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Caching Strategies notes for developers

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

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01 · Caching Strategies

Core Patterns: Aside, Through & Behind

Core Patterns: Aside, Through & Behind Why Cache Caching avoids repeating expensive work — a slow query, a network call, a costly computation — by storing and reusing a previous result. It trades memory/storage and poten…

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02 · Caching Strategies

Invalidation, TTL & Failure Modes

Invalidation, TTL & Failure Modes TTL — Bounding Staleness A TTL expires an entry after a fixed duration regardless of whether the underlying data changed. Longer TTL = better hit rate, less load on the source, more stal…

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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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