Active Associations
October 22, 2020Determine all the associations for your ActiveRecord model, no matter how sprawling.
17 posts tagged with "rails"
hunting monkey patches
August 08, 2015Ruby monkeypatching is a dangerous, but necessary tool. It is convenient to add new behaviours to existing classes, or to replace existing…
Don't count your chickens if they are ActiveRecord objects
May 07, 2015You may believe that , , and are fairly equivalent: But, beware of in Rails! and are largely equivalent, but issues an additional query…
local load balancing
April 22, 2015You can mimic the end-user’s UI experience accurately enough by running application code locally, but what about the backend? Once your code…
exploring the stack
March 25, 2015Another brilliant Rails troubleshooting technique I have recently added to my toolbox is as an add-on to . 1. Add and to the development…
debugging techniques
February 02, 2015I am working on upgrading an application from Rails 3.0 to Rails 3.2. While the numbers tell you it is a minor version change, there are…
scopes and single table inheritance
January 22, 2015Single table inheritance (STI) is a way to emulate object-oriented inheritance in a relational database by storing multiple object types in…
objects vs data structures
January 18, 2015“It is impossible to create an abstraction unknowingly or by accident,” says Sandi Metz in Practical Object Oriented Design in Ruby. An…
#dup vs #clone in Ruby and rails
January 10, 2015I was recently fixing a failing test and discovered that Ruby and Rails implement and in confusing and occasionally opposite ways. In…
method lookup in ruby
December 28, 2014I have once more been working my way through Sandi Metz’ Practical Object-oriented Design in Ruby (POODR) for a few weeks, and developed a…
Factoring In Nests
October 30, 2013I am building an application that uses several nested attributes: Users have many Goals (Goals belongto Users), and Goals have many Hours…
Partial to Ajax
October 19, 2013I have been building a new project and getting creative with views. I am working with bootstrap and jquery to develop tabbed displays, and…
Rails, You Can Depend on Javascript
September 17, 2013I am between computers at the moment, and I really really miss my OSX development environment. Dependency installation is so smooth and…
Mass assignment X Gravity
July 15, 2013What is Mass Assignment? Mass assignment is using a ruby-esque shortcut to interact with models: This is NOT mass assignment. Each param is…
Red, Green, Refactor! A Workflow for Rails
July 03, 20131. Write a failing test Use the failures to drive development: 2. No Route Add one to /config/routes.rb: 3.No Controller Add one to…
No index.html, no cry
June 29, 2013Following along with Rails tutorial by Michael Hartl, I built a sample app with a simple database, linking users to microposts in a twitter…
A Flash of Understanding
April 13, 2013My page wouldn’t flash the user. Trundling along the Hartl railstutorial, I needed to write some logic to allow a user to update their…