Principles for deciding what to work on »
4 May 2017
Towards the end of last year I bowed out of a four and a half year stint as Loco2’s Technical Director. Doing so forced me to consider, for the first time in a while, what it is that I really want to do in my working life.
Square pegs, round holes, and Rails' directory structure »
16 March 2017
Where should you put code in your Rails application? Often, the answer
is obvious: models go in
app/models/, controllers go in
app/controllers/, and so on.
Overhauling Loco2's hosting infrastructure with AWS, Docker and Terraform »
16 December 2016
Recently I worked on a major overhaul of the infrastructure hosting Loco2.com. In this post, I’ll dig into the details of what we did and why.
Revocable sessions with Devise »
10 October 2013
By default, session data in Rails is stored via a cookie in the user’s browser. It’s a nice, simple storage mechanism, but it means that the server has absolutely no “memory” of a given session. This can cause security problems for your application.
Poltergeist 1.0! »
7 October 2012
Almost a year ago, on a complete whim, I decided to try to hook up the headless browser PhantomJS with Ruby’s full-stack acceptance testing framework, Capybara.
Explaining Focused Controller »
20 September 2012
Controllers in Rails are a problem. Actions sometimes become unmanageably long, and it’s often difficult to know how to test them when you need it most. At Railsberry in May, I presented a new way of writing controllers.
Rails controllers and OOP »
20 April 2012
Rails controllers violate the Single Responsibility Principle. Each “action” has a different responsibility and should be contained in a separate object. Controllers are also hard to unit test, so we end up using slow “functional tests”.
15 April 2012
Recently I pushed version 0.6.0 of Poltergeist. This version brings some pretty awesome features that I am very excited about.
Tracking down method definitions in Ruby »
19 February 2012
One of my favourite features of Ruby 1.9 is the
#source_location method of
Method. Let me explain. Often I am confronted with a large code base (usually Rails), and want to figure out exactly where some method on some object is defined. Rails has many dark corners, and sometimes finding things isn’t entirely straightforward.
How to prevent Ruby's test/unit library from autorunning your tests »
19 February 2012
Today I had a situation where I wanted to use perftools.rb to profile a test suite, which was written with Ruby’s
Hashes and encapsulation »
9 January 2012
Earlier today I made an off-the-cuff remark about encapsulation on twitter.
Poltergeist: A PhantomJS driver for Capybara »
3 January 2012
This announcement is coming way later than I had originally intended. Last October I started experimenting with the idea of writing a driver for Capybara that would use PhantomJS as the browser.
initialize_copy in Ruby »
30 August 2011
Ruby has two methods for creating shallow copies of objects:
Mass assignment security shouldn't happen in the model »
14 August 2011
Mass assignment security is a feature in Active Model (and therefore Active Record) which allows you to be selective about what input you will accept when ‘mass assigning’ a hash of attributes.
How to write an awesome Active Record bug report »
10 July 2011
The main area of Ruby on Rails that I work on is Active Record. As such, I see a lot of bug reports for Active Record. This article will be about how to submit a good bug report to help people like me (Rails committers) help people like you (bug inflicted developers).