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  • How can I stop the flickering in Scriptaculous?

    - by Richard Testani
    I'm running this script on a page which shows a box with more information when you roll over it. site for review The script works fine, except theres a flicker of the box before it actually scales. What is causing this? I use the same thing in the main navigation with the same flicking. Any ideas whats causing this? //work page springing box $$('.box').each(function(s) { var more = $(s).down(2); $(s).observe('mouseenter', function(e) { $(more).show(); new Effect.Scale(more, 100, { scaleX: false, scaleY: true, scaleContent: false, scaleFrom: 1, mode: 'absolute', duration: 0.5 }); }); $(s).observe('mouseleave', function(e) { new Effect.Fade(more, { duration: 0.2 }) }); }); Thanks. Rich

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  • Creating a CD-burning feature for a music player based on Java

    - by jjanggoo
    Hi, I'm trying to create a CD-burning feature for a Java-based music player for my school project. Since I'm new to real-life programming (I've only learned to write codes on AP Computer Science A level), I don't know how I can apply the concepts I learned from APCS A to this task. A friend of mine who is studying computer science at graduate school told me to "look up the cd player control functions and add methods in those classes to read in data that you want to write to the CD, write it to a buffer, write everything in the buffer to the CD itself, clear the buffer and then write a new chunk of data into the buffer," but I can't quite grasp what this means, and tt's really hard to contact her right now because she's busy working on her dissertation. Can someone from this forum please guide me through & explain the general concepts? Thank you!

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  • [cocoa] NSSearchField not working as expected

    - by Vegar
    Hi, I'm trying to follow Marcus Zarra in his book 'Core Data'. In the book, he makes a small sample application, but it doesn't give much help when things don't work out... He starts out by visually designing three entities, and then adding array controllers for each entity to the main nib. Second, he adds a tableview and some other visual components to show data from the array controllers. So far, I have managed to follow, but now he adds a search field to the gui, and binds it to the same array controller as one of the tableviews. Expected behavior would be for the tableview to get filtered when typing in the search field, but nothing happens. How do I find out what's wrong? The relevant parts from the nib is as follow: NSArrayController Recipes - Mode = Entity - Enitity Name = Recipe TableView w/TableColumn - Value Bind To Recipes -- Controller Key = arrangedObjects -- Model Key Path = name Search Field - Predicate Bind To Recipes -- Controller Key = filterPredicate -- Model Key Path = name -- Display name = predicate -- Predicate Format = keyPath contains $value There are no relevant messages in the console. regards, -Vegar

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  • pdb show different variable values than print statements

    - by martin
    Hi, everyone. I am debugging a python module with homemade c extensions. The output seems correct when I print it with 'p' in pdb. But if I use a normal print statement or pickle it, the output is wrong. What could be causing pdb to show different values than normal execution? I can even step to the print statement in debug mode, and pdb will show the correct value but the program will print the wrong one. The problem seems to happen only when I have called a certain c extension earlier. Glad to post code if that helps. Thank you.

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  • Can I programatically get hold of the Autos/local variables that is shown when debugging?

    - by Stefan
    Im trying to build an error-logger that loggs running values that is active in the function that caused the error. (just for fun so its not a critical problem) When going in break-mode and looking at the locals-tab and autos-tab you can see all active variables (name, type and value), it would be useful to get hold of that for logging purposes when an error occur and on some other occasions. For my example, I just want to find all local variables that are of type string and integer and store the name and value of them. Is this possible with reflection? Any tips or pointers that get me closer to my goal would be very appreciated. I have toyed with using expression on a specifik object (a structure) to create an automapper against a dataset, but I have not done anything like what I ask for above, so please make me happy and say its possible. Thanks.

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  • Cucumber response object -- PHP environment

    - by trisignia
    Hi, I'm using Cucumber to test a PHP application, and while most everything works without issue, I haven't yet figured out how to retrieve a response object for a request -- I'm looking to test whether a response is successful (code 200) and also to perform some Hpricot parsings of the response body. Right now my env.rb file is pretty simple: require 'webrat' include Webrat::Methods include Webrat::Matchers Webrat.configure do |config| config.mode = :mechanize end And if I put something like this in my step definitions: Given /Debug/ do puts response.to_yaml end I get this error: undefined method `response' for nil:NilClass (NoMethodError) ./features/step_definitions/webrat_steps.rb:11:in `/Debug/' features/versions.feature:4:in `Given Debug' Is anyone familiar with this type of situation? best, Jacob

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  • How to debug applications using COM interfaces?

    - by Eric
    I' building an application using C# which will use CATIA COM modules. When I import the COM inside my c# project, I think that Visual C# express generates the Interop automagically for me. All of this works correctly. However, when I try to debug the application and use watches during runtime, every object is a System.__ComObject and I cannot get their "real" value. Is there a way to tell the debugger the types of my COM objects? The goal is to get more familiar with this new API I don't know really well. Sometimes its rather hard to guess the correct types for everything since the interface hierarchy is quite deep

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  • ASP.NET MVC stack overflow exception when calling a partial view from master page

    - by quakkels
    Hey there everyone, I'm getting a stack overflow error when I try to call a partial view from the master. The Partial View: <%@ Control Language="C#" Inherits="System.Web.Mvc.ViewUserControl" %> <form action="/members/TestLoginProcess/" method="post"> U: <input type="text" name="mUsername" /><br /> P: <input type="password" name="mHash" /><br /> <button type="submit">Log In</button> </form> The Action in the "Members" controller [ChildActionOnly] public ActionResult TestLogin() { return PartialView(); } Then I call the partial view from the master page: <!--Excerpt from wopr.master--> <%= Html.Action("TestLogin", "Members")%> When I go into debug mode the master page returns this error: {Cannot evaluate expression because the current thread is in a stack overflow state.} I don't understand how this error is getting triggered. any help would be much appreciated!

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  • cannot convert from 'cli::array<Type> ^' to 'cli::array<Type> ^[]'

    - by user1576628
    I'm pretty new to C++/CLI and I am trying to convert a System::String to a System::Char array. Here's what I have so far: private: System::Void modeToolStripMenuItem_Click(System::Object^ sender, System::EventArgs^ e) { Mode frmMode; if(frmMode.ShowDialog() == System::Windows::Forms::DialogResult::OK){ array <Char>^ load [] = gcnew array<Char>(txtbxName->Text->ToCharArray()); } } txtbxName is a textbox inside a the form. Supposedly, this should work, but I get the compiler error: error C2440: cannot convert from 'cli::array<Type> ^' to 'cli::array<Type> ^[]' for the fourth line of the snippet.

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  • how to find if the machine is 32bit or 64bit

    - by prabodh
    Is there anyway from a C prog to find whether the OS is currently running in 32bit or 64bit mode. I am using a simple program as below int main(void){ switch(sizeof(void*)){ case 4: printf("32\n"); break; case 8: printf("64\n"); break; } } Is this a correct approach ? Would this code work in all the scenarios like, If the hardware is 64bit and the OS is 32bit what would it return ? I don't have machine to test this in diff configurations. Thanks for the advice.

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  • Play video in UIWebView from NSData

    - by Papagalli
    Hello there, Does anybody know how to play a video in a UIVebView ? The video comes from the iphone library, when I pick it, I store it in core data as binary data. If i use the local url of the video it's working fine, the problem I have is that the this url refers to a folder named "tmp", and I don't know the lifetime of it. If I can get the real url of the video file it will be ok. //attachment is the core data object containing the data NSURL *url = [NSURL URLWithString:attachment.path]; [self.webView loadRequest:[NSURLRequest requestWithURL:url]]; I tried a solution that doesn't work: (i tried MIMETypes : "video/quicktime" and "video/mp4") [self.webView loadData:attachment.data MIMEType:@"video/mov" textEncodingName:nil baseURL:nil]; I think the second solution is the closest, and the problem comes from the MIMEType. Thanks by advance if anybody has a solution for this :)

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  • Easier debugging stl array

    - by bobobobo
    In MSVC++ I have a vector. Whenever you go out of bounds of the vector (in debug mode, launched as "Start Debugging"), when you step out of bounds of the vector the program halts with a dialog box: Microsoft Visual C++ Debug Library ==== Debug Assertion Failed! Expression: Vector subscript out of range Abort | Retry | Ignore So what I want though is the MSVC++ debugger within visual studio to STOP AT THE LINE WHERE THE OUT OF BOUNDS OCCURRED, not give me this dialog box. How can I cause the program to "break" properly and be able to step through code /inspect variables when an out of bounds occurs on an STL vector?

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  • PowerPoint record slide show function accessible through Interop with C#

    - by dwperrin
    I am currently trying to write an addin for PowerPoint that whenever any PowerPoint document is opened and then run in show mode that the feature to record narration audio and slide timings is automatically activated. However I cannot seem to find that option in the PowerPoint interop object The manual in application way to use this feature in Powerpoint 2007 is under the "Slide Show" tab of the ribbon called "Record Narration". I have found under that I can set under Microsoft.Office.Interop.PowerPoint.SlideShowSettings.AdvancedSettings to RehearseNewTimings but this does not record narration audio. Does anyone know if this is even possible? Or if I am completely on the wrong track here. Thanks in advance for any repsonse

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  • Silverlight WCF method calls fails if WCF service is not running initially

    - by Craig
    Quite simply I have a generic Silverlight 3.0 web page that is calling a Ping method on a WCF service. I do not have the WCF service running initially when I navigate to this Silverlight page. As expected I get a communication exception when I press the Silverlight button to call the Ping method, which I catch. Now if I start the WCF service and press the Ping button I still get the communication exception. How come? The other scenario is the WCF is running when I navigate to the SL page and the Ping method call works. I turn off the WCF service, ping method fails. Turn it back on and the ping method succeeds. How come if it's not running initially the ping method fails always? I could include some sample code if you'd like but this is just a real simple Hello World example using basichttpbinding, straight out the book. Thanks, Craig

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  • Symbol '#' in XML attribute name produses DOMException

    - by kilonet
    the following code (using iText library): PdfStamper stamp = new PdfStamper(reader, outputStream); AcroFields form = stamp.getAcroFields(); String name = "form1[0].#subform[0].Table1[0].#subformSet[0].Row[2].#field[0]"; form.setField(name, ""); produces the following error: org.w3c.dom.DOMException: INVALID_CHARACTER_ERR: An invalid or illegal XML character is specified. at com.sun.org.apache.xerces.internal.dom.CoreDocumentImpl.checkQName(CoreDocumentImpl.java:2571) at com.sun.org.apache.xerces.internal.dom.ElementNSImpl.setName(ElementNSImpl.java:117) at com.sun.org.apache.xerces.internal.dom.ElementNSImpl.<init>(ElementNSImpl.java:80) at com.sun.org.apache.xerces.internal.dom.CoreDocumentImpl.createElementNS(CoreDocumentImpl.java:2084) at com.lowagie.text.pdf.XfaForm$Xml2SomDatasets.insertNode(Unknown Source) at com.lowagie.text.pdf.AcroFields.setField(Unknown Source) at com.lowagie.text.pdf.AcroFields.setField(Unknown Source) obviously this is because of '#' sign in field name. This field's name come from AcroFields.getFields() collection and it seems very strange that setting back this value produces an error. Are there any ways of dealing with this error without changing real field name?

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  • C# WMI, Performance Counters, & SNMP Oh My!

    - by Keith
    I have a C# windows service which listens to a MSMQ and sends each message out as an email. Since there's no UI, I'd like to offer an ability to monitor this service to see things such as # messages in queue, # emails sent (by message type perhaps), # of errors, etc. What is the best/recommended way to accomplish this? Is it WMI or performance counters? Is this data viewed using PerfMon or WMI CIM Studio? Does any approach allow one to monitor the service real-time as well as providing historical analysis? I can dig into the details myself but would appreciate some broad guidance to help demystify this subject.

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  • Issue passing NSMutableDictionary to a method

    - by roswell
    Hello all, I've got a chunk of code that's passing an NSMutableDictionary (amongst other things) to a method in another class: [self.shuttle makeAPICallAndReturnResultsUsingMode:@"login" module:@"login" query:credentials]; The NSMutableArray credentials is previously defined like this: NSMutableDictionary *credentials = [[NSMutableDictionary alloc] init]; [credentials setObject:username forKey:@"username"]; [credentials setObject:password forKey:@"password"]; The method that receives it looks like this: -(id)makeAPICallAndReturnResultsUsingMode:(NSString *)mode module:(NSString *)module query:(NSMutableDictionary *)query The code works fine up until this point within the above method: [query setObject:self.sessionID forKey:@"session_id"]; At this point, the application terminates -- the console informs me of this exception: * Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '* -[NSCFDictionary setObject:forKey:]: method sent to an uninitialized mutable dictionary object' This leads me to believe that I must initialize NSMutableDictionary in some way in my new method before I can access it, but I have no idea how. Any advice?

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  • Problem using Winforms WebBrowser control as editor

    - by thecaptain0220
    I am currently working on a project where I am using a WebBrowser control as an editor. I have design mode turned on and it seems to be working. The issue im having is when I try to save the Document and load another it pops up the "This document has been modified." message. What I am trying to do is as simple as this if (frontPage) { frontPage = false; frontContent = webEditor.DocumentText; webEditor.DocumentText = backContent; } else { frontPage = true; backContent = webEditor.DocumentText; webEditor.DocumentText = frontContent; } Like I said everytime I enter some text and run this code it just pops up a message saying its been modified and asks if I want to save. How can I get around this?

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  • How do I get the SharedPreferences from a PreferenceActivity in Android?

    - by Dave
    Hi, I am using a PreferenceActivity to show some settings for my application. I am inflating the settings via a xml file so that my onCreate (and complete class methods) looks like this: public class FooActivity extends PreferenceActivity { @Override public void onCreate(Bundle icicle) { super.onCreate(icicle); addPreferencesFromResource(R.xml.preference); } } The javadoc of PreferenceActivity states, that These preferences will automatically save to SharedPreferences as the user interacts with them. To retrieve an instance of SharedPreferences that the preference hierarchy in this activity will use, call getDefaultSharedPreferences(android.content.Context) with a context in the same package as this activity. But how I get the name of the SharedPreference in another Activity? I can only call getSharedPreferences(name, mode) in the other activity but I need the name of the SharedPreference which was used by the PreferenceActivity. What is the name or how can i retrieve it?

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  • Datamining on a mysql database

    - by sliptix
    Hello, I Begin with textmining. I have two database tables with thousands of data.. a table for "skills" and a table for "skills categories" every "skill" belongs to a skills categorie. a "skill" is , physicaly, a varchar(200) field in the database, where there is some text describing the skill. Here are some skills extracted from the skills table: "PHP (good level), Java (intermediaite), C++" "PHP5" "project management and quality management" "begining Javascript" "water engineering" "dfsdf zerze rzer" "cibling customers" what i want to do is to extract knowledge from those fields, i mean extract only the real skill and ignore the rest of useless text. for the above example i want to get only an array with: "PHP" "Java" "C++" "PHP5" "project management" "quality management" "Javascript" "water engineering" "cibling customers" what should i do to extract the skills from tons of data please ? do you know specific algorithms to do this ? ex : k-means ... ? Thanks in advance.

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  • Maven problem with invalid jar file which is actually html

    - by fei
    i'm running into a problem in my maven build recently, that it downloads a jar file for the javamail-1.4.jar or something, but it turns out the file is not a real jar file, it's actually a html with a link to where to get the correct jar. it seems to be the repo has changed for that. but in my maven setting everything is supposely to go to our internal repo, i don't know how did that happen. but anyways, more importantly, how do i fix this problem so that it will download the correct jar file on a fresh install? thanks!

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  • Is there a performance advantage in using a 64bit version of openCV+Emgu instead of 32bit?

    - by Jelly Amma
    Hello, I am developing an application that processes images captured in real time by a Point Grey camera (http://www.ptgrey.com/). The Point Grey SDK is a .net wrapper and can be either 32bit or 64bit. Then to process the captured images, I'm using a wrapper for openCV called Emgu CV (http://www.emgu.com/) that comes in both 32bit or 64bit flavors as well. Now, being on Vista64 I went for the 64bit versions of FlyCapture (Point Grey's SDK) and Emgu CV (which includes openCV in its install) hoping to maximize performance. Recently I've been wanting to call my FlyCapture+Emgu DLL code from XNA, which unfortunately only exists in 32bit, and I realize that I may have to reinstall all those components in 32bit as I don't really want to go through IPC, remoting, etc. Apart from the obvious limit to memory space inherent to 32bit, is there also a performance loss I should be expecting? How dramatic would that be and why ? Thanks in advance for any advice or explanation.

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  • What can I do with Java for Blu Ray or BD-J?

    - by Jay Askren
    I have a Blu Ray player which can connect to the internet to play media from netflix and youtube. I am intrigued by the possibilities of BD-J and wondering just how far the technology can be taken. For instance: Could I write a twitter, facebook, rss reader, or email client? Can I write a game which would allows people to play each other over the web from their own tv? Could I write a DVR app which stored tv shows on the thumbdrive plugged into the player. Can I run my applications from a thumbdrive or do I need to put them on a Blu Ray disk? Does anyone have real experience with BD-J? How do you like it as a development platform? How would you recommend getting started? Can I develop in BD-J using open source tools like Eclipse, Maven, etc...

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  • How to make ASP.NET authentication persist the Url Fragment when redirecting to the login page?

    - by estourodepilha.com
    After I inserted the configuration below in my Web.Config <authentication mode="Forms"> <forms name="appNameAuth" path="/" loginUrl="login.aspx" protection="All" timeout="30"> <credentials passwordFormat="Clear"> <user name="user" password="password" /> </credentials> </forms> </authentication> <authorization> <deny users="?" /> </authorization> All requests to Menu.aspx#fragment are redirected to login.aspx?ReturnUrl=/Menu.aspx and I expected it to be redirected to login.aspx?ReturnUrl=/Menu.aspx#fragment How to achieve the desired behavior?

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  • jquery ui tabs major style change

    - by Jonah
    I am using jquery UI tabs and I need to majorly change the styling on it. I need to rempve the background image, the borders, almost everything. I need it to look minimal, and not like it's self contained. What's the best way to do this? I need to use the default UI styling for the calendar widget however, which is on the same page. I've done a lot of research and everyone seems to point to the theme-roller. However, i do not just want to change the colors and border radii. I need to delete crap. theme-roller seems to be just change things like colors (not really useful for the real world) Is it even worth using jquery UI for my tabs?

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