Ullas Kunder

Writing / 65 entries

Code, Solutions
& Discovery.

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

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01
Aug 6, 2026#golang#strings

Learning Golang: Strings, Arrays, Slices, and Structs

My notes on strings, arrays, slices, and structs in Go that I covered today

02
Jul 17, 2026#unicode#utf-8

How Computers Store Letters, Emojis, and Languages: Unicode and UTF-8 Explained

Learn how computers convert characters like A, 😊, and Chinese symbols into Unicode numbers and UTF-8 bytes for storage and communication.

03
Jul 8, 2026#nextjs#github-actions

How I Re-Architected My Blog Pipeline for Instant Publishing, Better SEO, and Zero Rate Limits

A story about fixing race conditions, avoiding Next.js API rate limits, and building a perfectly synchronized GitHub Actions webhook pipeline.

04
Jun 25, 2026#github-actions#automation

Building a Zero-Dependency, Event-Driven GitHub Profile Updater with Actions and Webhooks

A step-by-step guide to automate a lean, cross-repository with secure webhook architecture using fine-grained tokens and Python.

05
Jun 24, 2026#golang#binary

Go Integer Types Explained: From Bits and Bytes to int64

Understand binary, signed vs unsigned integers, two's complement, and overflow — then see exactly how Go's int8, int16, int32, and int64 are built on top of it

06
Jun 23, 2026#golang#oop

Object-Oriented Go: Composition, Methods, and Interfaces

A student's guide to how Go handles objects, inheritance, and polymorphism differently than Java or C++.

07
Jun 3, 2026#nextjs#ai

Building a Zero-Dependency, In-Memory RAG for My Next.js Portfolio

How I built a fully functional, context-aware AI chatbot for my portfolio using only local files and basic math — no vector databases, no external infrastructure.

08
Jun 1, 2026#chrome-extension#productivity

Building Pin-Tube: How I Created a Chrome Extension to Pin YouTube Videos and Stop Doomscrolling

A deep dive into building a Vanilla JS Chrome extension, resolving scary permission warnings, and creating a distraction-free YouTube experience.

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