Hernando Abella

Generative AI with Python(7)

Tokens, Embeddings, and Attention: The Building Blocks of AI
FundamentalsGenAI with Python

Tokens, Embeddings, and Attention: The Building Blocks of AI

Understanding how AI models process language through tokens, numerical embeddings, and the attention mechanism that revolutionized machine learning.

2026-06-07·12 min read
TokensEmbeddings
Building a RAG System with Python: Step by Step
RAGGenAI with Python

Building a RAG System with Python: Step by Step

Learn how to build a Retrieval-Augmented Generation system that answers questions using your own documents with Python and vector databases.

2026-06-07·15 min read
RAGVector Databases
How AI Agents Use Tools, Memory, and Reasoning
AgentsGenAI with Python

How AI Agents Use Tools, Memory, and Reasoning

Explore how modern AI agents combine tool use, memory systems, and reasoning to solve complex multi-step problems autonomously.

2026-06-07·13 min read
AI AgentsTools
Building an AI Coding Assistant with Python
ApplicationsGenAI with Python

Building an AI Coding Assistant with Python

Create an AI-powered coding assistant that explains code, detects bugs, generates tests, and helps developers write better software.

2026-06-07·14 min read
Coding AssistantDeveloper Tools
Creating an AI-Powered Knowledge Base Using RAG
ApplicationsGenAI with Python

Creating an AI-Powered Knowledge Base Using RAG

Transform your company's documents and policies into an intelligent assistant that answers questions instantly using natural language.

2026-06-07·16 min read
Knowledge BaseRAG
Building Your First AI Application with Python
BeginnerGenAI with Python

Building Your First AI Application with Python

A step-by-step guide to creating intelligent applications using Python and modern AI APIs — from zero to working chatbot.

2026-06-07·8 min read
PythonBeginner
Claude vs Cursor vs ChatGPT: Which AI Coding Assistant Wins in 2026?
ComparisonsGenAI with Python

Claude vs Cursor vs ChatGPT: Which AI Coding Assistant Wins in 2026?

An honest, hands-on comparison of the three biggest AI coding assistants after a month of building a production Next.js application with each one.

2026-06-12·12 min read
ClaudeCursor