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Lessons (40)

• What to Learn in AI, and in What Order

  A practical map from programming and data basics through machine learning, deep learning, LLM applications, evaluation, and production …

• Neural Networks and Deep Learning

  Understand layers, activations, loss, gradient descent, embeddings, and when deep learning is a good fit. The big idea …

• Machine Learning Fundamentals

  Learn how models use examples to make predictions, and how supervised, unsupervised, and reinforcement learning differ. The big …

• What Is Artificial Intelligence? A Developer's Guide

  Understand AI, machine learning, deep learning, and generative AI through everyday examples and concrete software decisions. Start with …

• Developer Learning Plan and Document-Assistant Capstone

  … Existing web developers can reuse API, authentication, testing, and deployment skills. Stage Learn Build Completion evidence --- --- --- --- Week 1 …

• Train Your First Model from Scratch

  … We will learn a slope and intercept for minutes = slope × distance + intercept . This small synthetic dataset demonstrates the …

• AI Specialties and Real-World Examples

  Explore vision, language, speech, recommendations, anomaly detection, forecasting, reinforcement learning, and generative systems. Choose a branch by its …

• Transformers and Large Language Models

  … Modern models stack attention and feed-forward layers, with learned parameters shaped by training. Training stages - Pretraining: learn …

• Terraform: Start Here

  Understand infrastructure as code, the plan/apply workflow, and the learning path from local experiments to team operations …

• Choosing a Programming Language

  … Types, Errors & Concurrency A learning path that works for any language mermaid flowchart LR A["1. Values, types …

• Clean Architecture

  … The [Software Architecture](/learn/software-architecture) topic covers [Clean Architecture in depth](/learn/software-architecture/clean-architecture), [Hexagonal …

• AWS: Start Here

  … ECS, EC2, or Lambda] A -- D[RDS or DynamoDB] A -- S[S3 files] Need AWS service to learn …

• React vs Vue vs Angular

  … friendly, gentle learning curve, official router and state library included. - Angular 🏢 = a fully furnished office : everything built in …

• Providers and Your First AWS Resources

  … Never paste access keys into provider blocks. bash export AWS PROFILE=learning aws sso login --profile learning aws …

• What Are Design Patterns?

  … Meet the three families and learn how to use patterns without overusing them. The big idea Architects don …

• Concurrency, Resilience & Distributed Workflows

  … Sagas & the Outbox Pattern](/learn/microservices/data-sagas-and-outbox) and [CQRS & Event Sourcing](/learn/microservices/cqrs-and …

• Which Pattern Do I Need?

  … top 8 to learn first If you only have time for a few, learn these. They cover most …

• Pods: Where Your App Actually Runs

  … This is useful for learning, but do not use a bare pod for a real app. If it …

• Python and Math Foundations with Runnable Examples

  … file and run it with python3 filename.py . Learn functions, lists, dictionaries, files, exceptions, and basic tests first …

• Safe AWS Deployments with IaC and CI/CD

  … Continue with the [Terraform learning path](/learn/terraform) for a detailed plan/apply workflow. Further reading: [CloudFormation change …

• Services and Ingress: Let Traffic Find Your App

  Pods change, but your app address should not. Learn Services for internal traffic and Ingress for web traffic …

• Backend Languages: Node.js, Go, Python & Rust

  … Performance-critical systems, low latency, low memory Steep learning curve, slower compile times The same API in all …

• Finding Service Boundaries with DDD

  … For the full picture, see [DDD strategic design](/learn/software-architecture/ddd-strategic-design) and [DDD tactical patterns …

• KISS: Keep It Simple, Stupid

  … solution that works is usually the best one. Learn to spot over-engineering and choose boring, obvious code …

• AWS Messaging: Queues, Topics and Events

  … a standard queue named academy-receipts in your learning Region. Use AWS CLI v2 and an authorized profile …

• IAM: Who Can Do What

  … Attach this policy through your authorized role-management process; do not assume your learner identity can edit IAM …

• EC2, Storage and Auto Scaling

  … Use a learning account and delete the instance and remaining storage afterward. In the EC2 launch flow: 1 …

• Code Smells & Refactoring

  … Investigate before changing. - Refactoring changes structure, never behaviour, and needs tests. - Learn the top smells: long function, large …

• State Management (Redux, Zustand, TanStack Query)

  Where should data live in a frontend app? Learn the four kinds of state, when local state is …

• REST vs GraphQL vs gRPC

  … See how each works, compare them side by side, and learn which to pick for public APIs, mobile …

• Embeddings, Semantic Search, and RAG

  … The model can then answer using supplied evidence instead of relying only on what it learned during training …

• CloudWatch: Know What Your App Is Doing

  … A possible learning alarm is “server-error rate above 5% for two five-minute periods,” but choose production …

• Secrets, Ephemeral Values, and Least Privilege

  … A runner with access to production state may learn secrets even if its cloud resource permissions are limited …

• Design an E-Commerce Checkout

  … The system may show "processing" while it learns the final payment outcome; it must not guess and charge …

• S — Single Responsibility Principle

  … module should have only one reason to change. Learn to find the hidden responsibilities in a class and …

• Kubernetes: Start Here

  … what I asked for” with “what exists.” Next, learn where these pieces live: the cluster, its servers, and …

• YAGNI: You Aren't Gonna Need It

  … features or flexibility until you actually need them. Learn why guessing the future is expensive and how to …

• DRY: Don't Repeat Yourself

  … piece of knowledge should live in one place. Learn when to remove duplication, and when duplication is actually …

• Kubernetes Cluster Architecture, Simply

  Learn the cluster as a small team: the control plane decides, worker nodes run apps, and kubectl is …

• Meaningful Names

  Names are the cheapest documentation you have. Learn simple rules for naming variables, functions and classes so code …