Angular
Essential Angular syntax, components, services, and best practices for building web applications.
Bash
Essential Bash shell commands, scripting syntax, and shortcuts for efficient command-line usage.
Bun
Essential Bun commands, APIs, and patterns for the fast all-in-one JavaScript runtime.
C
Essential C programming syntax, pointers, memory management, and standard library functions.
C#
Essential C# syntax, features, and best practices for .NET development.
C++
Essential C++ syntax, data structures, and modern C++ features for system and application development.
C3
A modern systems programming language that evolves C with improved syntax, safety features, and modern conveniences while maintaining simplicity and C compatibility.
CSS
Essential CSS properties, selectors, and modern layout techniques for styling web pages.
Curl
Essential curl commands for making HTTP requests and transferring data.
DNF
Essential DNF commands for package management on Fedora, RHEL, and CentOS systems.
DRY Principle
Don't Repeat Yourself - a fundamental principle for reducing code duplication and improving maintainability.
Deno
Essential Deno commands, APIs, and patterns for modern TypeScript/JavaScript runtime.
Dijkstra's Algorithm
Dijkstra's shortest path algorithm implementations, time complexity, and use cases for graph traversal.
Docker
Essential Docker commands for containerization and deployment.
Git
Essential Git commands for version control and collaboration.
Go
Essential Go syntax, data structures, and patterns for building efficient and concurrent applications.
Grep
Essential grep commands for searching text patterns in files and streams.
HTML
Essential HTML elements, attributes, and semantic markup for building web pages.
Homebrew
Essential Homebrew commands for installing, updating, and managing packages on macOS and Linux.
JSON
JavaScript Object Notation syntax, JSON with Comments (JSONC), and JSON5 with comparison.
Java
Essential Java syntax, OOP concepts, and common patterns for building robust applications.
JavaScript
Essential JavaScript syntax, methods, and best practices for modern web development.
KISS Principle
Keep It Simple, Stupid - a design principle that prioritizes simplicity over unnecessary complexity.
Kotlin
Essential Kotlin syntax, null safety, and idiomatic patterns for modern JVM and Android development.
Kubernetes
Essential Kubernetes commands and configurations for container orchestration and cluster management.
Lua
Essential Lua syntax, tables, functions, and scripting patterns.
Make
Build automation tool for compiling and managing project dependencies using Makefiles.
Markdown
Essential Markdown syntax for formatting text, creating links, tables, and more.
MySQL
MySQL-specific commands, features, and administration for database management.
Nuxt
Essential Nuxt 4 syntax, auto-imports, data fetching, and best practices for building Vue applications.
PHP
Essential PHP syntax, functions, and patterns for web development.
Pacman
Essential commands for Arch Linux's pacman package manager.
PostgreSQL
PostgreSQL-specific commands, features, and administration.
Prettier
Quick reference for Prettier code formatter configuration, CLI commands, and common options.
Python
Python syntax, built-in functions, and common patterns for efficient programming.
Quick Sort
Quick Sort algorithm implementations, time complexity, and optimization techniques for efficient sorting.
React
React hooks, patterns, and best practices for building modern UIs.
Redis
Essential Redis commands for caching, data structures, and in-memory database operations.
Regex
Essential regular expression patterns, syntax, and examples for text matching and manipulation.
Ruby
Essential Ruby syntax, data structures, and common operations for scripting and web development.
Rust
Rust syntax, ownership, borrowing, and common patterns for safe systems programming.
SOLID Principles
The five fundamental principles of object-oriented design for writing maintainable and scalable code.
SQL
SQL syntax and commands for database querying and management.
SSH
Essential SSH commands for secure remote access and file transfers.
Sass
Essential Sass/SCSS syntax for variables, nesting, mixins, functions, and more.
SolidJS
Essential SolidJS syntax, reactivity primitives, and patterns for building high-performance web applications.
Swift
Essential Swift syntax, data structures, and common operations for iOS and macOS development.
TOML
Tom's Obvious Minimal Language - a configuration file format for humans
Terraform
Infrastructure as Code syntax, configuration blocks, and common workflow commands.
Tmux
Essential Tmux commands for terminal multiplexing, session management, and window navigation.
TypeScript
Essential TypeScript types, syntax, and patterns for type-safe JavaScript development.
Vim
Essential vim keyboard shortcuts and commands.
Vue.js
Essential Vue.js 3 syntax, Composition API, and best practices for building reactive applications.
YAGNI Principle
You Aren't Gonna Need It - a principle to avoid over-engineering by only implementing what is currently needed.
YAML
YAML syntax for configuration files, data serialization, and structured data.
Yarn
Essential Yarn commands for package management in JavaScript and Node.js projects.
Zig
Essential Zig syntax, memory management, and systems programming patterns for building robust software.
apt
Essential apt commands for managing packages on Debian-based Linux distributions like Ubuntu.
npm
Essential npm commands for Node.js package management and project workflows.
pnpm
Essential pnpm commands for fast, disk-efficient Node.js package management.
rsync
Powerful file synchronization and transfer tool for local and remote systems.
sed
Stream editor for filtering and transforming text using pattern matching and substitution.