设计开发
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欢迎使用本站积分系统！积分是本站的虚拟货币，可以用来解锁付费内容、购买资源、以及转赠给其他会员。本文将详细介绍积分的所有获取方式与消耗方式。 一、如何获得积分1. 注册奖励只要你完成账户注册并通过验证，系统就会自动发放一笔注册欢迎积分。这是你在本站获得的第一笔积分，开门红！ 2. 每日签到每天登录后前往签到页面完成签到，即可随机获得一定数量的积分。每天只能签到一次，坚持每天签到积累更多积分！ 3. 发帖/发布内容每当你在论坛发布新帖子、写新文章、上传图片等内容时，系统会自动奖励你一定数量的积分。内容创作越多，积分越多。（管理员可设置每日发帖奖励上限） 4. 回复/评论每次回复他人帖子或发表评论，也可以获得积分奖励。积极参与讨论，既能帮助他人，又能积累积分！（管理员可设置每日回复奖励上限） 5. 内容被点赞当其他会员对你发布的内容点赞时，你将自动获得积分奖励。内容质量越高、获得的点赞越多，赚取的积分也就越多。注意：自己给自己点赞不会获得奖励，且每日有获奖上限。 6. 出售付费资源如果你在资源下载区上传了付费文件，每当有人购买你的文件，你将自动获得销售分成（平台会保留一小部分作为手续费）。上传优质资源，持续被动收入！ 7. 充值购买积分你可以通过站内充值中心直接购买积分套餐。部分套餐在基础积分之外还会额外赠送bonus积分，购买越多越划算。 8. 消费返积分在本站商城消费真实货币时，可按一定比例换算获得积分返还（是否开启以管理员设置为准）。 9. 其他会员转账其他会员可以直接将积分转给你，转账到账的积分会实时更新到你的余额中。 10. 管理员…
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XFRM Right Sidebar Pro 是一款专为 XenForo 资源管理器（XFRM）设计的高级边栏增强插件。通过创新的下载按钮集成技术和精美的卡片式设计，为您的资源页面带来前所未有的用户体验提升。 已经开发完成， 正式上线！这是付费版本，免费版本请在本站查找相关文件！
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Keystore 是基于 Invision Community 5（IPS 5）的授权与发卡解决方案，覆盖“商品管理 → 卡密发放 → 授权校验 → 订单追踪”的完整闭环。它将验证服务与后台管理深度整合，提供即插即用的商业化基础设施。 - 组成 - 验证服务端：内置接口负责授权解密与完整性校验、时间窗校验、设备/域名绑定与证书签名。 - 客户端校验：发行版内置加固校验流程（HTTPS 强制、域名白名单、固定 UA、Base64URL 打包）。 - 后台管理：发卡商品（无价格字段）、卡密库、订单流转与日志审计，聚焦发卡与授权本身。 - 工作流 1) 创建发卡商品并配置卡密 → 2) 交付卡密给最终用户 → 3) 客户端发起加密验证 → 4) 服务端返回授权结果与约束（含签名/证书） → 5) 后台实时可视订单与授权状态。 ## 关键特性 - 安全通信：AES‑256‑CBC 加密 + Base64URL 打包 + HMAC 完整性校验 - 反篡改：固定 HTTPS 验证域名白名单，内置 UA，禁用明文回退 - 授权约束：支持域名/设备绑定与指纹校验，防止传播滥用 - 灵活发卡：卡密批量导入/生成，库存可视与状态管理 - 订单追踪：订单列表、状态流转与审计信息 - 轻量后台：发卡商品、卡密、订单一体化管理（无商品价格字段，更贴合外部商店结算） - 兼容性：适配 IPS 5.0.x，遵循框架规范，易于二开 Keystore-Invision Community 卡密发行系统 - Invision Community - OKAA ## 适用场…
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Keyboard ShortcutsKeyboard Shortcuts For Windows and MacKeyboard shortcuts are often used in modern operating systems and computer software programs. Learning and using keyboard shortcuts can save you a lot of time. Basic ShortcutsDescription Windows Mac OS Edit menu Alt + E Ctrl + F2 + F File menu Alt + F Ctrl + F2 + E View menu Alt + V Ctrl + F2 + V Select all text Ctrl + A Cmd + A Copy text Ctrl + C Cmd + C Find text Ctrl + F Cmd + F Find and replace text Ctrl + H Cmd + F New Document Ctrl + N Cmd + N Open a file Ctrl + O Cmd + O Print options Ctrl + P Cmd + P Save file Ctrl + S Cmd + S Paste text Ctrl + V Cmd + V Cut text Ctrl + X Cmd + X Redo text Ctrl + Y Shift + Cm…
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Pixels to Ems ConversionPixel to Em ConverterThe tool below allows you to work out the em sizes from pixels (or vice versa). Set a default pixel size for body (usually 16px) Then, convert a pixel value to em, based on the default pixel size Or, convert an em value to pixels, based on the default pixel size Set a default pixel size: px Convert PX to EM: px Convert EM to PX: em Convert Result: Body Font SizeIn the table below, select a body font size in pixels (px) to display a complete "px to em and percent" conversion table. Tip: The default font size is usually 16px. What is the difference between PX, EM and Percent? Pixel is a static measurement, while percent a…
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HTML Entities Reserved characters in HTML must be replaced with entities: < (less than) = < > (greater than) = > HTML Character Entities Some characters are reserved in HTML. If you use the less than (<) or greater than (>) signs in your HTML text, the browser might mix them with tags. Entity names or entity numbers can be used to display reserved HTML characters. Entity names look like this: &entity_name; Entity numbers look like this: &#entity_number; To display a less than sign (<) we must write: < or < Entity names are easier to remember than entity numbers. Non-breaking Space A commonly u…
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HTTP Request Methods What is HTTP? The Hypertext Transfer Protocol (HTTP) is designed to enable communications between clients and servers. HTTP works as a request-response protocol between a client and server. Example: A client (browser) sends an HTTP request to the server; then the server returns a response to the client. The response contains status information about the request and may also contain the requested content. HTTP Methods GET POST PUT HEAD DELETE PATCH OPTIONS CONNECT TRACE The two most common HTTP methods are: GET and POST. The GET Method GET is used to request data from a specified resource. Note that the query string…
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HTTP Status Messages HTML Error Messages When a browser requests a service from a web server, an error might occur, and the server might return an error code like "404 Not Found". It is common to name these errors HTML error messages. But these messages are something called HTTP status messages. In fact, the server always returns a message for every request. The most common message is 200 OK. Below is a list of HTTP status messages that might be returned: 1xx: Information Message: Description: 100 Continue The server has received the request headers, and the client should proceed to send the request body 101 Switching Protocol…
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HTML Language Code Reference ISO Language Codes You should always include the lang attribute inside the <html> tag, to declare the language of the Web page. This is meant to assist search engines and browsers: <html lang="en"> ... </html> In XHTML, the language is declared inside the <html> tag as follows: <html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"> ... </html> ISO 639-1 Language Codes ISO 639-1 defines abbreviations for languages: See also: Reference for Country Codes. Language ISO Code Abkhazian ab Afar aa Afrikaans af Akan ak Albanian sq Amharic am Arabic ar Aragon…
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HTML Audio/Video DOM Reference HTML Audio and Video DOM Reference The HTML5 DOM has methods, properties, and events for the <audio> and <video> elements. HTML Audio/Video Methods Method Description addTextTrack() Adds a new text track to the audio/video canPlayType() Checks if the browser can play the specified audio/video type load() Re-loads the audio/video element play() Starts playing the audio/video pause() Pauses the currently playing audio/video HTML Audio/Video Properties Property Description audioTracks Returns an AudioTrackList object representing available audio tracks autoplay Sets or returns whe…
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HTML URL Encoding Reference URL - Uniform Resource Locator Web browsers request pages from web servers by using a URL. The URL is the address of a web page, like: https://www.w3schools.com. URL Encoding (Percent Encoding) URL encoding converts characters into a format that can be transmitted over the Internet. URLs can only be sent over the Internet using the ASCII character-set. Since URLs often contain characters outside the ASCII set, the URL has to be converted into a valid ASCII format. URL encoding replaces unsafe ASCII characters with a "%" followed by two hexadecimal digits. URLs cannot contain spaces. URL encoding normally replaces a space with a …
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HTML Iframes An HTML iframe is used to display a web page within a web page. HTML Iframe Syntax The HTML <iframe> tag specifies an inline frame. An inline frame is used to embed another document within the current HTML document. Syntax <iframe src="url" title="description"></iframe> Tip: It is a good practice to always include a title attribute for the <iframe>. This is used by screen readers to read out what the content of the iframe is. Iframe - Set Height and Width Use the height and width attributes to specify the size of the iframe. The height and width are specified in pixels by default: Example <iframe src="demo…
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HTML Plug-ins Plug-ins are computer programs that extend the standard functionality of the browser. Plug-ins Plug-ins were designed to be used for many different purposes: To run Java applets To run Microsoft ActiveX controls To display Flash movies To display maps To scan for viruses To verify a bank id Warning ! Most browsers no longer support Java Applets and Plug-ins. ActiveX controls are no longer supported in any browsers. The support for Shockwave Flash has also been turned off in modern browsers. The <object> Element The <object> element is supported by all browsers. The <object> element defines an embedded object within an HT…
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HTML Character Sets Common HTML Character Sets The default character set in HTML5 is UTF-8. For a closer look, visit our Complete HTML Character Set Reference. Number ASCII ANSI 8859-1 UTF-8 Description 32 space 33!!!!exclamation mark 34""""quotation mark 35####number sign 36$$$$dollar sign 37%%%%percent sign 38&&&&ersand 39''''apostrophe 40((((left parenthesis 41))))right parenthesis 42****asterisk 43++++plus sign 44,,,,comma 45----hyphen-minus 46....full stop 47////solidus 480000digit zero 491111digit one 502222digit two 513333digit three 524444digit four 535555digit five 546666digit six 557777digit seven 568888digit eight 579999digit ni…
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HTML Audio The HTML <audio> element is used to play an audio file on a web page. The HTML <audio> Element To play an audio file in HTML, use the <audio> element: Example <audio controls> <source src="horse.ogg" type="audio/ogg"> <source src="horse.mp3" type="audio/mpeg"> Your browser does not support the audio element. </audio> HTML Audio - How It Works The controls attribute adds audio controls, like play, pause, and volume. The <source> element allows you to specify alternative audio files which the browser may choose from. The browser will use the first recognized format. The text between th…
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HTML Uniform Resource Locators A URL is another word for a web address. A URL can be composed of words (e.g. w3schools.com), or an Internet Protocol (IP) address (e.g. 192.68.20.50). Most people enter the name when surfing, because names are easier to remember than numbers. URL - Uniform Resource Locator Web browsers request pages from web servers by using a URL. A Uniform Resource Locator (URL) is used to address a document (or other data) on the web. A web address like https://www.w3schools.com/html/default.asp follows these syntax rules: scheme://prefix.domain:port/path/filename Explanation: scheme - defines the type of Internet service (most common i…
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HTML Web Storage API HTML Web Storage API; better than cookies. What is HTML Web Storage? With web storage, applications can store data locally within the user's browser. Before HTML5, application data had to be stored in cookies, included in every server request. Web storage is more secure, and large amounts of data can be stored locally, without affecting website performance. Unlike cookies, the storage limit is far larger (at least 5MB) and information is never transferred to the server. Web storage is per origin (per domain and protocol). All pages, from one origin, can store and access the same data. Web Storage API Objects Web storage provides two obj…
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HTML Syllabus Introduction The W3Schools HTML Tutorial is comprehensive and beginner-friendly. It will give you a fundamental knowledge of HTML. It is designed for beginners and requires no prior experience with programming. The content has been carefully made to be bite-sized, simple, and easy to understand. The content has been proven by millions of users over the years. It is updated and improved frequently. The syllabus outline and its sequence are structured so you can learn HTML step by step, from the introduction to creating your first application with HTML. Get Started With HTML » Learning Outcomes Understand the basic structure of an HTML document…
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HTML Element Reference HTML Tags Ordered Alphabetically Tag Description <!--...--> Defines a comment <!DOCTYPE> Defines the document type <a> Defines a hyperlink <abbr> Defines an abbreviation or an acronym <acronym> Not supported in HTML5. Use <abbr> instead. Defines an acronym <address> Defines contact information for the author/owner of a document <applet> Not supported in HTML5. Use <embed> or <object> instead. Defines an embedded applet <area> Defines an area inside an image map <article> Defines an article <aside> Defines content aside from the page content …
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HTML Interview Preparation Try W3Schools' comprehensive Front-End interview preparation feature. A tool that will help you get ready for your next interview. W3Schools interview preparation is an interactive feature powered by AI, where you can select the role of the interviewer, ask questions, and receive guidance. After the interview training you will get an evaluation of your performance that you can use to improve yourself. What to expect in a Front-End interview If you are going to a Front-End interview, there are a few things you can expect: Coding Questions: You will be asked coding questions, and you possibly also get a task to solve. Exam…
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HTML Video The HTML <video> element is used to show a video on a web page. Video Example Courtesy of Big Buck Bunny: Your browser does not support HTML5 video. The HTML <video> Element To show a video in HTML, use the <video> element: Example <video width="320" height="240" controls> <source src="movie.mp4" type="video/mp4"> <source src="movie.ogg" type="video/ogg"> Your browser does not support the video tag. </video> How it Works The controls attribute adds video controls, like play, pause, and volume. It is a good idea to always include width and height attributes. If he…
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HTML Event Attributes Global Event Attributes HTML has the ability to let events trigger actions in a browser, like starting a JavaScript when a user clicks on an element. To learn more about programming events, please visit our JavaScript tutorial. Below are the global event attributes that can be added to HTML elements to define event actions. Window Event Attributes Events triggered for the window object (applies to the <body> tag): Attribute Value Description onafterprint script Script to be run after the document is printed onbeforeprint script Script to be run before the document is printed onbeforeunload script Script to be run when the docum…
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HTML Exercises Test your HTML skills with exercises from all categories: Exercises Tip: Sign in to track your progress. 0/51 done Introduction3 exercisesOpenDoneBasic4 exercisesOpenDoneElements3 exercisesOpenDoneAttributes5 exercisesOpenDoneHeadings3 exercisesOpenDoneParagraphs6 exercisesOpenDoneStyles7 exercisesOpenDoneFormatting6 exercisesOpenDoneQuotations5 exercisesOpenDoneComments3 exercisesOpenDoneColors3 exercisesOpenDoneRGB Colors3 exercisesOpenDoneHex Colors3 exercisesOpenDoneHSL Colors3 exercisesOpenDoneCSS5 exercisesOpenDoneLinks5 exercisesOpenDoneLink Colors3 exercisesOpenDoneBookmarks3 exercisesOpenDoneImages7 exercisesOpenDoneImage Map3 exer…
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HTML Website Hosting Create Website with HTML Host Websites with W3Schools Spaces Get Started for Free Practice Coding Skills kAI AI Tutor Build Project…
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