Things you might not know about Ruby on Rails
I have been digging around the Rails source a lot since the last time I shared my discoveries. Seeing how popular the post was, I have collected a…
Tag Archive: Ruby on Rails
Advisory locking with ActiveRecord
Not too long ago we had a problem with doing (almost) guaranteed inserts for columns with unique constraints on them (see this post). Today I was facing a…
Building Rails 3 custom validators
Actually this post is not so much about just building custom validators for Rails 3 but more like a in-depth introduction to how validations work in the old…
Guaranteeing uniqueness and persistence with ActiveRecord
Generally, when someone wants to ensure that a models field is unique, they use a database unique index in conjunction with validates_uniqueness_of :field. The problem with this approach…
Learning new things about Ruby on Rails every day
Some neat tips and discoveries from the Ruby on Rails source, shared by Tanel Suurhans.
ActiveRecord method_missing with multiple inheritance
Recently I ran into a case where I had two separate “acts_as” style ActiveRecord model extensions which both abused respond_to? and method_missing to dynamically provide virtual attribute support.…
Ruby on Rails before_render filter
You probably have used, or at least seen, ActionController::Filters used in lots of Ruby on Rails based applications. Usually it’s related to some authentication/authorization, or benchmarking or something…
Small team goes a long way
Few days ago I was talking with a friend of mine about different approaches in software development. One of the thoughts that we discussed for quite a while…
Custom dynamic error pages in Ruby on Rails
So you have finished building your Rails application, done some polishing and suddenly you notice that something went horribly wrong in production and you get the well-known default…
Make your Capistrano Growl
Last week, while trying to find some fancy recipes and snippets for Capistrano, I had an idea to use Growl for deployment notifications to let everyone important know…