Writing · Nº 041065 essays
The writing
Ideas from inside the work. Explore technology, entrepreneurship, and the practice of building things that last.
1065 essays found · Page 37 of 89
Clear filtersEngineeringHow to Configure a UFW Firewall on a VPSConfigure a UFW firewall on a self-hosted VPS the right way: default deny, allow only what you serve, and keep your database off the public internet for good.EngineeringHow to Cut the Latency of Time-Critical App EmailsLogin codes and password resets that take minutes cost you signups. Here is how to cut transactional email latency so time-critical app emails arrive in seconds.EngineeringFall Back to Deterministic When the AI Is UnsureThe strongest AI-native systems keep a deterministic path underneath the model. When to route to rules instead of the model, and why a hybrid beats pure AI in production.EngineeringHow to Find and Remove Dead Code SafelyDead code inflates your repo, hides risk, and slows everyone down. Learn how to find dead code with confidence and remove it without breaking production.StrategyHow Much Should a Rebrand Cost in 2026A rebrand can cost a few thousand or six figures. Here is how to figure out what a rebrand should cost for your company and where the money actually goes.EngineeringHow to Secure WebSocket Connections in ProductionWebSocket security fails when you authorize only at connect time. Here is how to secure WebSocket connections with per-message auth, token handling, and rate limits.EngineeringWhy Transactional Email Needs Idempotency KeysRetries and duplicate triggers cause double sends unless your transactional email is idempotent. Here is how idempotency keys stop the duplicate receipt problem.AIHow to Keep AI-Drafted Content On BrandAI drafts come out flat and generic by default. Here is how to keep AI-drafted content on brand by feeding the model your voice and checking its output.OperatingOne Runbook for Twenty Apps: Amortized OpsOne runbook for twenty apps is how a solo operator survives. When every product runs on the same foundation, ops is written once and amortized across the whole portfolio.StrategyHow to Publish Honest AI Benchmarks Buyers TrustCherry-picked AI benchmarks fool no serious buyer. How to publish honest benchmarks with real methodology, failure cases, and numbers that survive scrutiny.OperatingHow to Route Workflow Steps to the Right Model for CostUsing your best model for every step of an AI workflow is a waste. Here is how model routing sends each step to the cheapest model that can do the job well.EngineeringScaling Real-Time Apps Is About Rooms, Not ConnectionsReal-time scaling cost is rooms times fan-out, not raw connection count. Learn why room design, not connection numbers, decides whether your app holds up.