Articles
In-depth articles on AI, web development, cloud native, and indie hacking.
When multiple agents concurrently modify shared plans, preferences, or conclusions, simple last-write-wins handling loses facts. This article uses versioned commands, per-key ordering, and field-level merge policies to control concurrency.
Which backend should receive an incoming request? The load balancer's strategy decides. This article explains L4 (network layer) vs. L7 (application layer), when to use round robin, weighted, least connections, IP hash, and consistent hashing, health checks and session persistence, and how to choose among Nginx, ALB, and Envoy.
When multiple Agents compete for the same work, a TTL-based claim helps with reclamation but cannot stop an old executor from committing late. This article uses monotonic fencing, attempt identity, and side-effect records to establish provable task ownership.
API keys, database passwords, and JWT secrets become time bombs when hard-coded. This guide covers .env files for development, environment variables for Docker, production services such as HashiCorp Vault and AWS Secrets Manager, rotation and auditing, and incident response after a leak.
When Agents wait on one another for results, locks, approvals, or capacity, per-task timeouts merely prolong deadlocks. This article builds a versioned wait graph, detects strongly connected cycles, and releases resources through verifiable cancellation convergence.
Bundle everything into one JS file and make users download several MB before first paint? Split code by route or component into small chunks and load them only when needed. Learn React.lazy + Suspense, Next.js automatic splitting, route- vs component-level splitting, preloading, and why too many chunks can be slower.
Multiplying a USD price by a live exchange rate and retaining two decimal places creates unexplained discrepancies for zero-decimal currencies, provider-specific exponents, refunds, and settlement conversion. This article versions price books, FX quotes, and rounding points, then reconciles presentment, charge, and settlement currencies.
Not sure why a query is slow? EXPLAIN ANALYZE is PostgreSQL's X-ray machine, showing how SQL actually runs. Learn to read Seq Scan, Index Scan, Hash Join, and Nested Loop nodes, distinguish cost from actual time, spot estimate errors, full-table scans, and disk spills, and optimize from evidence.
Dynamically loading multiple LoRA adapters onto one base model saves GPU capacity but introduces artifact substitution, cache contamination, and cross-tenant mix-up risks. This article designs trusted registration, resource limits, batching isolation, and per-adapter rollback.
Major foundation models now support images natively, turning image understanding from a toy into a product capability. This article explains Vision strengths, typical use cases (document parsing, support, moderation, accessibility), and engineering essentials: image token costs, preprocessing, prompt design, limitations, and pitfalls, so you can decide when
A platform-wide KMS key proves only that data is encrypted; it cannot prevent cross-tenant substitution or unintended decryption. This article designs tenant key hierarchies, context binding, caching, and recovery validation.
A high Lighthouse score does not guarantee a fast user experience. This article explains the gap between simulated lab data and real-user field data, why field results are authoritative, how to collect them with CrUX, the web-vitals library, and RUM, and when to use each data source.