Giving my enemies a voice

Featuring Shen Sat

I’m remaking a classic boxing video game, with a twist: the narrative is defined through the hopes, dreams and desires of the player’s opponents, not the player themselves. I’ll be talking about flipping enemy design in games on its head, as well as demoing a key part of my boxing game: the...

Improve confidence in your code with mutation testing

Featuring Rafal Szalanski

In this talk I'm going to explain mutation testing and how it helped me be more confident about my Ruby code, and also how to write better Ruby in the future.

Education, Recruitment and Technology: What needs to change?

Featuring Melissa Tranfield

The traditional education system is letting down the next generation by not preparing them for the future of work. Edify is working to change this whilst planning to disrupt the public sector through the innovation of digital policy. Website link: https://www.edifyldn.com/ Twitter for Edify:...

Representations count

Featuring Tom Stuart

In your grandparents’ attic you discover a mysterious old computer. You boot it up and discover it runs Ruby, but doesn’t support negative numbers! How can you implement negative numbers in an elegant way? We’ll explore two solutions and discover how important it is to pick the right...

RSpec - Level Up

Featuring Jon Rowe

You've been using RSpec for a while, you know how to write tests, but you’re not sure you're getting the most from it. This is a quick run through of some of the lesser known, more advanced features of RSpec.

Using ActiveRecord types for backwards compatibility

Featuring Alex Balhatchet

How the CharlieHR team handled a tricky change by using a custom ActiveRecord type as a temporary backwards compatibility layer between the code and the database.

How to Craft Your Commit History

Featuring Tatiana Stantonian

A talk about the importance of narrating your code changes, with practical tips on using git to edit and reorganise your commits. In this talk you'll learn to resolve merge conflicts peacefully, use git rebase interactive --autosquash, refer to your commits using :/keyword instead of their...

Humans Are Hard

Featuring Matthew Rudy Jacobs

Lessons learned from the past decade of coding, learning to understand and work with people.

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A Developer and a Designer, Getting Along Famously

Featuring Boris Divjak and Celia Collins

A short story about how a developer and a designer can learn to fuel each-other’s ideas and why this matters. When our differences enable us to see things from different perspectives, we can take on bigger and more complex problems. When we collaborate every day, nothing can stop us.

Using Rails with a Content Distribution Network (CDN)

Featuring Gideon Goldberg

What is a CDN? Why use one? What support does Rails provide out-of-the-box and what customisations can you make to do more?

Automating Infrastructure Tasks with the Serverless Framework

Featuring Bernat Rafales

How to leverage serverless tools to help you manage parts of your infrastructure

Capybara architecture overview

Featuring Ben Holmes

We'll briefly review the implementation of Capybara's DSL for browser testing.

A different take on validation using the dry-validation gem

Featuring Alfredo Motta

A short introduction to the dry-validation gem and whether or not it might be a good fit for your next project. Both the internals of the gem based on a set of predicate logic primitives, and the API surface which uses a schema based declarative approach are different enough from existing...

The Problem with Compiling Ruby

Featuring Vidar Hokstad

To get maximum performance out of a language, compilation is key, and people have been trying to compile Ruby for a long time, ranging from jRuby and Truffle Ruby to the experimental method JIT in Ruby 2.6. But Ruby is a very challenging language to compile efficiently.

Pro Capybara Herding: Feature Testing Tips

Featuring Oli Peate

How do I debug JavaScript during a test? And how about emulating mobile devices? More importantly how do I mute this video I need to test?! Learn about these topics and more in this lightning talk about testing with Capybara & Chrome.

The Case of the Missing Method — A Ruby Mystery Story

Featuring Nadia Odunayo

Business is slow for Ruby Private Investigator, Deirdre Bug. She’s on the verge of switching industry when she gets a call from an anxious young man. "Some class methods have gone missing," he tells her breathlessly. "I need your help."

Deirdre takes the case and begins...

Open Banking - From Scraping to APIs

Featuring Toby Pinder

Banking is changing, and so is the way we interact with financial services. In the talk we’ll be touching on what Open Banking is and why it’s interesting to software developers. Then we'll launch ourselves into some of the APIs from a rubyist perspective and the real world experiences and...

Automate Your Home with Ruby

Featuring Karl Entwistle

A lightning talk about how I implemented the HomeKit Accessory Protocol in Ruby. A set of protocols and libraries to access devices for home automation on iOS.

Most Valuable Employee Traits from a Business Owner Perspective

Featuring Piotr Nowak

What comes to mind when thinking about tech employee position and progression? What are the most valuable traits from the perspective of business itself as well as personal development at the current position as well as for the future ones? This talk will give insight on the business side of the...

Interface incantations

Featuring Jo Pearce

According to the witches of Terry Pratchett’s Discworld, most magic is simply headology. This talk will mix literary references and outline the headology of interface design, from basic charms and illusions that fool and entice us to the unforgivable curses that can shape our thinking and...