backend – Page 2 – ITFROMZERO

Optimizing PostgreSQL Dashboards: Speed up Queries 100x with Materialized Views

By admin May 27, 2026

Discover the power of Materialized Views in PostgreSQL. An optimal solution to make dashboards load instantly by storing pre-calculated query results.

Python

Mastering Pydantic v2: Don’t Let ‘Garbage’ Data Ruin Your Python Applications

By admin May 25, 2026

Don't let data errors break your application. This detailed Pydantic v2 guide helps you validate, standardize, and process Python data up to 20x faster with its Rust core.

Python

Python Integration Testing: Ending the “Fake Mock, Real Bug” Nightmare with Testcontainers

By admin May 23, 2026

Forget mocking databases! Here is a detailed guide on using Testcontainers and Pytest to write realistic integration tests for Python apps, ensuring code works 100% in production.

Database

Scaling PostgreSQL ‘Unlimited’ with Citus: From 1 Billion to Tens of Billions of Records

By admin May 22, 2026

Citus is the leading solution for Horizontal Sharding in PostgreSQL. Learn how to set up a cluster, choose a Shard Key, and optimize performance for systems with billions of records.

Database

SurrealDB Tutorial: A Database to Replace PostgreSQL, Redis, and Neo4j?

By admin May 20, 2026

Forget about installing Postgres, Redis, and Neo4j all at once. Discover SurrealDB - a Multi-model database written in Rust that optimizes real-time applications and simplifies backend architecture.

Development

Building a Real-time Notification System with Node.js and Redis Pub/Sub: Rescuing the Database at 2 AM

By admin May 19, 2026

Is your notification system overwhelming your database? Learn how to build a robust real-time architecture with Node.js and Redis Pub/Sub for superior performance.

Python

Python Loguru Tutorial: Modern Logging Without the Boilerplate Code

By admin May 18, 2026

Forget the complex standard logging module. Loguru is the modern logging solution for Python. Learn to configure colorful logs, auto-rotate files, and debug fast with @logger.catch.

MySQL

MySQL 8 Invisible Columns: The ‘Secret Weapon’ for Database Upgrades Without Breaking Your App

By admin May 18, 2026

Invisible Columns in MySQL 8 helps you upgrade table structures without breaking legacy applications. Learn how to add stealth metadata columns and apply them to zero-downtime deployments.

Docker

Testcontainers Guide: Stop Using H2 Database for Integration Testing

By admin May 17, 2026

The era of using H2 Database for testing is over. Here is a detailed guide on using Testcontainers with Docker to automate Integration Tests and ensure production parity.

Development

Building GraphQL APIs with Node.js and Apollo Server: From Schema to Mutation

By admin May 6, 2026

Learn how to build efficient GraphQL APIs with Node.js and Apollo Server through real-world examples. This guide compares REST vs. GraphQL and shares payload optimization tips.