# Field Notes by Lucian Ghinda

> Mostly a weekly email with what I wrote or what I found interesting to read about: Ruby, Testing, Creativity, Tech.

This file provides information about Field Notes by Lucian Ghinda to help large language models understand and reference this publication's content.

## Posts
- [Ruby token-efficiency, LLM-assisted development, and planning Rails upgrades](https://newsletter.lucianghinda.com/p/edition-4): Announcing ChooseRuby.com experiment built entirely with Claude and Cursor. Plus: Ruby's token efficiency with LLMs, improving Git diffs with Delta, Rails 7.2 security timeline, tests vs types in AI-generated code, and practical resources for TDD with AI tools.
- [Tinkering, creativity, and a neat Ruby trick](https://newsletter.lucianghinda.com/p/edition-3): Discover insights on creativity in organizations, Ruby pattern matching, real-world string testing, and YAML pitfalls in Rails. Plus: Rails 8.1 RC1 release, AI-assisted test generation workshop for Ruby developers, and curated links on LLMs and MCP.
- [Git worktrees, cleaning up tests after TDD, comparing time in Ruby on Rails, sampling and testing](https://newsletter.lucianghinda.com/p/edition-2): Practical tips on deleting TDD tests, mastering git worktree, and avoiding time comparison pitfalls in Ruby/Rails
- [Welcome to my personal newsletter](https://newsletter.lucianghinda.com/p/welcome-to-my-personal-newsletter-a144): My first email with notes about Rails 8.1.0, testing, database design, Ruby, workshops, and a welcome note. 

## Pages
- [](https://newsletter.lucianghinda.com/)
- [archive](https://newsletter.lucianghinda.com/archive)
- [authors](https://newsletter.lucianghinda.com/authors)
- [contact](https://newsletter.lucianghinda.com/contact)
- [recommendations](https://newsletter.lucianghinda.com/recommendations)
- [subscribe](https://newsletter.lucianghinda.com/subscribe)
- [tags](https://newsletter.lucianghinda.com/tags)
- [upgrade](https://newsletter.lucianghinda.com/upgrade)

## Authors
- [Lucian Ghinda](https://newsletter.lucianghinda.com/authors/lucian-ghinda)

## Categories
- [Weekly](https://newsletter.lucianghinda.com/t/Weekly)