Posted inProgramming
Beyond REST: Building High-Performance gRPC APIs with Go and Python
Is JSON parsing slowing down your microservices? Learn how to implement high-performance gRPC APIs using Go and Python to slash latency and CPU usage.
Posted inAI
From Chatbots to Agents: A Practical Guide to Function Calling with OpenAI and Claude
Bridge the knowledge gap between LLMs and the real world. This guide covers how to implement Function Calling in OpenAI and Claude using Python to build reliable AI agents.
Posted inHomeLab
Deploy Immich on Docker: Self-Hosted Photo and Video Backup for Your HomeLab
Tired of paying for Google Photos storage or worrying about your memories sitting on someone else's server? Immich is a self-hosted photo and video backup solution that runs on Docker and gives you full control. This guide walks through the complete setup from docker-compose deployment to mobile auto-backup and Google Photos migration.
Posted inNetworking
Setting Up a Squid Proxy Server on Linux: Access Control, Content Filtering, and Bandwidth Caching
Squid proxy server gives you fine-grained control over your network's outbound traffic — access control by IP or user, content filtering via domain blocklists, and HTTP caching to reduce bandwidth costs. This guide walks through a complete production-ready setup on Linux.
Posted inProgramming
Building Professional CLI Tools with Python Click and Rich: From Simple Script to Polished Command-Line App
Learn how to build professional Python CLI tools using Click and Rich by comparing approaches, understanding trade-offs, and following a hands-on implementation guide. From decorator-based commands to Rich tables and progress bars, this tutorial covers everything you need to turn a Python script into a tool your team will actually use.
Posted inProgramming
Clean Architecture in Go: Build Maintainable and Scalable Go Applications
Clean Architecture in Go enforces strict dependency rules that keep business logic isolated from databases and HTTP frameworks. This guide walks through a practical Go project structure with real code examples showing how to write fast, testable, and maintainable services.
Posted inDatabase
Managing Database Transactions in SQL: Ensuring Data Consistency and Integrity
Database transactions are the mechanism that keeps your data consistent when multiple SQL statements need to succeed or fail together. This guide covers ACID properties, COMMIT/ROLLBACK, SAVEPOINTs, isolation levels, and practical patterns to avoid data corruption in production.
Posted inAI
Extract and Process PDF Tables with Docling for RAG Systems
After 6 months of using Docling in production for PDF-heavy RAG systems, I share how to extract tables properly, chunk them intelligently, and index them for accurate retrieval. Covers quick start, pipeline setup, and hard-won practical tips.
Posted inAI
AI-Powered Test Automation: Building Resilient Playwright Scripts with LLMs
Tired of fixing broken CSS selectors? Learn how to use GPT-4o and Playwright to build self-healing test suites that adapt to UI changes automatically.
Posted inHomeLab
Build Your Own Private CA with Step-ca: Stop Ignoring SSL Warnings in Your HomeLab
Tired of SSL warnings in your HomeLab? This guide shows you how to build a Private CA using Step-ca to automate internal certificates without internet access.