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Development tutorial - IT technology blog

PocketBase: Build an “All-in-one” Backend at Lightning Speed with a Single File

By admin August 12, 2026

PocketBase is a powerful open-source Backend-as-a-Service solution that integrates Database, Auth, and File Storage into a single executable. It's the perfect tool for building MVPs and small projects at lightning speed.

Artificial Intelligence tutorial - IT technology blog

Shedding Light on the ‘Black Box’ of Local RAG with Arize Phoenix in 5 Minutes

By admin August 12, 2026

Set up Arize Phoenix to trace and evaluate 100% local RAG. Learn how to use an LLM Judge for auto-scoring and optimizing latency for your AI system.

Development

Design Patterns in Go: From ‘Spaghetti Code’ to Production-Ready Systems

By admin August 12, 2026

Don't let your Go code turn into spaghetti. Discover how to apply Singleton, Factory, and Strategy patterns based on real-world Fintech project experience.

VMware

Mastering VMware Skyline Health: Proactive vSphere Diagnostics Before Issues Occur

By admin August 12, 2026

Stop reacting to vSphere crashes. Learn how to use VMware Skyline Health to automate hardware compatibility, driver, and system configuration checks like a pro.

Build Your Own ‘Google Search’ for AI: Combining SearXNG and LangChain to Break Knowledge Limits

By admin August 12, 2026

Build your own private, free AI Search Engine with SearXNG and LangChain. Enable LLMs to access real-time data and overcome knowledge limits without expensive API fees.

Database

pg_repack Guide: Efficiently Resolving PostgreSQL Bloat with Zero Downtime

By admin August 11, 2026

PostgreSQL bloat wastes resources and degrades performance. Discover how to use pg_repack to efficiently reclaim disk space with zero downtime.

MySQL

MySQL 9.0: Writing Stored Procedures with JavaScript Instead of Pure SQL

By admin August 11, 2026

MySQL 9.0 now supports writing Stored Procedures in JavaScript. Discover how to optimize business logic, handle JSON seamlessly, and boost system performance compared to traditional SQL.

Ubuntu

Deploying Ubuntu Core for IoT: How ‘Immutable’ Mode Keeps Systems Alive at the Edge

By admin August 11, 2026

Stop worrying about OS failure after updates. This guide helps you master Ubuntu Core—the immutable operating system designed for professional IoT devices.

Linux

Installing Homebrew on Linux: Manage the Latest CLI Tools Without Root Access

By admin August 11, 2026

Installing Homebrew on Linux gives you access to the latest CLI tools (gh, jq, fzf) without needing sudo. A lifesaver for Sysadmins working on restricted servers.

Netdisco: Effortless Network Topology Automation and Switch Port Management

Snapshot Testing with Pytest-snapshot: Stop Struggling with Manual Assertions

Say Goodbye to Passwords: Implementing Magic Links with Node.js and Nodemailer

Securing Python Source Code with PyArmor: Effectively Preventing Reverse Engineering and Protecting Intellectual Property

Feature-Sliced Design (FSD): A ‘Divide and Conquer’ Solution for Large-Scale React Projects

Building Professional CLIs with Node.js and Oclif: From Fragmented Scripts to Standardized Tools

Implementing Circuit Breaker in Python: Don’t Let a Faulty API Crash Your Entire System

Deploying FastNetMon: A Lightweight DDoS Detection Solution via NetFlow/sFlow

3 Pro GraphQL Security Tips: Don’t Hand Hackers the Keys to Your Kingdom

Securing Sudo with 2FA: The Final Defense Against Root Hijacking

PocketBase: Build an “All-in-one” Backend at Lightning Speed with a Single File

Shedding Light on the ‘Black Box’ of Local RAG with Arize Phoenix in 5 Minutes

Design Patterns in Go: From ‘Spaghetti Code’ to Production-Ready Systems

Mastering VMware Skyline Health: Proactive vSphere Diagnostics Before Issues Occur

Build Your Own ‘Google Search’ for AI: Combining SearXNG and LangChain to Break Knowledge Limits

pg_repack Guide: Efficiently Resolving PostgreSQL Bloat with Zero Downtime

MySQL 9.0: Writing Stored Procedures with JavaScript Instead of Pure SQL

Deploying Ubuntu Core for IoT: How ‘Immutable’ Mode Keeps Systems Alive at the Edge

Installing Homebrew on Linux: Manage the Latest CLI Tools Without Root Access