Course Introduction：GraalVMNativeImage is a technology that compiles Java applications into native machine code in advance, with faster startup speed and lower memory footprint. 1. It generates executable files through static analysis without the need for a JVM running environment; 2. The construction steps include installing GraalVM, installing native-image plug-in, preparing executable JAR and running native-image commands; 3. Pay attention to the characteristics of reflection, dynamic proxy, etc. that require manual configuration or tool support; 4. It is recommended to use a lightweight framework and control dependencies to improve construction efficiency and compatibility.
2025-07-24 comment 0 732
Course Introduction：The key to making interactive HTML prototypes is to master the coordination of structure, style and behavior. 1. Use basic HTML to build structures, such as buttons and pop-up elements; 2. Use CSS to control state changes, replace frequent DOM operations through class switching, improve debugging efficiency; 3. Use native JS to achieve simple interaction, such as clicking to show or hide elements, keep the code lightweight; 4. Add animation effects to improve the experience, such as pop-ups fade in and out, but avoid excessive complexity. Through these steps, you can quickly verify ideas and demonstrate a clear process.
2025-07-26 comment 0 661
Course Introduction：The H5 video player's control bar and user experience can improve flexibility and brand consistency through custom design. 1. The custom control bar needs to hide native controls, and use HTML CSS to build a UI, combining JavaScript to realize playback, pause, volume, progress and other functions. The basic components include playback/pause buttons, progress bars, time display, volume control and full-screen switching buttons. 2. The key points of improving interactive experience include optimizing the progress bar drag and click jump logic, using localStorage to save the volume state, and adapting to the full-screen mode style. 3. Mobile optimization should be muted by default and provide an unmute button, ensure that the operation area is large enough, design advanced interaction reasonably, avoid overlaying too much floating layer, and add webk
2025-07-16 comment 0 315
Course Introduction：CSS transitions enable switching between CSS attribute values ??through smooth animations, which are suitable for user interaction scenarios such as button hovering effects, menu expansion and collapse. Common usages include button closure effect, drop-down menu gradient, background color gradient, image transparency or zoom changes. The basic syntax is a transition: attribute duration time sequence function, which can specify a single or multiple attributes, or all can be used to represent all attributes, but it should be used with caution. Timing functions such as ease, linear, and ease-in-out control the animation speed curve, and can also be customized by cubic-bezier. It is recommended to prioritize opacity and transform for better performance, combined with @media(prefers-
2025-07-01 comment 0 316
Course Introduction：The key to making a responsive navigation bar is to realize the collapse function of the menu on the small screen. The core steps include: 1. Building an HTML structure, including containers, logos, links and hidden hamburger buttons; 2. Using CSS media to query and control styles under different screen sizes, hiding the menu on the mobile terminal and displaying the hamburger buttons; 3. Using JS to realize the interactive logic of click expansion and collapse. Specifically: the navigation items are displayed in HTML.nav-links, and the .hamburger button is hidden by default; the menu is set in CSS to absolutely position and hide the menu, and the hamburger button is displayed; JS controls the menu expansion and collapse by switching the .active class to ensure smooth interaction.
2025-07-05 comment 0 387
Course Elementary 13795
Course Introduction：Scala Tutorial Scala is a multi-paradigm programming language, designed to integrate various features of object-oriented programming and functional programming.
Course Elementary 82321
Course Introduction："CSS Online Manual" is the official CSS online reference manual. This CSS online development manual contains various CSS properties, definitions, usage methods, example operations, etc. It is an indispensable online query manual for WEB programming learners and developers! CSS: Cascading Style Sheets (English full name: Cascading Style Sheets) is an application used to express HTML (Standard Universal Markup Language).
Course Elementary 13157
Course Introduction：SVG is a markup language for vector graphics in HTML5. It maintains powerful drawing capabilities and at the same time has a very high-end interface to operate graphics by directly operating Dom nodes. This "SVG Tutorial" is intended to allow students to master the SVG language and some of its corresponding APIs, combined with the knowledge of 2D drawing, so that students can render and control complex graphics on the page.
Course Elementary 24603
Course Introduction：In the "AngularJS Chinese Reference Manual", AngularJS extends HTML with new attributes and expressions. AngularJS can build a single page application (SPAs: Single Page Applications). AngularJS is very easy to learn.
Course Elementary 27463
Course Introduction：Go is a new language, a concurrent, garbage-collected, fast-compiled language. It can compile a large Go program in a few seconds on a single computer. Go provides a model for software construction that makes dependency analysis easier and avoids most C-style include files and library headers. Go is a statically typed language, and its type system has no hierarchy. Therefore users do not need to spend time defining relationships between types, which feels more lightweight than typical object-oriented languages. Go is a completely garbage-collected language and provides basic support for concurrent execution and communication. By its design, Go is intended to provide a method for constructing system software on multi-core machines.
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