RubyConf Talks & Presentations

Ruby Central

1.5 is the Midpoint Between 0 and Infinity

A Ruby developer explains why 1.5 can sit midway between zero and infinity, using binary search over floating-point ranges.

• YouTube
• 24 minutes
• Self-Paced
• Conference Talk

Ruby Central

The Case of the Vanished Variable - A Ruby Mystery Story

A Ruby mystery follows Deirdre as she investigates broken code that appears much simpler than it is.

• YouTube
• 38 minutes
• Self-Paced
• Conference Talk

Ruby Central

Bending Time with Crystal - 6 Hours to 15 Minutes

See how Ruby code can be ported to Crystal to build tools that reduce a six-hour task to 15 minutes.

• YouTube
• 30 minutes
• Self-Paced
• Conference Talk

Ruby Central

Building an Education Savings Platform, with Ruby

A look at the ethical responsibilities of engineers building digital products to expand access to post-secondary education.

• YouTube
• 25 minutes
• Self-Paced
• Conference Talk

Ruby Central

RSpec - The Bad Parts

A realistic spec reveals how RSpec’s convenient DSL can obscure tests, and when simpler code makes them easier to read.

• YouTube
• 22 minutes
• Self-Paced
• Conference Talk

Ruby Central

Everything a Microservice - The Worst Possible Intro to dRuby

An introduction to dRuby pushes remote objects to an absurd extreme: making every object in a Ruby program remote.

• YouTube
• 30 minutes
• Self-Paced
• Conference Talk

Ruby Central

A Tale of Two Flamegraphs - Continuous Profiling in Ruby

A look inside Pyroscope’s Ruby profiling stack, ending with how two flamegraphs can tell a story about an application’s performance.

• YouTube
• 33 minutes
• Self-Paced
• Conference Talk

Ruby Central

Boot the Backlog - Optimizing Your Workflow for Dev Happiness

A developer team rethinks its backlog and meeting habits through Shape Up to coordinate work across continents and deliver more value.

• YouTube
• 29 minutes
• Self-Paced
• Conference Talk

Ruby Central

Pushing to Master - Adopting Trunk Based Development

Explores why engineers resist trunk-based development and how teams can overcome the challenges of adopting it.

• YouTube
• 30 minutes
• Self-Paced
• Conference Talk

Ruby Central

Static Typing with RBS in Ruby

A practical comparison of Ruby’s static typing systems, adding type annotations with Sorbet and RBS and exploring whether Sorbet projects can be converted to RBS.

• YouTube
• 22 minutes
• Self-Paced
• Conference Talk

Ruby Central

Helping Redistrict California with Ruby

A Ruby-built system supports California’s redistricting commissioner applications, with separated server processes, isolated networks, and three-factor authentication.

• YouTube
• 30 minutes
• Self-Paced
• Conference Talk

Ruby Central

scip-ruby - A Ruby Indexer Built with Sorbet

See how scip-ruby uses Sorbet to index Ruby code and provide online navigation features such as going to definitions and finding usages.

• YouTube
• 24 minutes
• Self-Paced
• Conference Talk

Ruby Central

How Music Works, Using Ruby

See how sound engineers shape recorded music, then recreate some of their methods in Ruby.

• YouTube
• 28 minutes
• Self-Paced
• Conference Talk

Ruby Central

Boutique Machine Generated Gems

A code generator applies familiar UI component patterns to produce polished Ruby gem code and documentation, helping a popular gem keep pace with changing APIs.

• YouTube
• 32 minutes
• Self-Paced
• Conference Talk

Ruby Central

Start a Ruby Internship

Use a proven blueprint to design an internship program that helps interns contribute on day one while supporting the existing team.

• YouTube
• 1 hour 12 minutes
• Self-Paced
• Conference Talk