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Swagger notes for developers

Master Swagger with a curated set of 2 developer notes — core concepts, patterns, and interview prep. Maintained by the DevRecall team.

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01 · Swagger

OpenAPI Documents, Swagger UI & Editor

OpenAPI Documents, Swagger UI & Editor Swagger → OpenAPI "Swagger" was the original name for the tooling; the specification itself is now formally the OpenAPI Specification (OAS). "Swagger" persists as the tooling brand …

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02 · Swagger

Design-First, Codegen & Keeping the Spec Honest

Design-First, Codegen & Keeping the Spec Honest Design-First vs. Code-First Design-first: write the spec before/independent of implementation — an upfront contract teams agree on. Code-first: generate the spec from exist…

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TypeScriptgeneral

Interview Questions

TypeScript Interview Questions Comprehensive TypeScript interview questions covering type system, generics, utility types, and best practices: Fundamentals 1. What is TypeScript? TypeScript is a typed…

Mar 28, 2026

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TypeScriptgeneral

Advanced Types (Generics & Utility Types)

TypeScript Advanced Types Generics // Generic function function identity<T>(arg: T): T { return arg; } const num = identity<number>(42); // Explicit const str = identity('hello'); // Inferred // Gener…

Mar 3, 2026

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