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July 202611 min read

Building Agents with the Claude Agent SDK

A practitioner's walkthrough of the Claude Agent SDK: the agent loop, tool definitions, subagents, permission modes, and what it actually takes to ship a production coding or ops agent.

July 20269 min read

Semantic Caching for LLMs: Cut Cost on Repeat Questions

Most chatbot traffic is the same handful of questions worded differently. Semantic caching catches those near-duplicates and skips the model call entirely.

July 202610 min read

Document Data Extraction with Multimodal LLMs

How to turn invoices, contracts, and scanned forms into reliable structured data using multimodal LLMs, from prompt design to human-in-the-loop review.

July 20269 min read

Building a Streaming Chatbot with Groq and Next.js

Ship a fast streaming chatbot with the Groq API and Next.js route handlers, covering system prompts, rate limiting, and cost control.

The Transactional Outbox Pattern with PostgreSQL

Backend

July 202610 min read

The Transactional Outbox Pattern with PostgreSQL

Reliably publish domain events without dual-write bugs, using an outbox table, a relay poller, and PostgreSQL's row-level locking.

Saga Pattern in NestJS: Distributed Transactions Without 2PC

Backend

July 202611 min read

Saga Pattern in NestJS: Distributed Transactions Without 2PC

How to coordinate multi-service transactions in NestJS using the saga pattern, orchestration vs choreography, compensating actions, and idempotent step design.

Showing 313–318 of 594 posts

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