Kuangyx Documentation and Web Tools

website·Indexed 32 days ago

https://kuangyx.cn/

A collection of technical guides and developer utilities covering frontend frameworks like Vue 3 and Pixi.js, geospatial libraries such as OpenLayers and Cesium, and backend languages including Java, Go, and C. The site also provides browser-based tools for Markdown editing, code formatting, SVG optimization, image watermarking, and audio conversion.

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What's inside Kuangyx

  1. Overview of popular Vue 3 UI component libraries

    There are several high-quality UI libraries available for Vue 3 development, depending on the project requirements:

    • Element-Plus: A component library for designers and developers based on Vue 3.
    • Ant Design Vue: An enterprise-class UI component library based on Ant Design and Vue 3.
    • Arco Design Vue: Developed by ByteDance, offering over 60 high-quality, out-of-the-box components covering most business scenarios.
    • Quasar: A framework for building multi-platform applications (SPA, SSR, PWA, Desktop via Electron, and Mobile via Capacitor/Cordova) using a single codebase.
    • Naive UI: A comprehensive, TypeScript-based Vue 3 component library with customizable themes.
  2. Overview of Java Reflection

    Reflection in Java allows a program to treat a class's structural information as data to be read or manipulated at runtime. Java encapsulates class components into specific objects: member variables as Field, constructors as Constructor, and member methods as Method.

    Pros:

    • Increases flexibility by allowing class manipulation during runtime.
    • Enables decoupling (e.g., swapping implementations via configuration without changing code).
    • Allows object creation and method invocation using class names provided as strings (common in frameworks).

    Cons:

    • Performance overhead compared to direct calls.
    • Reduced type safety (increased use of Object and casting; errors occur at runtime).
    • Potential security and maintainability issues when using setAccessible(true) to bypass encapsulation.
  3. Overview of JDBC (Java Database Connectivity)

    JDBC is a standard Java API used to access relational databases such as MySQL, PostgreSQL, and Oracle. It serves as the foundational layer for executing SQL statements in Java applications, and is the underlying mechanism used by most Java ORM frameworks.
  4. Crop images locally in the browser

    Use the Image Crop tool to crop images using either a free-form selection box or locked aspect ratios such as 1:1, 4:3, and 16:9. The tool processes images locally within the browser and allows exporting the cropped selection in PNG, JPG, or WebP formats based on the original image pixels. To start, drag and drop files or folders into the browser window or use the 'Select File' button.
  5. Resize images locally in the browser

    The Image Resize tool allows users to scale images by pixels or percentage. It supports locking the aspect ratio to maintain image proportions and provides export options for PNG, JPG, and WebP formats. All image processing is performed locally within the browser, ensuring data privacy.