· tools
Micro Habit Development Sheet: Motivation for Grown-Ups
A simple, sticker-chart-inspired tool to help adults build habits, based on the same motivational trick that works for kids.
About This Page
I'm a husband, father, developer/frontend engineer, and artist who enjoys both creating and appreciating art.
Here, I share things I find useful or interesting in daily life, thoughts and reflections, and code or creative coding works I've made.
Latest Posts
- · Tech
What Is the Best Primary Key?
Auto-increment IDs are fast and simple—but are they the best choice for a primary key? A practical breakdown of UUID v4, UUID v7, ULID, cuid2, Nano ID, and when each makes sense.
- · Tech
Is JavaScript pass-by-value or pass-by-reference?
A pragmatic explanation of how JavaScript handles values and references, with clear examples and mental models for understanding assignment and equality.
- · Tech
JavaScript Event Loop
Understanding how JavaScript handles asynchronous operations through the Event Loop, Macro Stack, and Micro Stack mechanisms.
- · Travel
Osaka with Kids: Castle Park & Kaiyukan Aquarium
Explore Osaka Castle Park and Kaiyukan Aquarium—two must-visit family destinations in Osaka. Includes tips for access, activities, and making the most of your visit with children.
Notes on Using Claude: Tips & Architecture
3/22/2026Key takeaways and best practices for using Claude and multi-agent architectures, including prompt design, skills, and error handling.
How to Handle Concurrent Requests in JavaScript
3/21/2026Learn practical techniques to limit and control concurrent API requests in your JavaScript apps, with robust solutions for both Axios and fetch.
Osaka with Kids: Universal Studios & More
3/20/2026A practical guide for families traveling to Osaka with children, featuring Universal Studios Japan, Kids Plaza, and Hug Museum. Tips for planning, access, and making the most of your visit.
Jotai and the Pseudo-Flux Pattern: Rethinking React State Management
3/19/2026A practical journey from Redux to Recoil to Jotai, exploring abstraction and flexible state patterns. This post introduces a pseudo-Flux/Reducer pattern with Jotai and its real-world benefits.
Eat Japan with Kids
3/18/2026A practical guide to family-friendly dining in Japan, highlighting affordable and tasty chain restaurants that are welcoming to children.
requestAnimationFrame (rAF) and requestIdleCallback (rIC)
3/17/2026A practical guide to JavaScript's render and idle phases, with real-world examples and code walkthroughs.
React: Why Prop Change Does NOT Cause Re-render
3/16/2026A relatively deep dive into React's re-render mechanics, why prop changes alone don't trigger re-renders, and how state libraries like Jotai and Recoil manage surgical updates. Includes step-by-step code and practical patterns.