~/me/den/learning

Dojo

Eight self-contained courses. Each one: lessons with real code, a decision table per topic, common mistakes, a per-topic quiz and a timed mock test. Everything runs from the file system - no server, no network.

108 topics712 questionsProgress saved per course in this browser
Engineering

DSA Dojo 16

Data structures and algorithms from complexity analysis to dynamic programming, with Python and JavaScript implementations.

16 topics98 questions~214 min

Next 16 Dojo 14

App Router as the framework wants it used: Server Components, Cache Components, streaming, Server Functions, proxy.ts and the 15 to 16 migration.

14 topics87 questions~187 min

Nest 11 Dojo 15

Modules and DI, the request lifecycle, validation, guards, interceptors, filters, TypeORM discipline and the v10 to v11 changes.

15 topics95 questions~195 min

nginx Dojo 12

Config contexts, location matching, reverse proxying, upstreams and keepalive, TLS, caching, rate limits, debugging and hardening.

12 topics77 questions~150 min
Clouds

AWS Dojo 13

Accounts and IAM, EC2 and VPC, S3, databases, containers and serverless, observability, cost, IaC and reliability.

13 topics90 questions~177 min

GCP Dojo 13

Resource hierarchy, workload identity, Compute Engine, global VPC, Cloud Run and GKE, logging, cost and gcloud discipline.

13 topics91 questions~170 min

Azure Dojo 13

Scopes and policy, Entra and managed identity, VNets and private endpoints, containers, KQL, cost, Bicep and operations.

13 topics91 questions~169 min

OCI Dojo 12

Compartments and policies, shapes and capacity, VCN gateways and the host firewall, Always Free realities, Vault and Bastion.

12 topics83 questions~149 min
Each course keeps its own progress in browser storage. Curriculum lives in each folder's data.js - add topics or questions there and reload.