevant Undo
If there are two specific registration forms where one can either be a publisher or advertiser. Would both still fall under the user model or have two user models that reflect both?
Answer:
One is enough unless you have different properties for each type of user. By the way, StackExchange...
Sean Mullen at Quora Mark as irrelevant Undo
I'm so close to finishing my new database project, but I'm bumping up against my personal ceiling. Can anyone help me determine how to search my Rails project? Background Server Information: - Instant Rails 2.0 - Ruby 1.8.6 Patch Level 111 - Upgrades...
Answer:
Well, all that search code should be in a controller, probably the application controller since you...
jmevius at Ask.Metafilter.Com Mark as irrelevant Undo
How can I do a Rails find JOIN without SQL, using the two tables' existing has_and_belongs_to_many relationships? I have two classes Sample and User, which have: has_and_belongs_to_many :users, :uniq => true has_and_belongs_to_many :samples, :uniq...
Answer:
This kind of sidesteps your question, but avoiding duplicates can be done at the database level by creating...
Blazecock Pileon at Ask.Metafilter.Com Mark as irrelevant Undo
Where can I find the best, proven basic ICT/Internet literacy workshops?Where can I find the best, proven models for providing limited technical support over the phone and via email? This is for teaching a small, disadvantaged group of people who have...
Answer:
Perhaps one way to develop it is to have a person of the target group watch our "able searcher...
By The Grace of God at Ask.Metafilter.Com Mark as irrelevant Undo
For what i know actually, given a relation R(u), where u are (a list of) attributes of the relation R, and a set of functional dependencies F, it's better to obtain the minimal set of functional dependencies to reduce cost of checking if a tuple is valid...
Answer:
The procedure to reach F_{min} should indeed proceed by eliminating single redundant FDs and after that...
Jan Hidders at Quora Mark as irrelevant Undo
The model Profile is generated using Devise. I have established a has one relationship between them. Note: Imagine the two models like airbnb in which a seller can have only one listing and cannot rent Side note: My model Profile is not registerable...
Answer:
If you just want to create a Profile you can use a before_validate ActiveRecord callback to check if...
Marcel Scherf at Quora Mark as irrelevant Undo
I am interested in knowing if there are models and metrics for measuring the success of a caption (or textual snippets) in a search engine. For example let's say I have two models that generate two different types of captions. How can I know that model...
Answer:
Measuring the success of classification is based on two phases. The first one is deciding whether the...
Dan Levin at Quora Mark as irrelevant Undo
I've taken an interest in 3D modeling recently, so I downloaded Blender. I've never tried 3D modeling before, so I'm completely new to everything about it. Right now, I'd like to make two models to use for Team Fortress 2, one to be used by the Sniper...
Answer:
Rigging is putting bones into a 3D model to make it movable. Without the rig, it would just be a T-Pose...
Cameron at Yahoo! Answers Mark as irrelevant Undo
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