问从嵌入代码中获取Viddler视频的唯一ID (regex/parse_url)EN折腾到半夜，搞得挺兴奋，总结一下，免得...
URL(Uniform Resource Locator)是统一资源定位符,用于标识互联网上的资源。一个标准的URL通常包含以下几个部分: 协议(如http, https) 域名(如www.example.com) 端口(可选,默认为80或443) 路径(如/path/to/resource) 查询字符串(如?key=value) 片段标识符(如#section) ...
2. 解析URL Hive提供了parse_url和parse_url_tuple函数来解析URL。以下是一个示例: 假设我们有一个包含URL的表urls: sql CREATE TABLE urls ( id INT, url STRING ); -- 加载数据 LOAD DATA LOCAL INPATH '/path/to/urls.txt' INTO TABLE urls; 我们可以使用以下Hive SQL语句来解析URL: sql -- 提取...
console.log(names[i]+':'+ blanks +c[i]); }//url:http://www.ok.com:80/goodbye?q#fragment//scheme: http//slash:///host: www.ok.com//port: 80//path: goodbye//query: q//hash: fragment # //匹配数字varparse_number = /^-?\d+(?:\.\d*)?(?:e[+\-]?\d+)?$/i;vartest ...
regex =/B[a-zA-Z\d]+/g,/*I've added the global modifier 'g' to the regex to get all the matches*/ary = input.match(regex);if(ary===null)alert('No match is found');elsealert('matches are: '+ ary.toString()); 字符串replace呢?现在让我们用正则表达式试试。
4、parse_url_tuple函数 5、Lateral View侧视图与UDTF 三、行列转换的常用函数 1、示例1:case when 函数-多行转多列 2、示例2:concat函数-多行转单列 1)、concat函数 2)、concat_ws函数 3)、collect_list函数 4)、collect_set函数 5)、实现多行转单列 3、示例3:union函数-多列转多行 1)、union函数 ...
CAtlRegExp<> reUrl; // five match groups: scheme, authority, path, query, fragment REParseError status = reUrl.Parse( "({[^:/?#]+}:)?(//{[^/?#]*})?{[^?#]*}(?{[^#]*})?(#{.*})?" ); if (REPARSE_ERROR_OK != status) ...
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parensBooleanfalseMatch against Markdown-style trailing parenthesis. We set this tofalsebecause it should be up to the user to parse for Markdown URL's. apostrophesBooleanfalseMatch against apostrophes. We set this tofalsebecause we don't want the Stringbackground: url('http://example.com/pic...
This is particularly useful when this node is used to parse the file URL of a file reader node (the URL is exposed as a flow variable and then exported to a table using a Variable to Table node). The format of such URLs is similar to "file:c:\some\directory\foo.csv". Using the ...