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Separating Users from Customers: Building a Multi-Role POS System
How a point of sale system separates staff accounts from customer records to keep operations clean and let each role do what it needs
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Building a POS System with Flask: Order Management and Real-Time Inventory
How I built an ordering system that tracks inventory, manages customers, and sends SMS notifications
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Building a Local RAG Chatbot to Actually Understand How AI Reads Documents
A fully local, privacy-first document chatbot built with LangChain, Ollama, and ChromaDB to learn how LLMs, retrieval-augmented generation, vector databases, and conversation memory actually work under the hood.
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Sketchbook: My Self-Hosted Drawing App
A self-hosted, real-time collaborative drawing app built for artists who miss the feel of old paper.
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Building a Production-Grade JSON Parser from Scratch
A robust, scalable JSON parser written in Python with comprehensive error handling, full JSON spec support, and a web interface for real-time validation.