tiennm99 3ad0104565 feat: refresh data from baotintuc.vn source, fix overflow sheet loss ...

Dataset update:
- Crawl all 63 .xls province files from baotintuc.vn CDN (original source)
- Old xlsx dataset moved to data-old/ for reference
- Net: +13,719 students (Hà Nội +7,275, HCM +6,445) — the old .xls → xlsx
  conversion silently dropped rows beyond the 65,536 per-sheet cap
- Also removes 1 bogus header row that had leaked into the old DB
- 100% identical scores on the 847,348 SBDs present in both datasets

Build pipeline:
- build-database.js: iterate ALL sheets per workbook (fixes the overflow
  loss) and accept .xls in addition to .xlsx

Audit tooling:
- scripts/crawl-baotintuc.js: idempotent 63-province downloader
- scripts/diff-datasets.js: compares two DBs by SBD set and per-column
  score deltas

2026-04-14 21:42:29 +07:00

2016

refactor: rename assets/ to data/ for raw Excel inputs

2026-04-14 21:20:10 +07:00

2017

feat: refresh data from baotintuc.vn source, fix overflow sheet loss

2026-04-14 21:42:29 +07:00

S

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Tra cứu điểm thi THPT Quốc gia 2016–2017 — 1,7 triệu thí sinh · Truy vấn SQL client-side với sql.js

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