nodejs
pgvector: Vector Search in PostgreSQL
Complete guide to pgvector for vector search in PostgreSQL including setup, indexing, distance functions, and optimizati...
Embedding Performance Benchmarking
Benchmark embedding models with retrieval metrics (recall, MRR, nDCG), latency testing, and automated comparison pipelin...
Cost-Effective Embedding Strategies at Scale
Reduce embedding costs at scale with batching, caching, incremental updates, and budget tracking in Node.js....
Multi-Modal Embeddings: Text, Images, and Code
Build multi-modal search with text, image, and code embeddings in a unified vector store using pgvector and Node.js....
Fine-Tuning Embedding Models for Domain-Specific Search
Fine-tune embedding models for domain-specific search with training data preparation, evaluation metrics, and re-indexin...
Hybrid Search: Combining Full-Text and Vector Search
Build hybrid search combining PostgreSQL full-text and pgvector semantic search with Reciprocal Rank Fusion in Node.js....
Similarity Search Optimization Techniques
Optimize similarity search with ANN indexes, parameter tuning, dimensionality reduction, and scaling strategies for pgve...
Document Chunking Strategies for RAG
Master document chunking for RAG with fixed, sentence, paragraph, and semantic strategies plus metadata preservation in ...
Semantic Search Implementation from Scratch
Build a semantic search engine from scratch with embeddings, pgvector, ranking, and an Express.js API in Node.js....
Embedding Model Comparison: OpenAI vs Cohere vs Open Source
Compare embedding models from OpenAI, Cohere, and open-source options with benchmarks, cost analysis, and a Node.js test...
Vector Database Selection Guide for Node.js Developers
Compare vector databases for Node.js including pgvector, Pinecone, Weaviate, and Qdrant with benchmarks and selection cr...
Agent Testing: Simulation and Replay
Test AI agents with execution recording, deterministic replay, simulated tools, property-based testing, and regression d...
Building Agent APIs with Express.js
Build REST APIs for AI agents with Express.js including session management, SSE streaming, authentication, and rate limi...
Agent Sandboxing and Security
Secure AI agents with process sandboxing, resource limits, permission systems, and audit logging in Node.js....
Workflow Agents for Business Process Automation
Build workflow agents that automate business processes with LLM-powered classification, routing, and multi-step executio...
Code Generation Agents: Architecture and Implementation
Build code generation agents with sandbox execution, test-driven generation, iterative refinement, and git integration i...
Building a Research Agent with Web Search
Build a research agent that searches the web, reads sources, synthesizes findings, and produces cited reports in Node.js...
Observability for AI Agent Systems
Build observability for AI agents with structured logging, OpenTelemetry tracing, metrics collection, and dashboards in ...
Agent State Persistence with PostgreSQL
Persist AI agent state with PostgreSQL including session management, checkpointing, execution traces, and resume capabil...
Error Recovery Patterns in AI Agents
Build resilient AI agents with checkpoint/resume, automatic retry, rollback, self-healing, and supervision patterns in N...
