Events

Waiting for Network Events

Master page.waitForResponse(), waitForRequest(), networkidle, and traffic listeners to synchronize tests with real network activity.

Your First MAUI App

A hands-on walkthrough of scaffolding, running, and modifying your first .NET MAUI app, including event wiring, navigation, and Hot Reload debugging.

Broadcasting Events

Learn how to send events to groups of clients at once using io.emit, broadcast.emit, and rooms, the mechanisms that power chat rooms, live dashboards, and mult…

Custom Events and Payloads

Learn how to design well-structured custom event names and payload shapes in Socket.IO, including validation, versioning, and binary data handling for maintain…

Emitting and Listening to Events

Learn how Socket.IO's event-based API lets clients and servers send named messages to each other using emit and on, the foundation of every real-time feature.

Socket.IO with TypeScript

Learn how to add end-to-end type safety to Socket.IO applications using event-map generics for server-to-client, client-to-server, and inter-server events.

Events and Logging

Events emit indexed logs to the blockchain that off-chain applications can efficiently query, providing a cheap way to record activity that smart contracts the…

Events in Excel VBA

Understand Excel's event-driven model — workbook, worksheet, and application events — and how to write handlers that respond automatically to user actions like…

Events and Delegates in VB.NET

Understand how delegates provide type-safe function references in VB.NET, and how the Event/RaiseEvent/WithEvents system builds the observer pattern on top of…

WebSockets vs Server-Sent Events

Understanding when to choose bidirectional WebSockets versus the simpler, unidirectional Server-Sent Events (SSE) protocol for server-to-client streaming.

The events Module and EventEmitter

Learn how Node's EventEmitter class enables the observer pattern used throughout the Node.js core APIs.

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…

Emitting Custom Events

Learn how child components communicate upward to parents using Vue's custom event system, including typed emits and the defineEmits macro.

Delegates and Events

Delegates are type-safe function pointers that enable callbacks and composition; events build on delegates to provide a controlled publish-subscribe mechanism.

C# Delegates & Events Cheat Sheet

Covers delegates, multicast delegates, the built-in Func, Action, and Predicate types, and the C# event pattern for publish-subscribe notifications.

jQuery Cheat Sheet

A reference for jQuery's selector syntax, DOM manipulation methods, event handling, and AJAX helpers for legacy and existing codebases.

Web Sockets vs Server-Sent Events Cheat Sheet

Compares WebSocket and Server-Sent Events with working code for both, plus guidance on which real-time approach fits your use case.

PagerDuty Cheat Sheet

Key concepts and CLI/API usage for configuring PagerDuty services, escalation policies, on-call schedules, and incident response workflows.