The Bike Shed

Software is broken. In this episode, Derek and Sean discuss why exactly it's broken, and what we can do to make it better. The origin of "software engineering" The Coq Proof Assistant NASA's 10 rules for developing safety critical code The differences between strong and static typing "If it compiles it works" Derek adds IS NULL to Diesel "Quickcheck in Ruby" Note: Shopify is fewer than 700 developers Support The Bike Shed

Ruby 2.3 is out! What are we looking forward to trying and what do we think of &. and try? Stick around after the credits for spoiler-filled discussion of Star Wars: The Force Awakens Star Wars Fruit What is Kerberos? Safe navigation operator (AKA the lonely operator) by Georgi Mitrev ActiveSupport’s #try might not be doing what you think it’s doing by Avdi Grimm The history of try in Rails a comment from Myron Marston In Ruby, &method Passes You! Hash#dig Hash Comparison in Ruby 2.3 by Olivier Lacan did_you_mean by Yuki Nishijima. Immutable Strings in Ruby 2.3 by Alexis Mas Multiline strings in Ruby 2.3 - the squiggly heredoc by Damir Svrtan Support The Bike Shed

We discuss the maintenance burden of ActionCable and its dependencies on Rails 5, follow-up on Scenic issues, and discuss implementing migrations anew in Diesel. Don't Breathe DHH on The Bike Shed DHH's ActionCable Demo Fixing Scenic view dumping Updatable materialized views in Scenic A first pass at Diesel migrations Teachable moments Support The Bike Shed

Derek shipped Scenic 1.0, which spurs a conversation about semantic versioning and the value of the 1.0 milestone. We discuss what the bar for breaking changes in a library should be and look at some specific changes on tap for Scenic and whether they will or should carry a major version bump. Scenic Semantic Versioning - See points 4 and 5 Implementing Multi-Table Full Text Search with Postgres in Rails Issue handling view dependencies in Scenic migrations and a potential partial solution The trouble with SELECT * in Postgres views Appraisal Scenic smoke tests Support The Bike Shed

Sean has shipped early versions of Diesel, an ORM for Rust! We discuss its semantic versioning, the ergonomics of use versus the complexities of implementation, early issues with the API and the road to Diesel 1.0. Diesel Semantic Versioning SemVer for Library Maintainers by Richard Schneeman Rust RFC 1122 - Language SemVer Lobsters API hole in diesel updates Implementing IS NULL and IS NOT NULL for Diesel Diesel issue for migrations Crates.io PR for using Database behavior Support The Bike Shed

We talk about lessons learned from teachable moments both in the moment and decades later. Teachable moment Safe Operations for High Volume PostgreSQL by Paul Gross How to Create Postgres Indexes Concurrently in ActiveRecord Migrations by Dan Croak PostgreSQL COPY FROM Guarding against truncating the production database in Suspenders Have Some (Referential) Integrity with Foreign Keys "Inheritance is not for sharing code" tweet from Sarah Mei "Inheritance is for specialization, not for sharing code" from Sandi Metz' "Nothing is Something" talk at RailsConf Let's Not by Joe Ferris Mystery Guest by Dan Croak A modem pool Diesel née YAQB Support The Bike Shed

We speak to Grayson Wright about building Administrate, an open source Rails framework for administrative interfaces. What makes Administrate different than existing solutions and what are the challenges in maintaining high-level dependencies. Announcing Administrate Administrate on GitHub Administrate Demo Bourbon and Neat Responsive tables Spree Keep A Changelog Clearance's NEWS file Code For America Grayson on Twitter Support The Bike Shed

Derek and Sean talk about Derek's exploration into Elixir and Phoenix, when and how performance matters, and ways to keep your Rails app fast from day 1. The Elixir Programming Language Phoenix Web Framework Announcing Ex Machina ex_machina on Github touches are now batched in Rails 5 Basecamp 3 Source Code Bullet and Rack MiniProfiler Railing About Performance with Sam Saffron A Client Project, Two Years Later Derek at a Coworking Space Support The Bike Shed

The ActiveRecord update API is a mess of methods that confuse even ActiveRecord’s maintainer. What are the problems and is there any hope for a solution? 40 Prevent Information leaking In Rails Different ways to update in Rails The Perils of Uniqueness Validations disable with is default in Rails 5 The Bike Shed #11: Forming Opinions Support The Bike Shed

We talk with Yehuda Katz about how much risk is right for you and your app, the sharp tools of high level abstractions, and how our statistical intuition leads us astray on web performance. Remove The Stress, Pick a Deadline Writing Software by DHH Skylight The Log Normal Reality - On how our statistical intuition leads us astray. Yehuda on Twitter Support The Bike Shed