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  • Java marshaller performance

    - by cbz
    Hi, I've used JAXB Marshaller as well as my own marshaller for marshalling pure java bean objects into XML. It has been observed that both of them require almost same time to marshal. The performance is not acceptable and needs to be improved. What are possible ways where we can improve performance of marshaller? Like threading?

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  • NSMutableArray of NSString in CoreData(iPhone

    - by azia
    I have a class, which describe an object for parsing XML. This class contains NSStrings and NSMutableArrays of NSStrings.I want to store parsed data using CoreData. How should I write CoreData model to store such objects if there is no such data type like NSMutableArray? Is there any way?

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  • R or Python for file manipulation

    - by danspants
    I have 4 reasonably complex r scripts that are used to manipulate csv and xml files. These were created by another department where they work exclusively in r. My understanding is that while r is very fast when dealing with data, it's not really optimised for file manipulation. Can I expect to get significant speed increases by converting these scripts to python? Or is this something of a waste of time?

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  • Constructor versus setter injection

    - by Chris
    Hi, I'm currently designing an API where I wish to allow configuration via a variety of methods. One method is via an XML configuration schema and another method is through an API that I wish to play nicely with Spring. My XML schema parsing code was previously hidden and therefore the only concern was for it to work but now I wish to build a public API and I'm quite concerned about best-practice. It seems that many favor javabean type PoJo's with default zero parameter constructors and then setter injection. The problem I am trying to tackle is that some setter methods implementations are dependent on other setter methods being called before them in sequence. I could write anal setters that will tolerate themselves being called in many orders but that will not solve the problem of a user forgetting to set the appropriate setter and therefore the bean being in an incomplete state. The only solution I can think of is to forget about the objects being 'beans' and enforce the required parameters via constructor injection. An example of this is in the default setting of the id of a component based on the id of the parent components. My Interface public interface IMyIdentityInterface { public String getId(); /* A null value should create a unique meaningful default */ public void setId(String id); public IMyIdentityInterface getParent(); public void setParent(IMyIdentityInterface parent); } Base Implementation of interface: public abstract class MyIdentityBaseClass implements IMyIdentityInterface { private String _id; private IMyIdentityInterface _parent; public MyIdentityBaseClass () {} @Override public String getId() { return _id; } /** * If the id is null, then use the id of the parent component * appended with a lower-cased simple name of the current impl * class along with a counter suffix to enforce uniqueness */ @Override public void setId(String id) { if (id == null) { IMyIdentityInterface parent = getParent(); if (parent == null) { // this may be the top level component or it may be that // the user called setId() before setParent(..) } else { _id = Helpers.makeIdFromParent(parent,getClass()); } } else { _id = id; } } @Override public IMyIdentityInterface getParent() { return _parent; } @Override public void setParent(IMyIdentityInterface parent) { _parent = parent; } } Every component in the framework will have a parent except for the top level component. Using the setter type of injection, then the setters will have different behavior based on the order of the calling of the setters. In this case, would you agree, that a constructor taking a reference to the parent is better and dropping the parent setter method from the interface entirely? Is it considered bad practice if I wish to be able to configure these components using an IoC container? Chris

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  • Cucumber Failing with Nokogiri

    - by Paul
    I just started using Cucumber and in the simplest of scenarios I throw the following error: undefined method has_key?' for #<Nokogiri::XML::Element:0x10677a400> (NoMethodError) ./features/step_definitions/web_steps.rb:36:in/^(?:|I )fill in "([^"])" with "([^"])"$/' features/authentication.feature:9:in `When I fill in "user_name" with "Joe User"' The Scenario is as follows... Scenario: Signup Given I go to the signup page When I fill in "user_name" with "Joe User" Is this a problem in the Scenario, Cucumber, or Nokogiri? Any Solutions?

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  • Why won't jqGrid populate initially in Chrome

    - by Maxm007
    Hi, I've got a web page with a jqGrid that uses am xmlreader to populate itself with data that is spat out by a RoR service. The page loads fine in firefox and safari. In Chrome however I get a blank grid. Only when I change the sort order by clicking on the columns does it populate. <html> <head> <title>LocalFx</title> <link href="/stylesheets/main.css?1271423251" media="screen" rel="stylesheet" type="text/css" /> <link href="/stylesheets/redmond/jquery-ui-1.8.custom.css?1271404544" media="screen" rel="stylesheet" type="text/css" /> <link href="/stylesheets/ui.jqgrid.css?1265561560" media="screen" rel="stylesheet" type="text/css" /> <script src="/javascripts/jquery-1.3.2.min.js?1259426008" type="text/javascript"></script> <script src="/javascripts/i18n/grid.locale-en.js?1266140090" type="text/javascript"></script> <script src="/javascripts/jquery.jqGrid.min.js?1271437772" type="text/javascript"></script> <script type="text/javascript"> jQuery().ready(function() { jQuery("#list").jqGrid({ xmlReader: { root:"contracts", row:"contract", repeatitems:false, id:"id" }, jsonReader: { repeatitems:false, root:"contracts" }, datatype: 'xml', url:'http://localhost:3000/contracts/index/all.xml', mtype: 'GET', colNames:['User','B/S', 'Currency', 'Amount', 'Rate'], colModel :[ {name:'user', index:'username', width:100 , xmlmap:'user>username'} , {name:'side', index:'side', width:100 , xmlmap:'side'} , {name:'currency', index:'ccy', width:100 , xmlmap:'currency>ccy'} , {name:'amount', index:'amount', width:100 , xmlmap:'amount'}, {name:'rate', index:'rate', width:100 , xmlmap:'exchange-rate>rate'} ], pager: jQuery('#pager'), caption: 'Contracts', sortname: 'side', sortorder: "asc", viewrecords:true, rowNum:10, rowList:[10,20,30] }); $("#list").trigger("reloadGrid") }); </script> </head> <body> <table id="list" align="center" class="scroll"></table> <div id="pager" class="scroll" style="text-align:center;"></div> </body> </html> This is the xml: <contracts type="array"> <contract> <amount type="float">1000.0</amount> <created-at type="datetime">2010-04-16T13:59:40Z</created-at> <currency-id type="integer">488525179</currency-id> <id type="integer">18277852</id> <side>BUY</side> <updated-at type="datetime">2010-04-16T13:59:40Z</updated-at> <user-id type="integer">830138774</user-id> <exchange-rate> <contract-id type="integer">18277852</contract-id> <created-at type="datetime">2010-04-16T13:59:40Z</created-at> <denccy-id type="integer">890731696</denccy-id> <id type="integer">419011264</id> <numccy-id type="integer">488525179</numccy-id> <rate type="float">1.3</rate> <updated-at type="datetime">2010-04-16T13:59:40Z</updated-at> </exchange-rate> <user> <created-at type="datetime">2010-04-16T13:59:40Z</created-at> <id type="integer">830138774</id> <updated-at type="datetime">2010-04-16T13:59:40Z</updated-at> <username>John Doe</username> </user> <currency> <ccy>EUR</ccy> <created-at type="datetime">2010-04-16T13:59:40Z</created-at> <id type="integer">488525179</id> <updated-at type="datetime">2010-04-16T13:59:40Z</updated-at> </currency> </contract> <contract> <amount type="float">500.0</amount> <created-at type="datetime">2010-04-16T13:59:40Z</created-at> <currency-id type="integer">890731696</currency-id> <id type="integer">716237132</id> <side>SELL</side> <updated-at type="datetime">2010-04-16T13:59:40Z</updated-at> <user-id type="integer">830138774</user-id> <exchange-rate> <contract-id type="integer">716237132</contract-id> <created-at type="datetime">2010-04-16T13:59:40Z</created-at> <denccy-id type="integer">890731696</denccy-id> <id type="integer">861902380</id> <numccy-id type="integer">488525179</numccy-id> <rate type="float">1.3</rate> <updated-at type="datetime">2010-04-16T13:59:40Z</updated-at> </exchange-rate> <user> <created-at type="datetime">2010-04-16T13:59:40Z</created-at> <id type="integer">830138774</id> <updated-at type="datetime">2010-04-16T13:59:40Z</updated-at> <username>John Doe</username> </user> <currency> <ccy>GBP</ccy> <created-at type="datetime">2010-04-16T13:59:40Z</created-at> <id type="integer">890731696</id> <updated-at type="datetime">2010-04-16T13:59:40Z</updated-at> </currency> </contract> </contracts>

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  • Can we add a SOAP message handler to a deployed webservice

    - by sachin
    Can we add a SOAP message handler to a deployed webservice, specifically using weblogic server. i am following a tutorial here: http://www.testearly.com/2008/08/14/creating-soap-message-handlers-in-3-simple-steps-part-1/ but is it possible to attach handler at runtime, without using @HandlerChain(file = "LogMessage_handler.xml") annotation?

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  • Scala xhtml attribute breaks because of a question mark

    - by portoalet
    I had a problem with <iframe id="iframe1" src='http://stockcharts.com/h-sc/ui?s=MT&p=D&yr=2&mn=0&dy=0&id=p43321191731' width="300px" height="300px"></iframe> in Lift web framework (Scala) version Message: java.util.NoSuchElementException scala.RandomAccessSeq$$anon$13.next(RandomAccessSeq.scala:165) scala.xml.parsing.MarkupParser$class.normalizeAttributeValue(MarkupParser.scala:1191) It turned out the question mark ? in the iframe src attribute caused this. What can I do to fix this quickly?

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  • How do you unit test a class that's meant to talk to data?

    - by Arda Xi
    I have a few repository classes that are meant to talk to different kinds of data, deriving from an IRepository interface laid out like so: In implementations, the code talks to a data source, be this a directory of XML files or a database or even just a cache. Is it possible to reliably unit test any of these implementations? I don't see a mock implementation working, because then I'm only testing the mock code and not the actual code.

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  • js works inside the page but not in code behind

    - by Cristian Boariu
    Hi guys, I have this function put in a MasterPage, which shows up an mp3 player: <script type="text/javascript"> $(document).ready(function() { var stageW = 500; var stageH = 216; var cacheBuster = Date.parse(new Date()); var flashvars = {}; var params = {}; params.bgcolor = '#F6F6F6'; params.allowfullscreen = 'true'; flashvars.stageW = stageW; flashvars.stageH = stageH; flashvars.pathToFiles = ''; flashvars.settingsPath = '../mp3player/mp3player_settings.xml'; flashvars.xmlPath = '<%# getRestXmlPlayerUrl() %>'; flashvars.keepSelected = 't'; flashvars.selectedWindow = '4'; flashvars.slideshow = 't'; flashvars.imageWidth = '130'; flashvars.imageHeight = '130'; swfobject.embedSWF('swf/preview.swf?t=' + cacheBuster, 'myContent', stageW, stageH, '9.0.124', 'swf/expressInstall.swf', flashvars, params); }); </script> All works great. But, because i have some ajax on the page with update panel, the flash in not rendered when ajax requests occurs so i need to register this function and i've tried something like this: protected void Page_PreRender(object sender, EventArgs e) { Type cstype = this.GetType(); String csnameForPlayer = "applyStyleToMp3Player"; if (!Page.ClientScript.IsClientScriptBlockRegistered(cstype, csnameForPlayer)) { StringBuilder cstextForPlayer = new StringBuilder(); cstextForPlayer.Append(" $(document).ready(function() { " + " var stageW = 500;" + " var stageH = 216;" + " var cacheBuster = Date.parse(new Date());" + " var flashvars = {};" + " var params = {};" + " params.bgcolor = '#F6F6F6';" + " params.allowfullscreen = 'true';" + " flashvars.stageW = stageW;" + " flashvars.stageH = stageH;" + " flashvars.pathToFiles = '';" + " flashvars.settingsPath = '../mp3player/mp3player_settings.xml';" + " flashvars.xmlPath = '<%# getRestXmlPlayerUrl() %>';" + " flashvars.keepSelected = 't';" + " flashvars.selectedWindow = '4';" + " flashvars.slideshow = 't';" + " flashvars.imageWidth = '130';" + " flashvars.imageHeight = '130';" + " swfobject.embedSWF('swf/preview.swf?t=' + cacheBuster, 'myContent', stageW, stageH, '9.0.124', 'swf/expressInstall.swf', flashvars, params);" + "}); "); ScriptManager.RegisterStartupScript(this.Page, this.Page.GetType(), csnameForPlayer, cstextForPlayer.ToString(), true); } } Well, this does not work. The flash player does not appear any more, so, i assume that is something wrong in the cstextForPlayer. I've spent over one hour to figure it out but i've failed. Does anyone see the problem? Thanks in advance.

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  • Hibenate Unknown Entity

    - by Raj
    I have two jar files with hibernate classes mapped. One jar file is perfectly working and for the next jar file it is not mapped. I get Unknown Entity exception. Persistence.xml is good but i dont know why this is happening. Any guess what mite be the issue???

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  • a simple smtp server

    - by fixxxer
    Could you please suggest a simple SMTP server with the very basic APIs(by very basic I mean, to read,write,delete email) that could be run on a linux box? I just need to convert the crux of the email into XML format and FTP it to another machine.

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  • Actionscript base class in Flex AIR app

    - by Alan
    I'm trying to build a Flex AIR app using Flex Builder 3, which I'm just getting started with. In Flash CS4, there's a text field in the authoring environment where you can specify a class that will become the "base" class - your class inherits from Sprite and then "becomes" the Stage at runtime. Is there a a way to do the same thing with Flex/AIR? Failing that, can anyone explain how to create and use an external class? Originally I had this in TestApp.mxml: <?xml version="1.0" encoding="utf-8"?> <mx:WindowedApplication xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute"> <mx:Script source="TestApp.as"/> </mx:WindowedApplication> And this in TestApp.as: package { public class TestApp { public function TestApp() { trace('Hello World'); } } } That gives the error "packages cannot be nested", so I tried taking out the package statement: public class TestApp { public function TestApp() { trace('Hello World'); } } That gives an error "classes cannot be nested", so I finally gave up and tried to take out the class altogether, figuring I'd try to start with a bunch of functions instead: function init() { trace('Hello World'); } But that gives the error "A file found in a source-path must have an externally visible definition. If a definition in the file is meant to be externally visible, please put the definition in a package". I can't win! When I put my class in a package, it says I can't do that because it would be nested. When I don't, it says it needs to be in a package so it can be seen. Does anyone know how to fix this? If I can't do the custom-class-as-base-class thing, is there a way I could just have it like: <?xml version="1.0" encoding="utf-8"?> <mx:WindowedApplication xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute"> <mx:Script source="TestApp.as"/> <mx:Script> var app = new TestApp(); </mx:Script> </mx:WindowedApplication> At the moment I can't import the class definition at all, so even that won't work. Thanks in advance!

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  • some userful 3rd party API's for j2me

    - by Vivart
    Fixed Point Integer Math MathFP kSOAP is a SOAP web service client library for constrained Java environments such as Applets or J2ME applications (CLDC / CDC / MIDP). http://sourceforge.net/projects/ksoap2/ kXML is a lean Common XML API with namespace and WAP support that is intended to fit into the JAVA KVM for limited devices like the Palm Pilot. http://sourceforge.net/projects/kxml/ UI library https://lwuit.dev.java.net/ http://www.j2mepolish.org/cms/

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  • Refactored App Engine project - now Eclipse is infinitely building the project without end

    - by Yog
    I renamed some files in my App Engine project and refactored code, changing references to variables. Everything seemed fine until I changed the references in the web.xml for the project. Then I got a complaint about some error with the DataNucleus enhancer and now the project build process is stuck at 22%. I tried stopping Eclipse and restarting but the build process keeps hanging. Any tips on how to clean out whatever it's getting stuck on?

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  • How to swap WCF deserializer from configuration

    - by JohnIdol
    I have a problem with WCF deserialization where the client hangs on the response for more than a minute. I'd like to try to swap different deserializers and see if it affects the behavior. Can I swap in/out DataContract/Xml serializers (are there any others?) from configuration, and if so can I do that with any binding? Any help appreciated!

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  • Parse XHTML using Ruby

    - by Anant
    Is there any way I can parse a remote html page, in Ruby, preferably using jQuery like selectors? For example, I could select all the div having a specific class, and get the content of all those elements in an array. I was trying to use Regex for this, but I think using XML parser would be better.

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