// Field Notes

Technical Blog

Tutorials, deep-dives, and operational lessons from the intersection of Python and downstream retail operations.

ALL PYTHON & BACKEND INDUSTRIAL AUTOMATION RETAIL OPERATIONS IOT & EMBEDDED MAINTENANCE & RELIABILITY TUTORIALS OTHERS
Build a Maintenance Tracker in Flask (Part 1: The Data Model)
Maintenance & Reliability 4 min read

Build a Maintenance Tracker in Flask (Part 1: The Data Model)

Starting a small Flask project to track equipment maintenance properly. Part 1 covers the models and the handful of...

Reghan
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Why Fuel Stations Still Run Maintenance on WhatsApp and Spreadsheets
Maintenance & Reliability 4 min read

Why Fuel Stations Still Run Maintenance on WhatsApp and Spreadsheets

A look at why most downstream fuel retail networks still track maintenance on WhatsApp and spreadsheets, and what...

Reghan
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How to Hide Your API Keys in Python Using .env Files (For Absolute Beginners)
Python & Backend 2 min read

How to Hide Your API Keys in Python Using .env Files (For Absolute Beginners)

Stop putting secrets in your code. Learn how to use python-dotenv and .env files to manage API keys and configs securely.

Reghan
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How to Use pip and requirements.txt Like a Pro (After Venv)
Python & Backend 1 min read

How to Use pip and requirements.txt Like a Pro (After Venv)

Learn how to install, freeze, and manage Python packages with pip and requirements.txt after creating your virtual...

Reghan
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Mastering Python Virtual Environments with venv: A Beginner's Guide
Python & Backend 3 min read

Mastering Python Virtual Environments with venv: A Beginner's Guide

As a developer passionate about clean, efficient coding practices, I've often found that managing Python projects...

Reghan
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