Developer Guides

Searchable command references and cheat sheets. Find any command instantly, copy with one click.

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🌿
Git Commands
Complete Git command reference — from basics to advanced workflows. Searchable, with examples.

136 commands

📝
Vim Commands
Complete Vim/Vi command reference — modes, motions, editing, search, and advanced features.

179 commands

🐳
Docker Commands
Complete Docker & Docker Compose command reference — containers, images, volumes, networks, and orchestration.

121 commands

🔤
Regex Reference
Complete regular expression reference — syntax, patterns, quantifiers, groups, lookaheads, and common recipes.

88 commands

🐧
Linux Commands
Complete Linux/Bash command reference — file management, text processing, networking, system admin, and shell scripting.

204 commands

☸️
Kubernetes Commands
Complete Kubernetes & kubectl command reference — pods, deployments, services, configmaps, and cluster management.

129 commands

🐍
Python Reference
Complete Python reference — syntax, data structures, string methods, file I/O, comprehensions, and common patterns.

163 commands

🗃️
SQL Reference
Complete SQL reference — queries, joins, aggregation, subqueries, indexes, and database management.

137 commands

🌐
Nginx Reference
Complete Nginx configuration reference — server blocks, locations, proxying, SSL, load balancing, and caching.

121 commands

🔐
SSH Commands
Complete SSH reference — connections, key management, tunneling, config, SCP/SFTP, and security hardening.

102 commands

👷
Jenkins Reference
Complete Jenkins reference — pipeline syntax, Jenkinsfile, plugins, CLI, agents, and CI/CD patterns.

137 commands

📨
HTTP Headers Reference
Complete HTTP headers reference — request headers, response headers, caching, security, CORS, and content negotiation. Searchable, with examples.

104 commands

🐘
PostgreSQL Reference
Comprehensive PostgreSQL reference — from connection basics to advanced features like JSONB, full-text search, window functions, and performance tuning.

167 commands

Async Patterns Reference
Multi-language async/concurrency patterns — JavaScript, Python, Go, Rust, Java, and universal concurrency patterns.

98 commands

📡
Protobuf & gRPC Reference
Comprehensive reference for Protocol Buffers (proto3) and gRPC — message definitions, services, streaming, and common patterns.

95 commands

📚
JS Array Methods
Complete JavaScript Array methods reference — creating, searching, transforming, sorting, iterating, and common patterns. Searchable, with examples.

96 commands

🌊
Tailwind CSS Reference
Complete Tailwind CSS reference — layout, spacing, typography, colors, responsive design, states, and common patterns. Searchable, with examples.

208 commands

GraphQL Reference
Complete GraphQL reference — schema definition, types, queries, mutations, directives, fragments, and common patterns. Searchable, with examples.

69 commands

💻
VS Code Shortcuts
Complete VS Code keyboard shortcuts — editing, navigation, search, multi-cursor, terminal, debug, and more. Searchable, with Cmd/Ctrl notation.

120 commands

🔲
CSS Grid Reference
Complete CSS Grid reference — container properties, item placement, grid functions, and common layout patterns. Searchable, with examples.

88 commands

📦
CSS Flexbox Reference
Complete CSS Flexbox reference — container properties, item properties, and common layout patterns. Searchable, with examples.

79 commands

⚛️
React Hooks Reference
Complete React Hooks reference — useState, useEffect, useContext, custom hooks, and common patterns. Searchable, with examples.

81 commands

🔷
TypeScript Reference
Complete TypeScript reference — types, interfaces, generics, utility types, and advanced patterns. Searchable, with examples.

138 commands

☁️
AWS CLI Reference
Complete AWS CLI reference — EC2, S3, IAM, Lambda, ECS, RDS, CloudFormation, and common operations.

159 commands

🐹
Go Reference
Complete Go (Golang) reference — syntax, types, functions, concurrency, error handling, and common patterns.

207 commands

💠
PowerShell Reference
Complete PowerShell reference — cmdlets, pipelines, scripting, file operations, remote management, and Active Directory.

172 commands

💾
Redis Commands
Complete Redis command reference — strings, hashes, lists, sets, sorted sets, pub/sub, transactions, and server management.

200 commands

🏗️
Terraform Commands
Complete Terraform reference — init, plan, apply, state management, modules, workspaces, and HCL syntax.

122 commands

⚙️
Ansible Commands
Complete Ansible reference — playbooks, modules, inventory, roles, vault, and ad-hoc commands.

146 commands

🟨
JavaScript
Complete JavaScript reference — variables, types, operators, strings, arrays, objects, functions, async, DOM, ES6+, and more.

226 commands

🎨
CSS
Complete CSS reference — selectors, box model, positioning, typography, animations, media queries, custom properties, and more.

170 commands

📄
HTML
Complete HTML reference — document structure, text content, forms, media, semantic elements, accessibility, and more.

142 commands

Java
Complete Java reference — data types, strings, collections, OOP, interfaces, exceptions, file I/O, streams, lambdas, and more.

203 commands

💻
Bash
Complete Bash reference — variables, strings, arrays, conditionals, loops, functions, file tests, I/O redirection, process management, and more.

166 commands

🦀
Rust
Comprehensive Rust language cheat sheet covering ownership, traits, pattern matching, concurrency, and more.

137 commands

📝
Markdown
Complete Markdown syntax reference for headings, formatting, links, tables, code blocks, and extensions.

63 commands

📋
YAML
YAML syntax reference covering scalars, collections, anchors, multi-line strings, and common patterns.

58 commands

🌐
Curl
Curl command-line reference for HTTP requests, authentication, file transfers, debugging, and common API patterns.

81 commands

Cron
Cron scheduling reference covering syntax, field values, crontab management, and common schedule patterns.

63 commands

🖥️
Tmux
Terminal multiplexer for managing multiple sessions, windows, and panes from a single terminal.

68 commands

🔧
Awk
Powerful text processing language for pattern scanning, data extraction, and report generation.

73 commands

✂️
Sed
Stream editor for filtering and transforming text, line by line.

54 commands

🔍
Find
Search for files and directories in a directory hierarchy with powerful filtering options.

58 commands

🔎
Grep
Search text using patterns. Filter lines from files, command output, or streams with regular expressions.

54 commands

🐘
PHP
Complete PHP cheat sheet covering syntax, OOP, arrays, PDO, and modern PHP 8.x features.

121 commands

⚙️
C
Complete C programming cheat sheet covering syntax, pointers, memory management, and standard library.

98 commands

🔷
C++
Complete C++ cheat sheet covering STL containers, OOP, templates, smart pointers, and modern C++ features.

104 commands

🐬
MySQL
Complete MySQL cheat sheet covering queries, joins, indexes, transactions, and administration.

98 commands

💅
Sass
Complete Sass/SCSS cheat sheet covering variables, mixins, functions, nesting, and modern module system.

74 commands

🔐
Chmod
Linux file permission commands and patterns for chmod.

47 commands

🔢
NumPy
Essential NumPy commands for array manipulation and numerical computing in Python.

81 commands

🐼
Pandas
Pandas cheat sheet for data manipulation, analysis, and transformation in Python.

86 commands

🎯
Dart
Dart language cheat sheet covering syntax, types, OOP, null safety, and async patterns.

85 commands

🔺
Laravel
Laravel PHP framework cheat sheet for routing, Eloquent, Blade, Artisan, and more.

93 commands

🟩
Node.js
Comprehensive Node.js runtime reference covering modules, file system, HTTP, streams, and more.

113 commands

Next.js
Next.js App Router reference covering routing, data fetching, server components, and deployment.

92 commands

🍃
MongoDB
MongoDB reference covering CRUD operations, aggregation, indexes, and administration.

91 commands

🔥
Firebase
Firebase reference covering Authentication, Firestore, Realtime Database, Cloud Functions, and Hosting.

80 commands

🐳
Docker Compose
Docker Compose reference covering CLI commands, service configuration, networking, volumes, and more.

77 commands

💲
jQuery
Quick reference for jQuery selectors, DOM manipulation, events, AJAX, and more.

90 commands

📐
LaTeX
Quick reference for LaTeX document structure, math mode, formatting, and common packages.

81 commands

🎯
XPath
Quick reference for XPath expressions, axes, predicates, and functions for XML/HTML querying.

58 commands

Emmet
Quick reference for Emmet abbreviations for lightning-fast HTML and CSS coding.

63 commands

📦
TOML
Quick reference for TOML configuration file syntax, types, tables, and common patterns.

61 commands

💎
Prisma
Complete Prisma ORM cheat sheet — schema, queries, migrations, and CLI.

85 commands

🤖
GitHub Actions
Complete GitHub Actions cheat sheet — workflows, triggers, jobs, and CI/CD patterns.

76 commands

📦
npm
Complete npm cheat sheet — package management, scripts, publishing, and configuration.

84 commands

Supabase
Complete Supabase cheat sheet — auth, database, realtime, storage, and edge functions.

68 commands

🪶
Apache
Complete Apache HTTP Server cheat sheet — virtual hosts, modules, rewrite rules, and SSL.

76 commands

📡
HTTP Status Codes
Complete reference of all standard HTTP response status codes with descriptions and use cases.

72 commands

🔤
ASCII Table
Complete ASCII character reference with decimal, hexadecimal, and character values.

112 commands

🔧
Chrome DevTools
Essential Chrome DevTools shortcuts, commands, and workflows for web developers.

83 commands

💧
Drizzle ORM
Complete Drizzle ORM reference for schema definition, queries, relations, migrations, and common patterns.

83 commands

Vercel CLI
Complete Vercel CLI reference for deployment, project management, domains, environment variables, and configuration.

64 commands

🔄
PM2
Production process manager for Node.js applications with built-in load balancer, monitoring, and zero-downtime reloads.

53 commands

📺
Screen
GNU Screen terminal multiplexer for persistent sessions, window management, and remote work.

50 commands

📦
Webpack
Module bundler for JavaScript applications — loaders, plugins, code splitting, optimization, and dev server.

65 commands

Vite
Next-generation frontend build tool with instant HMR, native ES modules, and optimized production builds via Rollup.

66 commands