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Codeforces Solutions 3Solutions from Jan-Sep 2024, focusing on number theory, game theory, combinatorics, and EDU problems from Codeforces.
53 min read English -
Invitational and Misc SolutionsPrimarily based on original solution records, including Zhengzhou Invitational, Kunming Invitational, HDU 2973, and Luogu B3645.
15 min read English -
Nowcoder SolutionsDecember 2023 to August 2024, primarily based on original solution records, covering bookmarked winter contests, weekly contests, and multi-school problems.
51 min read English -
Tips to improve concentrationMindfulness, cognitive training, and a healthy lifestyle may help sharpen your focus.
6 min read English -
Probabilistic Data Structures in Redis: HyperLogLog and Bloom FiltersA deep dive into the mathematical principles behind HyperLogLog and its Redis implementation
7 min read English -
Redis (I): OverviewRedis-related notes previously written in Apple Notes.
68 min read English -
MySQL (II): Transactions and MVCCNotes on transactions and MVCC.
10 min read English - MySQL (III): Logs and Locking Mechanisms
Earlier MySQL notes.
29 min read English