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Generate Clients from OpenAPI and Stop Hand-Writing Fetch Wrappers
Turn your OpenAPI document into typed clients: pick a generator, wire it into CI so drift fails the build, and handle auth, errors, and versioning without hand-written wrappers.
Prometheus Metrics That Don't Explode: Cardinality, Naming, and the Queries You'll Actually Run
Design Prometheus metrics that stay queryable under load: naming, label discipline, histograms, and the PromQL for errors, latency, and saturation.
Prompt Injection Is a Data Problem: Defending LLM Features in Production
Prompt injection works because models cannot tell instructions from data. Defend in depth: separate the two, constrain tools, validate actions, and assume breach.
Rewriting a Quickstart Live: From Feature Tour to First Success in Five Steps
A step-by-step rewrite method that turns a feature-tour quickstart into a task-first guide ending in a verifiable first success.
Evaluate a RAG Pipeline Before Your Users Do
Build a repeatable evaluation harness for your retrieval-augmented generation pipeline: golden datasets, retrieval metrics, faithfulness checks, and CI gates.
The README Is Your Landing Page: Structure for Open-Source Projects That Want Contributors
How to structure a README that converts a curious visitor into a running install, then into a first contribution.
API Errors Worth Reading: Adopting RFC 9457 Problem Details
Replace ad-hoc error JSON with RFC 9457 problem details: a standard envelope, extension members for validation, and a migration path that keeps old clients working.
Schema Evolution Without Breaking Consumers: Avro, Protobuf, and Compatibility Modes
A practical guide to evolving Avro and Protobuf schemas safely with compatibility modes, registries, and expand-and-contract deployments.
SLOs and Error Budgets a Small Team Can Actually Run
Build a lean SLO practice for a small team: pick few user-facing SLIs, set defensible targets, add burn-rate alerts, and enforce an error budget policy.
Streaming LLM Responses End to End: Tokens, Backpressure, and Honest Loading States
Build production-ready token streaming with SSE, ReadableStream, backpressure, aborts, and loading states that tell the truth.
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