// tag
#ruby
3 posts
03
Applied AI
Evals: The Unit Tests for the Non-Deterministic Parts of Your App
Building an app on top of a language model means part of your code now returns a different answer every time you run it. How do you it consistent — and how do you know that any changes you make improve the results? Enter Evals.
2026.06.22
02
programming
Yes! It's 2021, and Ruby 3.0, and Ruby on Rails 6.1 are alive and thriving. Are you?
Weighing velocity, scalability, maintainability, staffing, and community against what Rails actually delivers in 2021 — with HEY's stack as a case study — to answer whether Rails is still the right choice, or just the comfortable one.
2021.01.23
01
programming
How to Write Awesome CLI tools in Ruby and test them with RSpec and Aruba
This post details how to use dry-cli gem to create multi-command and sub-command CLI tools, and how to test them using RSpec and Aruba.
2020.09.06