krowdev Dev notes, Astro tutorials, and agentic coding patterns. https://krowdev.com/ 2026-04-07T00:00:00.000Z krow Astro Pipeline Stage Communication https://krowdev.com/snippet/pipeline-stage-communication/ 2026-04-07T00:00:00.000Z 2026-04-10T00:00:00.000Z Patterns for connecting independent pipeline stages via message queues — decoupled producers and consumers with batch collection and backpressure. AI-drafted, directed by krow Worker Pool Isolation Pattern https://krowdev.com/snippet/worker-pool-isolation/ 2026-04-07T00:00:00.000Z 2026-04-10T00:00:00.000Z Separate worker pools per task type so a slow or failing dependency can't starve unrelated work — the bulkhead pattern applied to concurrent processing. AI-drafted, directed by krow Domain Registration: From ICANN to Your Browser https://krowdev.com/note/domain-registration-icann-to-browser/ 2026-03-29T00:00:00.000Z 2026-03-29T00:00:00.000Z How domains move from ICANN through registries and registrars — the three-tier model, EPP, lifecycle states, and what happens when a domain drops. AI-drafted, directed by krow Building a High-Throughput DNS Scanner in Go https://krowdev.com/article/go-dns-scanner-4000qps/ 2026-03-29T00:00:00.000Z 2026-03-29T00:00:00.000Z From 160 qps to 4000+ by moving the hot path into Go — eliminating shared state, per-goroutine connections, and lessons from massdns and zdns. AI-drafted, directed by krow Multi-Agent Coordination Without an LLM https://krowdev.com/note/multi-agent-coordination-without-llm/ 2026-03-29T00:00:00.000Z 2026-03-29T00:00:00.000Z A deterministic coordinator for parallel AI agents — goals, budgets, feedback loops, and redirect signals without LLM judgment in the control plane. AI-drafted, directed by krow TLS Fingerprinting with curl_cffi https://krowdev.com/note/tls-fingerprinting-curl-cffi/ 2026-03-29T00:00:00.000Z 2026-03-29T00:00:00.000Z How curl_cffi impersonates browser TLS and HTTP/2 fingerprints in Python — what it handles automatically and the one header you still need to set. AI-drafted, directed by krow AIMD Rate Limiting for API Clients https://krowdev.com/note/aimd-rate-limiting/ 2026-03-28T00:00:00.000Z 2026-03-28T00:00:00.000Z TCP congestion control applied to API rate limiting — additive increase on success, multiplicative decrease on errors. Finds the limit automatically. AI-assisted, by krow How Websites Detect Bots in 2026 https://krowdev.com/article/bot-detection-2026/ 2026-03-28T00:00:00.000Z 2026-03-28T00:00:00.000Z How Cloudflare, Akamai, and DataDome detect bots — from TCP SYN fingerprints through TLS handshakes to HTTP/2 SETTINGS. Based on empirical captures. AI-drafted, directed by krow DNS Resolution: The Full Picture https://krowdev.com/guide/dns-resolution-full-picture/ 2026-03-28T00:00:00.000Z 2026-03-28T00:00:00.000Z How DNS resolution works — root servers, TLD nameservers, record types, response codes, zone files, and why queries are nearly invisible. AI-drafted, directed by krow Parallel AI Research Pipelines https://krowdev.com/article/parallel-ai-research-pipelines/ 2026-03-28T00:00:00.000Z 2026-03-28T00:00:00.000Z Three systems for orchestrating parallel AI agents — JSONL work items, declarative workspaces, and phased research pipelines. AI-assisted, by krow WHOIS Is Dead, Long Live RDAP https://krowdev.com/note/whois-dead-long-live-rdap/ 2026-03-28T00:00:00.000Z 2026-03-28T00:00:00.000Z ICANN sunsetted WHOIS in January 2025. RDAP replaced it — structured JSON over HTTPS instead of plaintext over TCP. Here's what changed and why it matters. AI-drafted, directed by krow Writing an Effective CLAUDE.md https://krowdev.com/guide/claude-md-patterns/ 2026-03-21T00:00:00.000Z 2026-04-10T00:00:00.000Z Patterns for project instruction files that actually change how AI agents behave — boundaries, conventions, and the rules that matter. AI-drafted, directed by krow Reviewing AI-Generated Code https://krowdev.com/guide/reviewing-ai-generated-code/ 2026-03-21T00:00:00.000Z 2026-03-21T00:00:00.000Z A checklist and mental model for reviewing code you didn't write — what to look for when your coding agent hands back a diff. AI-drafted, directed by krow What I Learned Building krowdev with AI Agents https://krowdev.com/article/building-krowdev-with-agents/ 2026-03-20T00:00:00.000Z 2026-04-10T00:00:00.000Z Honest retrospective on building a developer knowledge base entirely with AI coding agents — what worked, what didn't, and what I'd do differently. AI-drafted, directed by krow Git Commands I Actually Use https://krowdev.com/snippet/git-commands-i-use/ 2026-03-20T00:00:00.000Z 2026-03-20T00:00:00.000Z The 20% of git that covers 95% of daily work — no theory, just commands. AI-drafted, directed by krow HTTP Status Codes That Actually Matter https://krowdev.com/snippet/http-status-codes/ 2026-03-20T00:00:00.000Z 2026-03-20T00:00:00.000Z The 15 HTTP status codes you'll actually encounter in web development, with one-sentence real-world explanations. AI-drafted, directed by krow Interactive Features Showcase https://krowdev.com/snippet/interactive-features-showcase/ 2026-03-17T00:00:00.000Z 2026-03-17T00:00:00.000Z All the interactive components, code features, and eye candy available in krowdev articles. AI-assisted, by krow Getting Started with Agentic Coding https://krowdev.com/guide/agentic-coding-getting-started/ 2026-03-15T00:00:00.000Z 2026-03-15T00:00:00.000Z What agentic coding is, why it matters, and how to start using AI coding agents effectively. AI-drafted, directed by krow The Mental Model https://krowdev.com/guide/astro-mental-model/ 2026-03-15T00:00:00.000Z 2026-03-15T00:00:00.000Z What Astro actually is — a compiler, not a server. The single concept that makes everything else click. AI-drafted, directed by krow