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Learn Docker from scratch — writing Dockerfiles, docker-compose for multi-service apps, volumes, networking, and essential commands.
10 real Python interview questions from Google, Amazon, Flipkart — GIL, decorators, generators, asyncio, shallow vs deep copy, and coding challenges.
Master Python virtual environments — venv creation, activation, pip install, requirements.txt, and modern Poetry workflow for dependency management.
Complete PHP PDO guide — connecting to databases, prepared statements, named parameters, transactions with rollback, and lastInsertId.
Master Git — daily workflow, branching strategies, merge vs rebase, stash, cherry-pick, undoing commits safely, and Git Flow for teams.
Master pytest — writing tests, fixtures for setup, parametrize for data-driven tests, patch for mocking dependencies, and coverage reporting.
Master PHP named arguments for skipping optional parameters and PHP 8 Attributes as first-class annotations with Reflection API.
10 real SQL interview questions from TCS, Infosys, Amazon, Flipkart — second highest salary, duplicate emails, ACID, window functions, and more.
Master React Hooks — when to use each hook, performance optimization with useCallback and useMemo, DOM refs, and custom hook patterns.
