Ullas Kunder

Writing / 65 entries

Code, Solutions
& Discovery.

A public digital garden — bugs, breakthroughs, and the chaos of building things on the web.

Topics · 156
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09
May 29, 2026#cloudflare#domains

Why I Moved My Domains to Cloudflare (And Reconsidered My Entire Setup)

How recurring renewal issues, confusing domain management UX, and rising TLD costs pushed me to rethink my infrastructure setup.

10
May 22, 2026#AI#React

Building a Resilient AI Bot for My Portfolio

Engineering 'Richard': A Voice-Enabled, High-Availability AI Assistant

11
May 20, 2026#leetcode#python

LeetCode 208: Implement Trie (Prefix Tree)

Understand how to design and build a highly optimized prefix tree from scratch in Python.

12
May 20, 2026#leetcode#python

LeetCode 118: Pascal's Triangle

Deep dive into constructing Pascal's Triangle with O(n^2) time and optimal memory efficiency in Python.

13
May 16, 2026#leetcode#python

LeetCode 211: Design Add and Search Words Data Structure

Efficient wildcard searching using an optimized Python Trie.

14
May 15, 2026#leetcode#python

LeetCode 53: Maximum Subarray

Use Kadane's Algorithm to find the maximum sum subarray in O(n) time with O(1) space.

15
May 15, 2026#leetcode#python

LeetCode 11: Container With Most Water

Maximize water storage in a container using a Two-Pointer approach to achieve optimal O(n) time complexity.

16
May 14, 2026#leetcode#python

LeetCode 191: Number of 1 Bits

Count set bits in O(k) time using Brian Kernighan's bit trick — where k is the number of 1-bits.

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