Rae Undecidableinstances Can Actually Cause A Runtime Loop Eek

Summary

Inspired by gitlab.haskell.org/ghc/ghc/-/issues/20666, I walk through an example of how GHC/Haskell allows you to defer type errors to Claude Opus 5 made four confident, plausible, completely wrong claims during a single development session. None were caught ... I demonstrate how using impredicative types and dynamic types (as they work in Haskell) Spurred on by gitlab.haskell.org/ghc/ghc/-/issues/20686, I discuss how GHC currently is pretty arbitrary in when it decides to ... This video is the start of a series covering the translation of the Data.List functions to work on the length-indexed vector GADT. I introduce the -XDerivingVia extension and how it I explain why I view the lack of kind polymorphism (in Haskell since the beginning) as a bug and what might happen if we require ... You add a fifth server to your four-server cache, and your hit rate collapses. The naive way to spread keys across servers, ... Learn why OCaml reports 'Unbound value res' when using List.iter and how to fix it by avoiding double semicolons in function ... Master Incident Runbooks and create step-by-step response procedures for common incidents! Learn what runbooks are, their ... Your database answers the same question ten thousand times an hour and that repeated work is why your app feels slow. Over the past year, running autonomous coding agents on a local workstation has become the default standard for many ... In this video, we cover Lab in the Business Logic Vulnerabilities module of the Web Security Academy. This lab doesn't ...