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• How to check if two System.Drawing.Color structures represent the same color in 16 bit color depth?

  - by David

  How can I check if two System.Drawing.Color structures represent the same color in 16 bit color depth (or generally based on the value of Screen.PrimaryScreen.BitsPerPixel)? Let's say I set Form.TransparencyKey to Value1 (of Color type), I want to check that when the user selects a new background color for the form (Value2), I don't set the entire form transparent. On 32bit color depth screens I simply compare the two values: if (Value1 == Value2) However, this does not work on 16bit color depth screens, as more Color values for the Value2 would represent the same actual 16bit color as Value1, as I found out the hard way.

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• "Replay" the steps needed to recreate an error

  - by David

  I am going to create a typical business application that will be used by a few hundred consultants. Normally, the consultants would be presented with an error message with a standard text. As the application will be a complicated one with lots of changes being made to it constantly I would like the following: When an error message is presented, the user has the option to "send" the error message to the developers. The developers should be able to open the incoming file in i.e. Eclipse and debug the steps of the last 10 minutes of work step by step (one line at a time if they want to). Everything should be transparent, meaning that they for example should be able to see the return values of calls to the database. Are there any solutions that offer such functionality today, my preferred language is Python or also Java. I know that there will be a huge performance hit because of such functionality, but that is acceptable as this kind of software is not performance sensitive. It would be VERY nice if the database also had a cronology so that one could query the database for values that existed at the exact time that a specific line of code was run in the application, leading up to the bug.

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• OpenLayers: Raise event when map is zoomed or moved by user

  - by David Pfeffer

  I'm using OpenLayers to display OpenStreetMap maps. (Though, I'd assume this should be general enough to work for any map product...) I'm displaying some very sophisticated vector overlays, and the amount and resolution of the features I'm returning from the server via GeoJSON to overlay has proven too much for many computers. What I'd like to do now instead is to only send data befitting the resolution of the current zoom, and fitting the current view port. This should be relatively easy to do using the GetResolution and CalculateBounds methods on the Map object. However, I don't know when to call these methods because I can't find a way to register a function to be called when the user pans the map (changing the view port) or zooms the map (changing the resolution and view port). How can I get a callback when the user pans or zooms the map?

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• Passcode functionality for iPhone app?

  - by David Liu

  I was thinking about putting in PIN number functionality within my iPhone app (various examples can be seen here http://forums.mint.com/showthread.php?t=5956 ), but I was kinda stumped how to go about it. Should I just go with a hidden textfield and simulate the inputs with images?

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• In Java what does NaN mean.

  - by David

  I have a program that more or less tries to widdle a doube down to a desired number. The output i get though, instead of being that final double is NaN What does this mean?

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• HTTP header for sending PDF, problem in Firefox

  - by David

  In windows when i save a pdf with firefox adobe reader plugin ocurs this problem. The file saved is: http://www.example.com/opendocument.php_doc=._docs_doc01 My headers are: header('Content-type: application/pdf'); //header('Content-Disposition: inline; filename=doc01.pdf'); header("Content-Transfer-Encoding: binary"); header("Content-Length: ".filesize($pdf)); Original call is: http://www.example.com/opendocument.php?doc=./docs/doc01.pdf I'm not interest on attachment header. I must open into the website, not download o external window. Any idea?

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• Multiple Condition Coverage Testing

  - by David Relihan

  Hi Folks, When using the White Box method of testing called Multiple Condition Coverage, do we take all conditional statements or just the ones with multiple conditions? Now maybe the clues in the name but I'm not sure. So if I have the following method void someMethod() { if(a && b && (c || (d && e)) ) //Conditional A { } if(z && q) // Conditional B { } } Do I generate the truth table for just "Conditional A", or do I also do Conditional B? Thanks,

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• XPATH - Select all child nodes with a specific attribute

  - by David

  Hi, what would be the xpath for the following: Find all child nodes with a specific attibute value but starting from a node with a specific attribute value. This is kind of related to a question I posted earlier about parsing and rdf xml file - I thought I had solved it but not quite yet. For example I am trying to parse and grab all of the rdf:about attribute values. I have this working fine. I need to add the following condition though - parsing needs to start after a specific rdf:about value is found. I am working in php and and using DomDocument and am using the following xpath query: $xpath-query('//@rdf:about') - it is finding all rdf:about attributes fine. I need to extend this to only find thos attributes that come after the node who rdf:about attribute is equal to something. Hope this makes sense.

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• Is there a Novatel Wireless Modem Emulator or something similar?

  - by David Brown

  Novatel Wireless provides their NovaCore SDK for developers wishing to interface with their line of modems. I'm currently developing an open source managed wrapper for it, but I'm having difficulties with testing. I own a Novatel MiFi and have mobile broadband service through Sprint, but that can only get me so far. The device is already activated, thus I can't test the network activation features of the NovaCore SDK. There are also certain features only available for HSPA modems, which I am not able to get in my area. Is there an emulator capable of emulating a Novatel Wireless modem so that I can test my library without physical hardware and an actual data connection? If not, do you have any other suggestions that might help in this situation? I've contacted Novatel Wireless via email and their developer forum, but have not received a response. Thanks!

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• GDI+ double buffering in C++

  - by David Titarenco

  I haven't written anything with GDI for a while now (and never with GDI+), and I'm just working on a fun project, but for the life of me, I can't figure out how to double buffer GDI+ void DrawStuff(HWND hWnd) { HDC hdc; HDC hdcBuffer; PAINTSTRUCT ps; hdc = BeginPaint(hWnd, &ps); hdcBuffer = CreateCompatibleDC(hdc); Graphics graphics(hdc); graphics.Clear(Color::Black); // drawing stuff, i.e. bunnies: Image bunny(L"bunny.gif"); graphics.DrawImage(&bunny, 0, 0, bunny.GetWidth(), bunny.GetHeight()); BitBlt(hdc, 0,0, WIDTH , HEIGHT, hdcBuffer, 0,0, SRCCOPY); EndPaint(hWnd, &ps); } The above works (everything renders perfectly), but it flickers. If I change Graphics graphics(hdc); to Graphics graphics(hdcBuffer);, I see nothing (although I should be bitblt'ing the buffer-hWnd hdc at the bottom). My message pipeline is set up properly (WM_PAINT calls DrawStuff), and I'm forcing a WM_PAINT message every program loop by calling RedrawWindow(window, NULL, NULL, RDW_ERASE | RDW_INVALIDATE | RDW_UPDATENOW); I'm probably going about the wrong way to do this, any ideas? The MSDN documentation is cryptic at best.

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• Placing custom code in a System namespace

  - by David Brown

  Are there any best-practices that state custom code shouldn't be placed in a System namespace? Should System and its children be reserved for Microsoft code? I ask because I'm writing a class library that will be used across many projects and I'd like to keep things consistent by placing it in System.InteropServices (since it deals with P/Invoke).

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• access exception when invoking method of an anonymous class using java reflection

  - by Asaf David

  Hello I'm trying to use an event dispatcher to allow a model to notify subscribed listeners when it changes. the event dispatcher receives a handler class and a method name to call during dispatch. the presenter subscribes to the model changes and provide a Handler implementation to be called on changes. Here's the code (I'm sorry it's a bit long). EventDispacther: package utils; public class EventDispatcher<T> { List<T> listeners; private String methodName; public EventDispatcher(String methodName) { listeners = new ArrayList<T>(); this.methodName = methodName; } public void add(T listener) { listeners.add(listener); } public void dispatch() { for (T listener : listeners) { try { Method method = listener.getClass().getMethod(methodName); method.invoke(listener); } catch (Exception e) { System.out.println(e.getMessage()); } } } } Model: package model; public class Model { private EventDispatcher<ModelChangedHandler> dispatcher; public Model() { dispatcher = new EventDispatcher<ModelChangedHandler>("modelChanged"); } public void whenModelChange(ModelChangedHandler handler) { dispatcher.add(handler); } public void change() { dispatcher.dispatch(); } } ModelChangedHandler: package model; public interface ModelChangedHandler { void modelChanged(); } Presenter: package presenter; public class Presenter { private final Model model; public Presenter(Model model) { this.model = model; this.model.whenModelChange(new ModelChangedHandler() { @Override public void modelChanged() { System.out.println("model changed"); } }); } } Main: package main; public class Main { public static void main(String[] args) { Model model = new Model(); Presenter presenter = new Presenter(model); model.change(); } } Now, I except to get the "model changed" message. However, I'm getting an java.lang.IllegalAccessException: Class utils.EventDispatcher can not access a member of class presenter.Presenter$1 with modifiers "public". I understand that the class to blame is the anonymous class i created inside the presenter, however I don't know how to make it any more 'public' than it currently is. If i replace it with a named nested class it seem to work. It also works if the Presenter and the EventDispatcher are in the same package, but I can't allow that (several presenters in different packages should use the EventDispatcher) any ideas?

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• Create a SharePoint Web Part Site in Visual Studio?

  - by David

  I need to create a web part page to be used in a SharePoint collection site. Any ideas?

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• iPhone SDK 3.2 beta 4 missing arm architecture

  - by David Beck

  Ever since I upgraded to iPhone SDK 3.2 beta 4, when I try to compile for device I get a warning for most of my libraries (libxml2.dylib, libobjc.A.dylib etc.) saying that it is missing the required architecture arm in file. Checking the libraries with lipo, I see that they all have arm5-7. Surely someone else had to of run into this.

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• Does WPF break an Entity Framework ObjectContext?

  - by David Veeneman

  I am getting started with Entity Framework 4, and I am getting ready to write a WPF demo app to learn EF4 better. My LINQ queries return IQueryable<T>, and I know I can drop those into an ObservableCollection<T> with the following code: IQueryable<Foo> fooList = from f in Foo orderby f.Title select f; var observableFooList = new ObservableCollection<Foo>(fooList); At that point, I can set the appropriate property on my view model to the observable collection, and I will get WPF data binding between the view and the view model property. Here is my question: Do I break the ObjectContext when I move my foo list to the observable collection? Or put another way, assuming I am otherwise handling my ObjectContext properly, will EF4 properly update the model (and the database)? The reason why I ask is this: NHibernate tracks objects at the collection level. If I move an NHibernate IList<T> to an observable collection, it breaks NHibernate's change tracking mechanism. That means I have to do some very complicated object wrapping to get NHibernate to work with WPF. I am looking at EF4 as a way to dispense with all that. So, to get EF4 working with WPF, is it as simple as dropping my IQueryable<T> results into an ObservableCollection<T>. Does that preserve change-tracking on my EDM entity objects? Thanks for your help.

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• UISearchBar animation hidding button

  - by David Carvalho

  Hello I currently have a UISearchBar (attached to a UISearchDisplayController), but I reduced the width of the search bar so I could display a custom button to its right when the search bar is not selected. The button is used to access other views. However, when I select the search bar and then press cancel (or even perform a search) and return to the normal view, where the search bar should be displayed with my custom button, the search bar animates and takes up all the room for the button and the is not displayed. Essentially, the search bar takes up all the width of the screen when I only want it to take up a part of it. Is there any way to prevent the search bar from animating to the whole width of the screen? This is how I defined the CGRect of the search bar: self = [[UISearchBar alloc] initWithFrame:CGRectMake(0.0f, 0.0f, 250.0f, 45.0f)] Any help would be great. Regards

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• Facebook App Wall Posting no longer showing in Facebook iPhone App

  - by David Hsu

  I use the GRAPH API with django for Facebook wall postings. Since yesterday, the wall posts only show on the Facebook web app but not the Facebook iPhone app. I tried Yelp, and their postings still show up. How can I debug this? Anyone notice this issue with their Facebook connect? Is this a Facebook algorithm issue. Code for Wall Post: graph = facebook.GraphAPI(access_token) attachment = {"name": name, "link": link, #"caption": "{*actor*} posted a new review", "description": desc, "picture": picture } graph.put_wall_post("",attachment)

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• How to use SLF4J Log4jLoggerAdapter

  - by David Wong

  I'm deploying an enterprise application on Weblogic 8.1 which has log4j 1.2.8 on it's classpath. I'm getting the following error with SLF4J 1.6.1: SLF4J versions 1.4.0 and later requires log4j 1.2.12 or later http://www.slf4j.org/codes.html#log4j_version Above link recommends using Log4jLoggerAdapter. I've changed Logger logger = LoggerFactory.getLogger(HelloWorld.class); logger.info("Hello World"); to Log4jLoggerAdapter logger = (Log4jLoggerAdapter) LoggerFactory.getLogger(HelloWorld.class); logger.info("Hello World"); However, I'm still encountering the error. Any advice on how to correctly implement this? Thanks

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• Windows SBS 2003 Remote Desktop Problem

  - by david.healed

  Hi, I used to remote access the SBS 2003 server through RDC and it has been working all the time but now I am unable to connect to the server. Whenever I pressed the "Connect" button on the Remote Desktop Connection dialog, a dialog with messages like "Connecting to: xx.xx.xx.xx" and "Configuring remote session..." appeared and then disappeared quickly, leaving the Remote Desktop Connection dialog there. How to fix the problem? Is the any way to reinstall the Remote Desktop on the server. Thank you.

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• XSLT apply templates in different order of xml reading.

  - by David

  I am new to this, so please bear with me... If we have the following xml fragment: <docXML> <PARRAFO orden='1' tipo='parrafo'> <dato> <etiqueta>Título</etiqueta> <tipo>TextBox</tipo> <valor>¿Cuándo solicitar el consejo genético?</valor> <longitud>1500</longitud> <comentario></comentario> <enlace></enlace> <target_enlace>I</target_enlace> </dato> <dato> <etiqueta>Texto</etiqueta> <tipo>Resumen</tipo> <valor>Resumen text</valor> <longitud>8000</longitud> <comentario></comentario> <enlace></enlace> <target_enlace></target_enlace> </dato> <dato> <etiqueta>Imagen</etiqueta> <tipo>TextBox</tipo> <valor>http://url/Imagenes/7D2BE6480CF4486CA288A75932606181.jpg</valor> <longitud>1500</longitud> <comentario></comentario> <enlace></enlace> <target_enlace>I</target_enlace> </dato> </PARRAFO> <PARRAFO orden='1' tipo='parrafo'> <dato> <etiqueta>Título</etiqueta> <tipo>TextBox</tipo> <valor>TextBox text</valor> <longitud>1500</longitud> <comentario></comentario> <enlace></enlace> <target_enlace>I</target_enlace> </dato> <dato> <etiqueta>Texto</etiqueta> <tipo>Resumen</tipo> <valor>Resumen text</valor> <longitud>8000</longitud> <comentario></comentario> <enlace></enlace> <target_enlace></target_enlace> </dato> </PARRAFO> </docXML> .. I am going to apply templates to each section depending on the value of the label "etiqueta" per node "dato" in "PARRAFO" by using the following XSLT: <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:msxsl="urn:schemas-microsoft-com:xsl" exclude-result-prefixes="msxsl"> <xsl:output method="html" encoding="iso-8859-1"/> <xsl:template match="/"> <xsl:variable name="xml-doc-parrafo" select="documentoXML/PARRAFO"/> <!-- PARRAFOS --> <xsl:choose> <xsl:when test="count($xml-doc-parrafo)>0"> <div class="seccion_1"> <xsl:for-each select="$xml-doc-parrafo"> <xsl:choose> <xsl:when test="self::node()[@tipo = 'parrafo']"> <div class="parrafo"> <xsl:for-each select="self::node()[@tipo = 'parrafo']/dato"> <xsl:variable name="dato" select="self::node()[@tipo = 'parrafo']/dato"/> <xsl:variable name="nextdato" select="following::dato[1]/@etiqueta"/> <xsl:choose> <xsl:when test="etiqueta = 'Título'"> <xsl:call-template name="imprimeTituloParrafo"> <xsl:with-param name="etiqueta" select="etiqueta"></xsl:with-param> <xsl:with-param name="valor" select="valor"></xsl:with-param> <xsl:with-param name="longitud" select="longitud"></xsl:with-param> <xsl:with-param name="comentario" select="comentario"></xsl:with-param> <xsl:with-param name="enlace" select="enlace"></xsl:with-param> <xsl:with-param name="target_enlace" select="target_enlace"></xsl:with-param> </xsl:call-template> </xsl:when> <xsl:when test="etiqueta = 'Subtitulo'"> <xsl:call-template name="imprimeSubtituloParrafo"> <xsl:with-param name="etiqueta" select="etiqueta"></xsl:with-param> <xsl:with-param name="valor" select="valor"></xsl:with-param> <xsl:with-param name="longitud" select="longitud"></xsl:with-param> <xsl:with-param name="comentario" select="comentario"></xsl:with-param> <xsl:with-param name="enlace" select="enlace"></xsl:with-param> <xsl:with-param name="target_enlace" select="target_enlace"></xsl:with-param> </xsl:call-template> </xsl:when> <xsl:when test="etiqueta = 'Imagen'"> <xsl:call-template name="imprimeImagenParrafo"> <xsl:with-param name="etiqueta" select="etiqueta"></xsl:with-param> <xsl:with-param name="valor" select="valor"></xsl:with-param> <xsl:with-param name="longitud" select="longitud"></xsl:with-param> <xsl:with-param name="comentario" select="comentario"></xsl:with-param> <xsl:with-param name="enlace" select="enlace"></xsl:with-param> <xsl:with-param name="target_enlace" select="target_enlace"></xsl:with-param> </xsl:call-template> </xsl:when> <xsl:when test="etiqueta = 'Pie Imagen'"> <xsl:call-template name="imprimePieImagenParrafo"> <xsl:with-param name="etiqueta" select="etiqueta"></xsl:with-param> <xsl:with-param name="valor" select="valor"></xsl:with-param> <xsl:with-param name="longitud" select="longitud"></xsl:with-param> <xsl:with-param name="comentario" select="comentario"></xsl:with-param> <xsl:with-param name="enlace" select="enlace"></xsl:with-param> <xsl:with-param name="target_enlace" select="target_enlace"></xsl:with-param> </xsl:call-template> </xsl:when> <xsl:when test="etiqueta = 'Texto'"> <xsl:call-template name="imprimeTextoParrafo"> <xsl:with-param name="etiqueta" select="etiqueta"></xsl:with-param> <xsl:with-param name="valor" select="valor"></xsl:with-param> <xsl:with-param name="longitud" select="longitud"></xsl:with-param> <xsl:with-param name="comentario" select="comentario"></xsl:with-param> <xsl:with-param name="enlace" select="enlace"></xsl:with-param> <xsl:with-param name="target_enlace" select="target_enlace"></xsl:with-param> </xsl:call-template> </xsl:when> <xsl:when test="etiqueta = 'Pie Parrafo'"> <xsl:call-template name="imprimePieParrafo"> <xsl:with-param name="etiqueta" select="etiqueta"></xsl:with-param> <xsl:with-param name="valor" select="valor"></xsl:with-param> <xsl:with-param name="longitud" select="longitud"></xsl:with-param> <xsl:with-param name="comentario" select="comentario"></xsl:with-param> <xsl:with-param name="enlace" select="enlace"></xsl:with-param> <xsl:with-param name="target_enlace" select="target_enlace"></xsl:with-param> </xsl:call-template> </xsl:when> </xsl:choose> </xsl:for-each> </div> </xsl:when> </xsl:choose> </xsl:for-each> </div> </xsl:when> <!-- si no hay resultados --> <xsl:otherwise> <br></br> <p style="text-align:center;">El documento no contiene datos.</p> </xsl:otherwise> </xsl:choose> </xsl:template> <xsl:template name="imprimeTituloParrafo"> <xsl:param name="etiqueta"></xsl:param> <xsl:param name="valor"></xsl:param> <xsl:param name="longitud"></xsl:param> <xsl:param name="enlace"></xsl:param> <xsl:param name="target_enlace"></xsl:param> <h2 class="titulo"> <xsl:choose> <xsl:when test="string-length($enlace) > 0"> <xsl:call-template name="imprimeEnlace"> <xsl:with-param name="valor" select="valor"></xsl:with-param> <xsl:with-param name="longitud" select="longitud"></xsl:with-param> <xsl:with-param name="comentario" select="comentario"></xsl:with-param> <xsl:with-param name="enlace" select="enlace"></xsl:with-param> <xsl:with-param name="target_enlace" select="target_enlace"></xsl:with-param> </xsl:call-template> </xsl:when> <xsl:otherwise> <xsl:value-of select="$valor"/> </xsl:otherwise> </xsl:choose> </h2> </xsl:template> <xsl:template name="imprimeSubtituloParrafo"> <xsl:param name="etiqueta"></xsl:param> <xsl:param name="valor"></xsl:param> <xsl:param name="longitud"></xsl:param> <xsl:param name="enlace"></xsl:param> <xsl:param name="target_enlace"></xsl:param> <h3 class="subtitulo"> <xsl:choose> <xsl:when test="string-length($enlace) > 0"> <xsl:call-template name="imprimeEnlace"> <xsl:with-param name="valor" select="valor"></xsl:with-param> <xsl:with-param name="longitud" select="longitud"></xsl:with-param> <xsl:with-param name="comentario" select="comentario"></xsl:with-param> <xsl:with-param name="enlace" select="enlace"></xsl:with-param> <xsl:with-param name="target_enlace" select="target_enlace"></xsl:with-param> </xsl:call-template> </xsl:when> <xsl:otherwise> <xsl:value-of select="$valor"/> </xsl:otherwise> </xsl:choose> </h3> </xsl:template> <xsl:template name="imprimeTextoParrafo"> <xsl:param name="etiqueta"></xsl:param> <xsl:param name="valor"></xsl:param> <xsl:param name="longitud"></xsl:param> <xsl:param name="enlace"></xsl:param> <xsl:param name="target_enlace"></xsl:param> <div class="texto"> <p class="texto"> <xsl:copy-of select="$valor/node()"/> </p> </div> </xsl:template> <xsl:template name="imprimeImagenParrafo"> <xsl:param name="etiqueta"></xsl:param> <xsl:param name="valor"></xsl:param> <xsl:param name="longitud"></xsl:param> <xsl:param name="comentario"></xsl:param> <xsl:param name="enlace"></xsl:param> <xsl:param name="target_enlace"></xsl:param> <xsl:choose> <xsl:when test="string-length($enlace) = 0"> <xsl:call-template name="imprimeImagen"> <xsl:with-param name="etiqueta" select="etiqueta"></xsl:with-param> <xsl:with-param name="valor" select="valor"></xsl:with-param> <xsl:with-param name="longitud" select="longitud"></xsl:with-param> <xsl:with-param name="comentario" select="comentario"></xsl:with-param> <xsl:with-param name="enlace" select="enlace"></xsl:with-param> <xsl:with-param name="target_enlace" select="target_enlace"></xsl:with-param> </xsl:call-template> </xsl:when> <xsl:otherwise> <a> <xsl:choose> <xsl:when test="$target_enlace/node() = 'E'"> <xsl:attribute name="target"> <xsl:text>_blank</xsl:text> </xsl:attribute> </xsl:when> <xsl:when test="$target_enlace/node() = 'I'"> <xsl:attribute name="target"> <xsl:text>_self</xsl:text> </xsl:attribute> </xsl:when> </xsl:choose> <xsl:attribute name="href"> <xsl:value-of select="$enlace"/> </xsl:attribute> <xsl:call-template name="imprimeImagen"> <xsl:with-param name="etiqueta" select="etiqueta"></xsl:with-param> <xsl:with-param name="valor" select="valor"></xsl:with-param> <xsl:with-param name="longitud" select="longitud"></xsl:with-param> <xsl:with-param name="comentario" select="comentario"></xsl:with-param> <xsl:with-param name="enlace" select="enlace"></xsl:with-param> <xsl:with-param name="target_enlace" select="target_enlace"></xsl:with-param> </xsl:call-template> </a> </xsl:otherwise> </xsl:choose> </xsl:template> <xsl:template name="imprimeImagen"> <xsl:param name="etiqueta"></xsl:param> <xsl:param name="valor"></xsl:param> <xsl:param name="longitud"></xsl:param> <xsl:param name="comentario"></xsl:param> <xsl:param name="enlace"></xsl:param> <xsl:param name="target_enlace"></xsl:param> <div class="imagen_pie"> <img> <xsl:attribute name="src"> <xsl:value-of select="$valor"/> </xsl:attribute> <xsl:attribute name="alt"> <xsl:value-of select="$comentario"/> </xsl:attribute> </img> </div> </xsl:template> <xsl:template name="imprimeEnlace"> <xsl:param name="valor"></xsl:param> <xsl:param name="longitud"></xsl:param> <xsl:param name="comentario"></xsl:param> <xsl:param name="enlace"></xsl:param> <xsl:param name="target_enlace"></xsl:param> <a> <xsl:choose> <xsl:when test="$target_enlace/node() = 'E'"> <xsl:attribute name="target"> <xsl:text>_blank</xsl:text> </xsl:attribute> </xsl:when> <xsl:when test="$target_enlace/node() = 'I'"> </xsl:when> <xsl:when test="$target_enlace/node() = 'D'"> </xsl:when> </xsl:choose> <xsl:attribute name="href"> <xsl:value-of select="enlace"/> </xsl:attribute> <xsl:value-of select="$valor"/> </a> </xsl:template> .... </xsl:stylesheet> I need to first apply the template image (if exists in this "PARRAFO") "Imagen" just before the text "Texto" Now apply the template text first and then the image because it is before the text node before the image as shown in xml Thanks a lot!

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• Objective C Array and Object Release

  - by david

  Hi, I have a newbie question regarding when to release the elements of a NSArray. See following pseudo code: NSMutalbeArray *2DArray = [[NSMutableArray alloc] initWithCapacity:10]; for (int i=0;i<10;i++) { NSMutableArray *array = [[MSMutableArray alloc] initWithCapacity:5]; for (int j=0;j<5;j++) { MyObject *obj = [[MyObject alloc] init]; [array addObject:obj]; [obj release]; } [2DArray addObject:array]; [array release]; } // use 2DArray to do something [2DArray release] My question here is, when I release 2DArray, do I need to explicitly release each of its element (array) first? Also, before I release the "array" object, do I need to release each of its element (MyObject) first? I am new to Objective C. Please help. thanks.

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• How to View Android Native Code Profiling?

  - by David R.

  I started my emulator with ./emulator -trace profile -avd emulator_15. I then tracked down the trace files to ~/.android/avd/rodgers_emulator_15.avd/traces/profile, where there are six files: qtrace.bb, qtrace.exc, qtrace.insn, qtrace.method, qtrace.pid, qtrace.static. I can't figure out what to do with these files. I've tried both dmtracedump and traceview on all of the files, but none seem to generate any output I can do anything with. How can I view the proportion of time taken by native method calls on Android?

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• Basic questions about SNMP

  - by David Hodgson

  Hi, I'm learning about SNMP, and writing some applications using it. I have some basic questions about the protocol: Do the agents store its state on the device itself? If there is a trap set on an agent, can you do a poll on the same OID to get the same information? Without using a mib file, is there a way to query a device for all of its information at once? If not, and you're writing your own customized manager, do you have to know the structure of what it reports up front? If you're setting up an agent to report, is there usually a way to control the frequency of how often it sends a trap? Or does it usually send a trap as often as some condition is satisfied?

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• Finding a 3rd party QWidget with injected code & QWidget::find(hwnd)

  - by David Menard

  Hey, I have a Qt Dll wich I inject into a third-party Application using windows detours library: if(!DetourCreateProcessWithDll( Path, NULL, NULL, NULL, TRUE, CREATE_DEFAULT_ERROR_MODE | CREATE_SUSPENDED, NULL, NULL, &si, &pi, "C:\\Program Files\\Microsoft Research\\Detours Express 2.1\\bin\\detoured.dll", "C:\\Users\\Dave\\Documents\\Visual Studio 2008\\Projects\\XOR\\Debug\\XOR.dll", NULL)) and then I set a system-wide hook to intercept window creation: HHOOK h_hook = ::SetWindowsHookEx(WH_CBT, (HOOKPROC)CBTProc, Status::getInstance()->getXORInstance(), 0); Where XOR is my programs name, and Status::getInstance() is a Singleton where I keep globals. In my CBTProc callback, I want to intercept all windows that are QWidgets: HWND hwnd= FindWindow(L"QWidget", NULL); which works well, since I get a corresponding HWND (I checked with Spy++) Then, I want to get a pointer to the QWidget, so I can use its functions: QWidget* q = QWidget::find(hwnd); but here's the problem, the returned pointer is always 0. Am I not injecting my code into the process properly? Or am I not using QWidget::find() as I should? Thanks, Dave EDIT:If i change the QWidget::find() function to an exported function of my DLL, after setting the hooks (so I can set and catch a breakpoint), QWidgetPrivate::mapper is NULL.

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• SQL CE not loading from network share

  - by David Veeneman

  I installed VS 2010 RC yesterday, and suddenly, SQL Server CE isn't loading files from a network share. In projects compiled with VS 2008, if I try to open a SQL CE file located on a network share, I get an error that reads like this: Internal error: Cannot open the shared memory region. If I try to create a data connection in VS 2010 to a SQL CE file on a network share, I get this error: SQL Server Compact does not support opening database files on a network share. Can anyone shed any light on what's going on? Thanks.

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