Notes

記事

仕事やサイドプロジェクトでハマったポイントや取り組んだ最適化、そして日常で役立つちょっとした技術ガイドをまとめています。

技術記事2026年10月18日11 min

How to Actually Fix Bilibili Buffering for Good

Why popular Bilibili videos play fine overseas while unpopular ones stall: CDN caching and trips back to origin, why the narrowest link sets your speed, why DNS and VPN tricks are hit or miss, and how my extension picks a default node from real tests across 14 Taiwanese ISPs.

繁體中文 / English

記事を読む

LINE Shopping live hall feed with the 20%–50% play zone and each card’s trigger line at 30% marked; only one card is playing

技術記事2026年10月18日4 min

Auto-Play on Scroll — Live Stream List

TikTok-style auto-play for a live stream list: exactly one video plays while scrolling, no flicker on fast swipes, and resources are released as soon as a card leaves the viewport.

繁體中文 / English

SiyaMap architecture drawn as a concert venue seat map: a seat-view photo sits at the stage, inner sections are Route 53, CloudFront and S3, outer sections are Neon, apps/web (Lambda · Next.js + Hono) and image-processor (Lambda · sharp)

技術記事2026年10月3日16 min

SiyaMap System Architecture

Full-stack architecture of a concert seat-view sharing platform: AWS serverless infrastructure, the watermark and resize image pipeline, PostgreSQL modeling, and a layered Hono backend.

繁體中文 / English

Dark monitoring panels comparing memory over time: before, usage climbs to the limit and the job dies with OOM and exit 1; after, batches are loaded and released below the limit and finish before the time limit

技術記事2026年10月3日5 min

Large-Scale Billing Statement Duplicate-Check Monitor Optimization

Turning a duplicate-rule check over 100K+ billing records from timeouts and OOMs into a daily monitor that reliably finishes within its time and memory limits.

繁體中文 / English