Deep-Dive Comparison of GPT-5.1 — Differences from Older Models (GPT-5/4 Family) and Other LLMs (Claude 3.7, Gemini 2.0, Llama 3.1, Mistral), and How to Use Them in Practice Key points…
Complete Deep Dive into Amazon CloudFront: A Practical “Front-End Optimization” Guide with Hands-On Comparison to Cloud CDN (GCP) and Azure Front Door Introduction (Key Takeaways) This article is a long-form…
〜 UML Design: Drawing “Structure” with Class Diagrams and “Behavior” with Sequence Diagrams 〜
Comprehensive Guide to Amazon VPC: Master “Unbreakable Network Design” with a Practical Comparison to GCP VPC and Azure VNet Introduction (Key Takeaways) This long-form, practitioner-focused guide centers on Amazon VPC…
Amazon RDS, Explained: A Practical Managed RDB Design Guide You Won’t Get Lost In — Real-World Comparison with Cloud SQL (GCP) and Azure SQL/Database Introduction (Key Takeaways) This long-form practical…
No-Drama Configuration & Secret Management: A Practical FastAPI × pydantic-settings Guide — Environment Variables, .env, Multi-Env Switching, Type Safety, Validation, Secret Operations, and Feature Flags Summary (Big Picture First) The…
AWS Lambda Deep Dive: Finding the “Serverless Sweet Spot” Through Practical Comparisons with Cloud Run functions (GCP) and Azure Functions Introduction (Key Takeaways) This guide focuses on AWS Lambda, carefully…
The Difference Between SEO and GEO (Generative Engine Optimization) — Visibility Design for the Gen-AI Era and What to Invest in Now Key points first GEO = Generative Engine Optimization…
Amazon EC2 Deep Dive: Practical Virtual Server Design Without the Confusion—Real-World Comparison with GCP Compute Engine & Azure VM Introduction (Key Takeaways) This article is a practical guide you can…
Comprehensive Security Review of China-Made Products — Testing “Do Leaks to the Chinese Government Happen?” Through Law, Case Studies, Regulations, and Practical Ops Key points up front Publicly verified, decisive…