Posts

All the articles I've posted.

• System Design - How do Websockets Work

  15 Mar, 2025

  How do websockets work comparing to http? System Design Basics, websockets

• LeetCode 2450 LintCode 3841 Number of Distinct Binary Strings After Applying Operations

  Updated: 22 Feb, 2025

  Solutions for LeetCode 2450 LintCode 3841, medium, tags: math, string.

• LeetCode 206 LintCode 35 Reverse Linked List

  30 Jan, 2025

  Solutions for LeetCode 206 LintCode 35, easy, tags: linked list, recursion; companies: bytedance.

• LeetCode 1166 LintCode 3677 Design File System

  28 Jan, 2025

  Solutions for LeetCode 1166 LintCode 3677, medium, tags: hash table, trie, string, design.

• How could we interview job candidates to find the right teammates? Why should we care?

  Updated: 23 Jan, 2025

  how should we interview other job candidates to find the teammates we like? tips and suggestions on how to interview teammate or junior engineers.

• LeetCode 2017 Grid Game

  20 Jan, 2025

  Solutions for LeetCode 2017, medium, tags: array, prefix sum, dynamic programming, matrix.