romaan – Aalia

Building a Fully Local RAG System with FastAPI, pgvector, and Ollama

Overview Retrieval-Augmented Generation (RAG) has become the dominant architectural pattern for grounding Large Language Models (LLMs) in proprietary or domain-specific knowledge. Instead of relying solely on model weights, RAG combines…

romaan January 12, 2026

ORM Python

Python ORMs

Below is a list of popular ORMs in python: SQLAlchemy ORM (most powerful & flexible) Best for:Large systems, microservices, complex queries, performance-critical apps Why it’s popular Industry standard outside Django…

romaan January 11, 2026

ORM Python

SQL Alchemy

What is SQLAlchemy? SQLAlchemy is Python’s most popular database toolkit. It has two big layers: SQLAlchemy Core: build SQL expressions and run them (closer to SQL). SQLAlchemy ORM: map Python…

romaan January 11, 2026

Artificial Intelligence

Machine Learning

According to Arthur Samuel, machine learning is the field of study that gives computers the ability to learn without being explicitly programmed. Applications of Machine Learning Computer Vision Natural Language Processing Generative…

romaan January 11, 2026

Distributed System

DAPR

DAPR - Distributed Application Runtime Dapr is a portable, event-driven runtime that makes it easy for any developer to build resilient, stateless, and stateful applications that run on the cloud…

romaan January 9, 2026