Writing · Nº 041065 essays
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Clear filtersEngineeringZero-Downtime Deploys on a Single VPSYou do not need a cluster for zero-downtime deploys. Here is how to do blue-green and rolling deploys on one VPS so users never see a dropped request.EngineeringEvery AI Agent Needs a Kill SwitchA kill switch stops a misbehaving AI agent in seconds. Why every agent that takes actions needs one, and how to build a stop control you can actually trust.EngineeringLockfiles and Supply Chain Integrity, ExplainedYour lockfile is the last line of defense for supply chain integrity. Learn what it protects, how it fails, and how to verify what actually ships in your build.EngineeringReal-Time Latency Is a Product Decision, Not a MetricReal-time latency is not one number to minimize. It is a product decision about what has to feel instant. Here is how to set a latency budget that actually fits.EngineeringSeparate Chat History From Live DeliveryChat history and live message delivery are two systems, not one. Treat the durable log and the real-time channel separately or you will lose messages at scale.EngineeringAI Agents vs Traditional Automation: When to Use EachAI agents vs traditional automation compared: rules win on predictable tasks, agents win on judgment and messy input. How to pick the right tool for reliability.EngineeringIs AI-Generated Code a Security Risk?AI-generated code is a security risk in specific, predictable ways. Here is what actually goes wrong, what the fear gets wrong, and how to ship it safely.EngineeringWhy Most AI Coding Tools Stall at the PrototypeMost AI coding tools stall at the prototype because they optimize the generate step and ignore the loop. Getting to production takes verify and correct, not more speed.EngineeringOwn Your Database or Use Managed? How to DecideOwn your database or pay for managed? Here is how to decide, when self-hosted Postgres wins, when managed earns its cost, and how to keep the exit cheap.EngineeringRun Repo Intelligence Before You RefactorRefactoring without repo intelligence is guessing. Here is how to map churn, coupling, and blast radius before you refactor so you fix the right code safely.EngineeringHow to Roll Out DMARC Enforcement Without Blocking MailMoving DMARC to quarantine or reject can block your own legitimate email. Here is how to roll out DMARC enforcement safely, one step at a time, without losing mail.EngineeringDo Transactional Emails Need an Unsubscribe Link?Do transactional emails need an unsubscribe link? True transactional mail does not, but most app email is not purely transactional. Here is where the line is.