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Just Another Perl Hack Neil Bowers1 Canon Research Centre Europe
Weblint: Just Another Perl Hack Neil Bowers1 Canon Research Centre Europe Abstract Weblint is a utility for checking the syntax and style of HTML pages. It was inspired by lint [15], which performs a similar function for C and C++ programmers. Weblint does not aspire to be a strict SGML validator, but to provide helpful comments for humans. The importance of quality assurance for web sites is introduced, and one particular area, validation of HTML, is described in more detail. The bulk of the paper is devoted to weblint: what it is, how it is used, and the design and implementation of the current development version. 1. Introduction The conclusion opens with a summary of the information and opinions given in this paper. A Web sites are becoming an increasingly critical part of selection of the lessons learned over the last four years how many companies do business. For many companies is given, followed by plans for the future, and related web sites are their business. It is therefore critical that ideas. owners of web sites perform regular testing and analysis, to ensure quality of service. 2. Web Site Quality Assurance There are many different checks and analyses which The following are some of the questions you should be you can run on a site. For example, how usable is your asking yourself if you have a web presence. I have site when accessed via a modem? An incomplete list of limited the list to those points which are relevant to similar analyses are given at the start of Section 2. -
Document Object Model
Document Object Model DOM DOM is a programming interface that provides a way for the values and structure of an XML document to be accessed and manipulated. Tasks that can be performed with DOM . Navigate an XML document's structure, which is a tree stored in memory. Report the information found at the nodes of the XML tree. Add, delete, or modify elements in the XML document. DOM represents each node of the XML tree as an object with properties and behavior for processing the XML. The root of the tree is a Document object. Its children represent the entire XML document except the xml declaration. On the next page we consider a small XML document with comments, a processing instruction, a CDATA section, entity references, and a DOCTYPE declaration, in addition to its element tree. It is valid with respect to a DTD, named root.dtd. <!ELEMENT root (child*)> <!ELEMENT child (name)> <!ELEMENT name (#PCDATA)> <!ATTLIST child position NMTOKEN #REQUIRED> <!ENTITY last1 "Dover"> <!ENTITY last2 "Reckonwith"> Document Object Model Copyright 2005 by Ken Slonneger 1 Example: root.xml <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE root SYSTEM "root.dtd"> <!-- root.xml --> <?DomParse usage="java DomParse root.xml"?> <root> <child position="first"> <name>Eileen &last1;</name> </child> <child position="second"> <name><![CDATA[<<<Amanda>>>]]> &last2;</name> </child> <!-- Could be more children later. --> </root> DOM imagines that this XML information has a document root with four children: 1. A DOCTYPE declaration. 2. A comment. 3. A processing instruction, whose target is DomParse. 4. The root element of the document. The second comment is a child of the root element. -
Exploring and Extracting Nodes from Large XML Files
Exploring and Extracting Nodes from Large XML Files Guy Lapalme January 2010 Abstract This article shows how to deal simply with large XML files that cannot be read as a whole in memory and for which the usual XML exploration and extraction mechanisms cannot work or are very inefficient in processing time. We define the notion of a skeleton document that is maintained as the file is read using a pull- parser. It is used for showing the structure of the document and for selecting parts of it. 1 Introduction XML has been developed to facilitate the annotation of information to be shared between computer systems. Because it is intended to be easily generated and parsed by computer systems on all platforms, its format is based on character streams rather than internal binary ones. Being character-based, it also has the nice property of being readable and editable by humans using standard text editors. XML is based on a uniform, simple and yet powerful model of data organization: the generalized tree. Such a tree is defined as either a single element or an element having other trees as its sub-elements called children. This is the same model as the one chosen for the Lisp programming language 50 years ago. This hierarchical model is very simple and allows a simple annotation of the data. The left part of Figure 1 shows a very small XML file illustrating the basic notation: an arbitrary name between < and > symbols is given to a node of a tree. This is called a start-tag. -
Chapter 10 Document Object Model and Dynamic HTML
Chapter 10 Document Object Model and Dynamic HTML The term Dynamic HTML, often abbreviated as DHTML, refers to the technique of making Web pages dynamic by client-side scripting to manipulate the document content and presen- tation. Web pages can be made more lively, dynamic, or interactive by DHTML techniques. With DHTML you can prescribe actions triggered by browser events to make the page more lively and responsive. Such actions may alter the content and appearance of any parts of the page. The changes are fast and e±cient because they are made by the browser without having to network with any servers. Typically the client-side scripting is written in Javascript which is being standardized. Chapter 9 already introduced Javascript and basic techniques for making Web pages dynamic. Contrary to what the name may suggest, DHTML is not a markup language or a software tool. It is a technique to make dynamic Web pages via client-side programming. In the past, DHTML relies on browser/vendor speci¯c features to work. Making such pages work for all browsers requires much e®ort, testing, and unnecessarily long programs. Standardization e®orts at W3C and elsewhere are making it possible to write standard- based DHTML that work for all compliant browsers. Standard-based DHTML involves three aspects: 447 448 CHAPTER 10. DOCUMENT OBJECT MODEL AND DYNAMIC HTML Figure 10.1: DOM Compliant Browser Browser Javascript DOM API XHTML Document 1. Javascript|for cross-browser scripting (Chapter 9) 2. Cascading Style Sheets (CSS)|for style and presentation control (Chapter 6) 3. Document Object Model (DOM)|for a uniform programming interface to access and manipulate the Web page as a document When these three aspects are combined, you get the ability to program changes in Web pages in reaction to user or browser generated events, and therefore to make HTML pages more dynamic. -
Ch08-Dom.Pdf
Web Programming Step by Step Chapter 8 The Document Object Model (DOM) Except where otherwise noted, the contents of this presentation are Copyright 2009 Marty Stepp and Jessica Miller. 8.1: Global DOM Objects 8.1: Global DOM Objects 8.2: DOM Element Objects 8.3: The DOM Tree The six global DOM objects Every Javascript program can refer to the following global objects: name description document current HTML page and its content history list of pages the user has visited location URL of the current HTML page navigator info about the web browser you are using screen info about the screen area occupied by the browser window the browser window The window object the entire browser window; the top-level object in DOM hierarchy technically, all global code and variables become part of the window object properties: document , history , location , name methods: alert , confirm , prompt (popup boxes) setInterval , setTimeout clearInterval , clearTimeout (timers) open , close (popping up new browser windows) blur , focus , moveBy , moveTo , print , resizeBy , resizeTo , scrollBy , scrollTo The document object the current web page and the elements inside it properties: anchors , body , cookie , domain , forms , images , links , referrer , title , URL methods: getElementById getElementsByName getElementsByTagName close , open , write , writeln complete list The location object the URL of the current web page properties: host , hostname , href , pathname , port , protocol , search methods: assign , reload , replace complete list The navigator object information about the web browser application properties: appName , appVersion , browserLanguage , cookieEnabled , platform , userAgent complete list Some web programmers examine the navigator object to see what browser is being used, and write browser-specific scripts and hacks: if (navigator.appName === "Microsoft Internet Explorer") { .. -
XPATH in NETCONF and YANG Table of Contents
XPATH IN NETCONF AND YANG Table of Contents 1. Introduction ............................................................................................................3 2. XPath 1.0 Introduction ...................................................................................3 3. The Use of XPath in NETCONF ...............................................................4 4. The Use of XPath in YANG .........................................................................5 5. XPath and ConfD ...............................................................................................8 6. Conclusion ...............................................................................................................9 7. Additional Resourcese ..................................................................................9 2 XPath in NETCONF and YANG 1. Introduction XPath is a powerful tool used by NETCONF and YANG. This application note will help you to understand and utilize this advanced feature of NETCONF and YANG. This application note gives a brief introduction to XPath, then describes how XPath is used in NETCONF and YANG, and finishes with a discussion of XPath in ConfD. The XPath 1.0 standard was defined by the W3C in 1999. It is a language which is used to address the parts of an XML document and was originally design to be used by XML Transformations. XPath gets its name from its use of path notation for navigating through the hierarchical structure of an XML document. Since XML serves as the encoding format for NETCONF and a data model defined in YANG is represented in XML, it was natural for NETCONF and XML to utilize XPath. 2. XPath 1.0 Introduction XML Path Language, or XPath 1.0, is a W3C recommendation first introduced in 1999. It is a language that is used to address and match parts of an XML document. XPath sees the XML document as a tree containing different kinds of nodes. The types of nodes can be root, element, text, attribute, namespace, processing instruction, and comment nodes. -
Basic DOM Scripting Objectives
Basic DOM scripting Objectives Applied Write code that uses the properties and methods of the DOM and DOM HTML nodes. Write an event handler that accesses the event object and cancels the default action. Write code that preloads images. Write code that uses timers. Objectives (continued) Knowledge Describe these properties and methods of the DOM Node type: nodeType, nodeName, nodeValue, parentNode, childNodes, firstChild, hasChildNodes. Describe these properties and methods of the DOM Document type: documentElement, getElementsByTagName, getElementsByName, getElementById. Describe these properties and methods of the DOM Element type: tagName, hasAttribute, getAttribute, setAttribute, removeAttribute. Describe the id and title properties of the DOM HTMLElement type. Describe the href property of the DOM HTMLAnchorElement type. Objectives (continued) Describe the src property of the DOM HTMLImageElement type. Describe the disabled property and the focus and blur methods of the DOM HTMLInputElement and HTMLButtonElement types. Describe these timer methods: setTimeout, setInterval, clearTimeout, clearInterval. The XHTML for a web page <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>Image Gallery</title> <link rel="stylesheet" type="text/css" href="image_gallery.css"/> </head> <body> <div id="content"> <h1 class="center">Fishing Image Gallery</h1> <p class="center">Click one of the links below to view -
Sublimelinter Documentation Release 4.0.0
SublimeLinter Documentation Release 4.0.0 The SublimeLinter Community Sep 16, 2021 User Documentation 1 Installation 3 2 Settings 5 2.1 Settings stack...............................................5 2.2 Styles (colors)..............................................5 2.3 Project settings..............................................6 2.4 Settings Expansion............................................6 3 Linter Settings 9 3.1 args....................................................9 3.2 disable..................................................9 3.3 env.................................................... 10 3.4 excludes................................................. 10 3.5 executable................................................ 10 3.6 filter_errors................................................ 10 3.7 lint_mode................................................. 11 3.8 python.................................................. 11 3.9 selector.................................................. 11 3.10 styles................................................... 12 3.11 working_dir............................................... 13 4 Customization 15 4.1 Context Menu.............................................. 15 4.2 Key bindings............................................... 15 5 Troubleshooting 17 5.1 Debug mode............................................... 17 5.2 The linter doesn’t work!......................................... 17 5.3 Debugging PATH problems....................................... 17 6 Creating a gutter theme 19 7 Creating a -
Node.Js: Building for Scalability with Server-Side Javascript
#141 CONTENTS INCLUDE: n What is Node? Node.js: Building for Scalability n Where does Node fit? n Installation n Quick Start with Server-Side JavaScript n Node Ecosystem n Node API Guide and more... By Todd Eichel Visit refcardz.com Consider a food vending WHAT IS NODE? truck on a city street or at a festival. A food truck In its simplest form, Node is a set of libraries for writing high- operating like a traditional performance, scalable network programs in JavaScript. Take a synchronous web server look at this application that will respond with the text “Hello would have a worker take world!” on every HTTP request: an order from the first customer in line, and then // require the HTTP module so we can create a server object the worker would go off to var http = require(‘http’); prepare the order while the customer waits at the window. Once Get More Refcardz! Refcardz! Get More // Create an HTTP server, passing a callback function to be the order is complete, the worker would return to the window, // executed on each request. The callback function will be give it to the customer, and take the next customer’s order. // passed two objects representing the incoming HTTP // request and our response. Contrast this with a food truck operating like an asynchronous var helloServer = http.createServer(function (req, res) { web server. The workers in this truck would take an order from // send back the response headers with an HTTP status the first customer in line, issue that customer an order number, // code of 200 and an HTTP header for the content type res.writeHead(200, {‘Content-Type’: ‘text/plain’}); and have the customer stand off to the side to wait while the order is prepared. -
Notetab User Manual
NoteTab User Manual Copyright © 1995-2016, FOOKES Holding Ltd, Switzerland NoteTab® Tame Your Text with NoteTab by FOOKES Holding Ltd A leading-edge text and HTML editor. Handle a stack of huge files with ease, format text, use a spell-checker, and perform system-wide searches and multi-line global replacements. Build document templates, convert text to HTML on the fly, and take charge of your code with a bunch of handy HTML tools. Use a power-packed scripting language to create anything from a text macro to a mini-application. Winner of top industry awards since 1998. “NoteTab” and “Fookes” are registered trademarks of Fookes Holding Ltd. All other trademarks and service marks, both marked and not marked, are the property of their respective ow ners. NoteTab® Copyright © 1995-2016, FOOKES Holding Ltd, Switzerland All rights reserved. No parts of this work may be reproduced in any form or by any means - graphic, electronic, or mechanical, including photocopying, recording, taping, or information storage and retrieval systems - without the written permission of the publisher. “NoteTab” and “Fookes” are registered trademarks of Fookes Holding Ltd. All other trademarks and service marks, both marked and not marked, are the property of their respective owners. While every precaution has been taken in the preparation of this document, the publisher and the author assume no responsibility for errors or omissions, or for damages resulting from the use of information contained in this document or from the use of programs and source code that may accompany it. In no event shall the publisher and the author be liable for any loss of profit or any other commercial damage caused or alleged to have been caused directly or indirectly by this document. -
Node.Js Application Developer's Guide (PDF)
MarkLogic Server Node.js Application Developer’s Guide 1 MarkLogic 10 June, 2019 Last Revised: 10.0-1, June 2019 Copyright © 2019 MarkLogic Corporation. All rights reserved. MarkLogic Server Table of Contents Table of Contents Node.js Application Developer’s Guide 1.0 Introduction to the Node.js Client API ..........................................................9 1.1 Getting Started ........................................................................................................9 1.2 Required Software ................................................................................................14 1.3 Security Requirements ..........................................................................................15 1.3.1 Basic Security Requirements ....................................................................15 1.3.2 Controlling Document Access ..................................................................16 1.3.3 Evaluating Requests Against a Different Database ..................................16 1.3.4 Evaluating or Invoking Server-Side Code ................................................16 1.4 Terms and Definitions ..........................................................................................17 1.5 Key Concepts and Conventions ............................................................................18 1.5.1 MarkLogic Namespace .............................................................................18 1.5.2 Parameter Passing Conventions ................................................................18 -
0789747189.Pdf
Mark Bell 800 East 96th Street, Indianapolis, Indiana 46240 Build a Website for Free Associate Publisher Copyright © 2011 by Pearson Education Greg Wiegand All rights reserved. No part of this book shall be Acquisitions Editor reproduced, stored in a retrieval system, or transmit- Laura Norman ted by any means, electronic, mechanical, photo- copying, recording, or otherwise, without written Development Editor permission from the publisher. No patent liability is Lora Baughey assumed with respect to the use of the information contained herein. Although every precaution has Managing Editor been taken in the preparation of this book, the Kristy Hart publisher and author assume no responsibility for Senior Project Editor errors or omissions. Nor is any liability assumed for Betsy Harris damages resulting from the use of the information contained herein. Copy Editor ISBN-13: 978-0-7897-4718-1 Karen A. Gill ISBN-10: 0-7897-4718-9 Indexer The Library of Congress Cataloging-in-Publication Erika Millen data is on file. Proofreader Williams Woods Publishing Services Technical Editor Christian Kenyeres Publishing Coordinator Cindy Teeters Book Designer Anne Jones Compositor Nonie Ratcliff Trademarks All terms mentioned in this book that are known to be trademarks or service marks have been appropriately capitalized. Que Publishing cannot attest to the accuracy of this infor- mation. Use of a term in this book should not be regarded as affecting the validity of any trademark or service mark. Warning and Disclaimer Every effort has been made to make this book as complete and as accurate as possible, but no warranty or fitness is implied. The information provided is on an “as is” basis.