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Articles indexed Saturday May 1 2010

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  • Audio recording error kAudioQueueErr_CannotStart on iPhone OS 3.0

    - by Jeremy Borden
    I'm working on a couple different iphone apps that both record and play sounds concurrently. Think multitrack mixing... play one sound a save it then listen to that sound while recording the next sound to another file. My mechanism for this has been to start up two different audio queues, one for recording, and one for playing. This was working A-OK until the release of OS 3.0... Since then, however, the following happens: If I start the recording queue first, it supposedly starts fine, but the call to AudioQueueStart for the playback queue returns kAudioQueueErr_CannotStart. If I start the playback queue first, it also supposedly starts fine, but the call to AudioQueueStart for the record queue returns the same error, kAudioQueueErr_CannotStart. Anyone have any luck debugging this error? Seems like maybe the two queues are stomping on each other's memory or something? The official description is: "The audio queue has encountered a problem and cannot start." Not super helpful... Jeremy

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  • Modern, Non-trivial, Pygame Tutorials?

    - by Gregg Lind
    What are some 'good', non-trivial Pygame tutorials? I realize good is relative. As an example, a good one (to me) is the one that describes how to use pygame.camera. It's recent uses a modern PyGame (1.9) non-trivial, in that it shows how to use it the module for a real application. I'd like to find others. A lot of the ones on the Pygame site are from 1.3 era or earlier! Info on related projects, like Gloss is welcome as well. (If your answer is "read the source of some pygame games", please link to the source of particular ones and note what is good about them)

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  • How to set SGEN toolpath in Msbuild to target 3.5 framework

    - by Craig Shearer
    I've just upgraded a project from VS2008 to VS2010 but I'm still targeting the 3.5 framework. In my project file I have a custom task to run SGEN to generate my XmlSerializers.dll. However the version of sgen being run targets the 4.0 framework. As a result, when I run my application I get the error message: "Could not load file or assembly 'XXXX.XXXX.XmlSerializers' or one of its dependencies. This assembly is built by a runtime newer than the currently loaded runtime and cannot be loaded." The Sgen task looks like this: <Target Name="AfterBuild" DependsOnTargets="AssignTargetPaths;Compile;ResolveKeySource" Inputs="$(MSBuildAllProjects);@(IntermediateAssembly)" Outputs="$(OutputPath)$(_SGenDllName)"> <!-- Delete the file because I can't figure out how to force the SGen task. --> <Delete Files="$(TargetDir)$(TargetName).XmlSerializers.dll" ContinueOnError="true" /> <SGen BuildAssemblyName="$(TargetFileName)" BuildAssemblyPath="$(OutputPath)" References="@(ReferencePath)" ShouldGenerateSerializer="true" UseProxyTypes="false" KeyContainer="$(KeyContainerName)" KeyFile="$(KeyOriginatorFile)" DelaySign="$(DelaySign)" ToolPath="$(SGenToolPath)"> <Output TaskParameter="SerializationAssembly" ItemName="SerializationAssembly" /> </SGen> </Target> There's the ToolPath="$(SGenToolPath)". How do I make it run the version that targets 3.5? There's a similar question here but it doesn't help me much.

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  • How to add flags to RC.EXE through QMake .pro makefiles

    - by Hernán
    I've the following definition in my .pro file: RC_FILE = app.rc This RC file contains a global include at the top: #include "version_info.h" The version_info.h header is on a common header files directory. Since RC.EXE takes INCLUDE environment variable in consideration, according to MS documentation, my build process batch sets up that accordingly: SET INCLUDE=%PROJECTDIR%\version;%INCLUDE% ... QMAKE project.pro -spec win32-msvc2008 -r CONFIG += release This works perfect as RC seems to read that INCLUDE var so the "version_info.h" file is including on every RC file properly. The problem is when I generate a VS solution (or Import it through the VS Addin). The RC invocation does not contain any /I flag (as I expect) but does not read any INCLUDE variable, even when I've setup through system 'environment variables' dialog in XP. So I'm stuck with this problem, with two alternatives I could not get to work: Make VS RC.exe invocation honour the INCLUDE variable (didn't work either as user or system variable). Force QMAKE to pass /I flag to RC invocation, and get that /I flag imported into the project settings (Resource Compiler properties). Thanks in advance.

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  • How do I configure multiple Ubuntu Python installations to avoid App Engine's SSL error?

    - by Linc
    I have Karmic Koala which has Python 2.6 installed by default. However I can't run any Python App Engine projects because they require Python 2.5 and python ssl. To install ssl I installed python2.5-dev first while following some instructions I found elsewhere. sudo apt-get install libssl-dev sudo apt-get install python-setuptools sudo apt-get install python2.5-dev sudo easy_install-2.5 pyopenssl However, I am afraid this is not good for my Ubuntu installation since Ubuntu expects to see version 2.6 of Python when you type 'python' on the command line. Instead, it says '2.5.5'. I tried to revert to the original default version of Python by doing this: sudo apt-get remove python2.5-dev But that didn't seem to do anything either - when I type 'python' on the command line it still say 2.5.5. And App Engine still doesn't work after all this. I continue to get an SSL-related error whenever I try to run my Python app: AttributeError: 'module' object has no attribute 'HTTPSHandler' UPDATE: Just checked whether SSL actually installed as a result of those commands by typing this: $ python2.5 Python 2.5.5 (r255:77872, Apr 29 2010, 23:59:20) [GCC 4.4.1] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> import ssl Traceback (most recent call last): File "<stdin>", line 1, in <module> ImportError: No module named ssl >>> As you can see, SSL is still not installed, which explains the continuing App Engine error. If anyone knows how I can dig myself out of this hole, I would appreciate it.

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  • Are incremental Macro definition possible?

    - by Davorak
    I often find the following type of incremental definition useful: (define (foo) (display "bar")) (foo) ;prints bar (define foo (let ((bar foo)) (lambda () (display "foo") (bar)))) (foo) ;prints foobar How do I preform this type of incremental definition with macros? I could not get let-syntax to provide the same functionality. Currently I use plt scheme, but would like to see answers in different lisp implementations as well.

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  • Call non-static method in server side(aspx.cs) from client side use javascript (aspx).....

    - by Pramulia
    how Call non-static method in server side(aspx.cs) from client side using javascript (aspx)....? As far as I know I can call static method in server side from client side... server side : [System.Web.Services.WebMethod] public static void method1() { } client side : <script language="JavaScript"> function keyUP() { PageMethods.method1(); } </script> <asp:ScriptManager ID="ScriptManager1" runat="server" EnablePageMethods="true"> </asp:ScriptManager> It works. Now how do I call non-static method from client side...?

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  • I need to create a web service using .NET-- where should I start?

    - by j-t-s
    Hi All I am trying to implement a feature. But I've never had anything to do with "Web Services" before, other than using them. I have a desktop application, and I want that application to be able to sort of "post" some information (i.e. email address, username, user-selected options (just plain text) etc) to an application or "web service" on my ASP.NET web server. Can somebody please guide me in the right direction? How would I accomplish this? Thank you :) Jason

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  • How do I get rid of Adobe Download Akamai software on a Mac?

    - by CT
    I installed Adobe's Download Manager Software when I was downloading a CS4 trial. It was called Akamai. I can not seem to get rid of this pesky thing. I have Little Snitch installed so I was annoyed that it showed that this app would phone home for updates every login. I felt this was an unnecessary process I wanted rid of. I've uninstalled it using App Cleaner. Now on login the Akamai app does not produce any Little Snitch prompts. "SoftwareUpdateCheck" does. SoftwareUpdateCheck wants to connect to a950.gi3.akamai.net on TCP 80. SoftwareUpdateCheck is /System/Library/CoreServices/SoftwareUpdate.app/Contents/Resources/SoftwareUpdateCheck. How do I rid myself of this? Mac OS X 10.6

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  • sfDoctrineGuard - how to ALWAYS join sfGuardProfile to sfGuardUser

    - by prodigitalson
    I want to make it so that anytime the db is queried for an sfGuardUserProfile it is autmoatically joined and hydrated with its related sfGuardUser. If i was using propel i would normally override the doSelectStmt method of the sfGuardUserProfilePeer class to inspect the Criteria and modify it as necessary as well as modifying the hydrate method of the sfGuardUserProfile class. Im not sure how to go about doing this in Doctrine though.

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  • C struct memory layout?

    - by Eonil
    I have C# background. Very newbie to low level language like C. In C#, memory layout by compiler by default, and I have to specify some special attribute to override this behavior for exact layout. As I know, C does not re-align by default. But I heard there's a little re-aligning behavior which very hard to find. Can I know about C's memory layout behavior? (what should be re-aligned and not)

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  • Selecte and retrieve file path to image using dialog box

    - by Steven
    I'm expanding Wordpress to function more like a CMS. This includes relating image to a post. Currently I have a text field where I paste an image path. Now I want to click a button which opens a dialog box, then I navigate to the right folder and select a file to "open" (from server side). The file path is returned. How can I go about accomplishing this?

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  • how 2 use logmath twice in same form(sphinx4)

    - by Pradeep
    i have configured sphinx with netbeans and its wroking fine. but im using a button to do the process. but after it recognisers. i want to do the process again. but then it gives a error saying the "logmath instance is already present" and saying cannot open the microphone. can someone give me a solution. what i want to do is use speech recogntion in several times in the same form. till it gives the correct answer. please help me this is the error i get "Creating new instance of LogMath while another instance is already present 10:53:27.833 SEVERE microphone Can't open microphone line with format PCM_SIGNED 16000.0 Hz, 16 bit, mono, 2 bytes/frame, big-endian not supported."

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  • Memory leak with NSData

    - by Kamchatka
    I'm having a leak with this code without being able to find where it's coming from. This function get called within an autorelease pool. I release the IplImage* image argument. When I run the ObjAlloc tool, it tells me that "NSData* data" is leaking. If I try to manually release the UIImage returned by this function, I get an EXC_BAD_ACCESS error, probably because this UIImage is autoreleased. I'm a bit confused, any hint would be appreciated. Thanks! UIImage *UIImageFromIplImage(IplImage *image) { NSLog(@"IplImage (%d, %d) %d bits by %d channels, %d bytes/row %s", image->width, image->height, image->depth, image->nChannels, image->widthStep, image->channelSeq); CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB(); NSData *data = [NSData dataWithBytes:image->imageData length:image->imageSize]; CGDataProviderRef provider = CGDataProviderCreateWithCFData((CFDataRef)data); CGImageRef imageRef = CGImageCreate(image->width, image->height, image->depth, image->depth * image->nChannels, image->widthStep, colorSpace, kCGImageAlphaNone|kCGBitmapByteOrderDefault, provider, NULL, false, kCGRenderingIntentDefault); UIImage *ret = [UIImage imageWithCGImage:imageRef]; CGImageRelease(imageRef); CGDataProviderRelease(provider); CGColorSpaceRelease(colorSpace); return ret; }

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  • samba windows gvim & "READ ERRORS"

    - by l.thee.a
    I have a samba server on my embedded box. I was planning to use it to edit files easily. However when I open files on my windows machine, I get read errors. I have tried textpad, gvim and kate(andLinux). On gvim I first get "write error in swap file" and it is replaced by "[READ ERRORS]". If I access the same file through pyNeighborhood (ubuntu) I can read/write/delete etc. Samba security is set to share and guest user is root. Also if I move the file to my ubuntu samba server, I get no problems. Any ideas? PS: I am using smbd 3.0.25b.

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  • PHP in_array() can't even match a single character. Strict is set to true.

    - by solefald
    I've seen a million of these threads here already, and read through every single one already. Including some serious time Googling. Nothing complicated. All I have to do is check if a single character in a loop matches my alphabet array. print_r($alphabet); // all 26 letters Array ( [0] => a [1] => b [2] => c ... [23] => x [24] => y [25] => z ) print_r($emptyLetters); // dynamic array. Array ( [0] => b [1] => s ) foreach($alphabet as $letter): { echo $letter . '<br />' // Correctly prints out every letter from $alphabet. if(in_array($letter, $emptyLetters, true)): // $strict is set // do something endif; } What the hell is going on??? I do not understand what i am doing wrong.... I tried every combination and option possible, but for some reason even array_search() is bit working...

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  • error in GP installation

    - by Rahul khanna
    Hi all, I know this is not the forum to post installation problem, though i am posting this type problem because i am helpless. Pls someobody give me some idea. After installing the GP10.0 while i run the GP Utility for server installation. In between installation i got the following error. I have SQL2000 data base and created the System DSN for and tested successfully. Pls somebody help me what is this error about. The following SQL statement produced an error: create procedure smRuleTestSendMail @emailid varchar(255), @ccids varchar(255), @bccids varchar(255), @emailmsg varchar(255) as if substring(CONVERT(varchar(128), SERVERPROPERTY('ProductVersion')),1,PATINDEX('%.%', CONVERT(varchar(128), SERVERPROPERTY('ProductVersion'))) - 1) < 9 begin exec master.dbo.xp_sendmail @recipients=@emailid, @copy_recipients=@ccids, @blind_copy_recipients=@bccids, @message=@emailmsg, @Subject='TEST message from SQL Server' end else begin if PATINDEX ('%64-bit%',@@version) 0 begin exec msdb.dbo.sp_send_dbmail @recipients=@emailid, @copy_recipients=@ccids, @blind_copy_recipients=@bccids, @body=@emailmsg, @subject='TEST message from SQL Server' end else begin exec master.dbo.xp_sendmail @recipients=@emailid, @copy_recipients=@ccids, @blind_copy_recipients=@bccids, @message=@emailmsg, @Subject='TEST message from SQL Server' end end

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  • I need to write a program that reads angles in radians from an input disk and converts them in degre

    - by Amadou
    Write a program that reads angles in radians from an input disk le and converts them into degrees, minutes, and seconds. Output should be written into another le. A sample input le could be: # this is a comment # your program should be able to skip comment lines # and blank lines # input radian numbers could be seperated by blanks 0.0 1.0 # or by a newline 3.141593 6.0

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  • .NET Framework 3.5 wont install on VISTA 32bit

    - by autonm
    Running VISTA 32bit. I am trying to install c# Visual Express 2008 - but it requires .NET 3.5. One of the prerequisites during the install is .NET 3.5 ... it attempts to install it but fails, with no real error message. So I downloaded .NET 3.5 standalone from MS website and tried that.Again it fails with the error [10/17/08,23:17:07] WapUI: [2] DepCheck indicates Microsoft .NET Framework 3.0SP1 (CBS) is not installed. [10/17/08,23:50:55] Microsoft .NET Framework 3.0SP1 (CBS): [2] Error: Installation failed for component Microsoft .NET Framework 3.0SP1 (CBS). MSI returned error code 34 I currently have c# Express edition 2005 installed. But everything I read says that I can have these two applications installed together. I believe that 2005 runs Framework 2.0. 2005 express edition works fine. - its just the 2008 edition im having problems installed the .NET 3.5 with .... any ideas ? thanks

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  • Copy data from different worksheet to a master worksheet but no duplicates

    - by sam
    hi all, i want to clarify my initial question for a possible solutions from any savior out there. Say i have 3 excel sheets one for each user for data entry located in separate workbooks to avoid excel share workbook problems. I also have a master sheet in another workbook where i want individual data enter on those sheets precisely sheets 1 should copy to the next available row of sheet 1 in the master sheet as the users enter them. i need a vba code that can copy each record without copying a duplicate row in the master sheet but highlight the duplicate row and lookup the initial record in a master sheet and return the name of the Imputer looking up the row say column ( I) where each user sign there initials after every row of entry like below. All 4 worksheets are formatted as below: lastname account cardno. type tran amount date location comments initials JAME 65478923 1975 cash 500 4/10/2010 miles st. this acct is resolve MLK BEN 52436745 1880 CHECK 400 4/12/2010 CAREY ST Ongoing investigation MLK JAME 65478923 1975 cash 500 4/10/2010 miles st. this acct is resolve MLK I need the vba to recognize duplicates only if the account number and the card number matches the initial records. So if the duplicates exist a pop up message should be display that a duplicates exist and return the initial Imputer say MLK in COLUMN( I) to any user inputting in the individual worksheets other than warehouse sheets (master). So please any idea will be appreciated.

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  • How do you reenable a validation control w/o it simultaneously performing an immediate validation?

    - by Velika2
    When I called this function to enable a validator from client javascript: `ValidatorEnable(document.getElementById('<%=valPassportOtherText.ClientID%>'), true); //enable` validation control the required validation control immediately performed it validation, found the value in the associated text box blank and set focus to the textbox (because SetFocusOnError was set to true). As a result, the side effect was that focus was shifted to the control that was associated with the Validation control, i teh example, txtSpecifyOccupation. <asp:TextBox ID="txtSpecifyOccupation" runat="server" AutoCompleteType="Disabled" CssClass="DefaultTextBox DefaultWidth" MaxLength="24" Rows="2"></asp:TextBox> <asp:RequiredFieldValidator ID="valSpecifyOccupation" runat="server" ControlToValidate="txtSpecifyOccupation" ErrorMessage="1.14b Please specify your &lt;b&gt;Occupation&lt;/b&gt;" SetFocusOnError="True">&nbsp;Required</asp:RequiredFieldValidator> Perhaps there is a way to enable the (required) validator without having it simultaneously perform the validation (at least until the user has tabbed off of it?) I'd like validation of the txtSpecifyOccupation textbox to occur only on a Page submit or when the user has tabbed of the required txtSpecifyoccupation textbox. How can I achieve this?

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