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• How to get first derivative function for multiple dimensions

  - by nancy

  Hi If I have a constraint with a slope function f(h) = 1, h is the unknown value. I am trying to get the first derivative function for multiple dimensions. Please help. Thanks Nancy

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• MVVM light - how to access property in other view model

  - by Ueli Sonderegger

  Hi, I'm using mvvm light to build a Silverlight application. Is there a code snippet that shows how to access a view model's property or command from within another view model or user control's code behind? I guess it's simple, but I somehow missed something. Ueli

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• Link to first image attachment in a wordpress post

  - by mattloak

  How would I create a text link to the first image attachment page in a wordpress post without trying to figure out what the slug will be after it is published. I realize that I can link the images to their attachment page but I wan't to be able to create a text link. Is this possible?

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• show a new view after x seconds?

  - by user301496

  hey all, i'm quite new to objective c and i have this problem. i'm animating an image an show this in a imageview. after 15 seconds i want to show another view, thought of a "flying in view from the bottom". any hints fpr me how i could manage that? thanx in advance marcus

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• View Report in XBAP Partial Trust

  - by Reza

  I Have a Problem for view Application Reports in XBAP Partail Trust . because of using xbap in Partial trust, can not use windowsFormsHost. Is there is a way to view report in XBAP Application? (rdlc || Crystal || etc.)

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• xml parsing + tablew view tutorial needed

  - by shishir.bobby

  Hi all, i am working on live XML arsing, i am able to parse xml and pass into array,but i am not able to set those values into table view, so if any 1 can provide me some guideline or some tutorials to set array data into table view,with xml parsing,it will be a great heklp for me. regard shishir

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• How to Pop Current View from Navigation Controller?

  - by theactiveactor

  Is there a way to pop the current view from the Navigation Controller? Ideally in viewDidLoad, I would like to perform some sanity checking and if it fails, popup an error dialog and automatically close the current view (remove from parent N.avigation Controller)

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• Display the first 5 file names using opendir() and $file using PHP

  - by Jean

  Hello, $d = opendir("docs"); while (($file = readdir($d)) !== false) { if (($file != ".") && ($file != "..")){ } } I want to be able to display the first 5 file names. Thanks Jean

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• Only replace first matching element using PHP's mb_ereg_replace

  - by Mark L

  Hello, I want to replace only the first matching element in a string instead of replacing every matching element in a string $str = 'abc abc abc'; $find = 'abc'; $replace = 'def'; echo mb_ereg_replace( $find, $replace, $str ); This will return "def def def". What would I need to change in the $find or $replace parameter in order to get it to return "def abc abc"?

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• UpdatePanel on masterpage does postback on first button click

  - by gevjen

  I have an update panel on a masterpage and for reasons unbeknown to me our content placeholder is within the updatepanel. But when I click on a button on one of our pages that uses the masterpage the page postsback. If I then click the button for a second time it does not postback and does an ajax call. Im wondering why it does a postback the first time when I dont want it to. Below is how I have the updatepanel set up

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• CodeIgniter output XML in View

  - by Peter

  I tried to output XML in the view file. The view file is result_view.php and its first line is <?php echo '<?xml version="1.0" encoding="UTF-8"?>'; ?> But I get the error "Content is not allowed in prolog". So how to do this correctly? I use Eclipse + PDT.

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• xcode 3.2.2, can't see nib design view

  - by Eddie

  I recently updated to xcode 3.2.2 yet now when I click my .xib files, I can't see the view window where I can drag/drop stuff, I only see the inspector panes and can't get the design view to show

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• How to order by column with non-null values first in sql

  - by devlife

  I need to write a sql statement to select all users ordered by lastname, firstname. This is the part I know how to do :) What I don't know how to do is to order by non-null values first. Right now I get this: null, null null, null p1Last, p1First p2Last, p2First etc I need to get: p1Last, p1First p2Last, p2First null, null null, null Any thoughts?

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• Page controll and Scroll View

  - by Gabry

  Hi everybody, for my application, i want to use page control with scroll view in witch i use some custom view. how can i do it, via IB? thanks

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• how to disable NumericUpDownExtender after first click?

  - by Ali

  I'm using NumericUpDownExtender inside updatepanel which is inside repeater displays comments on article. I use NumericUpDownExtender as thumbs up/down and I need to disable it after first click so that no one can rate the comment more than once. How can I do that? Thanks in advance for your help!

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• Android: How to resize a custom view programmatically?

  - by herbertD

  Hi all! I am coding a custom view, extended from RelativeLayout, and I want to resize it programmatically, How can I do? the custom view Class is something like: public ActiveSlideView(Context context, AttributeSet attr){ super(context, attr); LayoutInflater inflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); if(inflater != null){ inflater.inflate(R.layout.active_slide, this); }

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• location of first visible pixel in window? (jquery)

  - by Mladen

  I dont't know how to put that, but I need y coordinates of the first pixel that is visible in window when I scroll down. thanks, Mladen

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• Switching main view in WPF

  - by mico

  I know it might be silly, I have just started with WPF. I want to switch to a different view when a user clicks on a control, for example showing a detail page after a click on a list. This view would replace the original. In a web application this would be navigating to a different page. What is the local idiom for that?

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• How to push a UIViewController from a modal view

  - by JK

  I present a UIViewController modally but would like to push another ViewController from the modal view. How can this be done as pushViewController does not work from a modal view. Thanks

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• Cocoa: How to make table view draw custom views in each cell

  - by Inso Reiges

  Hello, I am learning Cocoa and trying to create an application for Mac that displays a simple book list. Each book is an NSView with its cover image, title and author. I want to present this list as a NSTableView with a single column and a book view in each cell. However i can't yet figure out how to display a custom view inside a table cell in interface builder or programmatically. Any tips would be very appreciated :) Inso.

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• Getting the first URL of an image search result with google image API in PHP

  - by DomingoSL

  Hello, did you know a php script (a class will be nice) who get the url of the first image result of a google api image search? Thanks Example. <?php echo(geturl("searchterm")) ?>

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• Detecting view the user was in with - (void)applicationWillTerminate

  - by iamdadude

  Is there a way for me to check which view the user was in when the application is about to quit? I want to make sure that once the app starts again that view will be the first thing the user sees, so I'm guessing this is the best way to go about doing it.

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• current location too slow for view

  - by Christian

  Hi, I make an App with a Map in the App and a button to change to the google.Map-App. The code for my position is: -(void)locationManager:(CLLocationManager *)manager didUpdateToLocation:(CLLocation *)newLocation fromLocation:(CLLocation *)oldLocation { float avgAccuracy = (newLocation.verticalAccuracy + newLocation.horizontalAccuracy)/2.0; if (avgAccuracy < 500) { [locationManager stopUpdatingLocation]; locationManager.delegate = nil; } storedLocation = [newLocation coordinate]; The code for the view is: - (void)viewDidLoad { [super viewDidLoad]; UIImage *image = [UIImage imageNamed: @"LogoNavBar.png"]; UIImageView *imageview = [[UIImageView alloc] initWithImage: image]; UIBarButtonItem *button = [[UIBarButtonItem alloc] initWithCustomView: imageview]; self.navigationItem.rightBarButtonItem = button; [imageview release]; [button release]; locationManager=[[CLLocationManager alloc] init]; locationManager.delegate = self; locationManager.desiredAccuracy = kCLLocationAccuracyBest; locationManager.distanceFilter = kCLDistanceFilterNone; [locationManager startUpdatingLocation]; mapView.showsUserLocation = YES; NSLog(@"storedLocation-latitude für MKregion: %f", storedLocation.latitude); MKCoordinateRegion region; region.center.latitude = (storedLocation.latitude + 45.58058)/2.0; region.center.longitude = (storedLocation.longitude - 0.546835)/2.0; region.span.latitudeDelta = ABS(storedLocation.latitude - 45.58058); region.span.longitudeDelta = ABS(storedLocation.longitude + 0.546835); [mapView setRegion:region animated:TRUE]; MKCoordinateRegion hotel; hotel.center.latitude = 45.58058; hotel.center.longitude = -0.546835; HotelPositionMarker* marker = [[HotelPositionMarker alloc] initWithCoordinate:hotel.center]; [mapView addAnnotation:marker]; [marker release]; } My problem: when the "viewDidLoad" start, the "storedLocation" is still 0.0000 it takes a bit longer to get the own position than to start the view. The Log for the "storedLocation" in the "viewDidLoad"-section is 0 while the Log of the "storedLocation" in the "-(IBAction)" when the map is visible contains the right values. How can I manage it to have my coordinates before the view load? I need them to center the view concerning the own position and the position given by me. MKCoordinateRegion region; region.center.latitude = (storedLocation.latitude + 45.58058)/2.0; region.center.longitude = (storedLocation.longitude - 0.546835)/2.0; region.span.latitudeDelta = ABS(storedLocation.latitude - 45.58058); region.span.longitudeDelta = ABS(storedLocation.longitude + 0.546835); [mapView setRegion:region animated:TRUE];

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• Adding option to view readme file on the final screen of visual studio deployment project

  - by tjjjohnson

  I've got a visual studio deployment project and would like to add an option to view a readme file from the final screen. So basically there would be a link or checkbox that the user can select if they want to view the readme. Does anyone know of an easy way to do this?

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• Can't set text label in table view in Xcode for the iPhone

  - by Dave

  I have this code: tableList = [[NSMutableArray alloc] initWithObjects:@"First View",@"Second View",nil]; I have synthesized it and set the property, the problem is when I add this line under the configure the cell comment to set the text of each row, the app opens in the simulator but instantly closes: // Configure the cell. cell.textLabel.text = [tableList objectAtIndex:indexPath.row]; return cell; Any ideas on what is causing this ?

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