I've a table with an integer column called "map_id", I want to add an activeadmin filter to filter if this column IS NULL or IS NOT NULL. How could this be implemented ? I tried the following fil...

I have a Model with :birthday attribute and I want to filter out those dates by month specified in the form (ActiveAdmin's DSL :select). This is an example of simple scope that extract only the mo...

I have belongs_to and has_many assotiations between two models. By default, activeadmin using select input for it. But in my case, it's imposible - because I have a thousands items. When I trying ...

Running into this issue while deploying Rails 3.2 project to Weblogic 10.3 and was looking for an easy answer. org.jruby.exceptions.RaiseException: (NameError) ActiveRecord is not missing constant...

I have a Rails 3 application where my model includes Owners and Properties, each Owner representing a person or institution that owns one or more properties. I would like to be able to search my d...

In my Widget model I have the following: scope :accessible_to, lambda { |user| if user.has_role?('admin') self.all else roles = user.roles role_ids = [] roles.each { |r| role_ids << r....

I've run into a small problem with some search-functionality for a Rails 3 website I'm developing. I have a simple Post model that looks like this: class Post < ActiveRecord::Base acts_as_tagg...

I'm using meta_search to sort columns in a table. One of my table columns is a count of the associated records for a particular model. Basically it's this: class Shop < ActiveRecord::Base has...

The question wasn't clear enough, I think; here's an updated straight to the point question: What are the common architectures used in building a meta search engine and is there any libraries avai...