HTML Entities Some characters are reserved in HTML. It is not possible to use the less than (<) or greater than (>) signs in your text, because the browser will mix them with tags. To actually display reserved characters, we must use character entit…
A character entity reference refers to the content of a named entity. An entity declaration is created by using the <!ENTITY name "value"> syntax in a Document Type Definition (DTD).In SGML, HTML and XML documents, the logical constructs k…
from: Working with Scala's XML Support 虽然这个guy炒鸡罗嗦,但是还是讲到我要的那句话: Because Scala doesn't support XML patterns with attributes. scala的模式匹配模式根本就不支持 属性 还是老老实实用XPath吧 XML is probably one of Scala's most controversial language features (right behind unrest…
在 HTML 中,某些字符是预留的. 在 HTML 中不能使用小于号(<)和大于号(>),这是因为浏览器会误认为它们是标签. 如果希望正确地显示预留字符,我们必须在 HTML 源代码中使用字符实体(character entities).比如要写这篇日志在前端展现出大于号(>),小于号(<)等就必须在后台数据库中把这些对象保存成字符实体的形式. 字符实体类似这样: &entity_name; 或者 &#entity_number; 如需显示小于号,我们必须这样写:&…
1. 什么是HTML? HTML (Hyper Text Mark-up Language) 即超文本标记语言,是用来描述网页的一种语言. 它不是一种编程语言,而是一种标记语言 (markup language) Web 浏览器通过读取 HTML 文档,并以网页的形式显示出它们. 一个网页一般由 HTML 和 CSS 两部分组成: HTML负责描述网页的结构和内容(如标题,导航栏等) CSS则负责网页的表现(外观,如:背景颜色,字体样式等). 标签主要分为2类: 自闭合标签,如:<meta ch…
When question comes 在 如何用 Nodejs 分析一个简单页面 一文中,我们爬取了博客园首页的 20 篇文章标题,输出部分拼接了一个字符串: var $ = cheerio.load(sres.text); var ans = ''; $('.titlelnk').each(function (index, item) { var $item = $(item); ans += $item.html() + '<br/><br/>'; }); // 将内容呈现到…
Certain characters have special significance in HTML, and should be represented by HTML entities if they are to preserve their meanings. This function returns a string with some of these conversions made; the translations made are those most useful f…
SELECT REPLACE(REPLACE(@str, CHAR(13), ''), CHAR(10), '') The below script removes the TAB(Horozontal Tab), Line feed(New line), Carriage Return Characters in a variable @String SET NOCOUNT ON ) ) SELECT @String = 'AB C D' PRINT @String ),'') PRINT @…
ISO-8859-1 (ISO Latin 1) Character Encoding Contents The characters at a glance Character codes and names Notes for html documents Other notes Additional references The characters at a glance Here are all the printable characters, in collating order:…