Debug

Fix the failing tests. Read the report, find the bug, make it green.

0/19 solved

01Debugging Foundations

Core reasoning on small, self-contained programs.

0/5
  • Users REST API — Four Bugseasy
  • Roomba Simulator — Four Bugsmedium
  • Vending Machine — Four Bugseasy
  • Expense Tracker — Five Bugsmedium
  • Elevator Simulator — Five Bugsmedium

02Reading Unfamiliar Libraries

Navigate code you have never seen before.

0/2

03Parsers, Strings & Trees

Grammars, tokenizers, and tree traversals.

0/2
  • Mako Template Engine — Four Bugshard
  • Pygments Syntax Highlighter — Four Bugsmedium

04Web Fundamentals

HTTP, routing, and framework internals.

0/2

05Data, Validation & Dev Tools

Serialization, schemas, and tooling.

0/2
  • cattrs — Structure / Unstructure Dispatch Bugsmedium
  • rich Segment & Cell Splitting — Five Bugshard

06Async & Infrastructure

Event loops, task queues, and schedulers.

0/2
  • NetworkX BFS Shortest Path — Five Bugsmedium
  • NetworkX Dijkstra — Five Bugshard

07APIs & CRUD

Real application backends and data flows.

0/2
  • Posts + Tags Transaction — Five Bugscontainermedium
  • Auth Token Lifecycle — Five Bugscontainermedium

08Deep Domain

Auth, crypto, and specialized subsystems.

0/2
  • PyJWT — Four Bugshard
  • Passlib — Hasher Selection and Hash Format Parsinghard