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XML notes for developers

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

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01 · XML

XML Fundamentals: Elements, Attributes & Well-Formedness

XML: Elements, Attributes & Well-Formedness. XML (eXtensible Markup Language) is a text-based markup language for structured data. Unlike HTML's fixed tag set, XML is extensible -- authors define their own tag names and …

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02 · XML

XML: Namespaces, XPath, XSLT & Where It's Still Used

XML: Namespaces, XPath, XSLT & Where It's Still Used. Namespaces: Avoiding Tag Collisions. <library xmlns:book="http://example.com/book" xmlns:movie="http://example.com/movie"> <book:title>Dune</book:title> <movie:title>…

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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…

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 //…

Mar 3, 2026

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