Posts
All the articles I've posted.
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System Design - How the Linux Kernel Network Stack Works
How a packet travels from NIC hardware to your application's socket: interrupts, NAPI, sk_buff, protocol layers, and socket receive queues — a walkthrough of the Linux kernel network stack.
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LeetCode 127 Word Ladder
Solutions for LeetCode 127, hard, tags: hash table, string, breadth-first search.
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LeetCode 2131 Longest Palindrome by Concatenating Two Letter Words
Solutions for LeetCode 2131, medium, tags: array, hash table, string, greedy, counting.
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System Design - How Protocol Buffers (Protobuf) Encoding Works
How Protocol Buffers encoding works internally: wire types, varint encoding, field tags, length-delimited records, and a byte-level walkthrough showing why protobuf messages are compact and fast to parse.
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LeetCode 210 Course Schedule II
Solutions for LeetCode 210, medium, tags: depth-first search, breadth-first search, graph, topological sort.
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LeetCode 2101 Detonate the Maximum Bombs
Solutions for LeetCode 2101, medium, tags: array, math, depth-first search, breadth-first search, graph.