You have a map of the frozen lake. Every crack in the ice, every slippery patch, every hole is marked. You can sit at your desk and plan the perfect route before stepping foot on the ice. That is value iteration. Now imagine you have no map. You lace up your boots and start walking. You slip, you fall into holes, you backtrack. But each time you learn a little more about which moves pay off and wh
TL;DR. golang.org/x/net/idna.Lookup.ToASCII runs UTS-46 NFKC mapping 0-9. A pre-IDNA net.ParseIP check rejects the NO_PROXY lists, TLS-SNI routers, and cookie-domain validators that TrimRight + ParseAddr golang.org/x/net/http/httpproxy, the canonical safe pattern, and two I ran into this one while writing a Go HTTP client for a private project. I idna.Lookup.ToASCII canonicalising the host The sha
When you have 5 unrelated questions, should you pack them into one message to the LLM, or send 5 requests simultaneously? Which is faster? Splitting into multiple independent parallel requests is almost always faster. This isn't a gut feeling — it's determined by the underlying inference mechanism of LLMs. Let's walk through the reasoning from first principles. To understand this problem, you firs