Components

What Is Active Directory?

An introduction to Active Directory as Microsoft's directory service for centralizing identity, authentication, and resource management across a Windows networ…

Testing Blazor Components with bUnit

Learn how to write fast, reliable unit tests for Blazor components using bUnit, from rendering and interaction to mocking dependencies.

What Is Blazor?

An introduction to Blazor, Microsoft's C#-based framework for building interactive web UI without writing JavaScript.

Testing React Components with React Testing Library

Learn how to test React components the way a user experiences them, using render, screen queries, userEvent, and async assertions.

What Is Selenium?

An introduction to Selenium, the open-source framework for automating web browsers, and why it's the backbone of web UI test automation.

YARN Architecture

An overview of YARN's split-brain design that separates cluster resource management from per-application scheduling and monitoring.

Vulnerable and Outdated Components

Understand the risks of using outdated or vulnerable third-party libraries, frameworks, and dependencies, and how to manage them securely.

Fetching Data in Server Components

Learn how to fetch data directly inside React Server Components using async/await, and how Next.js handles deduplication, parallelization, and streaming for th…

Server Components vs Client Components

Learn how React Server Components and Client Components split rendering work in the Next.js App Router, and when the 'use client' directive is actually needed.

Class Components in React

Learn the legacy class-based approach to building React components, including lifecycle methods and state.

Controlled vs Uncontrolled Components

Compare controlled components, where React state drives form values, with uncontrolled components that rely on the DOM and refs.

Functional Components in React

Understand how to define and use functional components, the modern default building block of React apps.

Testing React Components

Use React Testing Library to write user-focused tests that render components and query the DOM like a real user.

Defining and Registering Components

Covers how to author Single-File Components in Vue 3 and the difference between local and global component registration, with guidance on when to use each.

Sharing State Across Components

Compare the tools Vue offers for cross-component state sharing — props/emits, provide/inject, composables, and Pinia — and when to reach for each.

Testing Vue Components

Introduces strategies and tools for testing Vue 3 components, from unit testing composables to mounting components with Vue Test Utils and simulating user inte…

Standalone Components and Bootstrapping

Understand how standalone components eliminate the need for NgModules, and how modern Angular applications bootstrap directly from a root component and provide…

Testing Components with TestBed

See how Angular's TestBed compiles and instantiates real components in a test environment, letting you inspect the DOM, trigger change detection, and simulate…