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Writing on GPUs, LLMs, MLOps, Kubernetes — and mindset · 3525 posts
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Anatomy of an AI Harness — The Scaffolding That Turns a Model Into an Agent (Loop, Tools, Context, and Building Your Own)
The model is the engine; the harness is the car. Put a different car around the same engine and the driving experience changes completely. In 2026, the real center of gravity in AI engineering isn't the model — it's the
2026-05-14 · 16 min read #ai-harness#ai-agent#llm#agent-loop#tool-executionAI Coding Workflow Best Practices in 2026 — CLAUDE.md, AGENTS.md, .cursorrules, Skills, Subagents, MCP Deep Dive ♪ Listenable
The standards AI coding tools are converging on in 2026 — CLAUDE.md, AGENTS.md, .cursorrules, .github/copilot-instructions.md, plus Claude Code Skills, subagents, hooks, MCP, and permission modes. What goes in each file,
2026-05-14 · 20 min read #ai-coding#claude-md#agents-md#cursorrules#claude-codeAI CLI Coding Tools Shootout 2026 — Claude Code, Junie, Cline, Aider, Codex CLI, Cursor CLI, Continue.dev ♪ Listenable
The real battlefield in 2026 isn't the IDE panel — it's the terminal. We dissect seven terminal-native CLI harnesses that share the same models but behave completely differently: Claude Code, JetBrains Junie CLI, Cline,
2026-05-14 · 24 min read #ai-coding#claude-code#junie#cline#aider3D Development for the Web in 2026 — Three.js, R3F, WebGPU, Gaussian Splatting (a deep-dive on the modern web 3D stack) (english) ♪ Listenable
The WebGL era is over. As of January 2026, WebGPU is Baseline in Chrome, Edge, Firefox, and Safari 26, and web 3D has turned a new page. Three.js r182 recommends WebGPURenderer by default, TSL unifies WGSL and GLSL into
2026-05-14 · 18 min read #3d#web-3d#threejs#react-three-fiber#webgpuThe Complete Guide to AI Development Automation — GitHub Integration, Ticket-Based Agentic Workflows, Copilot, Claude Code, Devin, Jules (2025) ♪ Listenable
2025 was the year AI moved from 'suggesting code' to 'owning the ticket.' Assign a GitHub Issue to an AI agent and it rolls forward on its own — branch creation, implementation, PR, passing CI. A 4-level maturity model,
2026-05-14 · 29 min read #ai-development#automation#github#copilot#claude-codeVoice AI in Practice — The Complete Guide: Real-Time STT/TTS, Speech LLMs, Turn-Taking, and Deepfake Defense (2025)
Why "AI without a screen" became the hottest product category of 2025. Real-time voice pipelines (VAD/STT/LLM/TTS), speech LLMs (GPT-4o realtime/Gemini Live/Moshi), turn-taking and interruption, emotion and prosody contr
2026-04-15 · 12 min read #voice-ai#stt#tts#gpt-4o-realtime#moshiObservability 2025 Complete Guide: OpenTelemetry, Grafana / Datadog / Honeycomb / SigNoz, SLO and Error Budget, LLM Observability (2025)
Season 5 Ep 8. Without observability there is no operations, and without operations there is no product. Unifying the three OpenTelemetry signals (metric, log, trace), the Grafana stack (Prometheus, Loki, Tempo, Mimir) v
2026-04-15 · 11 min read #observability#opentelemetry#grafana#datadog#honeycombThe Complete LLMOps Guide: Three-Axis Versioning of Model, Prompt, and Eval Set, Canary, Cost Control, and the Platform Team (2025)
Building an LLM product fast has become easy. Running it sustainably is the hard part. Three-axis versioning across model, prompt, and eval set; Shadow/Canary/Blue-Green deployment; cost control through tokens, caching,
2026-04-15 · 11 min read #llmops#mlops#devops#canary#cost-controlFrontend Security 2025 — XSS, CSRF, CSP, Trusted Types, JWT, OAuth, PKCE, Passkeys, Supply Chain, SRI (S6 E9)
XSS still tops every CVE report. But 2024–2025 shipped real tools to defeat it: Trusted Types, CSP v3 with strict-dynamic, Sanitizer API. Passkeys replaced passwords for serious products. Supply-chain attacks made SRI +
2026-04-15 · 6 min read #frontend#security#xss#csrf#cspFrontend CI/CD & Deployment 2025 — GitHub Actions, Turborepo, Vercel, Netlify, Cloudflare, Preview, Canary, Feature Flags, SLSA/SBOM (S6 E12)
CI/CD for frontend is no longer "build and ship." It is caching, preview environments, canary rollouts, feature flags, supply-chain attestation (SLSA/SBOM), and rollback-first thinking. This guide compares GitHub Actions
2026-04-15 · 7 min read #frontend#ci-cd#deployment#github-actions#turborepoFeature Store and the Vector·Graph·Time-Series DB Convergence Guide: Feast·Tecton·Pinecone·Weaviate·Milvus·Neo4j·TimescaleDB (2025)
Season 5 Ep 6. The language of ML is features, the language of AI is vectors, the language of relationships is graphs, and the language of operations is time series. In 2025 every one of these DB categories crosses its o
2026-04-15 · 12 min read #feature-store#vector-db#graph-db#timeseries-db#feastThe Complete Philosophy Guide for Engineers: Epistemology, Ethics, Free Will, Stoicism, Buddhism, Popper, Pragmatism, and Tech Ethics (2025~2026)
A systematic philosophy guide for the questions of "why, right, and true" that an engineer faces for a lifetime. The basics of epistemology (from Plato to Popper), the three great traditions of ethics (utilitarian, deont
2026-04-15 · 14 min read #philosophy#epistemology#ethics#free-will#stoicThe Complete Engineer Health Guide: Sleep, Nutrition, Exercise, Posture, Eye Health, Mental Health, Burnout Prevention, and Longevity (2025~2026)
The hardware of creativity is your body. From Matthew Walker sleep science, caffeine cycles and blood-sugar stability, a Zone 2 cardio + 2x strength weekly protocol, developer posture and back/neck care, the 20-20-20 eye
2026-04-15 · 16 min read #health#sleep#nutrition#exercise#postureTLS/SSL and PKI Complete Guide — Handshake, Certificate Chain, Cipher Suites, 0-RTT, and the Post-Quantum Era (2025)
Behind the little padlock in the browser address bar lie 30 years of cryptography, trust chains, and protocol evolution. How TLS 1.2 2-RTT became 1.3 1-RTT, how the certificate chain makes you trust a server you have nev
2026-04-15 · 12 min read #tls#ssl#pki#https#certificateWeb Security Attack and Defense in Practice — XSS, CSRF, SSRF, Clickjacking, Prototype Pollution, Supply Chain, CORS Complete Guide (2025)
If the previous Security post was about "security for the organization", this one is about "the vulnerabilities lodged in your code". The three kinds of XSS with CSP nonce and Trusted Types, CSRF after SameSite, the SSRF
2026-04-15 · 12 min read #web-security#xss#csrf#ssrf#clickjackingTCP Network Stack Deep Dive — State Machine, Congestion Control (Cubic vs BBR), Nagle, Delayed ACK, and the Evolution to QUIC (2025)
A TCP connection traverses 11 states from open to close. Why does TIMEWAIT linger for 30 seconds? Why does Nagle meeting Delayed ACK produce a 40ms stall? Why does BBR beat Cubic, and why did Google abandon TCP for QUIC?
2026-04-15 · 9 min read #tcp#networking#congestion-control#bbr#cubicRedis Production Operations Complete Guide 2025: Cluster, Persistence, Memory, Redis 7+
Everything about Redis in production! 8 data structures, persistence (RDB vs AOF), Sentinel vs Cluster, memory management (maxmemory-policy), performance tuning, Redis 7+ features, Valkey/KeyDB comparison, monitoring and
2026-04-15 · 8 min read #redis#cache#production#cluster#persistenceThe Return of Rust and Systems Programming — Ownership, Borrowing, Lifetime, Trait, Async, Tokio, Cargo, WebAssembly (2025)
Why is Rust the "most loved language" for 9 years running? From Graydon Hoare personal project to the Linux kernel, the Ownership and Borrowing revolution, Lifetime magic, Trait system, zero-cost abstractions, Tokio asyn
2026-04-15 · 14 min read #rust#systems-programming#memory-safety#tokio#webassemblyStreaming vs Batch Redefined: Flink, RisingWave, Materialize, CDC, Streaming SQL and the Pragmatism of Real Time (2025)
Season 5 Ep 2. "Everything in real time" was the promise of 2020. 2025 is the era of pragmatism — the line between batch and streaming has blurred, and the real question has become "how fresh does this data have to be to
2026-04-15 · 13 min read #streaming#batch#flink#risingwave#materializePostgreSQL Production Operations Complete Guide 2025: Extensions, Tuning, Monitoring, HA
Everything about running PostgreSQL in production! Essential extensions (pgstatstatements/pgvector/PostGIS/TimescaleDB), performance tuning (sharedbuffers/workmem/effectivecachesize), VACUUM/Autovacuum management, monito
2026-04-15 · 7 min read #postgresql#database#production#extensions#performance