Brian Sigafoos

A plain-language guide to volts, amps, transformers, overhead and underground service, two-panel homes, solar, and battery backup.

An unlisted explorer joining the family branches for Z. & L.

An unlisted explorer for the C. side of our family.

How I use context, plans, worktrees, review, testing, and automation with coding agents.

Small pods can move faster without sacrificing quality by giving coding agents clear context, boundaries, tools, and feedback loops.

Stop telling your AI agents how to auto-format your code.

Manage context with plan files to give your AI agents memory.

How to use FastAPI for machine learning inference, Dockerized and deployed using Kubernetes

A collection of interesting and important machine learning papers

Steps for Machine Learning on Apple Silicon M1/M2 chips, with Stable Diffusion

Snippets of code for getting started with machine learning, using PyTorch, Pandas, NumPy, and Kaggle

Learn how to quickly get started using fastai, Hugging Face, and Gradio to deploy a demo ML app

Notes from Karpathy’s machine learning lectures - Neural Networks: Zero to Hero

Try a more “scientific” process to solving bugs and reducing Mean Time to Recovery (MTTR)

An intro to using Design Docs aka RFCs to help teams build better software and share knowledge

Follow clear guidelines for code review to help improve code quality and products

How to add Dark Mode using CSS variables and Stimulus, plus a color palette picker

A collection of posts for software engineers and engineering leaders

How to create a GitHub gist-like embeddable widget using Rails

Use automated tools like GitHub’s Dependabot and Actions to automate dependency updates

An optimistic, action-oriented attitude for software engineering

“If you like it, then you shoulda put a CI test on it.”

Build a CI/CD pipeline with GitHub Actions to Kubernetes for a Ruby on Rails app

Use a .git hooks script to prevent accidentally pushing to main branch

Small teams can iterate more quickly using Rails with ViewComponent + Tailwind CSS + Hotwire.

Focus on delivering value to customers, communicate proactively, encourage critique, take initiative, debug scientifically, and practice habits.

Build faster with automated formatting, linting, and vulnerability scanning

A guiding philosophy for tech that is ambitious, positive-sum, and collective.

Vocabulary lists of fruit, vegetables, animals, and more.

A list of my favorite Ruby gems, mostly for Rails projects.

A spreadsheet to rate US counties objectively across many factors from “Best Places To Live” to climate change and earthquake risks.

Key principles and learnings for API design

Quick review of basic syntax for Go, JavaScript, Ruby, Rails, and SQL

Speed up builds by running Rails tests in parallel and learn more about CircleCI 2.1 features.

My favorite books and what I’m currently reading.

Agile training notes from a Scrum workshop by Ron Lichty.

Some resources I’ve found incredibly useful in learning Go, aka Golang.

A quick reference for working with PostgreSQL databases.

Some patterns, approaches, and “spells” for metaprogramming in Ruby.

Snippets of Ruby code for faster Rails setup, development, and testing.

How we made Playpass pricing more fair in all countries by using country purchasing power parity (PPP) rates instead of currency exchange rates.

Relaxing videos for meditating or reconnecting with nature.

Crash course on Dubai’s startup ecosystem from co-working spaces to accelerators and a list of Dubai startups.

Delicious cooking recipes that I come back to again and again

Poems for the love of my life

My favorite books, podcasts, apps, and more from 2013, 2020, and 2023

Here’s how I set up this blog with Jekyll, Bootstrap, GitHub Pages.

Template of a Google Sheet spreadsheet to track CrossFit WODs and PBs.

Mass Open Online Courses are an amazing way to learn online, for free.

A 2012 project to find out where my family came from in Germany, England, and Scotland and where they ended up in the US