Database

Widget testing, unit testing, and integration testing patterns for Flutter apps

Widget composition patterns for building reusable, performant Flutter UIs

Phoenix Channels and PubSub for real-time bidirectional communication

Elixir processes and message passing for concurrent and parallel programming

Deploying Elixir/Phoenix applications with Mix releases, Docker, and Fly.io

Ecto patterns for database schemas, queries, changesets, and migrations in Elixir

GenServer patterns for stateful processes in Elixir OTP applications

OTP supervision tree design for building fault-tolerant Elixir applications

Phoenix LiveView patterns for building real-time, server-rendered interactive UIs

ExUnit testing patterns for Elixir and Phoenix applications

ASP.NET Minimal APIs for building lightweight HTTP endpoints in .NET

Async/await patterns, Task-based concurrency, and cancellation in C#/.NET

Blazor component model, rendering modes, and interactive web UI development in .NET

.NET configuration system, options pattern, and secrets management

Dependency injection patterns and service registration in .NET's built-in DI container

Entity Framework Core ORM for data access, migrations, and query optimization in .NET

MediatR library for implementing CQRS, commands, queries, and pipeline behaviors in .NET

xUnit testing, integration testing with WebApplicationFactory, and mocking in .NET

Laravel API resources and transformers for building consistent, well-structured JSON API responses

Laravel authentication using Sanctum for API tokens and SPAs, and Fortify for web-based auth flows

Blade templating engine and Livewire for building dynamic server-rendered UI in Laravel applications

Deploying Laravel applications with Forge, Vapor, and general server deployment strategies

Eloquent ORM patterns for models, relationships, query scoping, and database interactions in Laravel

Laravel queues, jobs, and background task processing with Redis, SQS, and Horizon

Laravel routing, route groups, resource controllers, and middleware for request filtering and authentication

Testing Laravel applications with PHPUnit and Pest, including feature tests, unit tests, mocking, and database testing

ActiveRecord query patterns, associations, validations, callbacks, and performance optimization for Rails applications.

Building JSON APIs with Rails API mode, serialization, versioning, authentication, and rate limiting.

ActiveSupport::Concern patterns, module design, and code organization strategies for maintainable Rails applications.

Deploying Rails applications with Kamal, Docker, and production best practices for infrastructure and operations.

Hotwire and Turbo Drive, Frames, and Streams for building reactive Rails frontends without heavy JavaScript.

Background job processing with Sidekiq, including job design, error handling, queues, and performance tuning in Rails.

Stimulus.js controller patterns for adding interactive behavior to server-rendered Rails HTML.

Rails testing with RSpec and Minitest, covering model specs, request specs, system tests, factories, and test design.

Bun runtime fundamentals including speed optimizations, built-in APIs, and package management

Using Bun as a bundler for frontend assets and as a fast test runner

Node.js compatibility layers in Deno and Bun for running existing npm packages and Node APIs

Deno runtime fundamentals including permissions, module system, and built-in tooling

Deno Deploy edge functions for globally distributed serverless applications

Elysia web framework on Bun for type-safe, high-performance HTTP APIs

Fresh full-stack web framework for Deno with islands architecture and zero client JS by default

Step-by-step strategies for migrating existing Node.js applications to Deno or Bun

Astro fundamentals including project structure, components, islands architecture, and templating syntax

Content collections in Astro for managing Markdown, MDX, JSON, and YAML content with type-safe schemas

Deploying Astro sites to Vercel, Netlify, Cloudflare Pages, and other platforms

Using React, Vue, Svelte, and other UI framework islands within Astro pages

Middleware patterns in Astro for authentication, request modification, response headers, and shared context

File-based and dynamic routing in Astro including static paths, rest parameters, and route priority

Server-side rendering in Astro with adapters for Node, Vercel, Netlify, Cloudflare, and Deno

View Transitions API in Astro for smooth page navigation, animations, and persistent state

Active search, typeahead, and autocomplete patterns using HTMX triggers and debouncing

Combining Alpine.js with HTMX for client-side state and interactivity alongside hypermedia-driven updates

Server-side patterns for HTMX including partial templates, response headers, and middleware

Core HTMX attributes and fundamental patterns for hypermedia-driven web development

Form handling, validation, and submission patterns with HTMX

Infinite scroll and lazy loading patterns using HTMX revealed and intersect triggers

Progressive enhancement strategies for building HTMX applications that work without JavaScript

Real-time updates with the HTMX WebSocket extension and server-sent events

Animation utilities, transitions, custom keyframes, and motion patterns with Tailwind CSS

Common UI component patterns including cards, navbars, forms, modals, and badges built with Tailwind CSS