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Hi, I'm Clark. An engineer aiming to work in Japan, passionate about building tools I use in my daily life. Here I share my tech notes, development journey, and bits of everyday life.

Recent Posts

• Leetcode Problem-Solving Notes (1)

  Published: 17 May, 2026 |  at  08:00 AM

  Solutions and explanations for Two Sum, Remove Duplicates from Sorted Array, and Best Time to Buy and Sell Stock.

• Leetcode Problem-Solving Notes (2)

  Published: 17 May, 2026 |  at  08:00 AM

  Solutions and explanations for Move Zeroes, Intersection of Two Arrays II, and 3Sum.

• How Does a Domain Name Actually Reach Your Server?

  Published: 10 May, 2026 |  at  05:30 PM

  A walkthrough of DNS — from browser cache to Authoritative Name Server.

• Why Should You Buy Your Own Domain?

  Published: 30 Apr, 2026 |  at  05:30 PM

  Just buy it, no second thoughts needed.