Articles from category Backend
Python Virtual Environments Explained in the Easiest Possible Way
A concise, practical guide to Python virtual environments: what they are, why they matter, how to create and use them with venv, virtualenv, pipx and Poetry, plus best practices for projects and CI.
17/11/2025| Backend|4 min
Read and Write JSON Files in Python (Beginner Guide)
A practical, beginner-friendly guide to reading and writing JSON files in Python — covering json.load/json.dump, pretty printing, atomic writes, JSON Lines, streaming options, error handling, and best practices.
17/11/2025| Backend|5 min
Python for Web Dev: Everything Beginners Need to Know Before Starting
A practical, developer-focused guide that explains the Python web ecosystem, framework trade-offs, tooling, deployment patterns, and a minimal starter example so beginners can make informed choices.
17/11/2025| Backend|8 min
Controllers, Modules, Providers: The NestJS Building Blocks Explained
A focused, practical guide to NestJS’s core concepts — controllers, providers (services), and modules — how they interact, and patterns for building scalable backend applications with TypeScript.
17/11/2025| Backend|5 min
NestJS for Beginners: Build Your First REST API Step-By-Step
A hands-on, step-by-step guide to building a simple REST API with NestJS and TypeScript. Covers setup, controllers, services, DTOs, validation, and testing with curl.
17/11/2025| Backend|7 min
Understanding the Event Loop in Node.js (Without the CS Degree)
A pragmatic, non-academic explanation of how the Node.js event loop works, why it matters for real-world apps, and practical tips to avoid common traps.
17/11/2025| Backend|6 min
CommonJS vs ES Modules in Node.js: Which Should Beginners Use?
A practical comparison of CommonJS (CJS) and ES Modules (ESM) in Node.js — syntax, runtime behavior, tooling, migration tips, and a clear recommendation for beginners.
17/11/2025| Backend|7 min
Node.js Crash Course: Build a Simple API in Under an Hour
A compact, hands-on guide to building a small RESTful API with Node.js and Express — from setup to CRUD endpoints, validation, and quick testing — all in under an hour.
17/11/2025| Backend|7 min