Course Introduction：Implementing CSS Animations with Delayed Start for Child ElementsIn web development, achieving a cascading effect by applying animation to child...
2024-11-24 comment 0 1018
Course Introduction：To redirect a non-www domain name to www or vice versa, it can be achieved through server configuration, CDN or hosting platform. 1. Apache server: Use the .htaccess file to add RewriteCond and RewriteRule rules, and set 301 redirection; 2. Nginx server: modify the site configuration file and use the return301 instruction to achieve jump; 3. CDN or hosting platform: for example, Cloudflare creates page rules to jump. Notes include ensuring that the SSL certificate covers two domain names, testing whether the jump takes effect, and maintaining the consistency of the entire site link to avoid SEO issues and access errors.
2025-07-19 comment 0 931
Course Introduction：How to use nginx to implement 301 jump? Create a configuration file, specifying the old URL and the new URL pattern in the rewrite directive. Use the permanent flag to specify that this is a permanent redirect. Reload the nginx configuration for the changes to take effect.
2025-04-14 comment 0 839
Course Introduction：The header jump failure may be caused by four key points. 1.header() must be called before any output, including spaces or echo. It is recommended to use ob_start() to buffer the output; 2. If condition may not be true, check whether the variable is initialized, whether the comparison method is correct, and whether there is a spelling error; 3. Exit or die must be added after the header, otherwise subsequent code execution will affect the jump effect; 4. Check whether there are multiple redirect conflicts to ensure that the jump logic is handled in a unified manner to avoid repeated sending of headers.
2025-07-11 comment 0 817
Course Introduction：The most direct way to jump to a page through JavaScript is to use the window.location object, which includes three specific methods: 1. Use window.location.href to achieve jump, which will retain history, which is suitable for ordinary link jump; 2. Use window.location.replace to replace pages, which will not retain the original page history, which is suitable for login or redirect scenarios; 3. Use window.location.assign to achieve the same effect as href, and also retain history. In addition, jumps are often triggered in conjunction with user operations, such as button clicks or form submissions, which facilitates the addition of permission verification, device judgment and other logic, thereby enhancing the use of
2025-07-24 comment 0 285
Course Elementary 13826
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 82370
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 13184
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 24635
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 27491
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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