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backend
36 postsCache invalidation: solving stale data and stampede problems
An engineering look at TTL, event-based invalidation, versioning and single-flight patterns, and how cache stampede can take down your origin in production.
React Approval Emails Without Effect Loops
Discover why approval flows in React apps cause email issues and how to fix them.
Environments Are Not Features: A Real Sandbox Architecture
One frontend, many environments: how proxy-based routing, identity copying and hard reloads build a real sandbox architecture that holds up.
CommitBrief — AI code reviews, right in your terminal
A provider-agnostic, local-first CLI that reviews your staged changes, a historic range, or a whole GitHub pull request. Zero telemetry, no server. Free and open source.
commitbrief.comWhy You Need a Smoke Test Before Switching LLM Providers
Sending one prompt isn't enough before swapping LLM providers. A 10-minute smoke test covering timeouts, streaming, rate limits, and tool-call retry safety.
Handling Large PDFs in Node.js Without Unbounded Buffering
Learn how to overcome memory issues in Node.js PDF verification with a two-step upload pattern that separates upload from analysis.
Field Notes on Affordable AI APIs in 2026
Engineer notes on affordable AI APIs in 2026. Analyzing costs and use cases of different models.
Syncing Bank Transactions with Open Banking APIs in Production
A production-focused guide to PSD2 open banking sync: consent flows, token refresh, pagination, deduplication, and rate-limit handling with code examples.
Picturesque: Unifying 50+ AI Models Under One Roof
Picturesque unifies 50+ AI models for images, video, audio and music under one credit system, covering the architecture choices and lessons learned along the way.
Supabase's Silent Defaults Caused Four Production Incidents
Four Supabase incidents in one week trace to one cause: silent wrong data, no errors. Three concrete rules to prevent it follow.
What Breaks MCP Servers in Production
A look at real production failures in MCP servers—model-unreadable errors, token rotation logouts, schema key rejections, size limits—and the standard built to fix them.