Course Introduction：Nginx's functionality can be extended through Lua scripts and custom modules. 1) Use the ngx_http_lua_module module to execute Lua code in Nginx to implement dynamic configuration and complex request processing. 2) Develop custom modules using C language, directly interact with Nginx core, and implement underlying function extensions, such as adding HTTP headers.
2025-03-31 comment 0 724
Course Introduction：Bootstrap's list style can be customized through custom CSS classes. The basic classes include: unordered list (<ul>), ordered list (<ol>) and inline list (<ul class="list-inline">). By adding custom classes, you can modify the list style, such as removing marks, adding colors, icons, and spacing. Advanced tips include using the :nth-child() selector to implement interlaced color discoloration, and using Sass or Less preprocessors to simplify the code. When customizing, maintain style consistency and avoid over-customization.
2025-04-07 comment 0 740
Course Introduction：Using Custom Code to Label Bar Chart GroupsTo add group labels to a bar chart, one approach that can be considered, especially if a native...
2024-11-17 comment 0 511
Course Introduction：To create a custom error type, you need to define a type that implements the Error() string method, such as adding metadata using a structure, or creating lightweight errors with a string type, 1. Define a struct containing Code, Message, Details fields and implement an Error method, 2. Can embed the error field to implement error wrappers, 3. Implement the Unwrap method to support errors.As and errors.Is, 4. Return a pointer to ensure that the method is called correctly, 5. For simple scenarios, you can define a string type and implement an Error method, which ultimately makes the error programmable and rich in context.
2025-07-28 comment 0 195
Course Introduction：Modal windows and light boxes can implement basic functions through pure CSS without JavaScript. 1. Use: The target pseudo-class can control the display status based on URL anchor points. The advantage is that there is no script required, but the mask cannot be closed; 2. Use hidden checkbox and label to achieve more flexible interaction, such as clicking mask to close and adding animation transitions; 3. Pay attention to optimization details such as compatibility, accessibility (such as adding aria-label), and preventing background scrolling (using overflow:hidden). The two methods have their own applicable scenarios, suitable for static pages or lightweight projects.
2025-07-12 comment 0 1013
Course Elementary 13824
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 82360
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 13178
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 24628
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 27486
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.
redis - PHP lottery event plus memory lock, what is the principle?
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