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• VS2010 RC: Add new domain service class wizard entities list is empty

  - by Matthew

  Greetings! I am going through Brad Abrams' SL4 + RIA Services series. Right now I am here: http://blogs.msdn.com/brada/archive/2010/03/15/silverlight-4-ria-services-ready-for-business-exposing-data-from-entity-framework.aspx. When I get to the "add domain service" step and the wizard asks you what entities you want to expose, the list is empty. The dropdown that let's me choose my Entity data context is there and the "DishViewEntities" is selected but it is not showing the "Restaurant" and "Plate" entities in the list below like it does in the picture. I found this thread here: http://forums.silverlight.net/forums/t/168724.aspx. The poster has the same problem as me. I have restarted VS, rebooted, regenerated the EDMX, tried creating it in different folders. Still the list is empty. When it is empty, it will not allow me to select individual entities or generate the class. Any ideas from the community? Thanks!

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• Problems with MediaRecorder class setting audio source - setAudioSource() - unsupported parameter

  - by arakn0

  Hello everybody, I'm new in Android development and I have the next question/problem. I'm playing around with the MediaRecorder class to record just audio from the microphone. I'm following the steps indicated in the official site: http://developer.android.com/reference/android/media/MediaRecorder.html So I have a method that initializes and configure the MediaRecorder object in order to start recording. Here you have the code: this.mr = new MediaRecorder(); this.mr.setAudioSource(MediaRecorder.AudioSource.MIC); this.mr.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP); this.mr.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB); this.mr.setOutputFile(this.path + this.fileName); try { this.mr.prepare(); } catch (IllegalStateException e) { Log.d("Syso", e.toString()); e.printStackTrace(); } catch (IOException e) { Log.d("Syso", e.toString()); e.printStackTrace(); } When I execute this code in the simulator, thanks to logcat, I can see that the method setAudioSource(MediaRecorder.AudioSource.MIC) gives the next error (with the tag audio_ipunt) when it is called: ERROR/audio_input(34): unsupported parameter: x-pvmf/media-input-node/cap-config-interface;valtype=key_specific_value ERROR/audio_input(34): VerifyAndSetParameter failed And then when the method prepare() is called, I get the another error again: ERROR/PVOMXEncNode(34): PVMFOMXEncNode-Audio_AMRNB::DoPrepare(): Got Component OMX.PV.amrencnb handle If I start to record bycalling the method start()... I get lots of messages saying: AudioFlinger(34):RecordThread: buffer overflow Then...after stop and release,.... I can see that a file has been created, but it doesn't seem that it been well recorderd. Anway, if i try this in a real device I can record with no problems, but I CAN'T play what I just recorded. I gues that the key is in these errors that I've mentioned before. How can I fix them? Any suggestion or help?? Thanks in advanced!!

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• JAXB :Class cast exception while trying to unmarshall XML using JAXB

  - by Navin

  Hi I am novice to JAXB , i am trying to sample using JAXB. trying to dispaly the values in the MenuList.xml ----MenuList.xml----------- Projects Library Library1 ----------------------------MenuList.xsd------------------- The uisng the command I run the xsd file and it generated the classes. MenuList and Object Factory. AppTest.java package com.xx.menu; import java.io.File; import java.io.IOException; import javax.xml.bind.JAXBContext; import javax.xml.bind.JAXBElement; import javax.xml.bind.JAXBException; import javax.xml.bind.UnmarshalException; import javax.xml.bind.Unmarshaller; public class TestNew { /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub try { JAXBContext jc = JAXBContext.newInstance("com.xx.menu"); //Create unmarshaller Unmarshaller um = jc.createUnmarshaller(); File file = new File ("C:\\sample\\menulist.xml"); JAXBElement element = (JAXBElement)um.unmarshal(file); Menulist menulist= (Menulist) element.getValue (); System.out.println("name : "+menulist.getMenu()); } catch( UnmarshalException ue ) { ue.printStackTrace(); System.out.println( "Caught UnmarshalException" ); } catch( JAXBException je ) { je.printStackTrace(); } catch( Exception ioe ) { ioe.printStackTrace(); } } } Error: java.lang.ClassCastException: com.xx.menu.Menulist at com.xx.menu.TestNew.main(TestNew.java:26) Can you please help me where I am going wrong ...I will be greatly thankful to you. Thanks

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• Does SmtpClient class represent POP3 client or…?

  - by SourceC

  I assume that web controls (such as the PasswordRecovery control) use SmtpClient to send email messages. If so, does SmtpClient represent a POP3 client or does SmtpClient forward email message to POP3 client? Do attributes specified inside <smtp> element in web.config map to SmtpClient class? <system.net> <mailSettings> <smtp deliveryMethod="Network" ...></smtp> </mailSettings> </system.net> One of the possible values for the attribute deliveryMethod is Network, which tells that email should be sent through the network to an SMTP server. In other words, this value tells to send email to SMTP server using SMTP protocol?! For the PasswordRecovery control to be able to send email messages, we need to set basic properties in <MailDefinition> subelement of the PasswordRecovery control. Thus I assume MailDefinition is used by controls to create an email message?!

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• Binary XML file <line 20>: Error inflating class <Unknown>

  - by user2750644

  <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_gravity="top|left|right" android:background="@drawable/bg" tools:context=".MainActivity" > <ImageView android:id="@+id/imageView1" android:layout_width="wrap_content" android:layout_height="50dp" android:layout_alignParentTop="true" android:layout_centerHorizontal="true" android:src="@drawable/top_red_bar" android:layout_alignParentLeft="true" android:paddingLeft="0dp" android:scaleType="centerCrop" /> <ImageView android:id="@+id/imageView2" android:layout_width="wrap_content" android:layout_height="45dp" android:layout_alignParentLeft="true" android:layout_alignParentTop="true" android:layout_alignTop="@+id/imageView1" android:layout_centerHorizontal="true" android:src="@drawable/job_bar" /> <ImageView android:id="@+id/imageView3" android:layout_width="238dp" android:layout_height="50dp" android:layout_below="@+id/imageView1" android:layout_centerHorizontal="true" android:layout_centerVertical="true" android:layout_marginTop="123dp" android:src="@drawable/button" android:alpha="0.85" android:onClick="myhandler"/> <ImageView android:id="@+id/imageView4" android:layout_width="wrap_content" android:layout_height="50dp" android:layout_alignParentLeft="true" android:layout_below="@+id/imageView3" android:layout_marginTop="24dp" android:src="@drawable/button" android:alpha="0.85"/> <ImageView android:id="@+id/imageView5" android:layout_width="35dp" android:layout_height="45dp" android:layout_above="@+id/imageView4" android:layout_alignLeft="@+id/imageView3" android:layout_marginLeft="21dp" android:src="@drawable/employer" /> <ImageView android:id="@+id/imageView6" android:layout_width="50dp" android:layout_height="50dp" android:layout_alignLeft="@+id/imageView5" android:layout_alignTop="@+id/imageView4" android:src="@drawable/jobseekers" /> <TextView android:id="@+id/textView1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignTop="@+id/imageView5" android:layout_centerHorizontal="true" android:layout_marginLeft="18dp" android:layout_toRightOf="@+id/imageView6" android:text="Employer" android:textAppearance="?android:attr/textAppearanceLarge" android:textColor="#ffffff" android:textStyle="bold" /> <TextView android:id="@+id/textView2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignLeft="@+id/textView1" android:layout_alignTop="@+id/imageView4" android:text="Job Seekers" android:textAppearance="?android:attr/textAppearanceLarge" android:textColor="#ffffff" android:textStyle="bold" /> </RelativeLayout> My app gets crashed with error statement Binary XML file <line 20>: Error inflating class <Unknown>. Why does this happen?? Could anyone fix this? And interestingly, when I remove all code except background, it works!!!

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• Unable to access a primitive array inside a custom class from a UIViewController instance

  - by Daniel

  Hello! I have made a subclass of NSObject that is meant to be the model of my application. The class has a few methods and on instance primitive array as such: @interface Cube : NSObject { int cubeState[5][2][2]; } - (id)printContent; @end @implementation Cube - (void)init { if (self = [super init]) { for (int i=0; i<=5; i++) { for (int j=0; j<=2; j++) { for (int k=0; k<=2; k++) { cubeState[i][j][k] = i; } } } } return self; } - (void)printContent { for (int i=0; i<=5; i++) { for (int j=0; j<=2; j++) { for (int k=0; k<=2; k++) { NSLog(@"[%d] [%d] [%d] = %d", i, j, k, cubeState[i][j][k]); } } } } @end This works fine if instanciated from the delegate as such: #include "Cube.h" @implementation CubeAppDelegate @synthesize window; - (void)applicationDidFinishLaunching:(UIApplication *)application { Cube *cube = [[Cube alloc] init]; [cube printContent]; [cube release]; [window makeKeyAndVisible]; } However, the application crashes if I try to create a subclass of UIViewController with a Cube *cube property and later try to access the Cube instance object through the view controller's property as such: @interface CustomController : UIViewController { Cube *cube; } @property (nonatomic, retain) Cube *cube; @end @implementation CustomController @synthesize cube; - (void)dealloc { [cube release]; [super dealloc]; } @end and in the delegate: - (void)applicationDidFinishLaunching:(UIApplication *)application { viewController = [[CustomController alloc] initWithNibName:@"MainView" bundle:nil]; viewController.cube = [[[Cube alloc] init] autorelease]; [viewController.cube printContent]; // Application crashes here } Any ideas?

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• Why is ExecuteFunction method only available through base.ExecuteFunction in a child class of Object

  - by Matt

  I'm trying to call ObjectContext.ExecuteFunction from my objectcontext object in the repository of my site. The repository is generic, so all I have is an ObjectContext object, rather than one that actually represents my specific one from the Entity Framework. Here's an example of code that was generated that uses the ExecuteFunction method: [global::System.CodeDom.Compiler.GeneratedCode("System.Data.Entity.Design.EntityClassGenerator", "4.0.0.0")] public global::System.Data.Objects.ObjectResult<ArtistSearchVariation> FindSearchVariation(string source) { global::System.Data.Objects.ObjectParameter sourceParameter; if ((source != null)) { sourceParameter = new global::System.Data.Objects.ObjectParameter("Source", source); } else { sourceParameter = new global::System.Data.Objects.ObjectParameter("Source", typeof(string)); } return base.ExecuteFunction<ArtistSearchVariation>("FindSearchVariation", sourceParameter); } But what I would like to do is something like this... public class Repository<E, C> : IRepository<E, C>, IDisposable where E : EntityObject where C : ObjectContext { private readonly C _ctx; // ... public ObjectResult<E> ExecuteFunction(string functionName, params[]) { // Create object parameters return _ctx.ExecuteFunction<E>(functionName, /* parameters */) } } Anyone know why I have to call ExecuteFunction from base instead of _ctx? Also, is there any way to do something like I've written out? I would really like to keep my repository generic, but with having to execute stored procedures it's looking more and more difficult... Thanks, Matt

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• Boost Python : How to only expose the constructor of a class with virtual (pure & impure) methods

  - by fallino

  Hello, I'm a newbie with Boost::Python but I tried to search on the web to do so I want to expose a 3rd party library to Python. One of the class of the library (.hpp) is composed of a public constructor with arguments a protected constructor and functions various regular functions various pure virtual functions various non pure virtual functions First, I did not succeed in building it without having errors about this protected constructor. I finally commented it. A first question would be : Is there a way to exclude these protected functions since I don't want to expose them ? (I know it's possible and easy with Py++, but I started without using it) Then I tried to expose all of my functions, beginning with the pure virtual ones (commenting them all except one), which wasn't a success too So I finally decided not to expose these virtual functions (which in fact seems logical...), but, here again, I didn't manage building it with a simple constructor with arguments (without no_init). So my second question is : Is there a way to exclude these virtual functions since I don't want to expose them ? Sorry if it seems trivial but I didn't find anything explicit on the web and I need something rather explicit :). Thanks in advance

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• error insert text in papervision typography class

  - by safeDomain

  hi evryone , i am encounter with a small problem i want to make a 3d rtl text animation with papervision this code generet a problem to this : [Fault] exception, information=TypeError: Error #1009: Cannot access a property or method of a null object reference. but when using a english text this error dont genereta my code : package { import flash.display.Sprite; import flash.events.Event; import org.papervision3d.scenes.Scene3D import org.papervision3d.view.Viewport3D import org.papervision3d.cameras.Camera3D import org.papervision3d.render.BasicRenderEngine import org.papervision3d.typography.Font3D import org.papervision3d.typography.fonts.HelveticaBold import org.papervision3d.typography.Text3D import org.papervision3d.materials.special.Letter3DMaterial import flash.text.engine.FontDescription import flash.text.engine.ElementFormat import flash.text.engine.TextElement import flash.text.engine.TextBlock import flash.text.engine.TextLine /** * ... * @author vahid */ public class Main extends Sprite { private var fd:FontDescription private var ef:ElementFormat private var te:TextElement protected var st:String; private var scene:Scene3D private var view:Viewport3D private var camera:Camera3D private var render:BasicRenderEngine private var vpWidth:Number = stage.stageWidth; private var vpHeight:Number = stage.stageHeight; private var text3d:Text3D private var font3d:Font3D //private var font:HelveticaBold private var textMaterial:Letter3DMaterial private var text:String public function Main():void { if (stage) init(); else addEventListener(Event.ADDED_TO_STAGE, init); } private function init(e:Event = null):void { removeEventListener(Event.ADDED_TO_STAGE, init); // rtl block fd = new FontDescription () ef = new ElementFormat (fd) te = new TextElement ("?????? ?????? ???? ?????? ?? papervision", ef) text = te.text //3d block scene = new Scene3D () view = new Viewport3D (vpWidth,vpHeight,true,true,false,false) camera = new Camera3D () render = new BasicRenderEngine() addChild (view) this.addEventListener (Event.ENTER_FRAME , renderThis) textMaterial = new Letter3DMaterial(0xFF0000,1) font3d = new HelveticaBold() text3d = new Text3D (text, font3d, textMaterial) scene.addChild (text3d) } protected function renderThis(e:Event):void { text3d.rotationY +=5 render.renderScene(scene,camera,view) } } } i am using flashdevelop. please help me thank's

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• html to text with domdocument class

  - by turbod

  How to get a html page source code without htl tags? For example: <meta http-equiv="content-type" content="text/html; charset=utf-8" /> <meta http-equiv="content-language" content="hu"/> <title>this is the page title</title> <meta name="description" content="this is the description" /> <meta name="keywords" content="k1, k2, k3, k4" /> start the body content <!-- <div>this is comment</div> --> <a href="open.php" title="this is title attribute">open</a> End now one noframes tag. <noframes><span>text</span></noframes> <select name="select" id="select"><option>ttttt</option></select> <div class="robots-nocontent"><span>something</span></div> <img src="url.png" alt="this is alt attribute" /> I need this result: this is the page title this is the description k1, k2, k3, k4 start the body content this is title attribute open End now one noframes tag. text ttttt something this is alt attribute I need too the title and the alt attributes. Idea?

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• Generic allocator class without variadic templates?

  - by rainer

  I am trying to write a generic allocator class that does not really release an object's memory when it is free()'d but holds it in a queue and returns a previously allocated object if a new one is requested. Now, what I can't wrap my head around is how to pass arguments to the object's constructor when using my allocator (at least without resorting to variadic templates, that is). The alloc() function i came up with looks like this: template <typename... T> inline T *alloc(const &T... args) { T *p; if (_free.empty()) { p = new T(args...); } else { p = _free.front(); _free.pop(); // to call the ctor of T, we need to first call its DTor p->~T(); p = new( p ) T(args...); } return p; } Still, I need the code to be compatible with today's C++ (and older versions of GCC that do not support variadic templates). Is there any other way to go about passing an arbitrary amount of arguments to the objects constructor?

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• "Undefined symbols" linker error with simple template class

  - by intregus

  Been away from C++ for a few years and am getting a linker error from the following code: Gene.h #ifndef GENE_H_INCLUDED #define GENE_H_INCLUDED template <typename T> class Gene { public: T getValue(); void setValue(T value); void setRange(T min, T max); private: T value; T minValue; T maxValue; }; #endif // GENE_H_INCLUDED Gene.cpp #include "Gene.h" template <typename T> T Gene<T>::getValue() { return this->value; } template <typename T> void Gene<T>::setValue(T value) { if(value >= this->minValue && value <= this->minValue) { this->value = value; } } template <typename T> void Gene<T>::setRange(T min, T max) { this->minValue = min; this->maxValue = max; } Using Code::Blocks and GCC if it matters to anyone. Also, clearly porting some GA stuff to C++ for fun and practice.

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• LaTeX book class: Twosided document with wrong margins

  - by fgysin

  I am trying to write my thesis in latex... Cannot get the layout straight though :? I'm using the following document class: \documentclass[11pt,a4paper,twoside,openright]{book} My problem is: on the odd numbered pages there is a big margin right, and a small margin left - it should be the other way round... (for binding & stuff) I am a little puzzled by this - am I just to stupid to see the obvious? The odd page numbers appear on the 'right' page of a bound document, so there needs to be a larger margin left for bindin. Right? Why does LaTeX not behave like this? Here is the full code to produce a small Tex file that shows my problem: \documentclass[11pt,a4paper,twoside,openright]{book} \begin{document} \chapter{blah} Lorem ipsum ius et accumsan tractatos, aliquip deterruisset cu usu. Ea soleat eirmod nostrud eum, est ceteros similique ad, at mea tempor petentium. At decore neglegentur quo, ea ius doming dictas facilis, duo ut porro nostrum suavitate. \end{document}

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• Map element position in data file to class property

  - by Augusto

  I need to read/write files, following a format provided by a third party specification. The specification itself is pretty simple: it says the position and the size of the data that will be saved in the file. For example: Position Size Description -------------------------------------------------- 0001 10 Device serial number 0011 02 Hour 0013 02 Minute 0015 02 Second 0017 02 Day 0019 02 Month 0021 02 Year The list is very long, it has about 400 elements. But lots of them can be combined. For example, hour, minute, second, day, month and year can be combined in a single DateTime object. I've splitted the elements into about 4 categories, and created separeted classes for holding the data. So, instead of a big structure representing the data, I have some smaller classes. I've also created different classes for reading and writing the data. The problem is: how to map the positions in the file to the objects properties, so that I don't need to repeat the values in the reading/writing class? I could use some custom attributes and retrieve them via reflection. But since the code will be running on devices with small memory and processor, it would be nice to find another way. My current read code looks like this: public void Read() { DataFile dataFile = new DataFile(); // the arguments are: position, size dataFile.SerialNumber = ReadLong(1, 10); //... } Any ideas on this one? Thanks!

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• Boost class/struct serialization to byte array

  - by Dave18

  does boost library provide functions to pack the class/struct data into a byte array to shorten the length of serialized data? Currently i'm using stringstream to get the serialized data, for example - struct data { std::string s1; std::string s2; int i; }; template <typename Archive> void serialize(Archive &ar, data &d, const unsigned int version) { ar & d.s1; ar & d.s2; ar & d.i; } int main() { data d; d.s1 = "This is my first string"; d.s2 = "This is my second string"; d.i = 10000; std::stringstream archive_stream; boost::archive::text_oarchive archive(archive_stream); archive.operator <<(d); } How would i use a byte array instead of stringstream for data?

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• Using Build Manager Class to Load ASPX Files and Populate its Controls

  - by Sandhurst

  I am using BuildManager Class to Load a dynamically generated ASPX File, please note that it does not have a corresponding .cs file. Using Following code I am able to load the aspx file, I am even able to loop through the control collection of the dynamically created aspx file, but when I am assigning values to controls they are not showing it up. for example if I am binding the value "Dummy" to TextBox control of the aspx page, the textbox remains empty. Here's the code that I am using protected void Page_Load(object sender, EventArgs e) { LoadPage("~/Demo.aspx"); } public static void LoadPage(string pagePath) { // get the compiled type of referenced path Type type = BuildManager.GetCompiledType(pagePath); // if type is null, could not determine page type if (type == null) throw new ApplicationException("Page " + pagePath + " not found"); // cast page object (could also cast an interface instance as well) // in this example, ASP220Page is a custom base page System.Web.UI.Page pageView = (System.Web.UI.Page)Activator.CreateInstance(type); // call page title pageView.Title = "Dynamically loaded page..."; // call custom property of ASP220Page //pageView.InternalControls.Add( // new LiteralControl("Served dynamically...")); // process the request with updated object ((IHttpHandler)pageView).ProcessRequest(HttpContext.Current); LoadDataInDynamicPage(pageView); } private static void LoadDataInDynamicPage(Page prvPage) { foreach (Control ctrl in prvPage.Controls) { //Find Form Control if (ctrl.ID != null) { if (ctrl.ID.Equals("form1")) { AllFormsClass cls = new AllFormsClass(); DataSet ds = cls.GetConditionalData("1"); foreach (Control ctr in ctrl.Controls) { if (ctr is TextBox) { if (ctr.ID.Contains("_M")) { TextBox drpControl = (TextBox)ctr; drpControl.Text = ds.Tables[0].Rows[0][ctr.ID].ToString(); } else if (ctr.ID.Contains("_O")) { TextBox drpControl = (TextBox)ctr; drpControl.Text = ds.Tables[1].Rows[0][ctr.ID].ToString(); } } } } } } }

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• Serialize a C# class to xml. Store the XML as a string in SQL Server and then restore the class late

  - by BrianK

  I want to serialize a class to xml and store that in a field in a database. I can serialize with this: StringWriter sw = new StringWriter(); XmlSerializer xmlser = new XmlSerializer(typeof(MyClass)); xmlser.Serialize(sw, myClassVariable); string s = sw.ToString(); sw.Close(); Thats works, but it has the namesapces in it. xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" Will these slow down the deserialization because it will go out to those and verify the XML? I got rid of the namespaces by creating a blank XmlSerializerNamespaces and using that to serialize, but then the xml still had namespaces around integer variables: <anyType xmlns:q1="http://www.w3.org/2001/XMLSchema" d3p1:type="q1:int" xmlns:d3p1="http://www.w3.org/2001/XMLSchema-instance"> 3 </anyType> My question is: Is it necessary to have the namesapces for deserialization and if not, how to get rid of them? How do I tell it fields are ints so it doesnt put in "anytype" Thanks, Brian

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• Loading a class file immediately AFTER startup

  - by Striker

  We have a few war files deployed inside an ear file. Some of the war files have a class that caches static data from our PLM system in singletons. Since some of the classes take several minutes to load we use the load-on-startup in the web.xml to load them ahead of time. This all works fine until we attempt to re-deploy the application on our production servers. (WebLogic 10.3) We get an exception from our PLM API about a dll already being loaded. Our PLM vendor has confirmed that this is a problem and stated that they don't support using the load-on-startup. This is also a huge problem on our development boxes where we have redeploy the app all the time. Most of us, when we're not working on one of the apps that uses a cache, have them commented out. Obviously we can't do that for the production servers. Right now we transfer the ear to the production server, deploy it in the console, wait for it to crash, shut the app server instance down and then start it up again. We need to find a way around this... One suggestion was to create a servlet that we can call after the server boots that will load the various caches. While this will work I'm looking for something a bit cleaner. Is there anyway to detect once the server started and then fire off the methods? Thanks.

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• how to read http response soap headers from web service response in proxy class

  - by Fabricio

  I'm having some problems with one webservice that i'm working with. I generated a proxy class with wsdl.exe that comes with .net framework. But that webservice return a header that isnt not mapped by the wsdl. I must map the header sop because it contains some properties that i have to read and work with. how can i read the soap's header collection? Ex.: <soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"> <soap:Header xmlns="http://xml.amadeus.com/ws/2009/01/WBS_Session-2.0.xsd"> <Session> <SessionId>545784545</SessionId> <SequenceNumber>1</SequenceNumber> <SecurityToken>asd7a87sda89sd45as4d5a4</SecurityToken> </Session> </soap:Header> <soap:Body> <TAM_Altea_Seguranca_AutenticarRS xmlns="http://xml.amadeus.com/2009/04/TAM/TAM_Altea_Seguranca_AutenticarRS_2.0"> <statusDoProcesso> <codigoDoStatus>P</codigoDoStatus> </statusDoProcesso> </TAM_Altea_Seguranca_AutenticarRS> </soap:Body> </soap:Envelope> I need to read the SOAP:HEADER - Session.

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• Maintaining a pool of DAO Class instances vs doing new operator

  - by Fazal

  we have been trying to benchmark our application performance in multiple way for sometime now. I always believed that object creation in java using Class.newInstance() was not slow (at least after 1.4 version of java). But we anyways did a test to use newInstance method vs mainitain an object pool of 1000 objects. We did about 200K iterations of loading data from DB using JDBC and populating these objects. I was amazed (even shocked) to see that newInstance code compared to object pool code was almost 10 times slower. These objects represent tables with about 50 fields and all string type. Can someone share there thoughts on this issue as now I am more confused if object pooling of atleast some DAO instances is a better option. The pool size as I see right now should be large enough to meet size of average requests. There is a flip side as my memory footprint will go up but I am beginning to wonder if this kind of idea makes sense atleast for some of the DAO entities representing tables of about 50 or more columns Please share your ideas and let me know if this has been tried by someone or am I missing some point here

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• Issue editing class style properties using js - issue is with IE

  - by Nick

  I have a function to edit the style properties of a class Unfortunately IE does not seem to like it but it does not give me an error. Does anyone know what the issue is? Thanks in advance function myRemoveElement(id) { var Node = document.getElementById(id); Node.parentNode.removeChild(Node); } function boolyChangeFoo(width1, width2, width3, width4) { if(typeof style == 'undefined') { var append = true; myStyle = document.createElement('style'); } else { while (myStyle.hasChildNodes()) { myStyle.removeChild(myStyle.firstChild); } } if (document.getElementById('my_custom_styles')) { myRemoveElement('my_custom_styles'); } var head = document.getElementById('myltd_popup_1'); var rules = document.createTextNode('.my_price_comp_inner { width: ' + width1 + '}' + '.merch_coupons_summary { width: ' + width2 + '}' + '.merch_coupons_data { width: ' + width3 + '}' + '.my_coupon_prod_item { width: ' + width4 + '}' ); myStyle.setAttribute('type','text/css'); myStyle.setAttribute('id', 'my_custom_styles'); if(myStyle.styleSheet) { myStyle.styleSheet.cssText = rules.nodeValue; } else { myStyle.appendChild(rules); } //alert(myStyle); if(append === true) head.appendChild(myStyle); }

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• C# - Class Type as Parameter in methods

  - by Claudio

  Hi guys, I'm using SQLite.cs wrapper for helping me with the database and I have this method for create XML from a table, that is working fine. public void GenerateInvoiceXML(string filePath) { var invoices = app.db.Table<Invoice>().ToList(); XmlSerializer serializer = new XmlSerializer( typeof(List<Invoice>) ); TextWriter writer = new StreamWriter(filePath); serializer.Serialize(writer,invoices); writer.Close(); } All tables that I have are defined like this: [Serializable] public class Invoice { [PrimaryKey, AutoIncrement] public int Id { get; set; } public string Supplier {get; set;} public string Date {get; set;} public string PaymentMethod {get; set;} public string Notes {get; set;} public Invoice(int newID) { Id = newID; } public Invoice() { } } But I want to change this method for something like this: public void GenerateInvoiceXML(string filePath, Type table) { var dataForXML = app.db.Table<table>().ToList(); XmlSerializer serializer = new XmlSerializer( typeof(List<table>) ); TextWriter writer = new StreamWriter(filePath); serializer.Serialize(writer,dataForXML); writer.Close(); } Does anybody have an idea how to do it? Kind Regards, Claudio

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• LINQtoSQL Custom Constructor off Partial Class?

  - by sah302

  Hi all, I read this question here: http://stackoverflow.com/questions/82409/is-there-a-way-to-override-the-empty-constructor-in-a-class-generated-by-linqtosq Typically my constructor would look like: public User(String username, String password, String email, DateTime birthday, Char gender) { this.Id = Guid.NewGuid(); this.DateCreated = this.DateModified = DateTime.Now; this.Username = username; this.Password = password; this.Email = email; this.Birthday = birthday; this.Gender = gender; } However, as read in that question, you want to use partial method OnCreated() instead to assign values and not overwrite the default constructor. Okay so I got this : partial void OnCreated() { this.Id = Guid.NewGuid(); this.DateCreated = this.DateModified = DateTime.Now; this.Username = username; this.Password = password; this.Email = email; this.Birthday = birthday; this.Gender = gender; } However, this gives me two errors: Partial Methods must be declared private. Partial Methods must have empty method bodies. Alright I change it to Private Sub OnCreated() to remove both of those errors. However I am still stuck with...how can I pass it values as I would with a normal custom constructor? Also I am doing this in VB (converted it since I know most know/prefer C#), so would that have an affect on this?

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• Entity Framework 4 overwrite Equals and GetHashCode of an own class property

  - by Zhok

  Hi, I’m using Visual Studio 2010 with .NET 4 and Entity Framework 4. I’m working with POCO Classes and not the EF4 Generator. I need to overwrite the Equals() and GetHashCode() Method but that doesn’t really work. Thought it’s something everybody does but I don’t find anything about the problem Online. When I write my own Classes and Equals Method, I use Equals() of property’s, witch need to be loaded by EF to be filled. Like this: public class Item { public virtual int Id { get; set; } public virtual String Name { get; set; } public virtual List<UserItem> UserItems { get; set; } public virtual ItemType ItemType { get; set; } public override bool Equals(object obj) { Item item = obj as Item; if (obj == null) { return false; } return item.Name.Equals(this.Name) && item.ItemType.Equals(this.ItemType); } public override int GetHashCode() { return this.Name.GetHashCode() ^ this.ItemType.GetHashCode(); } } That Code doesn’t work, the problems are in Equals and GetHashCode where I try to get HashCode or Equal from “ItemType” . Every time I get a NullRefernceException if I try to get data by Linq2Entites. A dirty way to fix it, is to capture the NullReferenceException and return false (by Equals) and return base.GetHashCode() (by GethashCode) but I hope there is a better way to fix this problem. I’ve wrote a little test project, with SQL Script for the DB and POCO Domain, EDMX File and Console Test Main Method. You can download it here: Download

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• Android Custom Dialog Class Title Problems

  - by y ramesh rao

  public class MessageDisplayDialog extends Dialog implements OnClickListener { public MessageDisplayDialog(Context context, String title, String message) { super(context); setTitle(title); getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.color.default_text_color); Log.v(getClass().getSimpleName(), "MessageDisplayDialog"); LinearLayout objLinearLayout = new LinearLayout(context); LinearLayout objButtonLayout = new LinearLayout(context); TextView objMesaageView = new TextView(context); objMesaageView.setText(message); objMesaageView.setTextColor(Color.WHITE); objMesaageView.setGravity(Gravity.CENTER_HORIZONTAL); objMesaageView.setPadding(0, 0, 0, 10); Button okButton = new Button(context); okButton.setText(" OK "); okButton.setOnClickListener(this); okButton.setWidth(100); objButtonLayout.addView(okButton); objButtonLayout.setGravity(Gravity.CENTER_HORIZONTAL); objButtonLayout.setPadding(0, 5, 0, 0); objButtonLayout.setBackgroundColor(Color.LTGRAY); objLinearLayout.setOrientation(LinearLayout.VERTICAL); objLinearLayout.addView(objMesaageView); objLinearLayout.addView(objButtonLayout); setContentView(objLinearLayout); //LayoutParams param = new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT); //this.addContentView(objLinearLayout, param); } public void onClick(View v) { this.dismiss(); } } But the Dialog is not showing bar below the Title, how to crack it.

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