Building a Stripe-Powered Store in Next.js: A DevOps Architecture Guide
A deep dive into integrating Stripe Checkout with Next.js — covering API routes, webhooks, CSP, and what I learned building two production stores.
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Educational materials, tutorials, and lecture notes on statistics, machine learning, and AI, plus conference talks and presentations. This includes fundamentals of AR, MR, and VR development (Machine Learning for data science, VR Fundamentals & WebXR Development, 3D Interaction Design, Performance Optimization), as well as research-based teaching on GenAI applications in Virtual Reality, eye tracking and bio sensors in immersive systems, and digital sovereignty and privacy-preserving technologies.
A deep dive into integrating Stripe Checkout with Next.js — covering API routes, webhooks, CSP, and what I learned building two production stores.
The observability paradox, vanishing junior roles, and what actually changes when AI transforms site reliability engineering
Master AI-assisted dub techno production in Ableton Live with MCP Extended. Learn setup, commands, workflows, and advanced techniques for creating professional DUB tracks.
Master open-source AI music generation with ACE-Step 1.5. Learn installation, fine-tuning, Ableton integration, and production workflows for high-quality results.
A comprehensive guide to how AI agents discover, manage, and execute skills — from MCP tools and OpenAI function calling to LangChain's Deep Agents, CrewAI capabilities, and the emerging ACP protocol. Covers framework patterns, skill registries, versioning, security, and production best practices.
A practical calibration-first guide to OrcaSlicer — temperature towers, retraction tuning, pressure advance, flow rate, and material-specific profiles for PLA, PETG, TPU, and ASA
A comprehensive survey of the Klipper firmware landscape — stock Klipper, Mainsail, Fluidd, Rinkhals for Kobra S1/S1C, KlipperScreen, and a decision framework for choosing the right firmware for your printer
A root-cause-first troubleshooting guide for 3D printing — learn to diagnose stringing, warping, layer shift, under-extrusion, over-extrusion, and Z-banding using calibration baselines and first-party diagnostic tools
A comprehensive deep dive into agentic AI — from the core concepts that define an agent, through the architecture patterns and protocol layer, to the 2026 framework ecosystem and production deployment strategies.
A practical guide to world-locked content with WebXR Anchors and plane detection — anchor lifecycle, persistent anchors, plane semantics, and combining with hit testing for robust placement UX.
A performance deep-dive into WebXR Composition Layers — projection, quad, cylinder, and equirectangular layers, video playback via XRMediaBinding, and GPU-composited overlay techniques.
A practical deep-dive into the WebXR Hand Tracking API — joint positions, pinch detection, custom gesture recognition, and interaction patterns for immersive VR applications.
Comprehensive guide to WebXR hit testing and depth sensing — ray intersection, transient hit tests, reading the depth buffer, occlusion rendering, and mesh reconstruction for real-world interaction.
End-to-end guide to building a production WebXR application with Three.js and TypeScript — project setup, session lifecycle, controller input, teleportation, VR UI, and deployment.
How algorithmic design and AI are transforming 3D printing — from topology optimization to lattice structures, with practical open-source workflows
Security startup Depthfirst's autonomous AI agent discovered 21 previously unknown vulnerabilities in FFmpeg for roughly $1,000 in compute — including a 183-byte RCE exploit and a bug dormant since 2003.
Side-by-side comparison of n8n and Dify for AI-powered automation: architecture, use cases, when to use which, and how to run both in production with Docker Compose.
Building and optimizing a multi-node DeepSeek V4 Flash inference cluster on DGX Spark with vLLM — from baseline 5.5 TPS to ~20 TPS through safe, production-proven optimizations, including MTP speculation and PIECEWISE cudagraph.
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