Articles
In-depth articles on AI, web development, cloud native, and indie hacking.
GPU capacity cannot be derived directly from request counts. This guide builds a load-testable, reviewable inference capacity model using input and output token distributions, concurrent sequences, KV Cache, batching efficiency, and failure redundancy.
Server Actions let you write server-side functions directly in components and call them from the frontend like async functions, without API routes. Learn how they work, what 'use server' means, progressive-enhancement form patterns, revalidation, security boundaries, and when to use Route Handlers.
Clicking “Modify” does not automatically make an AI decision safe. This article binds the original machine recommendation, operator qualifications, override rationale, actual effect, and subsequent outcome into an immutable record while enforcing baselines that humans cannot bypass.
Are queries and maintenance slowing down on a table with hundreds of millions of rows? Partitioning splits it into smaller pieces, scans only relevant partitions, and removes old data quickly. This guide covers RANGE, LIST, and HASH partitioning, setup and maintenance, partition pruning, and when to partition by time or category.
Reusing an Idempotency-Key does not mean the requests are identical, and caching one response cannot prevent concurrent double writes. This article defines a contract for operation identity, canonical payload fingerprints, atomic reservation, result replay, and reconciliation of unknown side effects.
Want to send push notifications to web users without an app? The Web Push API, Service Workers, and push services make it possible. This article explains the full flow (subscription → server push → SW display), VAPID keys, notification permissions and UX, and support in iOS Safari 16.4+.
Human review is more than adding a confirmation button. This article designs risk-based routing, evidence packages, queue priorities, SLAs, and feedback loops so Agents remain controllable on high-risk tasks without sacrificing low-risk automation efficiency.
"99.9% availability" is not a slogan. SLOs and error budgets should drive engineering decisions. This article explains the relationship between SLIs, SLOs, and SLAs, how to calculate and use error budgets, and how to manage reliability with data rather than intuition.
Writing offline drafts to IndexedDB does not guarantee reliable persistence. This article addresses multiple tabs, crashes, and storage eviction with the versionchange protocol, atomic schema upgrades, batched backfills, a transactional outbox, and idempotent recovery.
Users in Asia, servers in the US, and 300 ms of latency? CDNs cache static assets, while Edge Functions run logic at the edge so requests are handled nearby. This article explains CDN caching, Edge Functions (Cloudflare Workers/Vercel Edge), when to move logic from the origin to the edge, and the limits of doing so.
Fixed seeds can still produce different outputs because of GPUs, kernels, batching, and floating-point reduction order. This article defines tiered reproducibility targets, complete environment snapshots, token-level replay, and cross-platform equivalence thresholds.
ORMs are convenient but may generate bad SQL; raw SQL is flexible but boilerplate-heavy. This article objectively compares the philosophies and fit of Prisma/Drizzle/Kysely/raw SQL: type safety, migrations, N+1, performance, and learning curve, with an opinionated "which project should use which" conclusion.