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Articles indexed in March 2010

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  • What is AGL on .NET Compact Framework?

    - by SmartJJ
    What is AGL on .NET Compact Framework?? Any information about it would be very appreciated! For Example(Code from .NET Compact Framework): DllImport("AGL", EntryPoint="@106")] public static extern PAL_ERROR Blt(IntPtr howThis, IntPtr howSrc, ref RC rcSrc, ref RC rcDst, int cvKey, AGL_BLT md); public void Save(Stream stream, ImageFormat format) { if (stream == null) { throw new ArgumentNullException("stream"); } if (!stream.CanSeek || !stream.CanWrite) { throw new ArgumentException(); } MISC.HandleAr(GL.SaveImage(this.m_how, format.m_imgfmt, StreamWrapper.CreateStreamCallback(stream))); }

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  • NSInvalidArgumentException: Illegal attempt to establish a relationship between objects in different

    - by iPhoneDollaraire
    I have an app based on the CoreDataBooks example that uses an addingManagedObjectContext to add an Ingredient to a Cocktail in order to undo the entire add. The CocktailsDetailViewController in turn calls a BrandPickerViewController to (optionally) set a brand name for a given ingredient. Cocktail, Ingredient and Brand are all NSManagedObjects. Cocktail requires at least one Ingredient (baseLiquor) to be set, so I create it when the Cocktail is created. If I add the Cocktail in CocktailsAddViewController : CocktailsDetailViewController (merging into the Cocktail managed object context on save) without setting baseLiquor.brand, then it works to set the Brand from a picker (also stored in the Cocktails managed context) later from the CocktailsDetailViewController. However, if I try to set baseLiquor.brand in CocktailsAddViewController, I get: Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: 'Illegal attempt to establish a relationship 'brand' between objects in different contexts' From this question I understand that the issue is that Brand is stored in the app's managedObjectContext and the newly added Ingredient and Cocktail are stored in addingManagedObjectContext, and that passing the ObjectID instead would avoid the crash. What I don't get is how to implement the picker generically so that all of the Ingredients (baseLiquor, mixer, garnish, etc.) can be set during the add, as well as one-by-one from the CocktailsDetailViewController after the Cocktail has been created. In other words, following the CoreDataBooks example, where and when would the ObjectID be turned into the NSManagedObject from the parent MOC in both add and edit cases? -IPD UPDATE - Here's the code: - (IBAction)addCocktail:(id)sender { CocktailsAddViewController *addViewController = [[CocktailsAddViewController alloc] init]; addViewController.title = @"Add Cocktail"; addViewController.delegate = self; // Create a new managed object context for the new book -- set its persistent store coordinator to the same as that from the fetched results controller's context. NSManagedObjectContext *addingContext = [[NSManagedObjectContext alloc] init]; self.addingManagedObjectContext = addingContext; [addingContext release]; [addingManagedObjectContext setPersistentStoreCoordinator:[[fetchedResultsController managedObjectContext] persistentStoreCoordinator]]; Cocktail *newCocktail = (Cocktail *)[NSEntityDescription insertNewObjectForEntityForName:@"Cocktail" inManagedObjectContext:self.addingManagedObjectContext]; newCocktail.baseLiquor = (Ingredient *)[NSEntityDescription insertNewObjectForEntityForName:@"Ingredient" inManagedObjectContext:self.addingManagedObjectContext]; newCocktail.mixer = (Ingredient *)[NSEntityDescription insertNewObjectForEntityForName:@"Ingredient" inManagedObjectContext:self.addingManagedObjectContext]; newCocktail.volume = [NSNumber numberWithInt:0]; addViewController.cocktail = newCocktail; UINavigationController *navController = [[UINavigationController alloc] initWithRootViewController:addViewController]; [self.navigationController presentModalViewController:navController animated:YES]; [addViewController release]; [navController release]; }

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  • how to handle solutions/versioning in subversion

    - by Grayson Mitchell
    We are using ankhsvn to check in our .net code, however I have two issues with our setup that I want to resolve. 1\ I thought a key reason to have a tool like svn is that you can rollback to an earlier version of your codebase. If developers are just checking in code, then how can you get version 1.1 (say the current production build), out of subversion? 2\ In VS you have the concept of solutions, many solutions might use the same project. How do I make sure when a developer checks out a solution, they get the appropriate versions of the projects that belong to that solution?

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  • Is it possible to put binary image data into html markup and then get the image displayed as usual i

    - by Joern Akkermann
    It's an important security issue and I'm sure this should be possible. A simple example: You run a community portal. Users are registered and upload their pictures. Your application gives security rules whenever a picture is allowed to be displayed. For example users must be friends on each sides by the system, in order that you can view someone else's uploaded pictures. Here comes the problem: it is possible that someone crawls the image directories of your server. But you want to protect your users from such attacks. If it's possible to put the binary data of an image directly into the HTML markup, you can restrict the user access of your image dirs the user and group your web application runs of and pass the image data to your Apache user and group directly in the HTML. The only possible weakness then is the password of the user that your web app runs as. Is there already a possibility?

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  • Get text of button from IBAction - iPhone

    - by Organiccat
    When an IBAction is called: -(IBAction) onClick1: (id) sender; What is passed in the sender? Since it's hooked up through the IB, I'm not really sure. My question is how to get the text of the button to be the passed object (NSString most likely) so that I could call it inside the action implementation. -(IBAction) onClick1: (id) sender { NSLog(@"User clicked %@", sender); // Do something here with the variable 'sender' }

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  • Any sense to set obj = null(Nothing) in Dispose()?

    - by serhio
    Is there any sense to set custom object to null(Nothing in VB.NET) in the Dispose() method? Could this prevent memory leaks or it's useless?! Let's consider two examples: public class Foo : IDisposable { private Bar bar; // standard custom .NET object public Foo(Bar bar) { this.bar = bar; } public void Dispose() { bar = null; // any sense? } } public class Foo : RichTextBox { // this could be also: GDI+, TCP socket, SQl Connection, other "heavy" object private Bitmap backImage; public Foo(Bitmap backImage) { this.backImage = backImage; } protected override void Dispose(bool disposing) { if (disposing) { backImage = null; // any sense? } } }

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  • Whats wrong with my SQL query?

    - by William
    I'm trying to set up a query that shows the first post of each thread and is ordered by the date of the last post in each thread. I got the first part down with this query: SELECT * FROM ( SELECT Min( ID ) AS MinID FROM test_posts GROUP BY Thread )tmin JOIN test_posts ON test_posts.ID = tmin.MinID Now I need to figure out how to call the last post of each thread into a table, than use that table to order the first tables results. So far I got this, but it doesn't work. SELECT * FROM ( SELECT Min( ID ) AS MinID FROM test_posts GROUP BY Thread )tmin JOIN test_posts ON test_posts.ID = tmin.MinID ORDER BY (SELECT MAX( ID ) AS MaxID, Thread, MAX( Date ) FROM test_posts GROUP BY Thread )tmax tmax.Date

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  • jQuery Dialog + Chrome - opening a second modal dialog doesn't dim the page

    - by psychotik
    I have a jQuery modal dialog with a button. When clicked, it closes the current dialog and open another modal dialog. This works fine in FF and IE, but in Chrome I lose the dimmed main page after the first dialog and the second one is opened. It looks like the CSS isn't applied anymore? I'm using jQuery UI 1.7.2 and jQuery 1.3.2 (can't upgrade to 1.4.1 for an unrelated reason). Any ideas/workarounds?

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  • What are PHP 5.2 settnigs which affect compatibility with old code (developed for PHP 4 and 3)?

    - by Ivan
    What are PHP 5.2 settnigs which affect compatibility with old code (developed for PHP 4 and 3)? A web application using XTemplate 0.2.4-2 (officially meant for 3.0.11) works fine on one server running PHP 5.2 but works incorrect (seems that the form can't be submitted or processed correctly) on new PHP 5.2 and 5.3 installations. What may I need to tweak on new servers to make them able to run legacy code?

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  • delphi tidhttp get procedure not working on some urls

    - by davy yabut
    Hi guys, I am encountering a problem in delphi Tidhttp component wherein the GET procedure cant fetch a specific url but on other urls it is working. Example this code cant fetch the error_url but if you change the error_url to any valid url its working: procedure TForm1.Button1Click(Sender: TObject); var Response : TStringStream; error_url: string; begin error_url := 'http://www.chefscatalog.com/international/home.aspx'; //error url Response := TStringStream.Create; try IdHTTP1.Get(error_url, Response); Memo1.Text := Response.DataString; finally FreeAndNil(Response); end; end; By the way idHTTP1 redirect property is set here to true so redirection is not the problem. you can download the source code (which is indytest.zip) of this project in this link http://www.yourfilelink.com/get.php?fid=534933 Please help me guys. Thanks in advance :)

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  • SQL SERVER Checklist for Analyzing Slow-Running Queries

    I am recently working on upgrading my class Microsoft SQL Server 2005/2008 Query Optimization and & Performance Tuning with additional details and more interesting examples. While working on slide deck I realized that I need to have one solid slide which talks about checklist for analyzing slow running queries. A quick search on my saved [...]...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • SNEAK PEEK: New Silverlight application themes

    Twas the week before MIX, when all through the tubes Not a developer was sleeping, not even the noobs. The laptops were paved removed of their glitz In hopes that they soon will get some new bits. A developer was coding, building an app Trying to build the next greatest XAP Battleship gray?! Now thats obscene Check our designers latest theme Okay, so Im not going to win any poetry awards. Our UX design team for Silverlight has been thinking about app building a lot this past year,...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Can you use a USB dongle inside a VMWare ESX Virual Machine?

    - by Keith Sirmons
    Howdy, I need to know if a USB dongle that is required as a license key for a piece of software will accessible from the physical host machine. This will be a small vSphere 4 installation targeting the quick backup and system restore capabilities of VMWare, not specifically HA, so I am not to worried about the virtual machine automatically failing over to another physical machine and the dongle not being accessible. Does ESX have the capability to map a physical USB port or device to a specific Virtual Machine? I believe this is the dongle: Sentinal Superpro USB Dongle by Rainbow Technologies Thank you, Keith

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  • Converting DisplayPort and/or HDMI to DVI-D?

    - by Jeff Atwood
    Newer Radeon video cards come with four ports standard: DVI (x2) HDMI DisplayPort If I want to run three 24" monitors, all of which are DVI only, from this video card -- is it possible to convert either the HDMI or DisplayPort to DVI? If so, how? And which one is easier/cheaper to convert? I did a little research and it looks like there isn't a simple "dongle" method. I found this DisplayPort to DVI-D Dual Link Adapter but it's $120; almost cheaper to buy a new monitor that supports HDMI or DisplayPort inputs at that point! There's also a HDMI to DVI-D adapter at Monoprice but I'm not sure it will work, either. AnandTech seems to imply that you do need the DisplayPort-to-DVI: The only catch to this specific port layout is that the card still only has enough TMDS transmitters for two ports. So you can use 2x DVI or 1x DVI + HDMI, but not 2x DVI + HDMI. For 3 DVI-derived ports, you will need an active DisplayPort-to-DVI adapter.

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  • Safari can’t establish a secure connection to the server

    - by gdelfino
    I realize there is another question with the same title, but my situation is very different. The problem started on three of my computers after upgrading from Leopard to Snow Leopard. I can login to gmail and facebook using https with no problem. I can not login to https://identi.ca/main/login or https://seminars.wolfram.com/ or https://panopticlick.eff.org with Safari, works fine with Firefox. Already tried "Safari Reset..." Any ideas?

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  • Having a different action for each button dynamically created in a loop

    - by Oliver
    Hi, use this website a lot but first time posting. My program creates a number of buttons depending on the number of records in a file. E.g. 5 records, 5 buttons. The buttons are being created but i'm having a problem with the action listener. If add the action listener in the loop every button does the same thing; but if I add the action listener outside the loop it just adds the action listener to last button. Any ideas? Here is what I have code-wise (I've just added the for loop to save space): int j=0; for(int i=0; i<namesA.size(); i++) { b = new JButton(""+namesA.get(i)+""); conPanel.add(b); conFrame.add(conPanel); b.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent ae2){ System.out.println(namesA.get(j)); } }}); j++; } Much Appreciated

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  • Ericsson f3507g WWAN (3G Broadband) and AT commands

    - by JD
    I have a lenovo x200t tablet with WWAN built into it. I'm trying to connect to the internet using AT commands and a C# program which I am making so that the program can connect to the net and upload information on demand. I don't want to use Lenovo's "Access Connections" as it is too complicated for the end user. So far I have been able to use terminal to turn the card on and off, ring landlines and send SMS messages. However I can't seem to access the internet using it. I could access the net through it before I removed "Access Connections" software/bloatware. The commands I am using to try and access the net are: Connect on COM7 to the modem Send initialisation string "AT+CFUN=1" Send AT*ENAP=1,1 as suggested here (http://www.thinkwiki.org/wiki/Ericsson%5FF3507g%5FMobile%5FBroadband%5FModule) Windows says it is "Identifying" the network and a yellow exclamation mark appears on the networking icon in the task bar, but the connection fails and drops off. An IP is assigned to the "Local Area Connection 2" of 169.254.1.192 with a subnet of 255.255.0.0 - no gateway or DNS. Definately no net connection... Anyone got any ideas?

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  • Multiple file selection for an upload control

    - by Abel Morelos
    Hi, I was trying to do something like this: http://www.element-it.com/Examples/MultiPowUpload/AdvancedHTMLinterface.html But in my search for information I found that is not possible to perform multiple file selection with simple HTML and JavaScript (and JSP in the server side). There is a way to do this without using Flash? A third party component you could recommend? Thanks.

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  • How to add an UIImage in MailComposer Sheet of MFMailComposeViewController in iPhone

    - by rkbang
    Hi everybody, I am asking this question second time in a different manner. I want to insert UIImages inside the composer sheet of MFMailComposerViewController. Please note I dont want to attach them but I want to place them in a table using HTML code which will be the part of the email body. I am really finding it difficult to find any help online, so if anyone come across any tutorial or any kind of info plz let me know. Tnx in advance.

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  • PHP FPDF PDF Page Break Question

    - by Michael
    I am using PHP and FPDF to generate a PDF with a list of items. My problem is if the item list goes on to a second or third page, I want to keep the Item Name, Quantity and Description together. Right now, it will go to a second page, but it may split up all of the details for a particular item. PLEASE HELP! <?php require_once('auth.php'); require_once('config.php'); require_once('connect.php'); $sqlitems="SELECT * FROM $tbl_items WHERE username = '" . $_SESSION['SESS_LOGIN'] . "'"; $resultitems=mysql_query($sqlitems); require_once('pdf/fpdf.php'); require_once('pdf/fpdi.php'); $pdf =& new FPDI(); $pdf->AddPage('P', 'Letter'); $pdf->setSourceFile('pdf/files/healthform/meds.pdf'); $tplIdx = $pdf->importPage(1); $pdf->useTemplate($tplIdx); $pdf->SetAutoPageBreak(on, 30); $pdf->SetTextColor(0,0,0); $pdf->Ln(10); while($rowsitems=mysql_fetch_array($resultitems)){ $pdf->SetFont('Arial','B',10); $pdf->Cell(50,4,'Item Name:',0,0,'L'); $pdf->SetFont(''); $pdf->Cell(100,4,$rowsitems['itemname'],0,0,'L'); $pdf->SetFont('Arial','B',10); $pdf->Cell(50,4,'Quantity:',0,0,'L'); $pdf->SetFont(''); $pdf->Cell(140,4,$rowsitems['itemqty'],0,1,'L'); $pdf->SetFont('Arial','B'); $pdf->Cell(50,4,'Description:',0,0,'L'); $pdf->SetFont(''); $pdf->Cell(140,4,$rowsitems['itemdesc'],0,1,'L'); } $pdf->Output('Items.pdf', 'I'); ?>

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  • Javascript - Determine if String Is In List

    - by Emtucifor
    In SQL we can see if a string is in a list like so: Column IN ('a', 'b', 'c') What's a good way to do this in javascript? I realize one can use the switch function: var str = 'a' var flag = false; switch (str) { case 'a': case 'b': case 'c': flag = true; default: } if (thisthing || thatthing || flag === true) { // do something } But this is a horrible mess. It's also clunky to do this: if (thisthing || thatthing || str === 'a' || str === 'b' || str = 'c') { // do something } And I'm not sure about the performance or clarity of this: if (thisthing || thatthing || {a:1, b:1, c:1}[str]) { // do something } Any ideas?

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