#backend

4 articles

Flow diagram of the Python asyncio event loop running coroutines concurrently

Python asyncio Guide: Thread-Free Concurrency for I/O-Bound Workloads

Learn Python asyncio from scratch: how the event loop works, coroutines, TaskGroup, and a tutorial for building a concurrent HTTP client and scraper with runnable code.

Oct 19, 202614 min read0 reads0 likes

Illustration of a digital certificate connected to the Solana blockchain network

SertiKu: How a Blockchain Certificate Platform Works on Solana

Inside SertiKu's architecture: a digital certificate platform recording certificate hashes on Solana and metadata on IPFS, with QR code verification.

Oct 17, 202612 min read1 reads0 likes

Vector database illustration: data point clusters and database icons in indigo, teal, and amber

pgvector vs Qdrant vs Chroma vs Milvus: Choosing a Vector Database for AI Apps

Compare pgvector, Qdrant, Chroma, and Milvus on architecture, performance, scale, and operational cost — with real-world scenarios to pick the right one.

Oct 17, 202615 min read1 reads0 likes

Cover illustration for the REST API design guide showing devices exchanging data with a server

REST API Design: A Practical Guide to Principles, Patterns, and Examples

Learn how to design consistent, secure, and developer-friendly REST APIs: REST principles, resource naming, HTTP methods, status codes, versioning, pagination, and a real-world case study.

Oct 15, 202619 min read4 reads0 likes