backend – Page 8 – ITFROMZERO

Development tutorial - IT technology blog

Building a Data Streaming System with Apache Kafka and Node.js: From Zero to Production

By admin April 23, 2026

Is your system slowing down when handling massive data? Discover how Apache Kafka and Node.js solve data streaming challenges with a guide from Docker setup to real-world code.

Database

Mastering Logical Replication in PostgreSQL: Flexible and Practical Data Sync

By admin April 23, 2026

PostgreSQL Logical Replication enables selective data sync and minimizes downtime. This guide covers configuration steps and fixes for Primary Key and Sequence issues based on real-world experience.

Python

Celery & Redis: Background Task Solutions to Speed Up Python Applications

By admin April 22, 2026

Significantly speed up Python applications by offloading heavy tasks to Celery and Redis. A detailed guide from setup to professional worker management.

Development

Building High-Speed Microservices with Go and gRPC: From Theory to Practice

By admin April 22, 2026

Learn to build high-speed microservices with Go and gRPC. A detailed guide on reducing latency by 40% and optimizing inter-service communication using Protocol Buffers.

Database

Mastering MongoDB Aggregation Framework: Building Real-World Data Pipelines

By admin April 20, 2026

Learn to build optimized MongoDB Aggregation Pipelines through real-world examples. Explore $match, $group, $lookup, and how to handle the 100MB RAM limit for Big Data.

Database

PostgreSQL Indexing: Don’t Just Use B-Tree for Millions of Rows

By admin April 19, 2026

Stop overusing B-Tree for everything. This article shares practical experience on using GIN for JSONB, BRIN for Big Data, and how to create indexes without locking your production database.

MySQL

MySQL Deadlock: From a 2 AM Nightmare to a Definitive Resolution Guide

By admin April 18, 2026

MySQL deadlocks aren't scary if you know how to read InnoDB Status logs. Discover 5 practical techniques to reduce transaction conflicts by 80% and optimize high-load systems.

Development

Building Real-time Applications with WebSocket and Node.js: From Chat Apps to 10,000 CCU Dashboards

By admin April 14, 2026

Learn how to build real-time applications from Chat Apps to professional monitoring Dashboards. This article shares experiences in handling memory leaks, scaling with Redis, and optimizing performance for 10,000+ connections.

Development

Refresh Token Rotation: The Ultimate JWT Security Safeguard for Node.js

By admin April 13, 2026

Level up your Node.js security with Refresh Token Rotation. A detailed guide on preventing token abuse while maintaining a seamless user experience.

Python

Regex for Beginners: Deciphering the “Code” and Processing Data in 5 Minutes

By admin April 12, 2026

Master Regex in Python for lightning-fast data processing. A detailed guide from basic syntax to data extraction techniques using real-world examples.