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• Java - SAX parser on a XHTML document

  - by Peter

  Hey, I'm trying to write a SAX parser for an XHTML document that I download from the web. At first I was having a problem with the doctype declaration (I found out from here that it was because W3C have intentionally blocked access to the DTD), but I fixed that with: XMLReader reader = parser.getXMLReader(); reader.setFeature("http://apache.org/xml/features/disallow-doctype-decl",true); However, now I'm experiencing a second problem. The SAX parser throws an exception when it reaches some Javascript embedded in the XHTML document: <script type="text/javascript" language="JavaScript"> function checkForm() { answer = true; if (siw && siw.selectingSomething) answer = false; return answer; }// </script> Specifically the parser throws an error once it reaches the &&'s, as it's expecting an entity reference. The exact exception is: `org.xml.sax.SAXParseException: The entity name must immediately follow the '&' in the entity reference. at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:198) at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.fatalError(ErrorHandlerWrapper.java:177) at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:391) at com.sun.org.apache.xerces.internal.impl.XMLScanner.reportFatalError(XMLScanner.java:1390) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanEntityReference(XMLDocumentFragmentScannerImpl.java:1814) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:3000) at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:624) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:486) at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:810) at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:740) at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:110) at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1208) at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:525) at MLIAParser.readPage(MLIAParser.java:55) at MLIAParser.main(MLIAParser.java:75)` I suspect (but I don't know) that if I hadn't disabled the DTD then I wouldn't get this error. So, how can I avoid the DTD error and avoid the entity reference error? Cheers, Pete

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• Display part of an XML file while parsing it

  - by Andy M

  Hey, Consider the following XML file : <cookbook> <recipe xml:id="MushroomSoup"> <title>Quick and Easy Mushroom Soup</title> <ingredient name="Fresh mushrooms" quantity="7" unit="pieces"/> <ingredient name="Garlic" quantity="1" unit="cloves"/> </recipe> <recipe xml:id="AnotherRecipe"> <title>XXXXXXX</title> <ingredient name="Tomatoes" quantity="8" unit="pieces"/> <ingredient name="PineApples" quantity="2" unit="cloves"/> </recipe> </cookbook> Let's say I want to parse this file and gather each recipe as XML, each one as a separated QString. For example, I would like to have a QString that contains : <recipe xml:id="MushroomSoup"> <title>Quick and Easy Mushroom Soup</title> <ingredient name="Fresh mushrooms" quantity="7" unit="pieces"/> <ingredient name="Garlic" quantity="1" unit="cloves"/> </recipe> How could I do this ? Do you guys know a quick and clean method to perform this ? Thanks in advance for your help !

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• How to debug jQuery ajax POST to .NET webservice

  - by Nick

  Hey all. I have a web service that I have published locally. I wrote an HTML page to test the web service. The webservice is expecting a string that will be XML. When I debug the web service from within VS everything works great. I can use FireBug and see that my web service is indeed being hit by they AJAX call. After deploying the web service locally to IIS it does not appear to be working. I need to know the best way to trouble shoot this problem. My AJAX js looks like this: function postSummaryXml(data) { $.ajax({ type: 'POST', url: 'http://localhost/collection/services/datacollector.asmx/SaveSummaryDisplayData', data: { xml: data }, error: function(result) { alert(result); }, success: function(result) { alert(result); } }); The web method looks like so: [WebMethod] public string SaveSummaryDisplayData(string xml) { XmlDocument xmlDocument = new XmlDocument(); xmlDocument.LoadXml(xml); XmlParser parser = new XmlParser(xmlDocument); IModel repository = new Repository(); if(repository.AddRecord("TestData",parser.TestValues)) { return "true"; } return "false"; } } I added the return string to the web method in an attempt to ensure that the web-service is really hit from the ajax. The problem is this: In FF the 'Success' function is always called yet the result is always 'NULL'. And the web method does not appear to have worked (no data saved). In IE the 'Error' function is called and the response is server error: 500. I think (believe it or not) IE is giving me a more accurate indication that something is wrong but I cannnot determine what the issue is. Can someone please suggest how I should expose the specific server error message? Thanks for the help!

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• jqGrid - edit function never getting called

  - by dcp

  I'm having a problem with JQGrid using ASP.NET MVC. I'm trying to follow this example (after you go to that link, over on the left side of the page please click Live Data Manipulation, then Edit Row), but my edit function is never getting called (i.e. it's never getting into the $("#bedata").click(function(). Does anyone know what could be the problem? <script type="text/javascript"> var lastsel2; jQuery(document).ready(function() { jQuery("#editgrid").jqGrid({ url: '/Home/GetMovieData/', datatype: 'json', mtype: 'GET', colNames: ['id', 'Movie Name', 'Directed By', 'Release Date', 'IMDB Rating', 'Plot', 'ImageURL'], colModel: [ { name: 'id', index: 'Id', width: 55, sortable: false, hidden: true, editable: false, editoptions: { readonly: true, size: 10} }, { name: 'Movie Name', index: 'Name', width: 250, editable: true, editoptions: { size: 10} }, { name: 'Directed By', index: 'Director', width: 250, align: 'right', editable: true, editoptions: { size: 10} }, { name: 'Release Date', index: 'ReleaseDate', width: 100, align: 'right', editable: true, editoptions: { size: 10} }, { name: 'IMDB Rating', index: 'IMDBUserRating', width: 100, align: 'right', editable: true, editoptions: { size: 10} }, { name: 'Plot', index: 'Plot', width: 150, hidden: false, editable: true, editoptions: { size: 30} }, { name: 'ImageURL', index: 'ImageURL', width: 55, hidden: true, editable: false, editoptions: { readonly: true, size: 10} } ], pager: jQuery('#pager'), rowNum: 5, rowList: [5, 10, 20], sortname: 'id', sortorder: "desc", height: '100%', width: '100%', viewrecords: true, imgpath: '/Content/jqGridCss/redmond/images', caption: 'Movies from 2008', editurl: '/Home/EditMovieData/', caption: 'Movie List' }); }); $("#bedata").click(function() { var gr = jQuery("#editgrid").jqGrid('getGridParam', 'selrow'); if (gr != null) jQuery("#editgrid").jqGrid('editGridRow', gr, { height: 280, reloadAfterSubmit: false }); else alert("Hey dork, please select a row"); }); </script> The relevant HTML is here: <table id="editgrid"> </table> <div id="pager" style="text-align: center;"> </div> <input type="button" id="bedata" value="Edit Selected" />

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• jQuery: Multiple animations with a delay on a set of divs

  - by Waleed

  Hey there, I have a group of 4 divs and I'm looking to use jQuery to animate them once, then have a delay using delay(), and then run another set of animations on them, putting the divs back to their original configuration. Here's the code that I have: //only selectors called 'option1' are affected by delay, and not 'option1 img' or 'option2' $("#option1").showOption1().delay(3000).hideOption1(); //if i don't attach to #option1, delay doesn't work, but the animations that need to happen simultaneously work $(document).showOption1().delay(3000).hideOption1(); jQuery.fn.showOption1 = function(){ $("#option2, #option3, #leftColumn").fadeOut(1000); $("#option1").css("zIndex", "5"); $("#option1").animate({ left: "370px", }, 1500); $("#option1 img").animate({ width: "500px", }, 1500, function(){ $("p.optionText").text('hello'); }); return this; } jQuery.fn.hideOption1 = function(){ $("#option1 img").animate({ width: "175px", }, 1500); $("#option1").animate({ left: "743px", }, 1500); $("#option2, #option3, #leftColumn").fadeIn(2000); $("#option1").css("zIndex", "1"); return this; } I've tried two ways of running these two functions, as seen on lines 2 and 5. In the case of line 2, showOption1() will run fine, but then only $("#option1").animate({ left: "743px", }, 1500); will work from hideOption1() after the delay. The rest of hideOption1() is fired immediately after showOption1() finishes, ignoring the delay. On the other hand, if I run line 5, all the code in hideOption1() runs simultaneously as desired, but ignores the delay entirely, running immediately after showOption1() finishes. How can I have all the code in hideOption1() run simultaneously after the delay? Thanks much in advance!

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• Using jQuery delay() with separate elements

  - by boomturn

  I want to fake a simple animation on page load by sequentially revealing several pngs, each appearing instantly but with unique, precisely timed delay before the next one. Using the latest version of jQuery (1.4.2 at writing), which provides a delay method. My first (braindead) impulse was: $('#image1').show('fast').delay(800); $('#image2').show('fast').delay(1200); $('#image3').show('fast'); Of course all come up simultaneously. jQuery doc examples refer to a single item being chained, not handling multiple items. OK... try again using nested callbacks from show(): $('#image1').show('fast', function() { $('#image2').show('fast', function() { $('#image3').show('fast', function() { }); }); }); Looks ugly (imagine doing 10, also wonder what processor hit would be) but hey, it works sequentially! Without delay though. So... chain delay() after show() using a callback function from it (not even sure if it supports one): $('#image1').show('fast').delay(800, function() { $('#image2').show('fast').delay(1200, function() { $('#image3').show('fast'); }); }); Hm. Opposite result of what I thought might happen: the callback works, but still no delay. So... should I be using some combination of queue and delay instead of nested callbacks? jQuery doc examples for queue again only use one element for example. Guessing this would involve using a custom queue, but am uncertain how to implement this. Or maybe I'm missing a simple way? (For a simple problem!)

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• IE Security Warning with widgets

  - by superexsl

  Hey I'm creating an ASP.NET application which uses Facebook Connect and fbml tags. It also uses the LinkedIn widget. When I run this app in any browser, there are no warnings and everything works. However, in IE, a message like this comes up: Security Warning: The current webpage is trying to open a site in your Trusted sites list. Do you want to allow this? Current site:http://www.facebook.com Trusted site:http://localhost (same for LinkedIn.com). I know how to fix this from a client perspective and to stop the security warning showing up. However, is it possible to ensure this message doesn't come up as it could be off putting for users who don't know how to suppress this warning? I haven't tried uploading it to my webhost, so not sure if this message will appear for everyone in production. However, I always get it on my local machine. (None of my pages use SSL, so I don't think that's the issue. I tried using FB's HTTPS urls but that didn't make a difference). Thanks

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• AS3: doesn't read Atom

  - by Vinzcent

  Hey, I want to read an Atom in Flex. I can see in the debugger that he can read the Atom and that there are entries, I can see each value. So far, so good. But when I want to assign a value from the atom to a variable, he never gives any text. It's always this: "". My code: ch.Name = xml.title; ch.Desc = xml.subtitle; ch.Updated = xml.updated; for each(var entry:XML in xml.entry) { var fee:Feed = new Feed(); fee.Name = entry.title; fee.Url = entry.link.@href; fee.Desc = entry.summary; fee.Updated = entry.updated; fee.Published = entry.published; ch.Children.addItem(fee); } For example this is the value ch.Name gets ch.Name = ""; But that's strange, because I can see in the debugger that it schould be "Tweakers.net". Thanks a lot, Vincent Sorry for my bad English.

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• Problem with javascript onclick function string

  - by StealthRT

  Hey all, i have been trying for a few minutes on this problem and i can not seem to figure out how to correct it. I tend to have the hardest time doing stuff like this when it involves more than one varable within the function. Here is the code: var tempString = "thePrompt('Are you sure you wish to delete this?', 'theDel('" + IDnum + "', '" + theTitle + "', \'" + temperDay + "\', \'" + temperMonth + "\', \'" + temperYear + "\', \'" + DDiff + "\')"; html += "<div id='theTable" + IDnum + "' class='fc-event fc-event-hori fc-corner-left fc-corner-right' style='position:absolute; margin-top: 15px; z-index:8;left:"+left+"px'><div id='apDEL' style='position:relative;width:0px;height:0px;z-index:1000; top:-13px; left:2px; float:left;'><img src='img/xCal.png' width='15' height='15' alt='' border='0' onclick=\"" + tempString + "\" /></div>" + (ETC ETC...) The error i keep getting is this: Error: missing ) after argument list Line: 1, Column: 68 Source Code: thePrompt('Are you sure you wish to delete this posting?', 'theDel('105', '50 points for visiting us today!!!!', '13', '3', '2010', '2') And its pointing to the '105'. As always, any help would be wonderful! :o) David

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• o3d javascript uncaught reference error

  - by David Menard

  hey, im new to javascript and am intersted in creating a small o3d script: <!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> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Test Game Website</title> </head> <body> <script type="text/javascript" src="o3djs/base.js"></script> <script type = "text/javascript" id="myscript"> o3djs.require('o3djs.camera'); window.onload = init; function init(){ document.write("jkjewfjnwle"); } </script> <div align="background"> <div id="game_container" style="margin: 0px auto; clear: both; background-image: url('./tmp.png'); width: 800px; height:600px; padding: 0px; background-repeat: no-repeat; padding-top: 1px;"></div> </div> </body> </html> the browser cant seem to find o3djs/base.js in this line <script type="text/javascript" src="o3djs/base.js"></script> and gives me an uncaught referenceerror at this line o3djs.require('o3djs.camera'); Obviously, because it can't find the o3djs/base.js... I have installed the o3d pluggin from google and they say that should be IT ive tried on firefox, ie and chrome thanks

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• How is jQuery so fast?

  - by ClarkeyBoy

  Hey, I have a rather large application which, on the admin frontend, takes a few seconds to load a page because of all the pageviews that it has to load into objects before displaying anything. Its a bit complex to explain how the system works, but a few of my other questions explains the system in great detail. The main difference between what they say and the current system is that the customer frontend no longer loads all the pageviews into objects when a customer first views the page - it simply adds the pageview to the database and creates an object in an unsynchronised list... to put it simply, when a customer views a page it no longer loads all the pageviews into objects; but the admin frontend still does. I have been working on some admin tools on the customer frontend recently, so if an administrator clicks the description of an item in the catalogue then the right hand column will display statistics and available actions for the selected item. To do this the page which gets loaded (through $('action-container').load(bla bla bla);) into the right hand column has to loop through ALL the pageviews - this ultimately means that ALL the pageviews are loaded into objects if they haven't been already. For some reason this loads really REALLY fast. The difference in speed is only like a second on my dev site, but the live site has thousands of pageviews so the difference is quite big... So my question is: why is it that the admin frontend loads so slowly while using $(bla).load(bla); is so fast? I mean whatever method jQuery uses, can't browsers use this method too and load pages super-fast? Obviously not as someone would've done that by now - but I am interested to know just why the difference is so big... is it just my system or is there a major difference in speed between the browser getting a page and jQuery getting a page? Do other people experience the same kind of differences? Thanks in advance, Regards, Richard

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• java.lang.ClassNotFoundException

  - by user341493

  Hey everyone, I have a java project that I'm working on which was working until a few days ago. I'm not sure what I did to my Eclipse set-up to hose it but now I'm getting a java.lang.ClassNotFoundException when I try to run some code that accesses the google finance api. I've built a small test application that uses the google finance api on its own and that seems to work. So, I think this is a project specific problem. Any help would be greatly appreciated. Here's the stack trace: `ptolemy.kernel.util.IllegalActionException: in .RandomSearch.manager Because: com/google/common/collect/Maps at ptolemy.actor.Manager.execute(Manager.java:472) at ptolemy.actor.Manager.run(Manager.java:1119) at ptolemy.actor.Manager$3.run(Manager.java:1160) Caused by: java.lang.NoClassDefFoundError: com/google/common/collect/Maps at com.google.gdata.wireformats.AltRegistry.(AltRegistry.java:118) at com.google.gdata.wireformats.AltRegistry.(AltRegistry.java:100) at com.google.gdata.client.Service.(Service.java:546) at AtomicBroadcast.GoogleFinance.GooglePortfolioReader.fire(GooglePortfolioReader.java:108) at ptolemy.domains.de.kernel.DEDirector.fire(DEDirector.java:568) at ptolemy.actor.CompositeActor.fire(CompositeActor.java:458) at ptolemy.actor.Manager.iterate(Manager.java:714) at ptolemy.actor.Manager.execute(Manager.java:349) ... 2 more Caused by: java.lang.ClassNotFoundException: com.google.common.collect.Maps at java.net.URLClassLoader$1.run(URLClassLoader.java:217) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:205) at java.lang.ClassLoader.loadClass(ClassLoader.java:319) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294) at java.lang.ClassLoader.loadClass(ClassLoader.java:264) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:332) ... 10 more Caused by: java.lang.NoClassDefFoundError: com/google/common/collect/Maps at com.google.gdata.wireformats.AltRegistry.(AltRegistry.java:118) at com.google.gdata.wireformats.AltRegistry.(AltRegistry.java:100) at com.google.gdata.client.Service.(Service.java:546) at AtomicBroadcast.GoogleFinance.GooglePortfolioReader.fire(GooglePortfolioReader.java:108) at ptolemy.domains.de.kernel.DEDirector.fire(DEDirector.java:568) at ptolemy.actor.CompositeActor.fire(CompositeActor.java:458) at ptolemy.actor.Manager.iterate(Manager.java:714) at ptolemy.actor.Manager.execute(Manager.java:349) at ptolemy.actor.Manager.run(Manager.java:1119) at ptolemy.actor.Manager$3.run(Manager.java:1160) Caused by: java.lang.ClassNotFoundException: com.google.common.collect.Maps at java.net.URLClassLoader$1.run(URLClassLoader.java:217) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:205) at java.lang.ClassLoader.loadClass(ClassLoader.java:319) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294) at java.lang.ClassLoader.loadClass(ClassLoader.java:264) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:332) ... 10 more`

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• Custom Html Helper is not working in asp.net MVC 2.0

  - by chobo2

  Hey I was using this custom html helper in asp.net mvc 1.0 but now I am trying to use it in a 2.0 project and it crashes http://blog.pagedesigners.co.nz/archive/2009/07/15/asp.net-mvc-ndash-validation-summary-with-2-forms-amp-1.aspx This is the error I get. System.MissingMethodException was unhandled by user code Message=Method not found: 'System.String System.Web.Mvc.Html.ValidationExtensions.ValidationSummary(System.Web.Mvc.HtmlHelper)'. Source=CustomHtmlHelpers StackTrace: at CustomHtmlHelpers.ActionValidationSummaryHelper.ActionValidationSummary(HtmlHelper html, String action) at ASP.views_signin_signin_aspx.__RenderContent2(HtmlTextWriter __w, Control parameterContainer) in SignIn.aspx:line 23 at System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) at System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) at System.Web.UI.Control.Render(HtmlTextWriter writer) at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) at System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) at System.Web.UI.Control.RenderControl(HtmlTextWriter writer) at ASP.views_shared_site_master.__Render__control1(HtmlTextWriter __w, Control parameterContainer) Site.Master:line 64 at System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) at System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) at System.Web.UI.Control.Render(HtmlTextWriter writer) at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) at System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) at System.Web.UI.Control.RenderControl(HtmlTextWriter writer) at System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) at System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) at System.Web.UI.Page.Render(HtmlTextWriter writer) at System.Web.Mvc.ViewPage.Render(HtmlTextWriter writer) at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) at System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) at System.Web.UI.Control.RenderControl(HtmlTextWriter writer) at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) InnerException: My other html helpers in the same library do work. I added the namespace into the webconfig.

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• how to return multiple array items using json/jquery

  - by Scarface

  Hey guys, quick question, I have a query that will usually return multiple results from a database, while I know how to return one result, I am not sure how to return multiple in jquery. I just want to take each of the returned results and run them through my prepare function. I have been trying to use 'for' to handle the array of data but I don't think it can work since I am returning different array values. If anyone has any suggestions, I would really appreciate it. JQUERY RETRIEVAL for(i=0; i < json.rows; i++) { $('#users_online').append(online_users(json[i])); $('#online_list-' + count2).fadeIn(1500); } PHP PROCESSING $qryuserscount1="SELECT active_users.username,COUNT(scrusersonline.id) AS rows FROM scrusersonline LEFT JOIN active_users ON scrusersonline.id=active_users.id WHERE topic_id='$topic_id'"; $userscount1=mysql_query($qryuserscount1); while ($row = mysql_fetch_array($userscount1)) { $onlineuser= $row['username']; $rows=$row['rows']; if ($username==$onlineuser){ $str2= "<a href=\"statistics.php?user=$onlineuser\"><div class=\"me\">$onlineuser</div></a>"; } else { $str2= "<b><a href=\"statistics.php?user=$onlineuser\"><div class=\"others\">$onlineuser</div></a></b>"; } $data['rows']=$rows; $data['entry']=$str1.$str2; }

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• WPF RibbonTextBox Width problem

  - by morsanu

  Hey guys, It seems to me that the Ribbon control has a problem with textboxes. I was expecting a common TextBox control behaviour: a fixed width and a visible caret when the text exceeds the width. But the RibbonTextBox control changes its width and when the text exceeds the right limit, the overflow is not visible. I found a hack on a blog that does something like this: var img = SearchButton.Template.FindName("image", SearchButton); if (img != null && img is Image) (img as Image).Visibility = Visibility.Collapsed; var lbl = FindTemplateControl<Label>(SearchText); var border = SearchText.Template.FindName("Bd", SearchText); if (border != null && border is Border && img != null && lbl != null) { (border as Border).Width = SearchText.ActualWidth - (((Image)img).ActualWidth + lbl.ActualWidth); } but I reallly don't want to do such a workaround. Is there any other simpler way to achieve simple TextBox behaviour?

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• General Drools Question

  - by El Guapo

  For the last few months my company has been using a product from a company called Informatica (previously AgentLogic) called RulePoint. This product has proven itself very easy to use with a well-developed and easy-to-use SDK for customization. The way we use the product for CEP is fairly trivial, we have 2 sources which we monitor for our rule data, the first being a JMS Queue, the second being a Jabber IM account. The product runs on any java-based application server (WebLogic, Tomcat, etc) and runs just about flawlessly. Last week my boss says, "Hey, I've heard that we may be able to do the same thing we are doing with RulePoint with an open-source product called Drools. Check it out and let me know what you think." I've heard of people using Drools for flow-based operations (validation, etc), however, I've never heard of anyone using their CEP product (Fusion) in practice. So, being the diligent worker, I have undertaken this task. I've downloaded all the files (version 5.0) and accompanying documentation and have started to read. I've read through just about all the docs and run most of the examples, but I still don't really see HOW drools works for CEP. While there are examples for using Data (or Facts, I guess) from JMS, I don't see how this thing stays "running", continuously monitoring a queue until the application is actually stopped. RulePoint pretty must just sits and listens, however, Drools seems to not. I could probably write a full-blown command-line application for our needs, however, I was hoping to leverage some of the benefits of using a application server provides. I guess I'm looking for some good tutorials or an example of how someone is using Drools and CEP in production. Thanks in advanced for any information, advice you may be able to provide.

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• Using httplib2 in python 3 properly? (Timeout problems)

  - by Sho Minamimoto

  Hey, first time post, I'm really stuck on httplib2. I've been reading up on it from diveintopython3.org, but it mentions nothing about a timeout function. I look up the documentation, but the only thing I see is an ability to put a timeout int but there are no units specified (seconds? milliseconds? What's the default if None?) This is what I have (I also have code to check what the response is and try again, but it's never tried more than once) h = httplib2.Http('.cache', timeout=None) for url in list: response, content = h.request(url) more stuff... So the Http object stays around until some arbitrary time, but I'm downloading a ton of pages from the same server, and after a while, it hangs on getting a page. No errors are thrown, the thing just hangs at a page. So then I try: h = httplib2.Http('.cache', timeout=None) for url in list: try: response, content = h.request(url) except: h = httplib2.Http('.cache', timeout=None) more stuff... But then it recreates another Http object every time (goes down the 'except' path)...I dont understand how to keep getting with the same object, until it expires and I make another. Also, is there a way to set a timeout on an individual request? Thanks for the help!

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• SL 3 navigation not working!

  - by Silver Gun

  Hey Guys I converted all my existing Silverlight app UserControls to Pages so I could use the Navigation Framework. Anyway so I created a UserControl called MyFrame, which would host all the pages. In my App.xaml.cs I have the following to make sure that MyFrame is loaded when the App loads: private void Application_Startup(object sender, StartupEventArgs e) { this.RootVisual = new MyFrame(); } My UriMapper class resides in App.xaml and looks like the following: <navcore:UriMapper x:Key="uriMapper"> <navcore:UriMapping Uri="Login" MappedUri="Login.xaml"> </navcore:UriMapper> Within my 'MyFrame' class, I have the following <StackPanel Orientation="Horizontal"> <StackPanel Orientation="Vertical"> <HyperlinkButton Tag="Login" Content="Login" Click="HyperlinkButton_Click" /> </StackPanel> <StackPanel Orientation="Vertical"> <navigation:Frame x:Name="ContentFrame" Style="{StaticResource ContentFrameStyle}" /> </StackPanel> </StackPanel> And within the callback for my HyperlinkButton's event handler, I have the following: private void HyperlinkButton_Click(object sender, RoutedEventArgs e) { ContentFrame.Navigate(new Uri((sender as HyperlinkButton).Tag.ToString(), UriKind.Relative)); } The Login.xaml file is in my root folder (right under Project). This navigation does not seem to work! The exception I get reads like so: Navigation is only supported to relative URIs that are fragments, or begin with '/', or which contain ';component/'. Parameter name: uri The Login page does not load. There is no problem with Login.xaml as when I set this.RootVisual = new Login(); the page loads just fine. I also tried setting the NavigateUri attribute of the HyperlinkButton to "Login." No cigar. I'll appreciate any help! Thanks a lot in advance

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• Symbolicate adhoc iphone app crashes.

  - by gotye

  Hey everyone, I can't manage to make my code symbolicated ... I read the part "below" : Given a crash report, the matching binary, and its .dSYM file, symbolication is relatively easy. The Xcode Organizer window has a tab for crash reports of the currently selected device. You can view externally received crash reports in this tab - just place them in the appropriate directory. This is the same as the Mac OS X directory described in the first section. It doesn't matter which device you have tethered, but the directory in which you place the crash report must be the directory for the tethered and selected device. It is not necessary to place the binary and .dSYM file in any particular location. Xcode uses Spotlight and the UUID to locate the correct files. It is necessary, though, that both files be in the same directory and that this directory is one that is indexed by Spotlight. Anywhere in your home directory should be fine. But it doesn't work for me ... here is what I did : I opened xcode organizer and I had my iphone device with crash logs App and dsym files are in my xcode project which is on my desktop All the rest should be automatic, right ? but crash logs aren't symbolicated yet ... Any comments welcome. Cheers. Gotye.

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• Java/BlackBerry build error overriding too many classes

  - by behrk2

  Hey everyone, Has anyone ever heard of overriding too many classes in Java? Perhaps this issue is just related to BlackBerry development, but I was wondering if it is an issue in Java, too. Let's say I have the following: LabelField lblTitle = new LabelField(title) { protected void paint(Graphics graphics) { graphics.setColor(0x00FFFFFF); graphics.clear(); super.paint(graphics); } }; LabelField lblSubTitle = new LabelField(releaseYear + ", " + rating) { protected void paint(Graphics graphics) { graphics.setColor(0x00FFFFFF); graphics.clear(); super.paint(graphics); } }; This code works. However, I've noticed that by overriding the paint() method multiple times in many different classes throughout my project, I receive the error: I/O Error: Cannot run program "jar": CreateProcess error=2, The system cannot find the file specified My only solution thus far is to clean up my GUI code...minimize it and reuse it. Perhaps its good that this happened so I can be less careless about creating GUI code all over my classes. Anyways, I was just wondering if anyone has heard of this before. If you are interested in reading more about the issue I have been facing, check out the following link: BlackBerry Java Development Forums

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• Conversion to Dalvik format failed error for Android Grid View

  - by Bub

  Hey Everyone, I'm on the android bandwagon and started going through google's "view" tutorials. Here is what I'm using: Eclipse Galileo Android SDK 2.1 Java SDK 6.Something I think. Everything was hunky-dory until I hit the grid view tutorial. I got errors all over the place when I started editing the "HelloGridview.java" File. I thought I'd fix it by following through with the next part of the tutorial, creating the ImageAdapter class, but it created more. I realized alot of my issues could be resolved by importing widgets which were not mentioned in the tutorial (i.e. android.widget.GridView, .ImageView, .BaseAdapter etc.) However, after all the reconciliation suggested by eclipse the files were finally showing no errors. I go to run it as an android app and bam, "Your project contains error(s)." window comes up. There are no errors showing on the files I've created. I cleared the error log and shut down eclipse and started again the error log now reads: Conversion to Dalvik format failed with error 1. I'm a little lost at this point. I think I've included the required information. If you need to know more let me know. Any help is appreciated.

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• Netbeans and EOF

  - by sqlnoob

  Hey there, Java, ANTLR and Netbeans newbie here. I have installed a jdk and netbeans. I started a new project on netbeans 6.8 and i have added the antlr-3.2.jar as a library. I also created a lexer and parser class using AntlrWorks. These classes are named ExprParser.java and ExprLexer.java. I copied them into a directory named path-to-netbeans-project/src/parsers. I have a main file: package javaapplication2; import org.antlr.runtime.*; import parsers.*; public class Main { public static void main(String[] args) throws Exception{ ANTLRInputStream input = new ANTLRInputStream(System.in); ExprLexer lexer = new ExprLexer(input); CommonTokenStream tokens = new CommonTokenStream(lexer); ExprParser parser = new ExprParser(tokens); parser.prog(); } } The application builds fine. The book I'm reading says I should run the program and type in some stuff and then press Ctrl+Z (I'm on windows) to send EOF to the console. Problem is that nothing happens when I press Ctrl+z in the netbeans console. When I run from the command line, ctrl+z works fine. This is probably WAY too much information, but I can't figure it out. Sorry. Probably not a good idea to learn 3 new technologies at once.

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• Website (jQuery) consistently crashes Internet Explorer (REALLY STUCK!)

  - by Bradley Bell

  Hey Guys. I posted this question yesterday, but haven't had a response. Basically, I'm totally stuck and clueless over crashing in Internet Explorer. The website now works fine in all browsers except internet explorer. The website is heavily reliant on jQuery and as far as I'm aware, I cant spot anything wrong with the script. Internet Explorer displays no errors and I don't know what I can possibly change. It displays fine, which would suggest that its nothing up with the CSS or HTML? I'm fairly sure it has to be the script, because it only crashes when you hover over one of the mouseover links. I'm already over the deadline and time is ticking! Its driving me crazy. I've uploaded it onto a test directory here: www.openyourheart.org.uk/test/index.html (I'll add the script/css links below as a comment, It wont let me post more than one here!) I would reaaly, really appreciate any help on this. I can also send the website compressed and post scripts here if required/preferred. Thanks in advance, Bradley

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• How do I pass an array of structs (containing std:string or BSTR) from ATL to C#. SafeArray? Varian

  - by Andrew

  Hi, I have an ATL COM object that I am using from C#. The interface currently looks like: interface ICHASCom : IDispatch{ [id(1), helpstring("method Start")] HRESULT Start([in] BSTR name, [out,retval] VARIANT_BOOL* result); ... [id(4), helpstring("method GetCount")] HRESULT GetCount([out,retval] LONG* numPorts); ... [id(7), helpstring("method EnableLogging")] HRESULT EnableLogging([in] VARIANT_BOOL enableLogging); }; That is, it's a very simple interface. I also have some events that I send back too. Now, I would like to add something to the interface. In the ATL I have some results, which are currently structs and look like struct REPORT_LINE { string creationDate; string Id; string summary; }; All the members of the struct are std::string. I have an array of these that I need to get back to the C#. What's the best way to do this? I suspect someone is going to say, "hey, you can't just send std::string over COM like that. If so, fine, but what's the best way to modidfy the struct? Change the std::string to BSTR? And then how do I, 1) Set up the IDL to pass an array of structs (structs with BSTR or std::string) 2) If I must use SAFEARRAYS, how do I fill the SAFEARRAYS with the structs. I'm not familiar with COM except for use with simple types. Thanks, Dave

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• Mirth is Not Picking Up Updated JAR File?

  - by ashes999

  I have some Mirth code (javascript) that's consuming one of my Java classes (let's call it SimpleClass). It seems that Mirth is not picking up my changes to my class. SimpleClass used to look something like this: public class Simpleclass { public SimpleClass(String one) { // do something with one } } Now it looks like: public class Simpleclass { public SimpleClass(String one, String two) { // store one and two } public void Execute() { // do something with one and two } } When I try and call SimpleClass with two strings, I get the error "Java constructor for SimpleClass with arguments string, string not found." When I try to run Execute, I get an error similar to "TypeError: method Execute not found." Perplexingly, I can still call SimpleClass("one string") to call the one-string constructor (which is now nowhere to be seen in the code). To get my code to work, I build a JAR file using ant, and deploy it to \\lib\custom. I have tried: Copying the new JAR and restarting Mirth while it's live Copying the new JAR after stopping Mirth, then starting Mirth Looking for other copies of my JAR or Mirth installations (there are none) Unzipping and reverse-engineering the JAR (it has the two-constructor code) Hashing the JAR (it matches what I'm building in ant) Restarting my computer (hey, you never know) I'm at a loss. I'm not sure why I'm not seeing the latest code. My channel has very simple Javascript: var sp = new Packages.com.hs.channel.scarborough.ScarboroughParser("one", "two"); I know it's not a configuration error of any kind, since this used to work (and does still work, albeit with the old code -- single-parameter constructor).

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