Cheatsheets
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Quick reference guide for modern JavaScript (ES6+), async patterns, DOM manipulation, and essential web APIs.
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Quick reference guide for modern TypeScript (TS 5.x), covering types, interfaces, classes, generics, utility types, and advanced type patterns.
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Quick reference guide for modern Python (3.10+), covering core syntax, data structures, OOP, file handling, and idiomatic Pythonic patterns.
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Quick reference for JavaScript array methods.
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Comprehensive reference for Git basic commands, branching, merging, rebasing, stashing, cherry-picking, resets, reflog recovery, and GitHub Flow.
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Comprehensive reference for Docker, Docker Compose, Kubernetes kubectl, Helm, Terraform, GitHub Actions, and CI/CD basics.
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Comprehensive reference for Linux file commands, process management, networking, permissions, grep, sed, awk, find, tar, curl, and wget.
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Comprehensive reference for Rust syntax, ownership, borrowing, structs, enums, error handling, traits, smart pointers, and Cargo.
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Comprehensive reference for Go (Golang) variables, slices, maps, pointers, structs, interfaces, concurrency (Goroutines/Channels), error handling, and CLI.
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Comprehensive reference for Markdown basic syntax, tables, task lists, syntax-highlighted code blocks, and GitHub Flavored Markdown (GFM).
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Comprehensive reference for React Hooks (v18+), including useState, useEffect, useContext, useRef, useMemo, useCallback, useReducer, and custom hooks.
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Comprehensive reference for CSS Flexible Box Layout (Flexbox), covering flex container properties, flex item properties, and common layout patterns.
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Comprehensive reference for CSS Grid Layout, covering grid container properties, grid item placement, and responsive layout patterns.
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Comprehensive reference for HTML5 tags, structural layout, forms, media embeds, tables, and global attributes.
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Comprehensive reference for HTTP response status codes, categorized by 1xx, 2xx, 3xx, 4xx, and 5xx classes.
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Comprehensive reference for regular expressions (Regex), covering character classes, anchors, quantifiers, lookarounds, flags, and common pattern examples.
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Comprehensive reference for SQL queries (DQL), manipulations (DML), definitions (DDL), JOINs, aggregations, transactions, and indexing.
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Comprehensive reference for essential Windows keyboard shortcuts, desktop navigation, window snapping, virtual desktops, and File Explorer.
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Comprehensive reference for essential macOS keyboard shortcuts, Spotlight, Mission Control, Finder navigation, and keyboard symbols.
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Comprehensive reference for essential web browser keyboard shortcuts, covering tab management, navigation, address bar features, zoom, and developer tools across Chrome, Safari, Edge, and Firefox.
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Comprehensive reference for Kubernetes kubectl commands, covering context management, namespace operations, pods, deployments, services, secrets, debugging, scaling, and cluster administration.
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