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Translation [Ruby Tutorial] Nokogiri-Parsing Html/xml Documents/parsing an html/xml document

From a String From a File From the Internet Parse Options Encoding Original: Parsing an html/xml DocumentParsing a html/xml document reading from a stringWe ' ve tried to make this easy on. really! We ' re here for make your life easier.1 html_doc = nokogiri::html ("")2 xml_doc = Nokogiri::xml (" ")Variables html_doc and xml_doc is Nokogiri

Ruby XML Plugin: nokogiri vs libxml vs hpricot vs rexml

Disclaimer: every time we 've ve run a piece about benchmarking or performance numbers on Ruby inside, a retraction or significant correction has come out shortly thereafter. benchmarking is hard, uugly, and quite often wrong or biased. it is not useless, however, but if you depend on the results in any way, you shoshould certainly try to do your own benchmarking to confirm. Last week, libxml-Ruby 1 was released-a significant achievement since it had been under development for seven years. ISusp

Nokogiri tangle on centos

# Define the html url url = "http://mp3.baidu.com/" # Get the nokogiri document DOC = nokogiri: HTML (open (URL )) In centos, the above sentence cannot be parsed, and n writing methods have been tried. Later I found it was a nokogiri installation problem. If centos5.5 is used, the latest version of libxml2 is still too low. centos is so easy to use and stable

Ruby XML Format Data Parsing library Nokogiri using advanced _ruby topics

First, the basic grammar1. Get the Nokogiri object directly as a string: Html_doc = nokogiri::html (" Html_doc and Xml_doc here are Nokogiri files. 2. Nokogiri objects can also be obtained through file handles: f = File.Open ("Blossom.xml") doc = Nokogiri

A small example of nokogiri collection

Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> 1 Require ' Nokogiri ' 2 Require ' Open-Uri ' 3 Require " Iconv " 4 5 Task: dreamtype => : Environment Do 6 # Doc = Nokogiri: HTML (file. Open ( " A.html " )) 7 # Doc.css ( " Table.txt> tr> TD: Nth-Child (1) " ). Each Do | Link | 8 # Dream. Create

How to use Ruby and Nokogiri to simulate crawlers to export RSS seeds

Code snippets, code sharing, PHP code sharing, Java code sharing, Ruby code sharing, Python code sharing, HTML code sharing, CSS code sharing, SQL code sharing, and JavaScript code sharing # encoding: utf-8require 'thread'require 'nokogiri'require 'open-uri'require 'rss/maker' $result=Queue.newdef extract_readme_header(no,name,url) frame = Nokogiri::HTML(open(url)) return unless frame readme=$url+frame.css('frame')[1]['src'] return unless readme

Tutorial on using Nokogiri packages in Ruby to manipulate XML format data _ruby topics

Installation For Ubuntu, you need to install LIBXML2, libxslt these two components: $ apt-get Install LIBXML2 libxslt Then you can: $ gem Install Nokogiri Available optionsNokogiri provides some options for parsing files, which are commonly used: Noblanks: Delete Empty node Noent: Alternative Entities NoError: Hide Error Reporting STRICT: Accurate parsing, throwing an error when parsing to a file exceptio

Jquery.cookie uses documentation, $.cookie () documentation tutorials, JS operation Cookie Tutorial documentation.

Jquery.cookie uses documentation, $.cookie () documentation tutorials, JS operation Cookie Tutorial documentation.Actions in Jquery.cookie:Jquery.cookie.js is a jquery-based plugin that Https://github.com/carhartl/jquery-cookieCreate a session Cookie:$.cookie (' cookiename ', ' cookievalue ');Note: When no cookie time is specified, the cookie is created by default until the user's browser is closed and is r

Azure documentation (SQL Data Warehouse, azure SQL database documentation)

Tags: sqlAzure Documentation:https://docs.azure.cn/zh-cn/#pivot =productspanel=databasesSQL Data Warehouse Documentation:https://docs.azure.cn/zh-cn/sql-data-warehouse/Learn how to use SQL Data Warehouse, which combines SQL Server relational databases with massively parallel processing. Tutorials and other documentation describe how to load data into the Data warehouse and analyze, manage, and export data.Azure SQL Database Documentation:https://docs.

How programmers write good technical documentation how to write high-quality API documentation work

Writing technical documentation is one of the most daunting tasks for many developers. It itself is a time-consuming and laborious job to do well. But most of the time, people are always trying to take shortcuts, and the results are often very regrettable, because quality technical documentation is an important factor in determining whether your project is a concern. This is true for both open source and de

Technical Documentation--studio Technical documentation

, both in configuration, compilation, and packaging.6. Powerful UI EditorAndroid Studio's editor is very smart, in addition to absorbing the advantages of Eclipse+adt, but also comes with a multi-device real-time preview, relative to the Android developers is an artifact ah.7. Built-in terminalStudio built-in terminal, which is the gospel for people who are accustomed to command-line operations, no longer has to switch back and forth, and a studio is all done.8. More perfect plug-in systemStudio

KOTLIN development language documentation (official documentation), kotlin development language

KOTLIN development language documentation (official documentation), kotlin development language Web link: https://kotlinlang.org/docs/reference/basic-types.html2. Basic Concepts 2.1. Basic Types From the perspective of Calling member functions and attributes in any variable processing, everything in the Kotlin development language is an object. Some types are embedded, and their implementations are optimize

Official android Technical Documentation translation-layout attribute during design, android Technical Documentation

Official android Technical Documentation translation-layout attribute during design, android Technical Documentation This article is translated from the official androd technical document Designtime Layout Attributes: http://tools.android.com/tips/layout-designtime-attributes. URL: http://blog.csdn.net/maosidiaoxian/article/details/42441269. Indicate the source for reprinting. If any translation error occur

Java documentation Comment Generation Help documentation

Example:/** * Title:person class { /** * This is how the person class is constructed * @param name of person * * */public person (St Ring name) { //execute statement; } /** * This is the read () method description * @param bookname Read the name of the book * @param time Time spent reading * * * * @return number of Books read * * /public int read (String bookname, int time ) { //execute statement; return 1;} } Generate comma

. NET extract Comment generation API documentation Help documentation

First, prefaceIn a multi-person collaborative project, in addition to good code specifications, the complete API documentation is also very important. Through the documentation we quickly understand the actual interface of each module of the system, its usage scenarios, use examples to reduce communication costs to a certain extent, and reduce the risk of loss of knowledge in later maintenance.For. Net, we

Tool sharing -- annotate C # documentation to generate. chm help documentation

Sandcastle Help File Builder visual tool, the entire generation process is very simple, and the SHFB tool looks very powerful, not only can you directly configure the attributes of the generated document, it also supports flexible extension settings to provide us with perfect. NET class library documentation becomes a possibility. Download the tool from here: Sandcastle: http://sandcastle.codeplex.com/. click downloadon the right. Sandcastle Help Fil

Imitation Baidu Library, douding documentation online documentation with a full set of tools _ PHP Tutorial

A full set of tools are provided in the online documents of Baidu Library and douding documents. This is a great online document sharing system source code, similar to Baidu Library, douding documentation website source code, here completely free for everyone to learn. This is a great online document sharing system source code without any currency. it is similar to the source code of Baidu Library and douding document website. it is provided for every

C ++ standard library and reserved words (keywords) -- Appendix: C ++ standard documentation, keyword documentation

C ++ standard library and reserved words (keywords) -- Appendix: C ++ standard documentation, keyword documentationIntroduction Up to now, C ++ has released four international standards: ISO/IEC 14882: 1998, ISO/IEC 14882: 2003, ISO/IEC 14882: 2011, and ISO/IEC 14882: 2014 (C ++ 98, C ++ 03, C ++ 11, and C ++ 14). Currently, C ++ 11 is widely used. C ++ standard library C ++ reserved words/keywords C ++ 11 international standards Link: Draft C ++

If you are interested in sharing some android documentation resources, you can download the online storage and android documentation.

If you are interested in sharing some android documentation resources, you can download the online storage and android documentation. Google.android.sdk . 3 source code .rar 3 Chinese version (Pro Android 3).pdf API http://pan.baidu.com/s/1qWyQoawandroid.chm API documentation Chinese version of http://pan.baidu.com/s/1qWBb2Deandroid_sdk_docs.rar official

. NET Core 2.0 download and documentation,. netcore2.0 documentation

. NET Core 2.0 download and documentation,. netcore2.0 documentation . NET Core 2.0 RTM official release. ASP. NET Core 2.0, EF Core 2.0, and. NET Standard 2.0 are released. You can use Visual Studio 2017 15.3 +, Visual Studio Code-C # Extension and Visual Studio for Mac to create. NET Core 2.0 applications. . NET Core 2.0 official blog Description: https://blogs.msdn.microsoft.com/dotnet/2017/08/14/announc

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