... with what I'd actually be asked hooks gotchas, state management bugs, re-render performance, compound components. ReactGrind has 25+ hand-crafted problems list (and growing) that mirror real interview and real-world scenarios things like building a debounced search, a virtualized table, a wizard-style form state machine, and a realtime kanban board. Everything runs and tests in-browser, no setup. Would love feedback on which problem categories to add next. Happy to answer anything ...

... ShadowLoop AI is a lightweight, single-file Python daemon that completely automates that cycle in the background. ### What it does: 1. Self-Healing Loop: The second you save a file, it catches the event, applies a smart 2-second debounce, and fires your test suite (`pytest`, `unittest`, custom scripts). If things break, it surfaces the exact error trace instantly so you can fix it. 2. Automated Version Control: The exact moment your tests pass, it automatically runs ...

... open  one to load messages back into the timeline, start a  New chat  for a fresh session (other threads stay on disk), and  delete  old threads you no longer need. Saves are  debounced  so typing feels smooth without hammering storage on every keystroke. How to use it:  Open  chat history  from the  assistant header  (see also our history popover doc for search and recency grouping). Pick a thread ... ... IndexedDB is where  your thread list and messages live on this device  so you can browse and resume without treating the browser like a disposable tab. Doc:  https://kahana.io/docs/chat-hist... Related:  https://kahana.io/docs/chat-hist... Cloud vs