#performance (2)

Cheat sheets (2)

Big-O — Complexity Cheat Sheet for Data Structures and Algorithms

A practical Big-O reference — common data structures, algorithms, amortized analysis, space vs time, and language-specific gotchas for Python, JavaScript, and TypeScript.

big-o complexity algorithms data-structures performance asymptotic-analysis

Code Review — Checklists, Heuristics, and PR Etiquette

A practical guide to reviewing and authoring pull requests — small PRs, naming, control flow, error paths, security, performance, and GitHub PR conventions.

code-review pr github pull-request naming security performance etiquette

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