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  • Windows Mobile 6.5 SndPlayAsync - C# wrapper?

    - by dominolog
    Hello I'm implementing mp3 playback on Windows Mobile 6.5. I need to use SndPlayAsync API function since I don't want to block calling thread until the file is played (SndPlaySync blocks until the audio file is playing). Unfortunately the SndPlayAsync method takes sound handle instead of sound file path as parameter so there's a need to open the handle before and release of it after playback. The problem is that I don't have any information about the playback completion in this API. Did anybody use a C# wrapper for this API? Where can I get one? I've looked up OPENNETCF but they seem not to support this API. Regards

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  • Quality Design for Asynchronous WCF Services Calls in a Middle-Tier and Returning Data to UI Tier

    - by Perplexed
    I have a WPF application with a group of asynchronous WCF service calls all mashed into the code behind, complete with event handlers and everything, that I have to refactor to productionize and maintain. I want to separate concerns here for maintainability and all the other good reasons to do this, but I'm not sure exactly how to achieve this. Anybody have any good ideas on how to do this, or at least some links to put me in the right direction? My thinking: Create an "infrastructure" layer and reference the services there. Move the asynchronous event handlers into this layer. When an update is called, I will bubble up my own event with my own derivation of the EventArgs class that contains the data the UI will need. I'll have a fairly coupled hooking of the UI to the infrastructure layer as it will consume events I fire off upon completion of an asynchronous data call.

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  • Calling Stored Procedure from VB.net timeout error

    - by Jim
    When calling a stored procedure from vb.net is there a default SQL timeout time if no timeout is specified in the connection string? I am unsure if there is a CommandTimeout specified in the connection string but am going through all the possibilites. Example if no results after 30 seconds (or more) throw: `System.Data.SqlClient.SqlException: Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding.` SQL Profiler says that the script runs and ends in 30 seconds when the program timesout.. Tthe script runs without error in about 1 minute 45 seconds by itself in SQL server.

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  • PHP Value Object auto create

    - by JonoB
    Assume that I have a class value object defined in php, where each variable in the class is defined. Something like: class UserVO { public $id; public $name; } I now have a function in another class, which is expecting an array ($data). function save_user($data) { //run code to save the user } How do I tell php that the $data parameter should be typed as a UserVO? I could then have code completion to do something like: $something = $data->id; //typed as UserVO.id $else = $data->name; //typed as UserVO.name I'm guessing something like the following, but this obviously doesnt work $my_var = $data as new userVO();

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  • How to show login screen only for the first time when app launches

    - by Jaw Ali
    I want to launch the login screen when first time app launches other wise app work simple but problem is that again again it goes to login screen. here is the code which i am using in didFininsh I want the user show go to login screen first time only and next time it should show splitViewController [[NSUserDefaults standardUserDefaults] registerDefaults:[NSDictionary dictionaryWithObjectsAndKeys:[NSNumber numberWithBool:YES],@"firstLaunch",nil]]; if ([[NSUserDefaults standardUserDefaults] boolForKey:@"firstLaunch"]) { [self.window addSubview:[splitViewController view]]; LoginViewController *targetController = [[LoginViewController alloc] initWithNibName:@"LoginViewController" bundle:nil]; targetController.modalPresentationStyle = UIModalPresentationFullScreen; [self.splitViewController presentViewController:targetController animated:YES completion:nil]; } else { [self.window addSubview:[splitViewController view]]; } // my comment[window addSubview:splitViewController.view]; [window makeKeyAndVisible]; return YES;

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  • Need help understanding .net ThreadPool

    - by Meredith
    I am trying to understand what ThreadPool does, I have this .NET example: class Program { static void Main() { int c = 2; // Use AutoResetEvent for thread management AutoResetEvent[] arr = new AutoResetEvent[50]; for (int i = 0; i < arr.Length; ++i) { arr[i] = new AutoResetEvent(false); } // Set the number of minimum threads ThreadPool.SetMinThreads(c, 4); // Enqueue 50 work items that run the code in this delegate function for (int i = 0; i < arr.Length; i++) { ThreadPool.QueueUserWorkItem(delegate(object o) { Thread.Sleep(100); arr[(int)o].Set(); // Signals completion }, i); } // Wait for all tasks to complete WaitHandle.WaitAll(arr); } } Does this run 50 "tasks", in groups of 2 (int c) until they all finish? Or I am not understanding what it really does.

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  • Why does this VBS scheduled task (to call a URL) not work in Windows Server 2008?

    - by user303644
    This same script worked in older server OS environments, and even on my desktop; and allows me to kick off a nightly process on my website's URL. It simply will not execute the URL in my Windows Server 2008 environment. It does not generate any errors, claiming task completion I can pull the same URL up just fine in the server's web browser I have the script running with "highest privileges" I even tried to create a batch file which executes it, so I can explicitly "Run as Administrator" and it still will not execute the URL (but will not generate any errors either). I'm baffled as to why the task claims to have completed successfully, yet the script never reaches the URL. Call LogEntry() Sub LogEntry() 'Force the script to finish on an error. On Error Resume Next 'Declare variables Dim objRequest Dim URL Set objRequest = CreateObject("MSXML2.ServerXMLHTTP") 'Put together the URL link appending the Variables. URL = "http://myURL/AutorunNightlyTasks.aspx" 'Open the HTTP request and pass the URL to the objRequest object objRequest.open "GET", URL, False 'Send the HTML Request objRequest.send() 'Set the object to nothing Set objRequest = Nothing End Sub

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  • Semicolon in object variable name

    - by milkfilk
    There's a common LDAP attribute called userCertificate;binary. It actually has a semi-colon in the attribute name. In ruby, I turn an LDAP entry into a OpenStruct object called 'struct'. struct.class = OpenStruct But of course ruby thinks it's an end-of-line character. ? struct.userCertificate;binary NameError: undefined local variable or method `binary' for main:Object from (irb):52 from :0 IRB knows that the local variable is there, because it gives me struct.userCertificate;binary from the tab auto-completion. I can also see the class variable when calling struct.methods on it. struct.methods = ... "send", "methods", "userCertificate;binary=", "hash", ... It's definitely there, I can see the contents if I print the whole variable to_s(). But how can I access the local variable when it has a semicolon in it? I have workarounds for this but I thought it was an interesting problem to post.

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  • Higher speed options for executing very large (20 GB) .sql file in MySQL

    - by Jonogan
    My firm was delivered a 20+ GB .sql file in reponse to a request for data from the gov't. I don't have many options for getting the data in a different format, so I need options for how to import it in a reasonable amount of time. I'm running it on a high end server (Win 2008 64bit, MySQL 5.1) using Navicat's batch execution tool. It's been running for 14 hours and shows no signs of being near completion. Does anyone know of any higher speed options for such a transaction? Or is this what I should expect given the large file size? Thanks

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  • Updatating DataGrid From a BackGroundWorker

    - by subbu
    I hava a Background Worker and a DataGrid in my c# Application. In do work of my Backgroundworker which will call an Api in my dlls which will enter some Data in a SQLite Database. After the Completion of my Api call I report a progress and In progress event of my Backgroundworker I get the contents from Db and assign it as a DataSource to my grid. I call same API in same backgroundworker. In the middle of processing my application crashes. But If I dont assign the dataSource in ProgressChanged my application doesnt crashes.

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  • Presenting an EKCalendarChooser modally

    - by pmb
    I'm trying to present the new EKCalendarChooser in my app as a modal view. I'm doing it using the following code: EKCalendarChooser *calendarChooser = [[EKCalendarChooser alloc] initWithSelectionStyle:EKCalendarChooserSelectionStyleMultiple displayStyle:EKCalendarChooserDisplayAllCalendars eventStore:self.ekDataSource.eventStore]; calendarChooser.showsDoneButton = YES; calendarChooser.showsCancelButton = NO; calendarChooser.modalTransitionStyle = UIModalTransitionStyleCoverVertical; calendarChooser.delegate = self; [[self navigationController] presentViewController:calendarChooser animated:YES completion:nil]; The problem I'm having is that when the view is displayed, it is missing the done button. If however, I display the view using the following code: [[self navigationController] pushViewController:calendarChooser animated:YES]; It works just fine. The done button is displayed. Shouldn't the done button be shown with the presentViewController call as well? Thanks in advance for any help! pmb

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  • Import C + Makefile into a linux IDE?

    - by Jessica
    I have a project for Linux that i've been developing for some time. Basically it's a bunch of C and H files together with a directory structure and a Makefile. Every time I need to debug something it's so painful, I need to manually search for var. definitions, structs, etc. Is there any good IDE out there for Linux that will allow me to import those files into a "project" and that will provide code completion or at least an easy way to get my bearings in the source code? thanks!

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  • Any way to chunk gzip with Apache and PHP

    - by donatJ
    I have a web application on a site that takes a while (~10 seconds) to complete a portion of the page near the bottom - it has been as optimized as it can be, and caching is not an option. We have compression enabled on the server via an .htaccess directive SetOutputFilter DEFLATE the problem is this causes the whole page to be held until completion before it starts outputting to the user, this is not optimal as the user sees nothing until the page completes. I have also tried it via the php ob_start("ob_gzhandler"); method. Currently I have a <FilesMatch > in my .htaccess restricting this specific script from being compressed. Basically my question is this - Is there a way to say chunk gzip or deflate so that the user gets it in pieces, so they can see that the page has begun loading?

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  • asynchronous calls in asp.net

    - by lockedscope
    in this sample, two threads created; a worker thread created by BeginInvoke and an I/O completion thread created by SendAsync method. but another author in his UnsafeQueueNativeOverlapped example, don't recommend this. i want to use SendAsync or ...Async in an asp.net page and i want to use PageAsyncTask. however, its BeginEventHandler requires AsyncResult to be returned which SendAsync does not return. afaik, event based async pattern is the most recommended way so how could we call SendAsync or any ...Async methods without creating two threads and hurting the performance?

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  • fstream stopping math.h from working

    - by CaptainProg
    I am creating a program in C++ in which I need to read a text file in. I have included the fstream header file, which allows me to open the file, but having added the include, I now receive countless errors relating to math.h functions. Examples: 1>c:\program files\microsoft visual studio 10.0\vc\include\cmath(19): error C2061: syntax error : identifier 'acosf' 1>c:\program files\microsoft visual studio 10.0\vc\include\cmath(19): error C2059: syntax error : ';' Is there any way I can include the text file reading functions of fstream without compromising the math.h functions? And why does this conflict occur anyway? /Edit/ It seems the errors are in the cmath standard header file. It is nothing I have access to, but for the sake of completion, here is the code that is causing the errors: using _CSTD acosf; using _CSTD asinf; using _CSTD atanf; using _CSTD atan2f; using _CSTD ceilf; (etcetera)

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  • ivar is inside two blocks

    - by Desperate Developer
    I have an ivar like this declared on interface: BOOL controllerOK; I have to use this ivar inside a block that resides itself in a block. Something like myBlockl = ^(){ [self presentViewController:controller animated:YES completion:^(){ if (controllerOK) [self doStuff]; }]; }; If I try to do that, I see an error capturing self strongly in this block is likely to lead to a retain cycle for the if (controllerOK) line. This does not appear to be one of those blocks problems that you create another variable using __unsafe_unretained before the block starts. First because this instruction cannot be used with a BOOL and second because the ivar controllerOK has to be tested on runtime inside the block. Another problem is that the block itself is declared on the interface, so it will be used outside the context where it is being created. How do I solve that?

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  • How might one detect the first run of a program?

    - by Julian H. Lam
    In my web application, users can download a .tar.gz archive containing the app files. However, because the MySQL database won't have been configured then, the user needs to run the install script located in ./install. I "catch" the user upon first run of the app by checking to see if the ./install directory exists. If so, the index.php page redirects the user to the install script. However, I was wondering if there were a more elegant way to "catch" a user upon first-run of a program. Someone on IRC suggested the web-server create a file .installed upon completion, but because the web server might not have write privileges to the web root directory, I can't rely on that. How would you go about solving this problem, or is my solution workable?

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  • Will Visual Studio 2010 support HTML 5?

    - by Chris
    Since Visual Studio 2010 is slated for release in March of 2010 and HTML 5 is now starting to be used even more widely, I would like to know if Visual Studio will ship with HTML 5 templates, standard controls and support for the more common markup? A definition for support of HTML 5 would be that any new version of Visual Studio should have similar support for code-completion, validation and markup that is currently supported for HTML 4.01 and XHTML 1.0 and 1.1. Update From the Visual Web Develolper Team Blog: HTML 5 intellisense and validation schema for Visual Studio 2008 and Visual Web Developer is for downloading. Follow the instructions posted on the page to install the new scheme. Seems like the Visual Studio Team will be supporting HTML 5 after all.

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  • Vim and clang_complete, how to explicitly compile my code

    - by puller
    I use Vim with clang_complete for omnicompletion. The plugin is automatically triggered when I need completion, e.g., after I type . or -> to access an object members or methods (see attached screenshot). The plugin works really nice, however I would need a way to trigger it manually (i.e. to compile my code for syntax checking). This is useful for two reasons: Static syntax checking Clear previous errors which have been fixed (which otherwise will remain in their buffer). See the two screenshots below for a better understanding. Any help is appreciated. Thanks. Screenshot 1 Screenshot 2

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  • Do mini-filter functions need APCs enabled?

    - by botismarius
    Hello, Many Zw* functions that work with files (such as ZwCreateFile) need to be called at PASSIVE_LEVEL with APCs enabled: http://msdn.microsoft.com/en-us/library/ff566424%28VS.85%29.aspx. This is because, internally, I/O operations are asynchronously and the completion of an operation is delivered through an APC (correct me if I'm wrong). However, the documentation for similar functions from a mini-filter (such as FltCreateFile, FltReadFile, etc) does not specify that APCs should be enabled. Is it safe to call FltCreateFile/FltReadFile with APCs disabled? Thanks!

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  • Creating quick GUI front ends

    - by Jeenu
    Hi, I wanted to have a GUI front-end for a script that accepts numerous command-line options, most of them are UNIX paths. So I thought rather than typing them in (even with auto-completion) every time, I'd create a GUI front end which contains text boxes with buttons beside them, which when clicked will invoke the file browser dialogue. Later, I thought I'd extend this to other scripts which would sure require a different set of GUI elements. This made me think if there's any existing app that would let me create a GUI dialog, after parsing some kind of description of the items that I want that window should contain. I know of programs like Zenity, but I think it's doesn't give me what I want. For example, if I were to use it for the first script, it'll end up flashing sequence of windows in succession rather than getting everything done from a single window. So, basically I'm looking at some program that lets me create a window from a text description, probably XML or the like. Please suggest. Thanks Jeenu

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  • Global variables in hadoop.

    - by Deepak Konidena
    Hi, My program follows a iterative map/reduce approach. And it needs to stop if certain conditions are met. Is there anyway i can set a global variable that can be distributed across all map/reduce tasks and check if the global variable reaches the condition for completion. Something like this. While(Condition != true){ Configuration conf = getConf(); Job job = new Job(conf, "Dijkstra Graph Search"); job.setJarByClass(GraphSearch.class); job.setMapperClass(DijkstraMap.class); job.setReducerClass(DijkstraReduce.class); job.setOutputKeyClass(IntWritable.class); job.setOutputValueClass(Text.class); } Where condition is a global variable that is modified during/after each map/reduce execution.

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  • Using Jquery to check if a URL is valid

    - by user102533
    A long running background process creates a text file to indicate the completion of the process. From the frontend, I'd need to check every few seconds if the text file has been created or not. I am doing this check from However the file is created in http://DomainB.com/Mytext.txt Can someone help me write a jquery script that checks for a file across domain? PS: Currently, I am doing a ajax postback that executes a WebMethod in ASP.NET that creates HttpWebRequest. This works functionally, but I have major performance problems. So, I need a light weight way of finding if a URL is valid or not.

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  • Vim configuration, setting up autocomplete, and columns

    - by Yktula
    How do I set up auto-completion for C? I've heard it's language agnostic. How does this work? Where can I find a list of settings available for vim? I often find that code is usually occupying the left side of my screen when editing. How can I have the next "page" or so of code displayed on the right side, treating the column on the right side as just an extension what's on the left side, with the two scrolling together nicely?

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  • How to delete Document Workspace sub folders with Sharepoint web services?

    - by pclem12
    I'm trying to delete a sub folder in a dws. This is the code I've got: SharepointDocs.DwsSoapClient dws = new SharepointDocs.DwsSoapClient(); dws.DeleteFolderCompleted += dws_DeleteFolderCompleted; dws.DeleteFolderAsync(DWSname+'/'+folderName); In the call back for completion I get no error codes only the message "<Results/>" On the msdn site here, it says this empty message signals a success. However, the folder is still there. Any ideas what could be the problem?

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