Actions

Your First Playwright Test

Writing, running, and understanding a first real Playwright test, from locators and actions to assertions and the HTML report.

Actions Class: Mouse Hover and Drag-and-Drop

Learn how Selenium's Actions class composes mouse hover, click-and-hold, and multi-step drag gestures that simple click() and sendKeys() calls cannot express.

Clicks and Keyboard Actions

How to perform clicks, hovers, drag-style holds, and keyboard shortcuts with Selenium's click() and the Actions class.

Transformations and Actions

How Spark's lazy execution model splits operations into transformations that build a plan and actions that trigger real computation.

Your First Spark Job

Writing a complete read-transform-write Spark job, and understanding the crucial difference between lazy transformations and eager actions.

Actions and Steps

Learn how actions form the sequential building blocks of a flow's logic, from simple connector calls to control-flow constructs like conditions and loops.

Server Actions Explained

Learn how Server Actions let you write server-side mutations that are callable directly from forms and Client Components, with progressive enhancement, pending…

GitHub Actions Triggers and Events

Learn how GitHub Actions workflows start: the `on:` key, common webhook events, scheduled runs, manual dispatch, and how to filter events by branch, path, or t…

GitHub Actions Workflow Basics

GitHub Actions workflows are YAML files in .github/workflows that define when a pipeline runs, what jobs it contains, and what steps each job executes.

Reusable Workflows and Composite Actions

Compare GitHub Actions' two mechanisms for eliminating duplicated pipeline logic — reusable workflows called with `uses:` at the job level, and composite actio…

Pinia Actions and Getters

Learn how Pinia actions encapsulate business logic and mutations while getters derive cached, reactive values from store state.

CI/CD Pipeline Design Cheat Sheet

Core principles and patterns for structuring continuous integration and delivery pipelines, from stages to caching and artifacts.