A clear walkthrough of how traceroute works under the hood. It explains the TTL trick, the ICMP replies routers send back, and even rebuilds the core idea in Rust. Read more
We’ve shipped several improvements to the Oh Dear API to make it work better with AI coding agents. The updates include historical check runs, dashboard links in every response, and markdown-friendly documentation. Read more
A mobile pass is that thing in your iPhone’s Wallet app. A boarding pass, a concert ticket, a coffee loyalty card, a gym membership. Apple calls them passes. Google calls them objects. Both Wallet apps Read more…