Cheatsheets
Study Cheatsheets
Printable, backlinkable one-pagers for high-yield topics.
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Python Syntax Cheatsheet
Complete Python syntax reference: control flow, data structures, comprehensions, functions, classes, and modern features (walrus, match, type hints). Bookmark-worthy.
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React Hooks Cheatsheet
Complete React hooks reference: useState, useEffect, useMemo, useCallback, useRef, useContext, plus new hooks (use, useOptimistic, useTransition). With real examples.
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Modern JavaScript Cheatsheet
Modern JavaScript reference: destructuring, optional chaining, nullish coalescing, top-level await, class fields, private methods, and more.
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TypeScript Cheatsheet
TypeScript reference: basic types, generics, utility types (Partial, Pick, Omit, Record), conditional types, template literals.
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Git Cheatsheet
Git reference: init, clone, branch, merge, rebase, cherry-pick, stash, reflog, and the commands that save you when things break.
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SQL Cheatsheet
SQL reference: SELECT, JOIN, GROUP BY, window functions, CTEs, and the queries you need for real data work.
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CSS Cheatsheet
CSS reference: flexbox, grid, selectors, custom properties, container queries, cascade layers, and the modern features you use daily.
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Docker Cheatsheet
Docker reference: build, run, exec, compose, and Dockerfile syntax. The commands you actually type when shipping containers.
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