🪙Let’s Become a Millionaire in a Second (Gold Fountain with...
Update (2026/02/03): Added New Fountain Intro🚀 Have you ever wanted to become a...
🙀How to Create a CRAZY Roller Coaster Builder...
Update (2026/01/13): Added CRAZY Roller Coaster Builder Rainbow Version🌈 Intro🚀 Last...
How to Create Never-Ending Fun (🎢RollerCoaster.js + React Three...
Update (2026/01/12): Create CRAZY Roller Coaster Builder ↓ 🙀How to Create a CRAZY Roller Coaster...
🧠How to make Codex boost your mood like good old Claude Code...
Update (2025/12/24): Added Color section. I apologize for forgetting an important topic Update...
(Learn with 🖼️Meme images) How to create 🎨3D animation using...
Update (2025/12/18): Added Bonus (React Three Fiber + GSAP (ScrollTrigger)) section ...
Intro I am using AI such as Claude Code (You're absolutely right!), Codex, Cursor, and...
Intro I'm keep updating my brain training game, 💪🧠Muscle Brain, these days. Last time, I...
Intro I created a brain training app, Muscle Brain, and released it on Microsoft Store...
Intro I have been using AI tools such as Claude Code and Cursor at work for a while. And I...
🚀How I released my App for Free (💪🧠Muscle Brain) Web...
💪🧠How to Boost your Brain for Free (Muscle Brain) Web...
Update (2025/10/20): Just released "Muscle Brain v3" 📊 History tracking for every difficulty 🏅 Medal...
Update (2025/10/20): Just released "Muscle Brain v3" 📊 History tracking for every difficulty 🏅 Medal...
Intro Recently, I started using Claude Code (terminal type AI coding agent tool by...
Intro Last time, I made a Next.js Server Side Rendering (SSR) API test using Playwright...
Update (2025/09/13): Wrote How to test in Parallel ↓ 🎭How to test Next.js SSR API (Playwright + MSW)...
Intro Sorry that I posted this article before finishing by mistake.🙇 I wrote the rest of...
🧠 DEV Community Support App (DEV MBS) 🤖 Web Developer...
This is a submission for the World's Largest Hackathon Writing Challenge: Building with Bolt. ...
Intro Hello! I'm Ninja Web Developer. Hi-Yah!🥷 I have been enjoying MCP for a while....
Update (2025/06/08): Wrote about How to make Remote MCP 2 (AWS Lambda + Next.js + Cline and...
Intro I have been using Cursor AI at work for more than 2 months, and I had a chance to...
Intro Hello! I'm a Ninja Web Developer. Hi-Yah!🥷 I made an image generation and editing...
Intro Hello! I'm Ninja Web Developer. Hi-Yah!🥷 I have been studying MCP lately. However,...
Intro Hello! I'm Ninja Web Developer. Hi-Yah!🥷 I have been playing with studying MCP...