| 🌐 jhawthorn.com | 🐦 @jhawthorn | 📧 [email protected] | 
I'm a senior staff software engineer on the Ruby Infrastructure team at Shopify. Previously I worked here at GitHub .
I'm a 💎 Ruby committer and on the 🚋 Rails core team. I like to spend as much time as possible working on performance. Hopefully I've made your code run faster too 🤗
- 📏 vernieris a next-generation Ruby profiler
- 🏎️ rapidjsonis a fast JSON parser/serializer (based on the C++ RapidJSON library)
- 🗑 discardprovides a simple soft-delete pattern for ActiveRecord.
- 🏗️ actionview_precompilereager loads view templates at boot (really this should be upstreamed into Rails)
- 🐑 sheapis a tool to analyze Ruby heaps
- 🍔pub_grubis a Ruby port of Natalie Weizenbaum's PubGrub CDCL-based version solving algorithm, as used by bundler
- 📧dkimis a Ruby implementation of email DKIM signiatures
- 🔍 fzyis a fast and simple fuzzy text finder for the terminal. I wote fzy wanting a faster and more consistent algorithm than was available at the time, other tools have since adopted my algorithm. Fun fact: If you presstto find files in a GitHub repo that's fzy!
- 🖼️ mehis a fast image viewer for X11 using raw XLib.