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Lessons (9)

• C4 Architecture Diagrams: Context, Container, Component and Code

  … Avoid a Level 4 diagram for every class. A stale class diagram is worse than no diagram because …

• What Is Software Architecture?

  … The history of why is the valuable part. Architecture diagrams: the C4 model The C4 model (Simon Brown …

• IAM Deep Dive: Policy Evaluation, STS and Cross-Account Access

  … The diagram summarizes a common identity-policy path, not every resource-policy case. Applicable controls and principal type …

• Kubernetes: Start Here

  … keep 2 pods] -.manages.- P1 D -.manages.- P2 You do not need to memorize this diagram. Read it …

• Kubernetes Cluster Architecture, Simply

  … Knowing their jobs helps when you read errors or diagrams. Name Plain-English job --- --- API server The front …

• Two Pointers & Sliding Window

  … Learn them with animated-style diagrams and classic interview examples. Two Pointers The big idea Two people searching …

• Behavioral Patterns I: Observer, Strategy, Command, State

  The four behavioral patterns you'll use most, explained with everyday analogies, diagrams and practical JavaScript. Why behavioral …

• Resilience, Disaster Recovery and Multi-Region Design

  … A DR diagram without timed evidence remains a hypothesis. Remember this - Set RTO and RPO per workload; pick …

• AWS: Start Here

  … Why does an unsigned browser request fail? Networking Diagram of a two-AZ application Which routes and rules …