Resources and tutorials for programmers' advanced learning journey. Advanced tracks in Java, Python, and C#. Blog: https://blog.csdn.net/badao_liumang_qizhi
This guide shows how to integrate the speak‑tts library into a Vue component to trigger speech synthesis on button click, covering Chrome’s autoplay restrictions, npm installation, object initialization, button markup, click handler, and a complete working example.
This guide introduces Fabric.js—a library that adds an object model, SVG parsing, and interactivity to HTML5 Canvas—and walks through setting up a Vue project, installing the library, creating a canvas element, and drawing a red rectangle with concise code examples.
This guide walks through installing Node on CentOS 7, using npm to install Node-RED globally, launching the service, and opening the firewall so the editor is reachable at port 1880, including the required unsafe-perm flag for proper permission handling.
This guide introduces IBM's Node-RED visual programming tool, explains how to install Node.js and Node-RED on Windows using npm, run the server on port 1880, and build a simple flow with inject and debug nodes to verify output.
This guide walks through cloning the Node-RED source, installing dependencies, building and running it locally on Windows, packaging the project, and then installing Node and deploying the packaged Node-RED on an offline server.
This tutorial shows how to import the required OpenLayers modules into a Vue project, configure a map, add a Polygon draw interaction, handle the drawend event to compute and format the polygon's area using OpenLayers' getArea function, and provides a complete working example with code.
This guide shows how to load a GeoServer TileWMS layer in a Vue app with OpenLayers, configure map and line layers, add a selectable draw interaction for LineString geometry, capture drawn coordinates, and provides a complete Vue component example.
This tutorial walks through importing OpenLayers modules into a Vue component, defining line coordinates, creating vector sources and layers, styling the line, and integrating the line layer with other map layers to render a green polyline on the map.
The article explains how to read an NFC card’s UID on Android, use it as a unique user identifier for login verification, and walks through required permissions, setting the activity launch mode to singleTop, designing the UI layout, handling NFC intents, converting the UID to a hex string, and debugging the implementation.
This guide walks through integrating Hikvision cameras into a SpringBoot‑Vue application, covering SDK download, backend‑frontend code generation, Vue table multi‑selection limited to four cameras, IE‑mode detection, plugin installation, camera login, real‑time playback, and clean shutdown.
