Understand working files, staging and commits
Git & collaboration · Shared foundation workshop · Create an inspectable local change history without publishing anything.
Explore & practiseThe practice & career studioTurn what you know
Turn what you know
into work you can explain.
Investigate a mistake. Solve a small challenge. Build a case you can defend. Original resources that help you move from reading to doing.
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0018 resources
Shared foundations
Git, command line, APIs, testing, security and AI contracts.
Use branches and review boundaries
Git & collaboration · Shared foundation workshop · Explain a branch, review a change and merge only the intended work.
Explore & practiseRecover a change without rewriting shared history
Git & collaboration · Shared foundation workshop · Distinguish a new reversing commit from discarding working edits.
Explore & practiseNavigate paths and preserve source files
Command line & Linux · Shared foundation workshop · Reason about working directories, relative paths and reproducibility.
Explore & practiseRead process outcomes and useful logs
Command line & Linux · Shared foundation workshop · Distinguish successful execution from successful analysis.
Explore & practiseSeparate DNS, transport and application failures
Command line & Linux · Shared foundation workshop · Use a layered troubleshooting explanation without probing live systems.
Explore & practiseValidate an API response before analysis
HTTP, JSON & API contracts · Shared foundation workshop · Separate transport success from a valid response contract.
Explore & practisePlan bounded retries and idempotency
HTTP, JSON & API contracts · Shared foundation workshop · Identify which failures can safely be retried and which need a decision.
Explore & practiseDocument a minimal service contract
HTTP, JSON & API contracts · Shared foundation workshop · Describe inputs, outputs, limits and failure behavior clearly.
Explore & practiseTest behavior with a known control
Testing & reproducibility · Shared foundation workshop · Write a test whose failure would change your confidence in the result.
Explore & practiseUse failures to challenge assumptions
Testing & reproducibility · Shared foundation workshop · Make rejected inputs and failure messages part of the evidence.
Explore & practiseCreate an evidence-based README
Testing & reproducibility · Shared foundation workshop · Let another learner reproduce the result and understand its limits.
Explore & practiseEnforce ownership on every private operation
Defensive secure development · Shared foundation workshop · Distinguish identity from permission to access a particular record.
Explore & practiseSeparate CSRF checks from output escaping
Defensive secure development · Shared foundation workshop · Explain two different web boundaries using local examples.
Explore & practiseHandle secrets, dependencies and incidents responsibly
Defensive secure development · Shared foundation workshop · Write a controlled response without exposing more data.
Explore & practiseValidate structured extraction without assuming AI
Applied AI contracts · Shared foundation workshop · Use a deterministic baseline and reject ambiguous outputs.
Explore & practiseBound tool actions and untrusted instructions
Applied AI contracts · Shared foundation workshop · Keep source documents and model suggestions outside application authority.
Explore & practiseEvaluate evidence, abstention and operating limits
Applied AI contracts · Shared foundation workshop · Create an honest evaluation record for a mock assistant contract.
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