🧒 Explain like I'm 5
Imagine you have one hour to build a LEGO house. First, you decide what kind of house you want. Then, you plan how to build it, gather the pieces, and start building. Finally, you check if it looks good and answer any questions about it.
Interactive quiz
Check your understanding with an instant-feedback quick check.
Detailed notes
Senior-level deep dive: internals, pitfalls, and a self-interview ladder.
Practice with AI feedback
Answer out loud, get scored on correctness, depth, and clarity.