Tutorials
How to Test Batteries with a Voltmeter: A Quick DIY Guide
Learn how to quickly test household batteries with a voltmeter to save money and reduce waste. Simple step-by-step guide with voltage reference chart and troubleshooting tips.
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Exploring Cloud, AI, Automation, and Engineering Culture
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Latest posts on cloud, AI, and development
DevOps
AWS re:Invent 2025: Day 3 - Infrastructure Innovations & Werner's Renaissance Developer
Day 3 of AWS re:Invent 2025 brings Graviton5 (192 cores), Lambda Managed Instances, and Werner Vogels’ final closing keynote introducing the ‘Renaissance Developer’ framework—5 principles for developers thriving alongside AI.
DevOps
AWS re:Invent 2025: Day 2 - Agentic AI & Partners Day
Day 2 of AWS re:Invent 2025 focuses on Agentic AI with Dr. Swami’s keynote announcing Strands SDK, Bedrock Reinforcement Fine Tuning, SageMaker HyperPod improvements, plus deep dives into AWS’s secret security systems and CloudFront flat-rate pricing.
DevOps
AWS re:Invent 2025: Day 1 - CEO Keynote & Opening Day
Day 1 of AWS re:Invent 2025 kicks off with Matt Garman’s CEO keynote announcing Trainium3 UltraServers, Amazon Bedrock AgentCore, Nova 2 foundation models, and a clear vision: billions of AI agents powering the future of development.
DevOps
AWS re:Invent 2025 Notes
Complete coverage of AWS re:Invent 2025 in Las Vegas—the year AWS went all-in on agentic AI. Key announcements include Trainium3 UltraServers, Graviton5, Amazon Bedrock AgentCore, Lambda Managed Instances, Kiro Powers, and Werner Vogels’ ‘Renaissance Developer’ framework.
macOS
How to Fix Apple Mail When It Gets Stuck
Complete troubleshooting guide for Apple Mail on Mac, iPhone, and iPad. Fix stuck messages, sync issues, and performance problems on macOS Ventura, Sonoma, and Sequoia.