For days now I have been trying to get to the bottom of what seam to be something that should be very easy to do... I am however still very new to the world of rails and ruby and I just cant work t...

I have User model which has_many :notifications. Notification has a boolean column seen and a scope called :unseen which returns all notifications where seen is false. class User < ApplicationR...

Will it handle the two people updating problem ok? I googled and looked in the api but found nothing Rails 3+, ruby 1.9.3

I have a rails hotel application which has rooms inside it. Rooms can have n number of tickets associated to them. I have create a counter cache with counter culture gem which updates the room tabl...

I just implemented a number of custom counter_caches using code like this: def after_save self.update_counter_cache end def after_destroy self.update_counter_cache end def update_counter_cache ...

I have tables 'orders' and 'items' with has_many association in the model. class Order < ActiveRecord::Base has_many :items class Item < ActiveRecord::Base belongs_to :order Item consists...

I have a Rails 4.2 app with a counter cache (setup with belongs_to :my_model, counter_cache: true) that is setting incorrect values. I can literally call up the console and call MyModel.associated_...

I have the table users and scores. Here are the associations: belongs_to :user #score model has_many :scores #user model The table users has the column called scores_count. In this column I stor...

I have a simple app that receives POSTed images via an API and sends them to S3, via Carrierwave. My Photos table has a counter_cache as well. 80% of the time my transaction time is HUGE, like 60 ...

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 ...

I get the error Unknown key(s): counter_cache when trying to implement a counter cache column in my RoR app. I implemented the model associations in this question: Model association question Here...

I know I can use callbacks but this should be feasible. I did lengthly searching and no result. This is what I thought would have worked. def User < ActiveRecord::Base has_many :documents has...

This is a tricky question. I have a project with multiple content types, such as Article, Review, etc. Each content type has comments, comments are polymorphic as they can belong to any content ty...

I'm getting 'rake aborted! ... posts_count is marked readonly' errors. I have two models: user and post. users has_many posts. posts belongs_to :user, :counter_cache => true I have a migrat...

I have a posts controller and a comments controller. Post has many comments, and comments belong to Post. The associate is set up with the counter_cache option turned on as such: #Inside post.rb h...