References

Essential Git commands with explanations, examples, and quick copy.

Complete reference for CSS properties with browser compatibility notes.

Quick reference for regular expression syntax, flags, and patterns.

Complete reference for HTTP request and response headers.

Modern JavaScript ES6+ syntax reference — destructuring, async/await, arrays, classes, and more.

TypeScript reference covering types, generics, utility types, and type guards.

Python 3 reference — comprehensions, decorators, error handling, and modern syntax.

Go language reference — structs, interfaces, goroutines, channels, and generics.

Rust reference — ownership, borrowing, traits, pattern matching, and iterators.

SQL reference — joins, window functions, CTEs, aggregates, and transactions.

Advanced Git reference — interactive rebase, reflog, bisect, worktrees, and submodules.

Quick reference for React hooks, components, props, context, and performance patterns.

App Router reference — routing, data fetching, server actions, middleware, and rendering.

Vue 3 reference — template syntax, Composition API, components, slots, and routing.

Utility class reference for layout, spacing, typography, colors, and responsive design.

Angular reference — components, data binding, directives, services, and RxJS basics.

Express reference — routing, middleware, request/response objects, and error handling.

Django reference — models, migrations, views, URLs, templates, forms, and the ORM.

Flexbox reference — container/item properties, alignment, and common layout patterns.

CSS Grid reference — template columns/rows, placement, alignment, and layout patterns.

Reference for CSS transitions, keyframe animations, timing functions, and common patterns.

HTML5 reference — semantic elements, forms, media, global attributes, and basic APIs.

SVG reference — shapes, path data commands, gradients, transforms, filters, and animation.

Accessibility reference — ARIA roles, states, properties, and common accessible patterns.

SEO reference — meta tags, Open Graph, Twitter Cards, structured data, and Core Web Vitals.

Java syntax, collections, streams, generics, records, and switch expressions at a glance.

C# syntax, LINQ, async/await, records, pattern matching, and nullable reference types.

PHP syntax, arrays, string functions, superglobals, OOP, and modern PHP features.

Ruby syntax, blocks/procs/lambdas, arrays/hashes, enumerable methods, and symbols.

Server blocks, location matching, reverse proxy, SSL config, rewrites, and common directives.

Common cmdlets, pipeline operators, variables, control flow, and comparison operators.

Vim/Neovim modes, movement, editing, visual mode, search/replace, registers, and macros.

VS Code keyboard shortcuts for editing, navigation, multi-cursor, search, and debugging.

Common commands for npm, Yarn, and pnpm side by side — install, scripts, workspaces, and more.

systemctl commands, journalctl usage, unit file anatomy, timers, and troubleshooting.