Welcome to My Blog
A short introduction to who I am and what you'll find here — notes on AI, self-hosting, and whatever I'm learning next.
Kuibin Lin
How to Add Newsletter Subscribe Feature to Jekyll Chirpy with Brevo
A complete guide to adding a newsletter subscribe feature to a Jekyll Chirpy blog, with a sidebar button, a dedicated subscribe page, and a Brevo email backend.
Customize Chirpy Mobile View to Show Full Sidebar Menu Including a Posts Tab
A step by step guide to replacing Chirpy's mobile topbar with a full screen sidebar menu and adding a POSTS toggle, using CSS and JavaScript only.
Python List vs Linked List
A visual, operation-by-operation comparison of Python list and linked list with Big-O analysis, code examples, and ASCII diagrams.
Block Ads on Every Device in Your Home Network with Pi-hole
Learn how to set up Pi-hole on a Raspberry Pi to block ads, trackers, and telemetry across all devices on your home Wi-Fi without installing anything on each device.
Run Your Own VPN at Home with PiVPN
A step-by-step guide to setting up PiVPN with WireGuard on a Raspberry Pi for secure remote access to your home network.
A JSON Viewer for Claude Code Config Files
Visualize Claude Code's nested JSON config files with a browser-based viewer for easier understanding of settings.
Building an AI Playground with Hugging Face Inference API & Cloudflare Workers
Build browser-based AI demos using Hugging Face API proxied through Cloudflare Workers without server code.
How to Add Interactive Charts to Jekyll Chirpy with Chart.js
Add interactive Chart.js visualizations to Jekyll Chirpy with CSV data or inline config for line, bar, and doughnut charts.
RLHF Explained: How Reinforcement Learning from Human Feedback Works
Understand the RLHF pipeline that transforms LLMs from next-word predictors into helpful assistants through human feedback.