If your ActiveRecord models happen to have default ordering scope, you could override this ordering scope in queries by using reorder method.

Rails comes with a powerful and convenient serialize method that would do the serialization/deserializtion for a specify column of an ActiveRecord model. In today tutorial, I’ll walk you through on how to write a custom serializer that would encrypt/decrypt your serialized value for extra security.

Rails is all about Convention over Configuration, this includes the DB primary key, which is always set to be id column. What if you want to use different column as your primary key? Read on and I’ll show you how.

So you have duplicated routes in your resources? In today tutorial, I’ll show you how to DRY it up abit.

Liquid Templating Engine is an awesome technology and with the power of gem ‘liquid’, everybody can start using without much hassles. I saw many projects used this gem but sadly most of them are quite bad. In this tutorial, I’ll go through a bad example and show you how to refactor it.

Kamiari is an awesome that would do all heavy-lifting work if you want to do pagination. Yet Kaminari’s default layout does not fit well with Twitter Bootstrap pagination styling. In this tutorial, I’ll show you how to make Kaminari play well with Bootstrap v3.

Today I learned a nitfy trick from Jon Rowe on how to to create anonymous controller with rspec-rails for controller spec. This would aid testing action callbacks testing in controller.

One of the features I like about RubyMine is the gems dependency graph. This graps shows you all explicit/implicit dependencies of gems defined in your Gemfile. In this short tutorial, I’ll show how to generate this graph with Bundler.

Debugging integration is still a pain with headless driver like poltergeist. In this tutorial I’ll show you a good tip how to switch to selenium for debugging with Firefox.

Restore a DB dump with pg_restore is always a time-consuming process. However if you are using Postgres 8.4 or newer, you could speed it up easily by having multiple concurrent process do it for you.