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Concise, original guide on how to define a function in Python: syntax with def, parameters, keyword/default arguments, return, main(), and examples.
Comprehensive, original guide to python operators: arithmetic, unary, floor division, modulo, exponentiation, operator precedence (PEMDAS), and compound assignment with examples for Python 3.
A practical guide and examples demonstrating python multiprocessing example: cpu_count, Process, Queue, Lock, Pool, and best practices for parallel processing.
Clear, original guide explaining javascript variable scope: global vs local, block scope, hoisting, scope chain, with/catch nuances, and best practices for let/const and avoiding globals.
Concise guide to javascript objects: what they are, how to create and modify them, access patterns (dot vs bracket), deleting properties, looping with for...in and Object.keys(), and examples.
Guide covering how to replace all occurrences of a string in JavaScript using replace, replaceAll, regex /g, RegExp constructor, split/join, and escaping special characters.
Guide to python hex(): usage, examples, __index__ support, negative numbers, and alternatives (format(), f-strings).
Concise guide to JavaScript trim(): how String.prototype.trim works, examples for trim(), trimStart(), trimEnd(), what characters are removed, regex alternatives, and compatibility tips.
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