Nest

Daily drill

Today's Session

The 20-minute loop, assembled for you: the cards spaced repetition says you're about to forget, plus a coding and a system-design prompt. Finish it daily and keep the streak alive.

0 days
current streak · best 0
144 cards due · today's set: 12 cards + 2 prompts

Today's cards — grade each by confidence

Known today 0
LevelShowing 12
Grade a card → it reschedules. Drill Due daily.

Today's prompts — try before you reveal

Solved today 0
Level
  1. CodeMid

    Paginated REST endpoint with validation + auth

    NestJSvalidationguards

    Build GET /users?page=1&limit=20 that is JWT-protected, validates query params, and returns a paginated result. Show the controller, the query DTO, and how the guard/pipe are wired.

    next: new
  2. DesignArchitect

    Design a multi-tenant SaaS API

    architecturemulti-tenancy

    Design the backend for a B2B SaaS where each tenant's data must be isolated. Cover the isolation model, tenant resolution, and how you prevent cross-tenant leakage.

    next: new