zod2 min read
Zod — Runtime Type Validation for TypeScript
Master Zod for runtime type validation. Schemas, error handling, and type inference.
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Validation
5 articles
validation8 min read
AI Output Validation — Schema Checking, Business Rules, and Safety Nets
Validate LLM outputs against schemas, business rules, and semantic constraints with automated retry and fallback mechanisms.
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zod8 min read
Zod for Runtime Validation — Parsing Untrusted Data at Every Boundary
Master Zod for runtime validation of untrusted input. Learn schema patterns, parse vs safeParse, transformations, discriminated unions, environment validation, middleware, and API error formatting.
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zod8 min read
Zod v4 — What Changed and Why It Matters for Backend Validation
Zod v4 brings 20x performance improvements, `z.file()` validation, and `z.pipe()` for composable transforms. Learn what changed from v3 and how to migrate.
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dsa3 min read
Remove Invalid Parentheses and Expression Parsing
Remove minimum invalid parentheses to produce all valid results. BFS approach for minimum removals, DFS for complete enumeration.
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