Handling of the presentation role not suggested by Playwright Inspector

This article reveals why Playwright's Codegen intentionally excludes the presentation role from recommended locators—it undermines accessibility and should be avoided in tests.

Understanding Rails MVC Architecture - From Abstract Concepts to Hanshin Tigers

This article explains the MVC (Model-View-Controller) pattern. And then to promote understanding, I apply MVC architecture to the Hanshin Tigers baseball team, demonstrating how concepts work together.

Dissecting Consolidated Commits with Interactive Rebase

This article explains how to locate and inspect original commits hidden behind interactive rebase consolidations.

One Japanese dives into nwHacks, one of the largest hackathons in Western Canada

This is a summary of my first international hackathon experience.

SOP and CORS basics and debugging

This article introduces the fundamentals of Same-Origin Policy (SOP) and Cross-Origin Resource Sharing (CORS), detailing their configuration and verification using FastAPI and Postman.

The first OSS contribution in my life became roadmap.sh

I made my first open-source contribution to roadmap.sh, enriching its AWS content, which inspired me to continue engaging with OSS projects.

Qiita Hackathon Participation Report

This is a report on the participation in the Qiita Hackathon by team:m1nus. I will introduce the team members, the theme, the process, and the results of the hackathon.