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Developer Service

Indie Hacker, Full Stack Developer, Content Creator 👨‍💻 Creating software products and teaching upcoming entrepreneurs on my blog 👨‍🏫

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Education

Technology Superior School Castelo Branco, Portugal

Work

Founder of Developer Service

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Postmark Challenge: Inbox Innovators Completion
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Visualizing Day and Night on Earth with Python (Real-Time World Map)

Visualizing Day and Night on Earth with Python (Real-Time World Map)

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10 min read

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Getting Started with pytest

Getting Started with pytest

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5 min read
The Importance of Django Middleware

The Importance of Django Middleware

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8 min read
Telegraphic Semantic Compression (TSC) - A Semantic Compression Method for LLM Contexts

Telegraphic Semantic Compression (TSC) - A Semantic Compression Method for LLM Contexts

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8 min read
Replace Expensive AI with Free TextBlob - Stop Paying for Simple NLP Tasks

Replace Expensive AI with Free TextBlob - Stop Paying for Simple NLP Tasks

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6 min read
Django 5.2 (LTS) Upgrade Guide - Breaking Changes, New Features, and Why You Should Upgrade

Django 5.2 (LTS) Upgrade Guide - Breaking Changes, New Features, and Why You Should Upgrade

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6 min read
Mastering Logging in Python

Mastering Logging in Python

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17 min read
Build Full-Stack Web Apps in Pure Python with Reflex

Build Full-Stack Web Apps in Pure Python with Reflex

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8 min read
Introducing Litestar - Production-Ready, Light, Flexible & Extensible ASGI API Framework

Introducing Litestar - Production-Ready, Light, Flexible & Extensible ASGI API Framework

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10 min read
Google Fire - The Fastest Way to Build Python CLIs

Google Fire - The Fastest Way to Build Python CLIs

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4 min read
Using Pydantic for ETL - Clean, Validate, and Transform Data with Confidence

Using Pydantic for ETL - Clean, Validate, and Transform Data with Confidence

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12 min read
Python Logging vs Print - Why Logging Is Better for Debugging

Python Logging vs Print - Why Logging Is Better for Debugging

2
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7 min read
How I Log ESPHome Device Data to CSV with Python (and Why You Should Too)

How I Log ESPHome Device Data to CSV with Python (and Why You Should Too)

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10 min read
How QR Codes Work (and How to Make Your Own in Python)

How QR Codes Work (and How to Make Your Own in Python)

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6 min read
Build Your Own Low-Cost Cloud Backup with Hetzner Storage Boxes

Build Your Own Low-Cost Cloud Backup with Hetzner Storage Boxes

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10 min read
Turn Your Photo Library Into a Location-Based Search Engine Using EXIF Metadata

Turn Your Photo Library Into a Location-Based Search Engine Using EXIF Metadata

1
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9 min read
Forget pip and Poetry - uv Is the Future of Python Development

Forget pip and Poetry - uv Is the Future of Python Development

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5 min read
FastAPI vs Django DRF vs Flask - Which Is the Fastest for Building APIs

FastAPI vs Django DRF vs Flask - Which Is the Fastest for Building APIs

2
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17 min read
Tired of Pydantic? Try These 5 Game-Changing Python Libraries

Tired of Pydantic? Try These 5 Game-Changing Python Libraries

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8 min read
Write a Programming Language in a Weekend (Seriously) With Python

Write a Programming Language in a Weekend (Seriously) With Python

1
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8 min read
Understanding Programming Languages - Compiled vs Interpreted

Understanding Programming Languages - Compiled vs Interpreted

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7 min read
FastMCP - A Smarter Way to Build LLM Toolchains

FastMCP - A Smarter Way to Build LLM Toolchains

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7 min read
Automate the Boring Stuff - Deleting Python venvs Edition

Automate the Boring Stuff - Deleting Python venvs Edition

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12 min read
The Best Tools to Build AI Agents with Python (2025 Guide)

The Best Tools to Build AI Agents with Python (2025 Guide)

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12 min read
Why I Keep Coming Back to Python and Django

Why I Keep Coming Back to Python and Django

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1 min read
Execute Python with Shebang - Make Your Scripts Executable

Execute Python with Shebang - Make Your Scripts Executable

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5 min read
A Practical Guide on Structuring LLM Outputs with Pydantic

A Practical Guide on Structuring LLM Outputs with Pydantic

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7 min read
How to Build PolySpeak: A Multilingual Phrase Practice App Using Python and ElevenLabs TTS

How to Build PolySpeak: A Multilingual Phrase Practice App Using Python and ElevenLabs TTS

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6 min read
Email-Based Environmental Monitoring System with FastAPI and Postmark

Email-Based Environmental Monitoring System with FastAPI and Postmark

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4 min read
How to Scrape Any Website Using Python, Bright Data, and MCP Servers

How to Scrape Any Website Using Python, Bright Data, and MCP Servers

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8 min read
Folder Monitor in Python with ntfy.sh Notifications

Folder Monitor in Python with ntfy.sh Notifications

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10 min read
Save Hours Managing Ghost with These Python Scripts

Save Hours Managing Ghost with These Python Scripts

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8 min read
Building Weather & History Story Cards with Python and FastAPI

Building Weather & History Story Cards with Python and FastAPI

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17 min read
Hero’s Journey Story Generator in Python with Ollama

Hero’s Journey Story Generator in Python with Ollama

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11 min read
Mastering File System Monitoring with Watchdog in Python

Mastering File System Monitoring with Watchdog in Python

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6 min read
How to Convert Markdown Files to PNG Images

How to Convert Markdown Files to PNG Images

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4 min read
How to Build Cross-Platform Desktop Apps in Python with Flet

How to Build Cross-Platform Desktop Apps in Python with Flet

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10 min read
CustomTkinter - A Complete Tutorial

CustomTkinter - A Complete Tutorial

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11 min read
How to Build a Free Weather App with PySide6 and Open-Meteo

How to Build a Free Weather App with PySide6 and Open-Meteo

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10 min read
Python Key-Value Store Tutorial - Build, Encrypt, and Optimize Your Data Storage

Python Key-Value Store Tutorial - Build, Encrypt, and Optimize Your Data Storage

8
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11 min read
Introduction to Textual: Building Modern Text User Interfaces in Python

Introduction to Textual: Building Modern Text User Interfaces in Python

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5 min read
Top 5 Python Libraries to Watch in 2025

Top 5 Python Libraries to Watch in 2025

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6 min read
How to Quickly Build APIs in Python

How to Quickly Build APIs in Python

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6 min read
Understanding Python's *args and **kwargs

Understanding Python's *args and **kwargs

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4 min read
Working with CSV, JSON, and Binary Files in Python

Working with CSV, JSON, and Binary Files in Python

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5 min read
Guide to Python's CSV Module

Guide to Python's CSV Module

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5 min read
Self-Hosting vs. Serverless: A Deep Dive into the Debate

Self-Hosting vs. Serverless: A Deep Dive into the Debate

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6 min read
How to Build a Hangman Game in Python: A Step-by-Step Guide

How to Build a Hangman Game in Python: A Step-by-Step Guide

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4 min read
Using Context Managers and Exception Handling for File Operations in Python

Using Context Managers and Exception Handling for File Operations in Python

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6 min read
Understanding Keyword Arguments in Python

Understanding Keyword Arguments in Python

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6 min read
Handling Large Files and Optimizing File Operations in Python

Handling Large Files and Optimizing File Operations in Python

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5 min read
Understanding Python's heapq Module

Understanding Python's heapq Module

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3 min read
Working with Different File Modes and File Types in Python

Working with Different File Modes and File Types in Python

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5 min read
Concurrency in Python with Threading and Multiprocessing

Concurrency in Python with Threading and Multiprocessing

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7 min read
Object-Oriented Programming (OOP) in Python: Classes and Objects Explained

Object-Oriented Programming (OOP) in Python: Classes and Objects Explained

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6 min read
Introduction to File Handling in Python: Reading and Writing Files

Introduction to File Handling in Python: Reading and Writing Files

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4 min read
Python Best Practices: Writing Clean, Efficient, and Maintainable Code

Python Best Practices: Writing Clean, Efficient, and Maintainable Code

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4 min read
Python Trick: Using dataclasses with field(default_factory=...)

Python Trick: Using dataclasses with field(default_factory=...)

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1 min read
Python Trick: The else Clause on Loops

Python Trick: The else Clause on Loops

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How to Deploy Django on a Budget with Hetzner and Dokku

How to Deploy Django on a Budget with Hetzner and Dokku

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11 min read
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