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• Increase application performance on Amazon AWS

  - by Honus Wagner

  I've got a client with an MVC v1 (.NET) application running on a micro instance. On this instance, I've got .NET, IIS 7.5, and MS SQL Server 2008 running to handle the application. The client has reported that it is taking nearly 10 seconds to process each request. Even loading the initial login page takes about that long, then logging in takes that long, etc etc. The currently running instance specs are as follows: 615 MB RAM Intel Xenon CPU E5430 @ 2.66GHz 2.78 GHz 64-Bit Is the memory availability the issue? or is it the processing power? I forsee two options: Change to a larget instance Set up a 2-tier architecture with two micro instances Which of these will give the application better performance? Thanks in advance.

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• Is there a way to create a SyndicationFeed from a String?

  - by Roberto Bonini

  Hi, I'm trying to recreate a SyndicationFeed object (System.ServiceModel.Syndication) from XML data that has been stored locally. If I were working with XMLDocument, this would be easy.I'd call LoadXml(string). The SyndicationFeed will only load from an XMLReader. The XMLReader will only take a Stream or another XMLReader or a TextReader. Since XMLDocument will load a string, I've tried to do this as follows (in the form of a Extension Method): public static SyndicationFeed ToSyndicationFeed(this XmlDocument document) { Stream thestream = Stream.Null; XmlWriter thewriter = XmlWriter.Create(thestream); document.WriteTo(thewriter); thewriter.Flush(); XmlReader thereader = XmlReader.Create(thestream); SyndicationFeed thefeed = SyndicationFeed.Load(thereader); return thefeed; } I can't get this to work. The Stream is always empty even though the XMLDocument is populated with the Feed to be loaded into the SyndicationFeed. Any help or pointers you can give would be most helpful. Thanks, Roberto

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• Calling a Stored Procedure using C# with XML Datatype

  - by Lakeshore

  I am simply trying to call a store procedure (SQL Server 2008) using C# and passing XMLDocument to a store procedure parameter that takes a SqlDbType.Xml data type. I am getting error: Failed to convert parameter value from a XmlDocument to a String. Below is code sample. How do you pass an XML Document to a store procedure that is expecting an XML datatype? Thanks. XmlDocument doc = new XmlDocument(); //Load the the document with the last book node. XmlTextReader reader = new XmlTextReader(@"C:\temp\" + uploadFileName); reader.Read(); // load reader doc.Load(reader); connection.Open(); SqlCommand cmd = new SqlCommand("UploadXMLDoc", connection); cmd.CommandType = CommandType.StoredProcedure; cmd.Parameters.Add("@Year", SqlDbType.Int); cmd.Parameters["@Year"].Value = iYear; cmd.Parameters.Add("@Quarter", SqlDbType.Int); cmd.Parameters["@Quarter"].Value = iQuarter; cmd.Parameters.Add("@CompanyID", SqlDbType.Int); cmd.Parameters["@CompanyID"].Value = iOrganizationID; cmd.Parameters.Add("@FileType", SqlDbType.VarChar); cmd.Parameters["@FileType"].Value = "Replace"; cmd.Parameters.Add("@FileContent", SqlDbType.Xml); cmd.Parameters["@FileContent"].Value = doc; cmd.Parameters.Add("@FileName", SqlDbType.VarChar); cmd.Parameters["@FileName"].Value = uploadFileName; cmd.Parameters.Add("@Description", SqlDbType.VarChar); cmd.Parameters["@Description"].Value = lblDocDesc.Text; cmd.Parameters.Add("@Success", SqlDbType.Bit); cmd.Parameters["@Success"].Value = false; cmd.Parameters.Add("@AddBy", SqlDbType.VarChar); cmd.Parameters["@AddBy"].Value = Page.User.Identity.Name; cmd.ExecuteNonQuery(); connection.Close();

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• flash player: usage

  - by Syom

  i use Adobe flash player in my site, and now i need to increment some filed in database, when user click on player. here is the script <div id="conteiner" style="text-align: center;" ></div> <script type="text/javascript"> var s1 = new SWFObject("player.swf","ply","420","380","9","#FFFFFF"); s1.addParam("allowfullscreen","true"); s1.addParam("allowscriptaccess","always"); s1.addParam("flashvars","file=<?=$video ?>"); s1.write("conteiner"); </script> i deside to use ajax for it, but how can i write a function in the flash object? thanks in advance UPDATE: i only have the swfobject.js file, which contains such data if(typeof deconcept=="undefined"){var deconcept=new Object();} if(typeof deconcept.util=="undefined"){deconcept.util=new Object();} if(typeof deconcept.SWFObjectUtil=="undefined"){deconcept.SWFObjectUtil=new Object();}deconcept.SWFObject=function(_1,id,w,h,_5,c,_7,_8,_9,_a){if(!document.getElementById){return;}this.DETECT_KEY=_a?_a:"detectflash";this.skipDetect=deconcept.util.getRequestParameter(this.DETECT_KEY);this.params=new Object();this.variables=new Object();this.attributes=new Array();if(_1){this.setAttribute("swf",_1);}if(id){this.setAttribute("id",id);}if(w){this.setAttribute("width",w);}if(h){this.setAttribute("height",h);}if(_5){this.setAttribute("version",new deconcept.PlayerVersion(_5.toString().split(".")));}this.installedVer=deconcept.SWFObjectUtil.getPlayerVersion();if(!window.opera&&document.all&&this.installedVer.major>7) ... and the player.swf, and the html, i've shown allready. i don't now is this flash player or no, and what can i do?

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• What's the best way to share folder between guest and host machine in VMWARE over VPN?

  - by melaos

  i have a win 7 host machine and i'm running my vmware which is a win server machine. So i'm doing windows development work on my vmware. the source codes are in my win 7 machine which i access using a shared folder method. My only problem now is when my vmware connects to VPN to the deploy the codes, the folder gets disconnected. as i don't really understand the networking or the vmware architecture, what can i do so that i can share the folder from my win 7 host machine to my vmware without getting disconnected when i connect to VPN using my guest (win server) machine? please advise. stuck on vmware thanks

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• jQuery AJAX call not working in Webkit

  - by Brian

  I've run into a strange issue with Webkit based browsers (both Safari and Chrome - I'm testing on a Mac) and I am not sure what is causing it. Here's a small script I've created that replicates the issue: <html> <head> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script> <script type="text/javascript" language="javascript"> function doRequest() { document.test.submit(); $.ajax({ type: "GET", cache: false, url: 'ajax.php?tmp=1', success: doSuccess }); } function doSuccess(t_data,t_status,req) { alert('Data is: '+ t_data +', XMLHTTPRequest status is: '+ req.status); } </script> </head> <body> <form name="test" method="post" action="ajax.html" enctype="multipart/form-data"> <input type="file" name="file_1"> <br><input type="button" value="upload" onclick="doRequest();"> </form> </body> </html> ajax.php is: <?php echo $_REQUEST['tmp']; ?> This works as is on Firefox, but the XMLHTTPRequest status is always "0" on both Safari and Chrome. If I remove this line: document.test.submit(); then it works, but of course the form is not submitted. I've tried changing the form submit button from "button" to "submit", but that also prevents it from working on Safari or Chrome. What I am trying to accomplish is: submit the form call another script to get status on the file being uploaded via the form (it's for a small upload progress meter). Any help is really appreciated - I'm hopeful it is just a quirk I'm not familiar with. Thanks! Brian

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• Can you add a UITableViewController's TableView to another View?

  - by Dan Harrelson

  I've inserted a UITableViewController and it's corresponding UITableView into a simple IB document. The goal is to include the UITableView inside of a parent UIWindow (or UIView) with other "stuff" (anything really) adorning the table. Here's what that might look like in Interface Builder. http://danharrelson.com/images/skitch/iphone-tableview-3-20090701-205535.png I've tried this numerous times and always get to the same place. Build a working subclass of UITableViewController filled with data Customize the UTableView and it's cells including tap targets Add the newly created UITableViewController into an IB document Drag the UITableView out of the UITableViewController and into the main UIView Wire up the UITableViewController to the UITableView Note: adding the UITableViewController in code results in the same problem When running the app in the iPhone emulator or on a device the table displays correctly, but crashes the first time you try and interact with it. A scroll, a tap, anything crashes the app. This seems to be a delegate problem, like the UITableView doesn't know how to communicate back to the UITableViewController, but I have no idea how to correct the problem. So far I have been able to get by by customizing the tableHeaderView to get layouts that suffice, but I'd really prefer to have the other technique work.

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• How does ARM Cortex A8 compare with a modern x86 processor

  - by thomasrutter

  I was wondering how does a modern ARM chip based on ARM Cortex A8 compare, in clock-for-clock performance and capability, to a modern x86 chip such as a Core 2 Duo or Core i5? I realise due to the different instruction sets it'll depend heavily on what you're doing. To put it another way, rendering a web page in webkit on a 1GHz ARM Cortex A8 based chip should be about equivalent to doing in on a Core i5 at __ MHz? Update October 2013: Since I asked this question years ago it's become a lot more common, when reading about mobile devices, to see architecture-agnostic benchmarks that you can compare across platforms - for example, in-browser benchmarks like Sunspider in Webkit will run on just about anything and you see these in reviews all the time now. And there's things like Geekbench now.

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• Render User Controls and call their Page_Load

  - by David Murdoch

  The following code will not work because the controls (page1, page2, page3) require that their "Page_Load" event gets called. using System; using System.IO; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using iTextSharp.text; using iTextSharp.text.html.simpleparser; using iTextSharp.text.pdf; public partial class utilities_getPDF : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { // add user controls to the page AddContentControl("controls/page1"); AddContentControl("controls/page2"); AddContentControl("controls/page3"); // set up the response to download the rendered PDF... Response.ContentType = "application/pdf"; Response.ContentEncoding = System.Text.Encoding.UTF8; Response.AddHeader("Content-Disposition", "attachment;filename=FileName.pdf"); Response.Cache.SetCacheability(HttpCacheability.NoCache); // get the rendered HTML of the page System.IO.StringWriter stringWrite = new StringWriter(); System.Web.UI.HtmlTextWriter htmlWrite = new HtmlTextWriter(stringWrite); this.Render(htmlWrite); StringReader reader = new StringReader(stringWrite.ToString()); // write the PDF to the OutputStream... Document doc = new Document(PageSize.A4); HTMLWorker parser = new HTMLWorker(doc); PdfWriter.GetInstance(doc, Response.OutputStream); doc.Open(); parser.Parse(reader); doc.Close(); } // the parts are probably irrelevant to the question... private const string contentPage = "~/includes/{0}.ascx"; private void AddContentControl(string page) { content.Controls.Add(myLoadControl(page)); } private Control myLoadControl(string page) { return TemplateControl.LoadControl(string.Format(contentPage, page)); } } So my question is: How can I get the controls HTML?

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• Replacing a Namespace with XSLT

  - by er4z0r

  Hi I want to work around a 'bug' in certain RSS-feeds, which use an incorrect namespace for the mediaRSS module. I tried to do it by manipulating the DOM programmatically, but using XSLT seems more flexible to me. Example: <media:thumbnail xmlns:media="http://search.yahoo.com/mrss" url="http://www.suedkurier.de/storage/pic/dpa/infoline/brennpunkte/4311018_0_merkelxI_24280028_original.large-4-3-800-199-0-3131-2202.jpg" /> <media:thumbnail url="http://www.suedkurier.de/storage/pic/dpa/infoline/brennpunkte/4311018_0_merkelxI_24280028_original.large-4-3-800-199-0-3131-2202.jpg" /> Where the namespace must be http://search.yahoo.com/mrss/ (mind the slash). This is my stylesheet: <?xml version="1.0" encoding="UTF-8"?> <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> <xsl:template match="//*[namespace-uri()='http://search.yahoo.com/mrss']"> <xsl:element name="{local-name()}" namespace="http://search.yahoo.com/mrss/" > <xsl:apply-templates select="@*|*|text()" /> </xsl:element> </xsl:template> </xsl:stylesheet> Unfortunately the result of the transformation is an invalid XML and my RSS-Parser (ROME Library) does not parse the feed anymore: java.lang.IllegalStateException: Root element not set at org.jdom.Document.getRootElement(Document.java:218) at com.sun.syndication.io.impl.RSS090Parser.isMyType(RSS090Parser.java:58) at com.sun.syndication.io.impl.FeedParsers.getParserFor(FeedParsers.java:72) at com.sun.syndication.io.WireFeedInput.build(WireFeedInput.java:273) at com.sun.syndication.io.WireFeedInput.build(WireFeedInput.java:251) ... 8 more What is wrong with my stylesheet?

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• Unable to generate a temporary class (result=1).\r\nerror CS0030:- c#

  - by ltech

  Running XSD.exe on my xml to generate C# class. All works well except on this property public DocumentATTRIBUTES[][] Document { get { return this.documentField; } set { this.documentField = value; } } I want to try and use CollectionBase, and this was my attempt public DocumentATTRIBUTESCollection Document { get { return this.documentField; } set { this.documentField = value; } } /// <remarks/> [System.SerializableAttribute()] [System.Diagnostics.DebuggerStepThroughAttribute()] [System.ComponentModel.DesignerCategoryAttribute("code")] [System.Xml.Serialization.XmlTypeAttribute(AnonymousType = true)] public partial class DocumentATTRIBUTES { private string _author; private string _maxVersions; private string _summary; /// <remarks/> [System.Xml.Serialization.XmlElementAttribute(Form = System.Xml.Schema.XmlSchemaForm.Unqualified)] public string author { get { return _author; } set { _author = value; } } /// <remarks/> [System.Xml.Serialization.XmlElementAttribute(Form = System.Xml.Schema.XmlSchemaForm.Unqualified)] public string max_versions { get { return _maxVersions; } set { _maxVersions = value; } } /// <remarks/> [System.Xml.Serialization.XmlElementAttribute(Form = System.Xml.Schema.XmlSchemaForm.Unqualified)] public string summary { get { return _summary; } set { _summary = value; } } } public class DocumentAttributeCollection : System.Collections.CollectionBase { public DocumentAttributeCollection() : base() { } public DocumentATTRIBUTES this[int index] { get { return (DocumentATTRIBUTES)this.InnerList[index]; } } public void Insert(int index, DocumentATTRIBUTES value) { this.InnerList.Insert(index, value); } public int Add(DocumentATTRIBUTES value) { return (this.InnerList.Add(value)); } } However when I try to serialize my object using XmlSerializer serializer = new XmlSerializer(typeof(DocumentMetaData)); I get the error: {"Unable to generate a temporary class (result=1).\r\nerror CS0030: Cannot convert type 'DocumentATTRIBUTES' to 'DocumentAttributeCollection'\r\nerror CS1502: The best overloaded method match for 'DocumentAttributeCollection.Add(DocumentATTRIBUTES)' has some invalid arguments\r\nerror CS1503: Argument '1': cannot convert from 'DocumentAttributeCollection' to 'DocumentATTRIBUTES'\r\n"}

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• Is the Cloud ready for an Enterprise Java web application? Seeking a JEE hosting advice.

  - by Jakub Holý

  Greetings to all the smart people around here! I'd like to ask whether it is feasible or a good idea at all to deploy a Java enterprise web application to a Cloud such as Amazon EC2. More exactly, I'm looking for infrastructure options for an application that shall handle few hundred users with long but neither CPU nor memory intensive sessions. I'm considering dedicated servers, virtual private servers (VPSs) and EC2. I've noticed that there is a project called JBoss Cloud so people are working on enabling such a deployment, on the other hand it doesn't seem to be mature yet and I'm not sure that the cloud is ready for this kind of applications, which differs from the typical cloud-based applications like Twitter. Would you recommend to deploy it to the cloud? What are the pros and cons? The application is a Java EE 5 web application whose main function is to enable users to compose their own customized Product by combining the available Parts. It uses stateless and stateful session beans and JPA for persistence of entities to a RDBMS and fetches information about Parts from the company's inventory system via a web service. Aside of external users it's used also by few internal ones, who are authenticated against the company's LDAP. The application should handle around 300-400 concurrent users building their product and should be reasonably scalable and available though these qualities are only of a medium importance at this stage. I've proposed an architecture consisting of a firewall (FW) and load balancer supporting sticky sessions and https (in the Cloud this would be replaced with EC2's Elastic Load Balancing service and FW on the app. servers, in a physical architecture the load-balancer would be a HW), then two physical clustered application servers combined with web servers (so that if one fails, a user doesn't loose his/her long built product) and finally a database server. The DB server would need a slave backup instance that can replace the master instance if it fails. This should provide reasonable availability and fault tolerance and provide good scalability as long as a single RDBMS can keep with the load, which should be OK for quite a while because most of the operations are done in the memory using a stateful bean and only occasionally stored or retrieved from the DB and the amount of data is low too. A problematic part could be the dependency on the remote inventory system webservice but with good caching of its outputs in the application it should be OK too. Unfortunately I've only vague idea of the system resources (memory size, number and speed of CPUs/cores) that such an "average Java EE application" for few hundred users needs. My rough and mostly unfounded estimate based on actual Amazon offerings is that 1.7GB and a single, 2-core "modern CPU" with speed around 2.5GHz (the High-CPU Medium Instance) should be sufficient for any of the two application servers (since we can handle higher load by provisioning more of them). Alternatively I would consider using the Large instance (64b, 7.5GB RAM, 2 cores at 1GHz) So my question is whether such a deployment to the cloud is technically and financially feasible or whether dedicated/VPS servers would be a better option and whether there are some real-world experiences with something similar. Thank you very much! /Jakub Holy PS: I've found the JBoss EAP in a Cloud Case Study that shows that it is possible to deploy a real-world Java EE application to the EC2 cloud but unfortunately there're no details regarding topology, instance types, or anything :-(

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• Non-Relational Database Design

  - by Ian Varley

  I'm interested in hearing about design strategies you have used with non-relational "nosql" databases - that is, the (mostly new) class of data stores that don't use traditional relational design or SQL (such as Hypertable, CouchDB, SimpleDB, Google App Engine datastore, Voldemort, Cassandra, SQL Data Services, etc.). They're also often referred to as "key/value stores", and at base they act like giant distributed persistent hash tables. Specifically, I want to learn about the differences in conceptual data design with these new databases. What's easier, what's harder, what can't be done at all? Have you come up with alternate designs that work much better in the non-relational world? Have you hit your head against anything that seems impossible? Have you bridged the gap with any design patterns, e.g. to translate from one to the other? Do you even do explicit data models at all now (e.g. in UML) or have you chucked them entirely in favor of semi-structured / document-oriented data blobs? Do you miss any of the major extra services that RDBMSes provide, like relational integrity, arbitrarily complex transaction support, triggers, etc? I come from a SQL relational DB background, so normalization is in my blood. That said, I get the advantages of non-relational databases for simplicity and scaling, and my gut tells me that there has to be a richer overlap of design capabilities. What have you done? FYI, there have been StackOverflow discussions on similar topics here: the next generation of databases changing schemas to work with Google App Engine choosing a document-oriented database

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• HTML5 for IE6.0

  - by marharépa

  Hello! Do you know any method to optimize this HTML Code to IE6 or 7 (or 8) without adding any HTML elements, or the IE is skipping all the HTML5 elements? If i just want to format elements with CSS, - i dont want to use other features - is the document.createElement("nav") DOM element create enough to scam IE and make a plain HTML document? <!DOCTYPE HTML> <head> <meta charset="UTF-8"> <title>title</title> <link type="text/css" rel="stylesheet" href="reset.css"> <link type="text/css" rel="stylesheet" href="style.css"> </head> <body> <header>code of header</header> <nav> code of nav </nav> <section> code of gallery </section> <article> code of article </article> <footer>code of footer</footer> </body> </html> Thank you.

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• Programming R/Sweave for proper \Sexpr output

  - by deoksu

  Hi I'm having a bit of a problem programming R for Sweave, and the #rstats twitter group often points here, so I thought I'd put this question to the SO crowd. I'm an analyst- not a programmer- so go easy on me my first post. Here's the problem: I am drafting a survey report in Sweave with R and would like to report the marginal returns in line using \Sexpr{}. For example, rather than saying: Only 14% of respondents said 'X'. I want to write the report like this: Only \Sexpr{p.mean(variable)}$\%$ of respondents said 'X'. The problem is that Sweave() converts the results of the expression in \Sexpr{} to a character string, which means that the output from expression in R and the output that appears in my document are different. For example, above I use the function 'p.mean': p.mean<- function (x) {options(digits=1) mmm<-weighted.mean(x, weight=weight, na.rm=T) print(100*mmm) } In R, the output looks like this: p.mean(variable) >14 but when I use \Sexpr{p.mean(variable)}, I get an unrounded character string (in this case: 13.5857142857143) in my document. I have tried to limit the output of my function to 'digits=1' in the global environment, in the function itself, and and in various commands. It only seems to contain what R prints, not the character transformation that is the result of the expression and which eventually prints in the LaTeX file. as.character(p.mean(variable)) >[1] 14 >[1] "13.5857142857143" Does anyone know what I can do to limit the digits printed in the LaTeX file, either by reprogramming the R function or with a setting in Sweave or \Sexpr{}? I'd greatly appreciate any help you can give. Thanks, David

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• IE9 selectAllChildren on an out-of-view element

  - by MrSlayer

  I am trying to replicate a service that is provided by Tynt.com that appends some text to a user's selection when copying. I understand that users don't particularly like this, but it is a client's request to append the URL and copyright notice whenever a user copies something from their website. In current browsers, I am able to do this by creating a DOM element, adding the selected text, appending the copyright text and then selecting the new node: var newSelection = document.createElement( 'div' ); newSelection.style.cssText = "height: 1px; width: 1px; overflow: hidden;"; if( window.getSelection ) { var selection = window.getSelection( ); if( selection.getRangeAt ) { var range = selection.getRangeAt( 0 ); newSelection.appendChild( range.cloneContents( ) ); appendCopyright( ); document.body.appendChild( newSelection ); selection.selectAllChildren( newSelection ); // ... remove element, return selection } } In IE9, this errors out on the selection.selectAllChildren( newSelection ) statement and I was able to figure out that this is because newSelection was effectively "hidden" from the viewport due to the styles applied in the second line above. Commenting that out works, but obviously the new node is shown to the end user. It appears that this was resolved in later versions of IE, but I am having trouble coming up with a workaround that is sufficient for IE9, a browser that I need to support. I've tried a variety of alternatives, like setting visibility: hidden;, positioning it off-screen, and trying some alternative selection functions, but they each present different problems. The error thrown by IE is: SCRIPT16389: Unspecified error.

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• saxon java xpath exception :

  - by changed

  Hi I am trying to read XPath queries from a file and run it against a xml data file. I am doing it through Saxon Xpath processor. But i keep getting this error. Code i am using is from sample code provided with the library. Error i am getting is : Exception in thread "main" javax.xml.xpath.XPathExpressionException: Supplied node must be built using the same or a compatible Configuration at net.sf.saxon.xpath.XPathExpressionImpl.evaluate(XPathExpressionImpl.java:283) at net.sf.saxon.xpath.XPathExpressionImpl.evaluate(XPathExpressionImpl.java:375) at edu.xml.XPathExample.go(XPathExample.java:81) at edu.xml.XPathExample.main(XPathExample.java:42) - public void go(String filename) throws Exception { XPathExpression findLine = null; String readLine = null; Object document = new XPathEvaluator().setSource(new StreamSource(new File(dataPath))); System.setProperty("javax.xml.xpath.XPathFactory:" + NamespaceConstant.OBJECT_MODEL_SAXON, "net.sf.saxon.xpath.XPathFactoryImpl"); XPathFactory xpf = XPathFactory.newInstance(NamespaceConstant.OBJECT_MODEL_SAXON); XPath xpe = xpf.newXPath(); if (filename != null) { this.queryPath = filename; } try { fileReader = new BufferedReader(new FileReader(queryPath)); } catch (FileNotFoundException ex) { System.out.println("File not found: " + ex.getMessage()); } xpe.setXPathVariableResolver(this); while (true) { try { readLine = fileReader.readLine(); } catch (IOException ex) { System.out.println("Error while reading file: " + ex.getMessage()); } if (readLine == null) { break; } findLine = xpe.compile(readLine); String resultString = findLine.evaluate(document); System.out.println("<output>"); System.out.println("String Value => " + resultString); System.out.println("</output>"); } }

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• VPN Network intermittantly fails to provide internet: What could be possible causes

  - by Jake M

  We have a small office with our own VPN setup. We occasionally experience failures in our internet connection where we cannot access the internet. Most of the time the internet connection will resume by itself(without me doing anything) after a period of time(10 mins). Would you be able to suggest possible causes of the connection failure so I can then go and run some tests? Our network architecture is like so: A 'Billion' brand router that is connected to the internet via phone cable and then connected to our Cisco Switch A Cisco Switch/Bus which is connected to all our office nodes, our external harddrive and also to our router as stated above. All connections are via ethernet cable A series of work computers(nodes) connected via ethernet cable to the Cisco switch. Our ISP is TPG Australia We have a Virtual Private Network All the ethernet cables are about 3 years old Do you think that the causes of our intermittant connection problems could be due to the following: Data collisions in the ethernet cables Old/Faulty ethernet cables Our ISP has bad service Can you think of any other causes of the problem?

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• FireFox Toolbar Prefwindow unload/acceptdialog Event to Update the toolbar

  - by Mark

  Hi all, I'm trying to develop a firefox toolbar ;) so my structure is In the options.xul is an PrefWindow which i'm opening over an <toolbarbutton oncommand="esbTb_OpenPreferences()"/> function esbTb_OpenPreferences() { window.openDialog("chrome://Toolbar/content/options.xul", "einstellungen", "chrome,titlebar,toolbar,centerscreen,modal", this);} so in my preferences i can set some checkboxes which indicates what links are presented in my toolbar. So when the preferences window is Closed or the "Ok" button is hitted I want to raise an event or an function which updates via DOM my toolbar. So this is the function which is called when the toolbar is loaded. It sets the links visibility of the toolbar. function esbTB_LoadMenue() { var MenuItemNews = document.getElementById("esbTb_rss_reader"); var MenuItemEservice = document.getElementById("esbTb_estv"); if (!(prefManager.getBoolPref("extensions.esbtoolbar.ShowNews"))) { MenuItemNews.style.display = 'none'; } if (!(prefManager.getBoolPref("extensions.esbtoolbar.ShowEservice"))) { MenuItemEservice.style.display = 'none'; } } So I tried some thinks like adding an eventlistener to the dialog which doesn't work... in the way I tried... And i also tried to hand over the window object from the root window( the toolbar) as an argument of the opendialog function changed the function to this. function esbTB_LoadMenue(RootWindow) { var MenuItemNews = RootWindow.getElementById("esbTb_rss_reader"); var MenuItemEservice = RootWindow.getElementById("esbTb_estv");} And then tried to Access the elements over the handover object, but this also not changed my toolbar at runtime. So what i'm trying to do is to change the visibile links in my toolbar during the runtime and I don't get it how I should do that... thanks in advance

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• Why doesn't onkeydown working properly on IE?

  - by Fabian

  function checkEnter(event) { var charcode; if (event && event.which) { charcode = event.which; alert("Case 1. event.which is " + charcode); } else if (event && !event.which) { charcode = event.keyCode; alert("Case 2. event.keyCode is " + charcode); } document.getElementById("text1").value=""; } <input type="text" id="text1" onkeyup="checkEnter(event)" /> The above function works on both IE7 and Chrome. function checkKeyPressed() { document.onkeydown = function(event) { var charcode; if (event && event.which) { charcode = event.which; alert("charcode is " + charcode); } else if (event && !event.which) { charcode = event.keyCode; alert("charcode (keyCode) is " + charcode); } } } <input type="button" id="button1" onclick="checkKeyPressed(event)" value="Button" /> However this one works only in Chrome. Any idea why?

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• Cannot find CFML template for custom tag

  - by jerrygarciuh

  Hi folks, I am not a ColdFusion coder. Doing a favor for a friend who ported his CF site from a Windows server to Unix on GoDaddy. Site is displaying error: Cannot find CFML template for custom tag jstk. ColdFusion attempted looking in the tree of installed custom tags but did not find a custom tag with this name. The site as I found it has at document root /CustomTags with the jstk.cfm file and a set of files in cf_jstk My Googling located this You must store custom tag pages in any one of the following: The same directory as the calling page; The cfusion\CustomTags directory; A subdirectory of the cfusion\CustomTags directory; A directory that you specify in the ColdFusion Administrator So I have Tried creating placing /CustomTags in /cfusion/CustomTags Tried copying /cfusion/CustomTags to above document root Tried copying jstk.cfm and subfolders into same directory as calling file(index.cfm). Update: Per GoDaddy support I have also tried adding the following to no effect: Can any one give me some tips on this or should I just tell my guy to look for a CF coder? Thanks! JG

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• Detecting browser capabilities and selective events for mouse and touch

  - by skidding

  I started using touch events for a while now, but I just stumbled upon quite a problem. Until now, I checked if touch capabilities are supported, and applied selective events based on that. Like this: if(document.ontouchmove === undefined){ //apply mouse events }else{ //apply touch events } However, my scripts stopped working in Chrome5 (which is currently beta) on my computer. I researched it a bit, and as I expected, in Chrome5 (as opposed to older Chrome, Firefox, IE, etc.) document.ontouchmove is no longer undefined but null. At first I wanted to submit a bug report, but then I realized: There are devices that have both mouse and touch capabilities, so that might be natural, maybe Chrome now defines it because my OS might support both types of events. So the solutions seems easy: Apply BOTH event types. Right? Well the problem now take place on mobile. In order to be backward compatible and support scripts that only use mouse events, mobile browsers might try to fire them as well (on touch). So then with both mouse and touch events set, a certain handler might be called twice every time. What is the way to approach this? Is there a better way to check and apply selective events, or must I ignore the problems that might occur if browsers fire both touch and mouse events at times?

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• PHP SOAP error: Method element needs to belong to the namespace

  - by kdm

  I'm unable to retrieve data from an XML document, any help is greatly appreciated. I'm using PHP 5.2.10 and the WSDL url is an internal link within my company. The following code produces an error. $url = "http://dta-info/IVR/IVRINFO?WSDL"; $params = array("zANI" => "12345"); try{ $client = new SoapClient($url, array( 'trace' => 1, 'connection_timeout' => 2, 'location' => $url ) ); }catch(SoapFault $fault){ echo "faultstring: {$fault->faultstring})\n"; } try{ $result = $client->GetIVRinfo($params); }catch(SoapFault $fault){ echo "(faultcode: {$fault->faultcode}, faultstring: {$fault->faultstring} )\n"; } (faultcode: SOAP-ENV:Client, faultstring: There should be no path or parameters after a SOAP vname. ) So i tried to use a non-wsdl mode but i receive a different error no matter how i try to format the params. $url = "http://dta-info/IVR/IVRINFO"; $params = array("zANI" => "12345"); try{ $client = new SoapClient(null, array( 'trace' => 1, 'connection_timeout' => 2, 'location' => $url, 'uri' => $uri, 'style' => SOAP_DOCUMENT, 'use' => SOAP_LITERAL, 'soap_version' => SOAP_2 ) ); }catch(SoapFault $fault){ echo "faultstring: {$fault->faultstring})\n"; } try{ $result = $client->GetIVRinfo($params); }catch(SoapFault $fault){ echo "(faultcode: {$fault->faultcode}, faultstring: {$fault->faultstring} )\n"; } (faultcode: SOAP-ENV:Client, faultstring: The method element needs to belong to the namespace 'http://GETIVRINFO/IVR/IVRINFO'. ) I have tested this WSDL with a tool called SoapUI and it returns the results with no errors. So it leads me to believe I'm not formatting the vars or headers correctly with PHP. I also tried passing in a xml fragment as the param but that returns the same error. What am i doing wrong?????? $params = '<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ivr="http://GETIVRINFO/IVR/IVRINFO"> <soapenv:Header/> <soapenv:Body> <ivr:GetIVRinfo> <!--Optional:--> <ivr:zANI>12345</ivr:zANI> </ivr:GetIVRinfo> </soapenv:Body> </soapenv:Envelope>'; Here is the WSDL document: <?xml version="1.0"?><wsdl:definitions name="IVR" targetNamespace="http://GETIVRINFO/IVR/IVRINFO" xmlns:tns="http://GETIVRINFO/IVR/IVRINFO" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:sql="http://schemas.microsoft.com/SQLServer/2001/12/SOAP" xmlns:sqltypes="http://schemas.microsoft.com/SQLServer/2001/12/SOAP/types" xmlns:sqlmessage="http://schemas.microsoft.com/SQLServer/2001/12/SOAP/types/SqlMessage" xmlns:sqlresultstream="http://schemas.microsoft.com/SQLServer/2001/12/SOAP/types/SqlResultStream"> <wsdl:types><xsd:schema targetNamespace='http://schemas.microsoft.com/SQLServer/2001/12/SOAP/types' elementFormDefault='qualified' attributeFormDefault='qualified'> <xsd:import namespace='http://www.w3.org/2001/XMLSchema'/> <xsd:simpleType name='nonNegativeInteger'> <xsd:restriction base='xsd:int'> <xsd:minInclusive value='0'/> </xsd:restriction> </xsd:simpleType> <xsd:attribute name='IsNested' type='xsd:boolean'/> <xsd:complexType name='SqlRowSet'> <xsd:sequence> <xsd:element ref='xsd:schema'/> <xsd:any/> </xsd:sequence> <xsd:attribute ref='sqltypes:IsNested'/> </xsd:complexType> <xsd:complexType name='SqlXml' mixed='true'> <xsd:sequence> <xsd:any/> </xsd:sequence> </xsd:complexType> <xsd:simpleType name='SqlResultCode'> <xsd:restriction base='xsd:int'> <xsd:minInclusive value='0'/> </xsd:restriction> </xsd:simpleType> </xsd:schema> <xsd:schema targetNamespace='http://schemas.microsoft.com/SQLServer/2001/12/SOAP/types/SqlMessage' elementFormDefault='qualified' attributeFormDefault='qualified'> <xsd:import namespace='http://www.w3.org/2001/XMLSchema'/> <xsd:import namespace='http://schemas.microsoft.com/SQLServer/2001/12/SOAP/types'/> <xsd:complexType name='SqlMessage'> <xsd:sequence minOccurs='1' maxOccurs='1'> <xsd:element name='Class' type='sqltypes:nonNegativeInteger'/> <xsd:element name='LineNumber' type='sqltypes:nonNegativeInteger'/> <xsd:element name='Message' type='xsd:string'/> <xsd:element name='Number' type='sqltypes:nonNegativeInteger'/> <xsd:element name='Procedure' type='xsd:string'/> <xsd:element name='Server' type='xsd:string'/> <xsd:element name='Source' type='xsd:string'/> <xsd:element name='State' type='sqltypes:nonNegativeInteger'/> </xsd:sequence> <xsd:attribute ref='sqltypes:IsNested'/> </xsd:complexType> </xsd:schema> <xsd:schema targetNamespace='http://schemas.microsoft.com/SQLServer/2001/12/SOAP/types/SqlResultStream' elementFormDefault='qualified' attributeFormDefault='qualified'> <xsd:import namespace='http://www.w3.org/2001/XMLSchema'/> <xsd:import namespace='http://schemas.microsoft.com/SQLServer/2001/12/SOAP/types'/> <xsd:import namespace='http://schemas.microsoft.com/SQLServer/2001/12/SOAP/types/SqlMessage'/> <xsd:complexType name='SqlResultStream'> <xsd:choice minOccurs='1' maxOccurs='unbounded'> <xsd:element name='SqlRowSet' type='sqltypes:SqlRowSet'/> <xsd:element name='SqlXml' type='sqltypes:SqlXml'/> <xsd:element name='SqlMessage' type='sqlmessage:SqlMessage'/> <xsd:element name='SqlResultCode' type='sqltypes:SqlResultCode'/> </xsd:choice> </xsd:complexType> </xsd:schema> <xsd:schema targetNamespace="http://GETIVRINFO/IVR/IVRINFO" elementFormDefault="qualified" attributeFormDefault="qualified"> <xsd:import namespace="http://www.w3.org/2001/XMLSchema"/> <xsd:import namespace="http://schemas.microsoft.com/SQLServer/2001/12/SOAP/types"/> <xsd:import namespace="http://schemas.microsoft.com/SQLServer/2001/12/SOAP/types/SqlMessage"/> <xsd:import namespace="http://schemas.microsoft.com/SQLServer/2001/12/SOAP/types/SqlResultStream"/> <xsd:element name="GetIVRinfo"> <xsd:complexType> <xsd:sequence> <xsd:element minOccurs="0" maxOccurs="1" name="zANI" type="xsd:string" nillable="true"/> </xsd:sequence> </xsd:complexType> </xsd:element> <xsd:element name="GetIVRinfoResponse"> <xsd:complexType> <xsd:sequence> <xsd:element minOccurs="1" maxOccurs="1" name="GetIVRinfoResult" type="sqlresultstream:SqlResultStream"/> </xsd:sequence> </xsd:complexType> </xsd:element> </xsd:schema> </wsdl:types> <wsdl:message name="GetIVRinfoIn"> <wsdl:part name="parameters" element="tns:GetIVRinfo"/> </wsdl:message> <wsdl:message name="GetIVRinfoOut"> <wsdl:part name="parameters" element="tns:GetIVRinfoResponse"/> </wsdl:message> <wsdl:portType name="SXSPort"> <wsdl:operation name="GetIVRinfo"> <wsdl:input message="tns:GetIVRinfoIn"/> <wsdl:output message="tns:GetIVRinfoOut"/> </wsdl:operation> </wsdl:portType> <wsdl:binding name="SXSBinding" type="tns:SXSPort"> <soap:binding style="document" transport="http://schemas.xmlsoap.org/soap/http"/> <wsdl:operation name="GetIVRinfo"> <soap:operation soapAction="http://GETIVRINFO/IVR/IVRINFO/GetIVRinfo" style="document"/> <wsdl:input> <soap:body use="literal"/> </wsdl:input> <wsdl:output> <soap:body use="literal"/> </wsdl:output> </wsdl:operation> </wsdl:binding> <wsdl:service name="IVR"> <wsdl:port name="SXSPort" binding="tns:SXSBinding"> <soap:address location="http://GETIVRINFO/IVR/IVRINFO"/> </wsdl:port> </wsdl:service> </wsdl:definitions>

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• Lucene HTMLFormatter skipping last character

  - by Midhat

  I have this simple Lucene search code (Modified from http://www.lucenetutorial.com/lucene-in-5-minutes.html) class Program { static void Main(string[] args) { StandardAnalyzer analyzer = new StandardAnalyzer(); Directory index = new RAMDirectory(); IndexWriter w = new IndexWriter(index, analyzer, true, IndexWriter.MaxFieldLength.UNLIMITED); addDoc(w, "Table 1 <table> content </table>"); addDoc(w, "Table 2"); addDoc(w, "<table> content </table>"); addDoc(w, "The Art of Computer Science"); w.Close(); String querystr = "table"; Query q = new QueryParser("title", analyzer).Parse(querystr); Lucene.Net.Search.IndexSearcher searcher = new Lucene.Net.Search.IndexSearcher(index); Hits hitsFound = searcher.Search(q); SimpleHTMLFormatter formatter = new SimpleHTMLFormatter("*", "*"); Highlighter highlighter = null; highlighter = new Highlighter(formatter, new QueryScorer(searcher.Rewrite(q))); for (int i = 0; i < hitsFound.Length(); i++) { Console.WriteLine(highlighter.GetBestFragment(analyzer, "title", hitsFound.Doc(i).Get("title"))); // Console.WriteLine(hitsFound.Doc(i).Get("title")); } Console.ReadKey(); } private static void addDoc(IndexWriter w, String value) { Document doc = new Document(); doc.Add(new Field("title", value, Field.Store.YES, Field.Index.ANALYZED)); w.AddDocument(doc); } } The highlighted results always seem to skip the closing '' of my last table tag. Any suggestions?

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• How to start a marquee with JavaScript based on user input?

  - by APShredder

  Hello everybody. I am trying to use JavaScript to start a marquee when a user puts their name into a textbox and then clicks a button. I've got an idea as to how to do it, but my script never fully works. Any help is appreciated! Here's what I have so far: <!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></title> <script type="text/javascript"> function StartMarquee() { var text = document.getElementById(namebox); if (text != null) { document.write("<marquee behavior='scroll' direction='right'>Hello " + text + "!</marquee>"); } else { alert("Enter your name first!!!"); } } </script> </head> <body> <table style="margin:0px auto 0px auto;"> <tr><td>Enter your name!</td> <td><input type="text" id="namebox"/></td> <td><input type="button" value="Enter" onclick="StartMarquee()"/></td></tr> </table> </body> </html>

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