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• Is there a way to get number of connections in Signalr hub group?

  - by pajo

  Here is my problem, I want to track if user is online or offline and notify other clients about it. I'm using hubs and implemented both IConnected and IDisconnect interfaces. My idea was to send notification to all clients when hub detects connect or disconnect. By default when user refreshes page he will get new connection id and eventually previous connection will call disconnect notifying other clients user is offline even though he's actually online. I tired to use my own ConnectionIdFactory returning username for connection id but with multiple tabs opened at some point it will detect user connectionid disconnected and after that client side hub will try to unsuccessfully connect to the hub in endless loop wasting memory and cpu making browser almost unusable. I needed to fix it fast so I removed my factory and now I add every new connection to the group using username, so I can easily notify single user on all connections, but then I have problem of detecting if user is online or offline as I don't know how many active connection user is having. So I'm wondering is there a way to get number of connections in one group? Or if anybody has some better idea how to track when user goes offline? I'm using Signalr 0.4

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• Migration solution for singletons in an OSGI environment

  - by Ido

  I'm working in a JEE Environment in which each application is in a war file of its own. In the WEB-INF/lib of each application war file there is a common jar that is shared by all applications. This common jar contains several Singletons which are accessed from many points in the code. Because of the war-file boundaries each application has its own instances of the Singletons. Which is how we operate today, since we want to configure some of the singletons differently in each application. Now we are moving towards an OSGi environment, where this solution will no longer work since each bundle has its own class loader, so if I try to access MySingleton which resides in bundle "common.jar" from bundle "appA.jar" or from bundle "appB.jar" I will get the same instance. Remember I "want" a different instance of a singleton per bundle. (as ironic as it sounds) Now I realize the ideal solution would be to fix the code to not rely on those singletons, however due to a tight schedule I was wondering if you guys can suggest some sort of a migration solution that would allow me to use bundle-wide singletons so each of them could be configured per bundle.

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• Add delay and focus for a dead simple accordion jquery

  - by kuswantin

  I found the code somewhere in the world, and due to its dead simple nature, I found some things in need to fix, like when hovering the trigger, the content is jumping up down before it settled. I have tried to change the trigger from the title of the accordion block to the whole accordion block to no use. I need help to add a delay and only do the accordion when the cursor is focus in the block. I have corrected my css to make sure the block is covering the hidden part as well when toggled. Here is my latest modified code: var acTrig = ".accordion .title"; $(acTrig).hover(function() { $(".accordion .content").slideUp("normal"); $(this).next(".content").slideDown("normal"); }); $(acTrig).next(".content").hide(); $(acTrig).next(".content").eq(0).css('display', 'block'); This is the HTML: <div class="accordion clearfix"> <div class="title">some Title 1</div> <div class="content"> some content blah </div> </div> <div class="accordion clearfix"> <div class="title">some Title 2</div> <div class="content"> some content blah </div> </div> <div class="accordion clearfix"> <div class="title">some Title 3</div> <div class="content"> some content blah </div> </div> I think I need a way to stop event bubbling somewhere around the code, but can't get it right. Any help would be very much appreciated. Thanks as always.

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• Java Random Slowdowns on Mac OS cont'd

  - by javajustice

  I asked this question a few weeks ago, but I'm still having the problem and I have some new hints. The original question is here: http://stackoverflow.com/questions/1651887/java-random-slowdowns-on-mac-os Basically, I have a java application that splits a job into independent pieces and runs them in separate threads. The threads have no synchronization or shared memory items. The only resources they do share are data files on the hard disk, with each thread having an open file channel. Most of the time it runs very fast, but occasionally it will run very slow for no apparent reason. If I attach a CPU profiler to it, then it will start running quickly again. If I take a CPU snapshot, it says its spending most of its time in "self time" in a function that doesn't do anything except check a few (unshared unsynchronized) booleans. I don't know how this could be accurate because 1, it makes no sense, and 2, attaching the profiler seems to knock the threads out of whatever mode they're in and fix the problem. Also, regardless of whether it runs fast or slow, it always finishes and gives the same output, and it never dips in total cpu usage (in this case ~1500%), implying that the threads aren't getting blocked. I have tried different garbage collectors, different sizings the parts of the memory space, writing data output to non-raid drives, and putting all data output in threads separate the main worker threads. Does anyone have any idea what kind of problem this could be? Could it be the operating system (OS X 10.6.2) ? I have not been able to duplicate it on a windows machine, but I don't have one with a similar hardware configuration.

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• PNG Transparency Problems in IE8

  - by user138777

  I'm having problems with a transparent PNG image showing black dithered pixel artifacts around the edge of the non transparent part of the image. It only does this in Internet Explorer and it only does it from a Javascript file it is used in. Here's what I'm talking about... http://70.86.157.71/test/test3.htm (link now dead) ...notice the girl in the bottom right corner. She has artifacts around her in IE8 (I haven't tested it in previous versions of IE, but I'm assuming it probably does the same). It works perfectly in Firefox and Chrome. The image is loaded from a Javascript file to produce the mouseover effect. If you load the image all by itself, it works fine. Here's the image... http://70.86.157.71/test/consultant2.png Does anyone know how to fix this? The image was produced in Photoshop CS3. I've read things about removing the Gama, but that apparently was in previous versions of Photoshop and when I load it in TweakPNG, it doesn't have Gama. Please help!

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• PostgreSQL, Foreign Keys, Insert speed & Django

  - by Miles

  A few days ago, I ran into an unexpected performance problem with a pretty standard Django setup. For an upcoming feature, we have to regenerate a table hourly, containing about 100k rows of data, 9M on the disk, 10M indexes according to pgAdmin. The problem is that inserting them by whatever method literally takes ages, up to 3 minutes of 100% disk busy time. That's not something you want on a production site. It doesn't matter if the inserts were in a transaction, issued via plain insert, multi-row insert, COPY FROM or even INSERT INTO t1 SELECT * FROM t2. After noticing this isn't Django's fault, I followed a trial and error route, and hey, the problem disappeared after dropping all foreign keys! Instead of 3 minutes, the INSERT INTO SELECT FROM took less than a second to execute, which isn't too surprising for a table <= 20M on the disk. What is weird is that PostgreSQL manages to slow down inserts by 180x just by using 3 foreign keys. Oh, disk activity was pure writing, as everything is cached in RAM; only writes go to the disks. It looks like PostgreSQL is working very hard to touch every row in the referred tables, as 3MB/sec * 180s is way more data than the 20MB this new table takes on disk. No WAL for the 180s case, I was testing in psql directly, in Django, add ~50% overhead for WAL logging. Tried @commit_on_success, same slowness, I had even implemented multi row insert and COPY FROM with psycopg2. That's another weird thing, how can 10M worth of inserts generate 10x 16M log segments? Table layout: id serial primary, a bunch of int32, 3 foreign keys to small table, 198 rows, 16k on disk large table, 1.2M rows, 59 data + 89 index MB on disk large table, 2.2M rows, 198 + 210MB So, am I doomed to either drop the foreign keys manually or use the table in a very un-Django way by defining saving bla_id x3 and skip using models.ForeignKey? I'd love to hear about some magical antidote / pg setting to fix this.

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• Button Onclick event (which is in codbehind) doesn't get triggered in MVC 2

  - by rksprst

  I had an MVC 1.0 web application that was in VS 2008; I just upgraded the project to VS 2010 which automatically upgraded MVC to 2.0. I have a bunch of viewpages have codebehind files that were manually added. The project worked fine before the upgrade, but now the onclick even't don't get triggered. I.e. I have an asp:button with an onclick event that points to a method in the codebehind. When you click the button, the onclick event doesn't get triggered. In fact, when you look at the Page variable, IsPostBack is false. This is really bizarre and I'm wondering if anyone know what happened and how to fix it. I'm thinking it has something to do with the changes in MVC 2.0; but I'm not sure. Any help is really appreciated, I've been trying to figure this out for a while. (deleting the codebehinds and moving that to the controller is not really an option since there is so many pages, moving back to vs 2008 is a last resort as I want to make use of some of the VS 2010 features like performance testing.)

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• Using CURL within a loop to download a file, 1st one works, 2nd one times out

  - by kitenski

  Morning all, I am using CURL to download an image file within a loop. The first time it runs fine and I see the image appear in the directory. The second time it fails with a timeout, despite it being a valid URL. Can anyone suggest why it always fails on the 2nd time and how to fix it? The snippet of code is: // download image $extension = "gif"; $ch = curl_init(); curl_setopt($ch, CURLOPT_TIMEOUT, 90); curl_setopt($ch, CURLOPT_URL, $imgurl); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true); echo $imgurl . " attempting to open URL "; $i = curl_exec($ch); if ( $i==false ) { echo curl_errno($ch).' '.curl_error($ch); } $image_name=time().'.'.$extension; $f = fopen('/fulldirectorypath/' . $image_name ,'w+'); fwrite($f,$i); fclose($f); I have put an echo in there to display the $IMGURL, to check it is valid, and upped the timeout to 90 secs, but it still fails. This is what I see on screen: http://images.eu-xmedia.de/thumbnails/34555861/5676051/pt=pic,lang=2,origfile=yes/image.gif attempting to open URL 28 Operation timed out after 90 seconds with 0 bytes received an empty file is created in my directory. thanks alot, Greg

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• Are there solutions for streamlining the update of legacy code in multiple places?

  - by ccomet

  I'm working in some old code which was originally designed for handling two different kinds of files. I was recently tasked with adding a new kind of file to this code. Most of my problems were solved by filling out an extensive XML file with a new entry that handled everything from what lists were named to how the file is written in plural lower case. But this ended up being insufficient, as there were maybe 50 different places in 24 different code files where I had to update hardcoded switch-statements that only branched for the original two file types. Unfortunately there is no consistency in this; there are methods which operate half from the XML file, and half off of hardcode. Some of the files which look like they would operate off of the XML file don't, and some that I would expect that I'd need to update the hardcode don't need it. So the only way to find the majority of these is to run through testing the whole system when only part of it is operational, finding that one step to fix (when I'm lucky that error logging actually tells me what is going on), and then running the whole thing again. This wastes time testing the parts of the code which are already confirmed to work, time better spent testing the new parts I have to add on top of it all. It's a hassle and a half, and to my luck I can expect that I will have to add yet another new kind of file in the near future. Are there any solutions out there which can aid in this kind of endeavour? Something which I can input some parameters of current features, document what points in a whole code project actually need to be updated, and run something nice the next time I need to add a new feature to the code. It needn't even be fully automated, something that'll help me navigate straight to the specific points in everything and maybe even record what kind of parameters need to be loaded. Doubt it matters specifically, but the code is comprised of ASP.NET pages, some ASP.NET controls, hundreds of C# code files, and a handful of additional XML files. It's all currently in a couple big Visual Studio 2008 projects.

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• Very weird C file-handling anomaly

  - by KáGé

  Hello, I got a very weird issue that I cant figure out in my school project, which is the simulation of a simple filesystem in a human-readable textfile. Unfortunately I don't yet have enough time to translate the comments in my code or make it less gibberish, so if you are bothered by that, you don't have to help, I understand. See the code HERE. Now in drive.h, at line 574 is this part: i = getline(); #ifdef DEBUG printf("Free space in all found at %d.\n\n", i); if(drive.disk != NULL){ printf("Disk OK\n\n"); } #endif //write in data state = seekline(i); Before this it finds place for the allocation database entry in the ALL sector (see the "image files" in the mounts folder, this issue was tested on mount_30.efs-dbf), then gets the line with i = getline() fine (getline is in lglobal.h, line 39), but after that any file manipulation (in this case seekline's fseek, but if I comment that out, then the first fprintf after that) crashes the program straight away. I think the file gets somehow corrupted (though the Disk OK message appears) but can't figure out how. I've tried putting i = getline(); into comment, but it didn't make any difference. I've also tried asking at local programming forums but they didn't really help either. The last few lines of the output before it crashes: Dir written. (drive.h line 562) Seekline entered: 268 (called at drive.h line 564) Getline entered. (called at drive.h line 574) Line got: 268. Free space in all found at 268. (drive.h line 576) Seekline entered: 268 (called at drive.h line 582, note that this exact call was run successfully less than 20 lines back. This one should set the pointer to the beginning of the line it is currently in) After this it crashes. Does anyone has any idea of what causes this and how could I fix it? Thank you.

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• Console Errors - Not a Jquery Guru Yet

  - by user2528902

  I am hoping that someone can help me to correct some issues that I am having with a custom script. I took over the management of a site and there seems to be an issue with the following code: /* jQUERY CUSTOM FUNCTION ------------------------------ */ jQuery(document).ready(function($) { $('.ngg-gallery-thumbnail-box').mouseenter(function(){ var elmID = "#"+this.id+" img"; $(elmID).fadeOut(300); }); $('.ngg-gallery-thumbnail-box').mouseleave(function(){ var elmID = "#"+this.id+" img"; $(elmID).fadeIn(300); }); var numbers = $('.ngg-gallery-thumbnail-box').size(); function A(i){ setInterval(function(){autoSlide(i)}, 7000); } A(0); function autoSlide(i) { var numbers = $('.ngg-gallery-thumbnail-box').size(); var elmCls = $("#ref").attr("class"); $(elmCls).fadeIn(300); var randNum = Math.floor((Math.random()*numbers)+1); var elmClass = ".elm"+randNum+" img"; $("#ref").attr("class", elmClass); $(elmClass).fadeOut(300); setInterval(function(){arguments.callee.caller(randNum)}, 7000); } }); The error that I am seeing in the console on Firebug is "TypeError: arguments.callee.caller is not a function. I am just getting started with jQuery and have no idea how to fix this issue. Any assistance with altering the code so that it still works but doesn't throw up all of these errors (if I load the site and let it sit in my browser for 10 minutes I have over 10000 errors in the console) would be greatly appreciated!

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• PHP error problem.

  - by TaG

  I get the following error on line 8: Undefined index: real_name which is $privacy_policy = mysqli_real_escape_string($mysqli, $_POST['privacy_policy']); I was wondering how can I fix this problem? Here is the PHP. if (isset($_POST['submitted'])) { $mysqli = mysqli_connect("localhost", "root", "", "sitename"); $dbc = mysqli_query($mysqli,"SELECT users.* FROM users WHERE user_id=3"); $privacy_policy = mysqli_real_escape_string($mysqli, $_POST['privacy_policy']); if (mysqli_num_rows($dbc) == 0) { $mysqli = mysqli_connect("localhost", "root", "", "sitename"); $dbc = mysqli_query($mysqli,"INSERT INTO users (user_id, privacy_policy) VALUES ('$user_id', '$privacy_policy')"); } if ($dbc == TRUE) { $dbc = mysqli_query($mysqli,"UPDATE users SET privacy_policy = '$privacy_policy' WHERE user_id = '$user_id'"); echo '<p class="changes-saved">Your changes have been saved!</p>'; } if (!$dbc) { print mysqli_error($mysqli); return; } } Here is the HTML. <form method="post" action="index.php"> <fieldset> <ul> <li><input type="checkbox" name="privacy_policy" id="privacy_policy" value="yes" <?php if (isset($_POST['privacy_policy'])) { echo 'checked="checked"'; } else if($privacy_policy == "yes") { echo 'checked="checked"'; } ?> /></li> <li><input type="submit" name="submit" value="Save Changes" class="save-button" /> <input type="hidden" name="submitted" value="true" /> <input type="submit" name="submit" value="Preview Changes" class="preview-changes-button" /></li> </ul> </fieldset> </form>

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• When using Clipboard, Toolkit and Transferable, I get an error objecting to image width and height

  - by Mike King

  When I run the following code it triggers an error message. The error message is shown below the code. What code changes, or changes to the image file, are needed to fix this error? Help will be appreciated. import java.awt.*; import java.awt.datatransfer.*; public class LoadToClipboard { public static void main( String [] args ) { Toolkit tolkit = Toolkit.getDefaultToolkit(); Clipboard clip = tolkit.getSystemClipboard(); clip.setContents( new ImageSelection( tolkit.getImage("StackOverflowLogo.png")) , null ); } } class ImageSelection implements Transferable { private Image image; public ImageSelection(Image image) { this.image = image; } // Returns supported flavors public DataFlavor[] getTransferDataFlavors() { return new DataFlavor[]{DataFlavor.imageFlavor}; } // Returns true if flavor is supported public boolean isDataFlavorSupported(DataFlavor flavor) { return DataFlavor.imageFlavor.equals(flavor); } // Returns image public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException { if (!DataFlavor.imageFlavor.equals(flavor)) { throw new UnsupportedFlavorException(flavor); } return image; } } Exception in thread "main" java.lang.IllegalArgumentException: Width (-1) and height (-1) cannot be <= 0 at java.awt.image.DirectColorModel.createCompatibleWritableRaster(DirectColorModel.java:999) at sun.awt.datatransfer.DataTransferer.imageToStandardBytes(DataTransferer.java:1994) at sun.awt.windows.WDataTransferer.imageToPlatformBytes(WDataTransferer.java:267) at sun.awt.datatransfer.DataTransferer.translateTransferable(DataTransferer.java:1123) at sun.awt.windows.WDataTransferer.translateTransferable(WDataTransferer.java:163) at sun.awt.windows.WClipboard.setContentsNative(WClipboard.java:73) at sun.awt.datatransfer.SunClipboard.setContents(SunClipboard.java:93) at automateSignature.LoadToClipboard.main(LoadToClipboard.java:8) I have tried to find a place in the code where width and height can be specified, but have not succeeded. I also examined the properties of the jpg file and the w and h are specified.enter code here

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• Need help with a PHP proxy script

  - by blabus

  I’m currently working on a small web app that allows people to search for music album covers. However, I’m having a problem getting my PHP proxy to work. Right now I’m using a simple PHP proxy script to grab the HTML from Google’s image result page, and parse it to find the first image result (I can’t use the image search API because it doesn’t offer the parameters that I need to use). I know that the PHP script works in some way, because I’ve used it to grab XML data across domains, so I also assume that since I’m trying to grab HTML that’s what’s causing the error. So anyway, here is the site where you can see it: http://www.5byfive.net/beta/index.html Just type something into the textbox, and it will come up with the error that’s returned (I’ve placed the HTML into a file so you can see what it actually looks like here: http://www.5byfive.net/beta/error.html ). Now, I’ve tried searching for info on the web, but unfortunately I basically know nothing about PHP, so I really don’t know how to fix it, and was wondering if anyone here could lend any info or help. Thanks!

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• Using SiteMesh with RequestDispatcher's forward()

  - by Rob Hruska

  I'm attempting to integrate SiteMesh into a legacy application using Tomcat 5 as my a container. I have a main.jsp that I'm decorating with a simple decorator. In decorators.xml, I've just got one decorator defined: <decorators defaultdir="/decorators"> <decorator name="layout-main" page="layout-main.jsp"> <pattern>/jsp/main.jsp</pattern> </decorator> </decorators> This decorator works if I manually go to http://example.com/my-webapp/jsp/main.jsp. However, there are a few places where a servlet, instead of doing a redirect to a jsp, does a forward: getServletContext().getRequestDispatcher("/jsp/main.jsp").forward(request, response); This means that the URL remains at something like http://example.com/my-webapp/servlet/MyServlet instead of the jsp file and is therefore not being decorated, I presume since it doesn't match the pattern in decorators.xml. I can't do a <pattern>/*</pattern> because there are other jsps that do not need to be decorated by layout-main.jsp. I can't do a <pattern>/servlet/MyServlet*</pattern> because MyServlet may forward to main.jsp sometimes and perhaps error.jsp at other times. Is there a way to work around this without expansive changes to how the servlets work? Since it's a legacy app I don't have as much freedom to change things, so I'm hoping for something configuration-wise that will fix this. SiteMesh's documentation really isn't that great. I've been working mostly off the example application that comes with the distribution. I really like SiteMesh, and am hoping I can get it to work in this case.

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• Can't get RDFlib to work on windows

  - by john

  I have installed RDFlib 3.0 and everything that is needed, but when I run the following code I get an error. The code below is from: http://code.google.com/p/rdflib/wiki/IntroSparql. I have tried for hours to fix this but with no success. Can please someone help? import rdflib rdflib.plugin.register('sparql', rdflib.query.Processor, 'rdfextras.sparql.processor', 'Processor') rdflib.plugin.register('sparql', rdflib.query.Result, 'rdfextras.sparql.query', 'SPARQLQueryResult') from rdflib import ConjunctiveGraph g = ConjunctiveGraph() g.parse("http://bigasterisk.com/foaf.rdf") g.parse("http://www.w3.org/People/Berners-Lee/card.rdf") from rdflib import Namespace FOAF = Namespace("http://xmlns.com/foaf/0.1/") g.parse("http://danbri.livejournal.com/data/foaf") [g.add((s, FOAF['name'], n)) for s,_,n in g.triples((None, FOAF['member_name'], None))] for row in g.query( """SELECT ?aname ?bname WHERE { ?a foaf:knows ?b . ?a foaf:name ?aname . ?b foaf:name ?bname . }""", initNs=dict(foaf=Namespace("http://xmlns.com/foaf/0.1/"))): print "%s knows %s" % row The error I get is: Traceback (most recent call last): File "...", line 18 in <module> initNs=dict(foaf=Namespace("http://xmlns.com/foaf/0.1/"))): TypeError: query() got an unexpected keyword argument 'initNS'

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• Template compiling errors on iPhone SDK 3.2

  - by Didier Malenfant

  I'm porting over some templated code from Windows and I'm hitting some compiler differences on the iPhone 3.2 SDK. Original code inside a class template's member function is: return BinarySearch<uint32, CSimpleKey<T> >(key); where BinarySearch is a method inherited from another template. This produces the following error: csimplekeytable.h:131: error: no matching function for call to 'BinarySearch(NEngine::uint32&)' The visual studio compiler seems to walk up the template hierarchy fine but gcc needs me to fully qualify where the function comes from (I have verified this by fixing the same issues with template member variables that way). So I now need to change this into: return CSimpleTable<CSimpleKey<T> >::BinarySearch<uint32, CSimpleKey<T> >(key); Which now produces the following error: csimplekeytable.h:132: error: expected primary-expression before ',' token csimplekeytable.h:132: error: expected primary-expression before '>' token After some head scratching, I believe what's going on here is that it's trying to resolve the '<' before BinarySearch as a 'Less Than' operator for some reason. So two questions: - Am I on the right path with my interpretation of the error? - How do I fix it? -D

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• jsf messed up links

  - by Mateusz

  I'm new to JSF. My application is working, but I'm confused with links in browser when using controller. BTW, there is also PrimeFaces in my app so don't be suprised with p: tags. Let's say I have 'list' and 'show' pages with controller doing redirection between them. First I'm on http://localhost:8080/y/r/conversation/list.xhtml page. There is link created with line <p:commandLink action="#{lazyConversationBean.doShow(conv)}" ajax="false" value="View"/>. lazyConversationBean acts here as my Controller. There is method: public String doShow(Conversation c) { this.setSelectedConversation(c); return "view"; } from which I got redirected to ...... again http://localhost:8080/y/r/conversation/list.xhtml (browser shows it) even when it's correct http://localhost:8080/y/r/conversation/view.xhtml page. There I have link <p:commandButton action="#{lazyConversationBean.doList()}" ajax="false" value="Back to list"/> and again controller has method: public String doList() { return "list"; } from which I got redirected to ... yeah, you guessed right ... http://localhost:8080/y/r/conversation/view.xhtml (that is again what browser shows) even when again it is correct http://localhost:8080/y/r/conversation/list.xhtml page. It seams as browser link area is always one step behind page currently being displayed. I don't even know if it's some incorrect behaviour as I have no idea how to query google for this :D Just for test I did this short tutorial, where netbeans created whole stack of code on one of my entities, and behaviour was the same, so it's not PrimeFaces magic related. Can you tell my why it happens, and how to fix it? Users likes to copy correct links ;)

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• Selective JQuery validation

  - by TenaciousImpy

  Hi, I'm using JQuery Validation to validate a particular textbox in my form. The textbox is an optional website section, which uses the url validation method. This works fine and validates accordingly. I would like to have http:// preset into the textbox, to save the user having to type it. However, when the text is set, the validator becomes 'active', and prevents anything on the form being submitted until either the http:// is manually removed, or a valid website is entered. Is there a way of preseting text into the textbox, which won't cause the validator to start validating? I tried to use $("[id$='tbWebsite']").val("http://"); just before I call form.validate(), but it doesn't work (i.e. it still gets checked). I've never used JQuery Validator before, so hopefully there's a fix for this that I'm missing! An alternate solution for my case in particular, could be to activate the validator if a certain button is pressed (instead of any button on the form). Would that be possible? Thanks

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• How do I get rid of these warnings?

  - by Brian Postow

  This is really several questions, but anyway... I'm working with a big project in XCode, relatively recently ported from MetroWorks (Yes, really) and there's a bunch of warnings that I want to get rid of. Every so often an IMPORTANT warning comes up, but I never look at them because there's too many garbage ones. So, if I can either figure out how to get XCode to stop giving the warning, or actually fix the problem, that would be great. Here are the warnings: It claims that <map.h> is antiquated. However, when I replace it with <map> my files don't compile. Evidently, there's something in map.h that isn't in map... this decimal constant is unsigned only in ISO C90 This is a large number being compared to an unsigned long. I have even cast it, with no effect. enumeral mismatch in conditional expression: <anonymous enum> vs <anonymous enum> This appears to be from a ?: operator. Possibly that the then and else branches don't evaluate to the same type? Except that in at least one case, it's (matchVp == NULL ? noErr : dupFNErr) And since those are both of type OSErr, which is mac defined... I'm not sure what's up. It also seems to come up when I have other pairs of mac constants... multi-character character constant This one is obvious. The problem is that I actually NEED multi-character constants... -fwritable-strings not compatible with literal CF/NSString I unchecked the "Strings are Read-Only" box in both the project and target settings... and it seems to have had no effect...

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• Very Unusual Margin Appears Always in Internet Explorer [CSS]

  - by Jay

  Only in Internet Explorer does this occur: I'm getting an additional margin (of 19 pixels) below a fieldset and I can't seem to see why, whatever I try! Try it for yourself, take a look at http://theshrop.com/d/call_us_or_call_in.php. To aid I've added a grid and some background colours. The fieldset should have a 1.125em bottom margin and it does in Safari, Firefox etc. It has an extra 19 pixels in Internet Explorer? I've given the fieldset a width and height so it hasLayout, hope this helps. body{ color:#171717; font:1em/1.125em Georgia,serif; margin:0; padding:0; } /* */ fieldset{ background:fuchsia; border:0 solid green; border-width:0.0625em 0; height:19.125em; margin:0 0 1.125em; padding:3.3125em 1.125em 1.0625em; position:relative; width:31.5em; } /* */ form dl{ margin:0; } form dl dd{ /* */ height:2.25em; margin:0 0 1.125em; position:relative; /* */ } form dl dt{ margin:0 0 1.125em; } /* */ form dl dt+dd+dt+dd{ height:7.875em; } /* */ form dl+div{ line-height:2.25em; /* */ margin:0; padding:0; /* */ } h3{ color:#701; font:bold 1em/1.125em Helvetica,Arial,serif; margin:0 0 1.125em; text-transform:uppercase; } input[type=text]{ border:0.0625em solid #171717; font:1em/1.125em Georgia,serif; height:1.125em; margin:0; padding:0.5em 1.0625em; /* */ position:absolute; top:0; /* */ } /* */ legend{ background:aqua; margin:1.0625em 0 1.125em; padding:0; position:absolute; top:0; } /* */ p{ background:lime; margin:0 0 1.125em; } textarea{ border:0.0625em solid #171717; font:1em/1.125em Georgia,serif; height:6.75em; margin:0; padding:0.5em 1.0625em; /* */ position:absolute; top:0; /* */ } .Address{ margin:0 0 1.125em; } .Address dd{ margin:0; } .Address dt{ display:none; } .Address dt+dd+dt+dd{ display:inline; } .Address dt+dd+dt+dd+dt+dd+dt+dd{ display:block; text-transform:uppercase; } .Bad{ background:#dbb; color:#901; } .Calendar{ list-style:none; margin:0; padding:0; } .Calendar dd{ background:#701; font:bold 0.5625em/2em Helvetica,Arial,serif; margin:0; text-align:center; text-transform:uppercase; } .Calendar dl{ border:0 solid #111; border-width:0.0625em 0.125em 0.125em 0.0625em; float:left; margin:-0.0625em 1em 1em 1.0625em; width:3.375em; } .Calendar dt{ display:none; } .Calendar dt+dd+dt+dd{ background:#fff; color:#171717; font:1em/2.25em Georgia,serif; margin:0; } .Calendar h4{ float:right; font:1em/1.125em Georgia,serif; margin:0 0 1.125em; width:10.125em; } .Calendar li{ clear:both; } .Calendar p{ float:right; font:1em/1.125em Georgia,serif; width:10.125em; } .Good{ background:#bdb; color:#091; } .Left{ float:left; margin:0 0.5625em 0 1.125em; } .Message{ border-style:solid; border-width:0.0625em; margin:0 0 1.125em; padding:1em 1.0625em 0; } .Message p{ margin:0 0 1.0625em; padding:0.0625em 0 0; } .Narrow{ width:15.75em; } .Narrow input[type=text]{ width:13.5em; } .Right{ float:right; margin:0 1.125em 0 0.5625em; } .Wide{ /* */ background:gray; /* */ width:31.5em; } .Wide input[type=text]{ width:29.25em; } .Wide textarea{ width:29.25em; } .Wrapper{ background:url(../i/grid_w18_h18.png); margin:0 auto; overflow:hidden; padding:1.125em 0 0; position:relative; width:50.625em; } #Blackboard{ background:#171717; color:#fff; margin:1.125em 0 0; min-width:50.625em; } #Blackboard a{ background:#111; color:#fff; } #Blackboard h3{ color:#fff; } #Blackboard div>p{ font:1.5em/1.5em Georgia,serif; } #Footer{ background:#901; clear:both; color:#fff; min-width:50.625em; } #Footer h3{ color:#fff; } #Google_Copilot ol{ padding:0; } #Google_Copilot ol li{ list-style:none; margin:0 0 1.125em; padding:0; /* I.E.7 Fix */ } #Google_Map{ height:23.625em; margin:0 0 1.125em; width:31.5em; } #Google_Query dt{ /* display:none; */ } #Header{ background:#901; min-width:50.625em; } #Header h1{ background:url(../i/the_shropshire_arms_w288_h72.gif) no-repeat 0 2.8125em; font:1em/1.125em serif; height:7.875em; margin:0 0 0 0.5625em; width:18em; } #Header h1 a{ display:none; } #Header h2{ background-color:#933; display:inline; font:1em/2.25em Georgia,serif; left:0; margin:1.125em 0 0 0.5625em; padding:0 0.5625em; position:absolute; top:0; } #Header h2 a{ color:#fff; text-decoration:none; } #Header h2 a span{ text-decoration:underline; } #Header ul{ list-style:none; height:2.25em; margin:0; padding:0; } #Header ul li{ display:inline; /* I.E.7 Fix */ } #Header ul li a{ background:#fff; color:#000; float:left; line-height:2.25em; margin:0 0 0 0.5625em; padding:0 0.5625em; text-decoration:none; } #Header .Wrapper{ background:url(../i/shield_w126_h126.gif) no-repeat 42.1875em 1.6875em; } This post could get stupidly long so I'll provide a link to the Web page rather than post the HTML: http://theshrop.com/d/call_us_or_call_in.php I really appreciate answers and all who contribute, thanks in advance!

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• [Qt] How to get rid of OCI.dll dependency when compiling static

  - by STL

  Hi, My application accesses an Oracle database through Qt's QSqlDatabase class. I'm compiling Qt as static for the release build, but I can't seem to be able to get rid of OCI.dll dependency. I'm trying to link against oci.lib (as available in Oracle's Instant Client with SDK). Here's my configure line : configure -qt-libjpeg -qt-zlib -qt-libpng -nomake examples -nomake demos -no-exceptions -no-stl -no-rtti -no-qt3support -no-scripttools -no-openssl -no-opengl -no-phonon -no-style-motif -no-style-cde -no-style-cleanlooks -no-style-plastique -static -release -opensource -plugin-sql-oci -plugin-sql-sqlite -platform win32-msvc2005 I link against oci.h and oci.lib in the SDK's folder by using : set INCLUDE=C:\oracle\instantclient\sdk\include;%INCLUDE% set LIB=C:\oracle\instantclient\sdk\lib\msvc;%LIB% Then, once Qt is compiled, I use the following lines in my *.pro file : QT += sql CONFIG += static LIBS += C:\oracle\instantclient\sdk\lib\msvc\oci.lib QTPLUGIN += qsqloci Then, in my main.cpp, I add the following commands to statically compile OCI plugin in the application : #include <QtPlugin> Q_IMPORT_PLUGIN(qsqloci) After compiling the project, I test it on my workstation and it works (as I have Oracle Instant Client installed). When I try on another workstation, I always get the message: This application has failed to start because OCI.dll was not found. Re-installing this application may fix this problem. I don't understand why I still need OCI.dll, as my statically linked application is supposed to link to oci.lib instead. Is there any Qt people here that might have a solution for me ? Thanks a lot ! STL

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• Globalize/Localize Excel Reports Using Spreadsheet

  - by mga911

  My company has new customers in Brazil and we realized that our excel reports are not working when our Brazilian customers tried to open the reports in their Brazilian versions of excel. For excel output we use spreadsheet gear in our vb.net web application. Our excel worksheets are fairly simple. Mostly outputted text/numbers/dates, a couple of formulas (sum, if) and formatting on the currency and dates. I've tried several methods to get my excel reports to work: First I left the excel workbook in the "en-US" culture and tried simply chaging the number format for Brazil to: _-[$R$-416] * #.##0,00_-;-[$R$-416] * #.##0,00_-;_-[$R$-416] * "-"??_-;_-@_- And this formatted the regular cells but the formulas still failed to show a value. Instead they showed a 0 value. Next I tried changing the workbook to the "pt-BR" culture and that also forced me to translate the formula names (Sum - Soma, If - Se) but they still wouldn't should a value and instead showed a #Name/#Nome error. Interestingly enough the formulas would work if I edited the cell and hit enter. The formula wouldn't change but it would some how fix that cell. I need to be able to out excel reports that can format dates/currencies and apply simple formulas (IF, Sum) for other excel cultures. Anyone have any advice?

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• Letter spacing issue with 'overlapping' character

  - by Wesz-T

  I'm having some trouble with a font I found on Google Web Fonts. As you can see in the image posted below, the capital V in 'Versus' overlaps with the 'e' when i'm using Firefox. Though when i'm using Chrome (or IE) it does not overlap and leaves me with an ugly space between the two characters. Is there any way to fix this and make it look like the one in Firefox? Or should I start looking for another font? My HTML: <html> <head> <meta charset="utf-8"> <title>Versus</title> <link rel="stylesheet" type="text/css" href="css/reset.css" /> <link rel="stylesheet" type="text/css" href="css/style.css" /> <link href='http://fonts.googleapis.com/css?family=Marck+Script' rel='stylesheet' type='text/css'> </head> <body> <div> <h1>Versus</h1> </div> </body> My CSS: h1 { font-family: 'Marck Script', cursive; font-size: 100px; color:#444; text-align:center; padding:0 50px; text-shadow: 2px 2px 3px #777; } Thanks in advance!

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• Using XPath on String in Android (JAVA)

  - by Rav

  I am looking for some examples of using xpath in Android? Or if anyone can share their experiences. I have been struggeling to make tail or head of this problem :-( I have a string that contains a standard xml file. I believe I need to convert that into an xml document. I have found this code which I think will do the trick: public static Document stringToDom(String xmlSource) throws SAXException, ParserConfigurationException, IOException { DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); DocumentBuilder builder = factory.newDocumentBuilder(); return builder.parse(new InputSource(new StringReader(xmlSource))); } Next steps Assuming the code above is OK, I need to apply xpath to get values from cat: "/animal/mammal/feline/cat" I look at the dev doc here: http://developer.android.com/reference/javax/xml/xpath/XPath.html and also look online, but I am not sure where to start! I have tried to use the following code: XPathFactory xPathFactory = XPathFactory.newInstance(); // To get an instance of the XPathFactory object itself. XPath xPath = xPathFactory.newXPath(); // Create an instance of XPath from the factory class. String expression = "SomeXPathExpression"; XPathExpression xPathExpression = xPath.compile(expression); // Compile the expression to get a XPathExpression object. Object result = xPathExpression.evaluate(xmlDocument); // Evaluate the expression against the XML Document to get the result. But I get "Cannot be resolved". Eclipse doesn't seem to be able to fix this import. I tried manually entering: javax.xml.xpath.XPath But this did not work. Does anyone know any good source code that I can utilise, for Android platform? 1.5

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