I reviewed 20 system design courses; here are the top 7

August 27, 2026 · Dev.to

Local-First LLM Routing: A Decision Table for Latency, Secrets, and Offline Mode
A field-service team learns the hard way A field-service team built a support chatbot that sent every message to a cloud
Node.js Worker Troubleshooting: Background Queue Retry Exhaustion
A retry loop is an availability problem before it is a queue-setting problem: it can spend all worker slots on work that
Password Reset Email for Property Compliance: Node.js API or SMTP Relay?
Choice Best fit Main trade-off Direct email API A new Express or Next.js reset flow with one server-side integration You
Junior humpback whale dies overnight after it beached itself off Port Kennedy
The Port Kennedy Beach has been closed until further notice, with a shark warning still in place.
US judge declines Minnesota’s effort to force Texas to extradite ICE agent
ICE agent Christian Castro faces criminal charges for shooting a Minnesota man in the leg during an immigration raid.