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Browse topicsLatest recipes
Fresh code solutions added to the knowledge base.
Design a Scalable API Gateway for Microservices
Build an API gateway that routes requests, handles authentication, rate limiting, caching, and protocol translation between clients and backend microservices.
Design Event-Driven Systems with Event Buses and Brokers
How to build loosely coupled systems using events, event buses, message brokers, and event sourcing for growth-ready asynchronous communication between services.
Manage Distributed Transactions with the Saga Pattern
How to implement saga orchestration and choreography to maintain data consistency across microservices without distributed transactions or two-phase commit.
Latest guides
In-depth engineering guides connecting recipes and patterns.
Vector Databases in Practice: Embeddings & Similarity Search
Build your first vector search pipeline: embeddings, ANN indexes, similarity search with pgvector and Chroma, and how to choose a vector database.
Software Testing Strategy Guide
A practical guide to building a layered testing strategy with unit, integration, and end-to-end tests.
SQL Window Functions — Complete Guide
A practical guide to SQL window functions: ROW_NUMBER, RANK, DENSE_RANK, LEAD, LAG, SUM, AVG over partitions, and real-world analytics use cases.