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Migrating from Render PostgreSQL to Neon After the Free Tier Expires screenshot
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Qiita

Tech

2025.06

Migrating from Render PostgreSQL to Neon After the Free Tier Expires

A step-by-step record of migrating to Neon (PostgreSQL) after Render.com's free PostgreSQL tier (1 month) expired.

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Test
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External

Tech

2025.08

The Modern JavaScript Tutorial

A test card for verifying OGP display using an article hosted on Hatena Blog.

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How to Manage Articles and Books with Zenn CLI screenshot
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Zenn

Tech

2025.09

How to Manage Articles and Books with Zenn CLI

A reference entry for the official Zenn CLI guide covering how to create, publish, and update articles and books.

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Tech

2025.10

CSS Performance Optimization in Practice

CSS design principles for eliminating layout shifts and render-blocking resources.

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Qiita

Tech

2025.12

Chrome Extensions Memo for Web Development

A running memo of Chrome extensions useful for web development — responsive testing, site analysis, meta inspection, and productivity tools.

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Columns & Essays

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Essay

2024.12

On Restraint

Why the most meaningful creative decisions are subtractions, not additions.

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Talks

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Visual

2023.11

Grid Studies

A series of experiments in modular composition, finding the minimum unit that produces maximum variation.

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Tools

2023.12

Slow Tools

A personal toolkit built for deliberate work, no notifications, no dashboards, no gamification.

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Publications

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Publication

2026.04

Portfolio Architecture Notes

A public note on the information architecture, operation model, and content structure of the portfolio site.

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