bnjs

Hello,

Below you will find my blog, some past and present projects, and notes on startups.

Get in touch

You can get in touch with

Blog

• Feb 4, 2026 Domain Guide for QR Codes
• Dec 1, 2025 At-Cost Single Employee Service (ACSES)
• Jan 14, 2015 When 1.day is not an Object
• Aug 24, 2014 Expressing the Liar Paradox in Ruby?

Translations

• “The Tomb of the Wild Chrysanthemum”, by Ito Sachio 『野菊の墓』伊藤左千夫

Notes

On Startups

• Startup FAQ
• Startup Knowledgebase
• Steve Jobs: 10 Rules for Life
• CS183B - Lecture 1: Dustin Moskovitz “Why to Start a Startup” Notes
• CS183B - Lectures 1+2: Sam Altman “Ideas, Products, Teams and Execution” Notes
• CS183B - Lecture 3: Paul Graham “Counterintuitive Parts of Startups, and How to Have Ideas” Notes
• CS183B - Lecture 4: Adora Cheung “Building Product, Talking to Users, and Growing” Notes
• CS183B - Lecture 5: Peter Thiel “Business Strategy and Monopoly Theory” Notes
• CS183B - Startup Checklist
• CS183B - (Transcript) Lecture 1: How to Start a Startup
• (Transcript) Paul Graham in Conversation with Nathan Blecharczyk
• (Transcript) Paul Graham on Focus and Growth (with Jason Calacanis)

Thank you,

Ben