Posts
All the articles I've posted.
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LeetCode 1448 Count Good Nodes in Binary Tree
Solutions for LeetCode 1448, medium, tags: tree, depth-first search, breadth-first search, binary tree.
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System Design - How SQLite Works Internally
How SQLite works internally: the tokenizer, parser, bytecode compiler, virtual machine (VDBE), B-tree storage engine, pager, and WAL — a complete walkthrough of how a SQL statement travels from text to disk in the world's most deployed database.
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LeetCode 503 Next Greater Element II
Solutions for LeetCode 503, medium, tags: array, stack, monotonic stack.
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System Design - How Linux Signals Work
How Linux signals work: signal delivery from kernel to userspace, signal dispositions, the sigaction machinery, signal masks, real-time vs standard signals, and a source code walkthrough of the Linux kernel signal path.
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LeetCode 542 01 Matrix
Solutions for LeetCode 542, medium, tags: array, dynamic programming, bfs, matrix.
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LeetCode 229 Majority Element II
Solutions for LeetCode 229, medium, tags: array, hash table, sorting, counting.