有关 Hanyuu 的一切https://ayaya114514.github.io/https://ayaya114514.github.io/blog/paper-digest/2026-11-04/https://ayaya114514.github.io/blog/paper-digest/2026-11-04/Wed, 04 Nov 2026 00:00:00 GMThttps://ayaya114514.github.io/blog/paper-digest/2026-10-28/https://ayaya114514.github.io/blog/paper-digest/2026-10-28/Wed, 28 Oct 2026 00:00:00 GMThttps://ayaya114514.github.io/blog/paper-digest/2026-10-21/https://ayaya114514.github.io/blog/paper-digest/2026-10-21/Wed, 21 Oct 2026 00:00:00 GMThttps://ayaya114514.github.io/blog/paper-digest/2026-10-14/https://ayaya114514.github.io/blog/paper-digest/2026-10-14/Wed, 14 Oct 2026 00:00:00 GMThttps://ayaya114514.github.io/blog/paper-digest/2026-10-07/https://ayaya114514.github.io/blog/paper-digest/2026-10-07/Wed, 07 Oct 2026 00:00:00 GMThttps://ayaya114514.github.io/blog/minidb/01-pages-and-btrees/https://ayaya114514.github.io/blog/minidb/01-pages-and-btrees/MiniDB 的存储层：4096 字节的页、页缓存、行记录的编码，以及从叶子到根都能分裂与合并的 B+ 树。Mon, 05 Oct 2026 00:00:00 GMThttps://ayaya114514.github.io/blog/minidb/02-sqlite-as-the-oracle/https://ayaya114514.github.io/blog/minidb/02-sqlite-as-the-oracle/以 sqlite3 为标准答案的层层测试：手写对照、随机 SQL 差分 fuzz、SQLite 官方的 sqllogictest、不需要标准答案的变形测试，以及崩溃测试。Mon, 05 Oct 2026 00:00:00 GMThttps://ayaya114514.github.io/blog/minidb/03-wal-and-read-marks/https://ayaya114514.github.io/blog/minidb/03-wal-and-read-marks/预写日志、读者快照与读者标记：一个写者、多个读者并发时怎样做 checkpoint，又不让日志无限增长。Mon, 05 Oct 2026 00:00:00 GMThttps://ayaya114514.github.io/blog/minidb/04-making-python-fast/https://ayaya114514.github.io/blog/minidb/04-making-python-fast/纯 Python 数据库的提速：把查询计划生成 Python 源码再编译、哈希连接、批量建索引，以及每一步怎样保证语义不变。Mon, 05 Oct 2026 00:00:00 GMThttps://ayaya114514.github.io/blog/minidb/05-sqlite-quirks/https://ayaya114514.github.io/blog/minidb/05-sqlite-quirks/对照测试逼出来的 SQLite 冷门行为：多行 VALUES 里的真值测试、TRUE 只是名字、upsert 的 excluded、浮点数转文本等等。Mon, 05 Oct 2026 00:00:00 GMThttps://ayaya114514.github.io/blog/minidb/06-a-real-sqlite-file/https://ayaya114514.github.io/blog/minidb/06-a-real-sqlite-file/让 MiniDB 原生读写 SQLite 的文件格式、回滚日志、WAL 与锁协议，能和 sqlite3 进程同时打开同一个文件。Mon, 05 Oct 2026 00:00:00 GMThttps://ayaya114514.github.io/blog/minidb/07-power-failures-and-processes/https://ayaya114514.github.io/blog/minidb/07-power-failures-and-processes/断电 fuzz 与多进程并发差分测试的设计，以及它们找到的三个 bug。Mon, 05 Oct 2026 00:00:00 GMThttps://ayaya114514.github.io/blog/minidb/08-copying-the-code-generator/https://ayaya114514.github.io/blog/minidb/08-copying-the-code-generator/外键、触发器与 JSON 函数：很多语义其实是 SQLite 代码生成器的副作用，只能按它生成代码的顺序照搬。Mon, 05 Oct 2026 00:00:00 GMThttps://ayaya114514.github.io/blog/paper-digest/2026-09-30/https://ayaya114514.github.io/blog/paper-digest/2026-09-30/Wed, 30 Sep 2026 00:00:00 GMThttps://ayaya114514.github.io/blog/paper-digest/2026-09-23/https://ayaya114514.github.io/blog/paper-digest/2026-09-23/Wed, 23 Sep 2026 00:00:00 GMThttps://ayaya114514.github.io/blog/paper-digest/2026-09-16/https://ayaya114514.github.io/blog/paper-digest/2026-09-16/Wed, 16 Sep 2026 00:00:00 GMThttps://ayaya114514.github.io/blog/paper-digest/2026-09-09/https://ayaya114514.github.io/blog/paper-digest/2026-09-09/Wed, 09 Sep 2026 00:00:00 GMThttps://ayaya114514.github.io/blog/paper-digest/2026-09-02/https://ayaya114514.github.io/blog/paper-digest/2026-09-02/Wed, 02 Sep 2026 00:00:00 GMThttps://ayaya114514.github.io/blog/paper-digest/2026-08-26/https://ayaya114514.github.io/blog/paper-digest/2026-08-26/Wed, 26 Aug 2026 00:00:00 GMThttps://ayaya114514.github.io/blog/paper-digest/2026-08-19/https://ayaya114514.github.io/blog/paper-digest/2026-08-19/Wed, 19 Aug 2026 00:00:00 GMThttps://ayaya114514.github.io/blog/paper-digest/2026-08-12/https://ayaya114514.github.io/blog/paper-digest/2026-08-12/Wed, 12 Aug 2026 00:00:00 GMThttps://ayaya114514.github.io/blog/paper-digest/2026-08-05/https://ayaya114514.github.io/blog/paper-digest/2026-08-05/Wed, 05 Aug 2026 00:00:00 GMThttps://ayaya114514.github.io/blog/paper-digest/2026-07-29/https://ayaya114514.github.io/blog/paper-digest/2026-07-29/Wed, 29 Jul 2026 00:00:00 GMThttps://ayaya114514.github.io/blog/paper-digest/2026-07-22/https://ayaya114514.github.io/blog/paper-digest/2026-07-22/Wed, 22 Jul 2026 00:00:00 GMThttps://ayaya114514.github.io/blog/paper-digest/2026-07-15/https://ayaya114514.github.io/blog/paper-digest/2026-07-15/Wed, 15 Jul 2026 00:00:00 GMThttps://ayaya114514.github.io/blog/paper-digest/2026-07-08/https://ayaya114514.github.io/blog/paper-digest/2026-07-08/Wed, 08 Jul 2026 00:00:00 GMThttps://ayaya114514.github.io/blog/paper-digest/2026-07-01/https://ayaya114514.github.io/blog/paper-digest/2026-07-01/Wed, 01 Jul 2026 00:00:00 GMThttps://ayaya114514.github.io/blog/paper-digest/2026-06-24/https://ayaya114514.github.io/blog/paper-digest/2026-06-24/Wed, 24 Jun 2026 00:00:00 GMThttps://ayaya114514.github.io/blog/paper-digest/2026-06-17/https://ayaya114514.github.io/blog/paper-digest/2026-06-17/Wed, 17 Jun 2026 00:00:00 GMThttps://ayaya114514.github.io/blog/paper-digest/2026-06-10/https://ayaya114514.github.io/blog/paper-digest/2026-06-10/Wed, 10 Jun 2026 00:00:00 GMThttps://ayaya114514.github.io/blog/paper-digest/2026-06-03/https://ayaya114514.github.io/blog/paper-digest/2026-06-03/Wed, 03 Jun 2026 00:00:00 GMThttps://ayaya114514.github.io/blog/paper-digest/2026-05-27/https://ayaya114514.github.io/blog/paper-digest/2026-05-27/Wed, 27 May 2026 00:00:00 GMThttps://ayaya114514.github.io/blog/paper-digest/2026-05-20/https://ayaya114514.github.io/blog/paper-digest/2026-05-20/Wed, 20 May 2026 00:00:00 GMThttps://ayaya114514.github.io/blog/paper-digest/2026-05-13/https://ayaya114514.github.io/blog/paper-digest/2026-05-13/Wed, 13 May 2026 00:00:00 GMThttps://ayaya114514.github.io/blog/miscellaneous/depression-metrics-explained/https://ayaya114514.github.io/blog/miscellaneous/depression-metrics-explained/Sat, 09 May 2026 00:00:00 GMThttps://ayaya114514.github.io/blog/machine-learning/01-linear-regression/https://ayaya114514.github.io/blog/machine-learning/01-linear-regression/Tue, 05 May 2026 00:00:00 GMThttps://ayaya114514.github.io/blog/machine-learning/00-prelude/https://ayaya114514.github.io/blog/machine-learning/00-prelude/Sun, 03 May 2026 00:00:00 GMT