Blog
Articles, news, tutorials, and real-world lessons from modern builders.
Flask Tutorial: Setup and First Route
Set up Flask in a virtual environment, create app.py, run the development server, and follow a request through your first browser route.
Python Fundamentals Learning Path: Series Recap and Next Steps
A practical recap of the Python Fundamentals series, with six lessons, key skills, checkpoints, and clear next steps after building the CLI project.
Python CLI Mini Project: Build an Expense Tracker from Scratch
Build a Python CLI expense tracker from scratch using input, JSON file storage, functions, dataclasses, error handling, and basic testing.
CORS: Cross-Origin Resource Sharing Explained and Secured
Understand CORS, origins, preflight requests, credentials, allowed headers, common misconfigurations, and secure API configuration for browsers.
Circuit Breaker Pattern: Building Resilient Systems
Learn the circuit breaker pattern with closed, open, and half-open states, retries, timeouts, fallbacks, observability, and production trade-offs.
Python Project Structure: venv, pip, Requirements, and Testing
Learn how to organize a Python project with folders, virtual environments, pip, requirements.txt, .env files, pytest, and a simple entry point.
Hexagonal Architecture: Ports and Adapters Explained
Understand hexagonal architecture with ports, adapters, dependency direction, testing benefits, examples, trade-offs, and practical implementation guidance.
Saga Pattern: Managing Distributed Transactions
Learn the saga pattern for distributed transactions, including choreography, orchestration, compensating actions, failure handling, and practical trade-offs.
Object-Oriented Python for Beginners: Classes, Objects, and Dataclasses
Learn practical Python OOP: classes, objects, methods, __init__, dataclasses, composition, and when object-oriented code actually helps.
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