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AI-assisted engineering Working with AI Agents System design Core systems Data and AI systems Coding Coding problems Code review On-call SQL

Practice

Paths Concept guides

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Concept guides/Correctness review/Errors a client can actually act on

CodingCorrectness review

Errors a client can actually act on

Hard7 min read

Questions it teaches

Notification stops on first failureMedium18 min Partial failure in parallel writesMedium18 min Partial failures silently ignoredMedium16 min Partial failure in multi-writeHard30 min Dual write consistencyHard35 min Cache miss on errorHard30 min Bulk create partial failureHard25 min Provision fails without rollbackHard18 min

Related

Correctness review Arrays and strings Error handling Performance review Security review Reviewing AI code Concurrency

Builds on: Arrays and strings

Arrays & in-place tricks3 min Hash maps & sets3 min

Leads to: Error handling

Error handling & resilience3 min Blocking accept with no timeout4 min

Leads to: Performance review

Performance bugs3 min SQL query performance4 min

Leads to: Security review

Security vulnerabilities3 min Hardcoded secrets3 min

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