박효인 · PARK HYOIN
I write down what I build — and where I get stuck.
Notes on what I learn and build.
67
Posts in English
2022.10 — 2025.12
Embedded HW · SW
3
Products I ship & run
67
Posts in Korean
Publishing activity
2026-05-03 — 2026-08-05 · 67 posts Less More
Recent posts
All 67 → 5 Aug 2026 Real-Device Testing on App-in-Toss — Stuck on Direct Phone Connection, Solved with ait deploy 트러블슈팅 4 Aug 2026 Feature-by-Feature Study #2 — JWT Authentication: An Access Pass the Server Doesn't Remember 백엔드 공부 일지 30 Jul 2026 Studying by Feature #1 — Session-Based Authentication: Why Doesn't HTTP Remember Me? 백엔드 공부 일지 29 Jul 2026 Learning by Building #1 — What I Missed in Designing an Ingredient-Filtered Recipe Feature 학습 29 Jul 2026 Things I Built While Taking a Break from Blogging — 3 Lessons from Developing with AI 회고 28 Jul 2026 Daily 08:00 Ingestion Stopped — 'Yesterday by Calendar' Had No Data Yet 트러블슈팅 20 Jul 2026 Spring Boot #6 — Looking Into JVM Memory and GC, and a Connection Pool Bottleneck Experiment 백엔드 공부 일지 17 Jul 2026 Spring Boot #5 — Servlets, Embedded Tomcat, Thread Pools, and the WAS Layer 백엔드 공부 일지