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• Unable to hide TabBar on sub view in iphone

  - by iPhoneDev

  Hello Everyone, My app flow requires Navigation and TabBar controller. So I decided to use TabBar template. Since my first page is login which do not require TabBar, I used presentModelViewController to show Login screen which have Navigation bar if user Navigate to Forgot password. LoginView *rootView = [[[LoginView alloc] init] autorelease]; navigationController= [[[UINavigationController alloc] initWithRootViewController:rootView] autorelease]; [tabBarController presentModalViewController:navigationController animated:FALSE]; Ones the user login I dismiss view controller and show TabBar with 5 Tab and Each Tab contain TabaleView. User select any row and navigate to sub view. The issue is, on sub view I dont need tab bar. (TabBar is needed ONLY on dashboard). If I hide tabBar a white space remain there. Is there any workaround to solve this issue? Please find the screen shot Firt Screen ( presentModelViewController): Second Screen: Issue on sub view:

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• C# ListView Detail, Highlight a single cell

  - by Mike Christiansen

  Hello, I'm using a ListView in C# to make a grid. I would like to find out a way to be able to highlight a specific cell, programatically. I only need to highlight one cell. I've experimented with Owner Drawn subitems, but using the below code, I get highlighted cells, but no text! Are there any ideas on how to get this working? Thanks for your help. //m_PC.Location is the X,Y coordinates of the highlighted cell. void listView1_DrawSubItem(object sender, DrawListViewSubItemEventArgs e) { if ((e.ItemIndex == m_PC.Location.Y) && (e.Item.SubItems.IndexOf(e.SubItem) == m_PC.Location.X)) e.SubItem.BackColor = Color.Blue; else e.SubItem.BackColor = Color.White; e.DrawBackground(); e.DrawText(); }

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• UIScrollView issue with autorotation and content scaling

  - by boliva

  Hi, I'm building a new (autorotating) iPad app that consists mainly of a screen sized UIScrollView that contains an UIImageView for an image which is 5 times the iPad screen resolution while in portrait mode (3840x1024). What I haven't been able to accomplish is that whenever the device rotates (to whichever orientation) the imageView bounds and the scrollView contentSize asjusts the image for the new height (maintaining its aspect ratio), making the height of the image to always fit the device height for the given orientation (so in the particular case of this image, it would get shown as 2880x768). I tried different combinations of autoresizingMask and contentMode for the imageView but the closer I've been able to get is to effectively display the image at the desired size but with a white padding around it and into the scrollView content (to make up for the original orientation contentSize). I also tried recalculating the scrollView contentSize in the didRotate.../viewWillAnimate... rotation-related methods in my viewController class, with no avail. Best regards and thanks for your time

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• using dojox grid in xpages

  - by Tarun

  how to use dojox datagrid in xpages? If anyone have code snippet please send it to me at [email protected] I am trying with the following code but getting nothing at the output: <xp:this.resources> <xp:dojoModule name="dojox.grid.DataGrid"></xp:dojoModule> <xp:dojoModule name="dojox.grid"></xp:dojoModule> </xp:this.resources> <xp:panel > <xp:scriptBlock id="scriptBlock1"> <xp:this.value><![CDATA[makeGrid = function(){ dojo.require("dijit.form.Button"); dojo.require("dojox.grid.DataGrid"); var subrow1 = [{name: "Product Title"}, {name: "Price"}, {name: "Type"}]; var view = {rows: [ subrow1 ]}; var structure = [ view ]; var data = [ ["Baseball gloves", 12.34, "Sports"], ["Tennis ball", 5.99, "Sports"], ["T-shirt", 12.45, "Clothing"], ["Hat", 12.45, "Clothing"] ]; var productModel = new dojox.grid.data.Table(null, data); productModel.render(); }; XSP.addBeforeLoad(makeGrid);]] <div dojoType="dojox.Grid" autoWidth="true" model="productModel" structure="structure" </xp:panel> Please help !!

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• WPF: RenderOptions.EdgeMode="Unspecified" vs "Alias" override global setting with local setting

  - by msfanboy

  Hello, in the ressource-tag of my MainWindowView.xaml I have this markup: RenderOptions.EdgeMode="Aliased" to get a general sharp look of my whole application. Using mostly rectangular shapes/controls this works fine. But for my validation error symbols I use a red ellipse with a white cross or "X" in it. The ellipse is using now the global "Aliased" settings what looks not good because I can see the pixelated border of the ellipse. Using now does NOT change anything ??? I always set in wpf local settings override global settings ?

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• Laplacian of Gaussian: how does it work? (opencv)

  - by maximus

  Does anybody know how does it work and how to do it using opencv? Laplacian can be calculated using opencv, but the result is not what I expected. I mean I expect the image to be approximately constant contrast at background regions, but it is black, and edges are white. There are a lot of noise also, even after gauss filter. I filter image using gaussian filter and then apply laplace. I think what I want is done by a different way.

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• Good GUI Design Tool to mock up iPhone & Android applications

  - by Peter Delaney

  I am about to embark on developing a mobile application for both the iPhone and the Android based phone. I have most of my gui mock ups written down on a white board and some in my head. I need to put them down on paper so I can relay my designs to others in my team. I was wondering what the best on-line gui mockup tool I could use? I have a lot of experience with Visio and I truly like it. I want a tool that would be web based so I could collaborate with others on the team. Does anyone have a suggestion for an easy gui mockup tool that I could use?

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• How to mix colors "naturally" with C#?

  - by crono

  I have to mix some colors in a natural way. This means blue + yellow = green blue + red = purple and so on. I got the colors as RGB-Values. When I try to mix them I got the right "RGB"-results like green + red = yellow yellow + blue = white but not the right "natural-wet-paint"-results. Any good idea how to mix RGB in a natural way? It would be great if someone knew a solution within the Microsoft.Xna.Framework.Graphics namespace but a generic solution would also help :)

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• Silverlight 4 toolkit, charting and lineSeries is null

  - by Snake

  Hi, I create a Silverlight Chart, with the Silverlight 4 toolkit, the April release. Consider the following chart: <Grid x:Name="LayoutRoot" Background="White"> <Charting:Chart Title="Chart to test" Name="MySuperChart"> <Charting:LineSeries x:Name="MyLineSeries" Title="Something" /> </Charting:Chart> </Grid> So far so good. I can access the Series in the chart by MySuperChart.Series[0] But when I try to reference MyLineSeries, it appears to be null. Full view

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• WPF drop shadow

  - by Petezah

  Currently I'm making something in WPF that has a border that contains a grid and other controls. The problem I'm facing is that whenever I set the Border.Effect property to a drop shadow effect every control contained in the border now has a drop shadow. Is there a way to set the shadow just to the border and not every control contained in the border? Here is a short example of my code: <Grid> <Border Margin="68,67,60,67" BorderBrush="Black" BorderThickness="1" CornerRadius="10"> <Border.Effect> <DropShadowEffect/> </Border.Effect> <Rectangle Fill="White" Stroke="Black" Margin="37,89,118,98" /> </Border> </Grid>

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• jQuery, insertBefore, validation, Placement of error message

  - by Steve

  I am using insertBefore under errorplacement to add validation messages, each one below each other as I want the order of the messages to go from top to bottom. I am using a hidden input at the very bottom of a parent element in order to supply an element for the insertBefore argument. Is there a way to insert from the bottom without using the dummy hidden element? If I use absolute positioning, there is a possibility for white space, for example 3 stacked messages, the middle one missing since there is no collapsing with absolute positioning.

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• Standard Apache (not OHS) with mod_osso for Single Signon

  - by Markos Fragkakis

  The mod_osso.so (the Apache plugin for Single Signon, provided by Oracle) is distributed with the Oracle HTTP Server (OHS), which is essentially a modified Apache. I am trying to use it on the standard Apache HTTP Server, and have not managed to get it to work. Configuration: Apache 2.2.15 OHS from the Oracle Web Tier Tools 11.1.1.2.0 Red Hat Linux 64 bit I have: Included the module in the modules directory (copied from corresponding modules dir in OHS) Included the libraries libiau.so and libclutsh.so.11.1 from Oracle Home. The absence of these libraries produced an error on starting Apache. Produced a osso.conf using the ssoreg.sh tool provided with OID (the LDAP implementation of Oracle) Created the required mod_osso.conf file, which I included in httpd.conf. The error I get when starting Apache is this: # /opt/apache_sso/bin/apachectl -k start httpd: Syntax error on line 1075 of /opt/apache_sso/conf/httpd.conf: Syntax error on line 1 of /opt/apache_sso/conf/mod_osso.conf: Cannot load /opt/apache_sso/modules/mod_osso.so into server: /opt/apache_sso/modules/mod_osso.so: undefined symbol: _audit_authentication_request My mod_osso.conf: # cat /opt/apache_sso/conf/mod_osso.conf LoadModule osso_module modules/mod_osso.so <IfModule mod_osso.c> OssoIdleTimeout off OssoIpCheck on OssoConfigFile conf/osso.conf #Location is the URI you want to protect <Location /myapp> require valid-user #OHS 11g AuthType Osso #OHS 10g AuthType Basic AuthType Osso </Location> </IfModule> Has anyone made mod_osso work on standard Apache HTTP server?

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• Silverlight Chat WrapPanel Crash / Bug

  - by Matt

  I've been given the task to create a simple Silverlight chat box for two people. My control must adhere to the following requirements Scrollable Text must wrap if it's too long When a new item / message is added it must scroll that item into view Now I've successfully made a usercontrol to meet these requirements, but I've run into a possible bug / crash that I can't for the life of me fix. I'm looking for either a fix to the bug, or a different approach to creating a scrollable chat control. Here's the code I've been using. We'll start with my XAML for the chat window <ListBox x:Name="lbChatHistory" Grid.Row="0" Grid.Column="0" Grid.ColumnSpan="2" ScrollViewer.VerticalScrollBarVisibility="Visible" ScrollViewer.HorizontalScrollBarVisibility="Disabled" > <ListBox.ItemTemplate> <DataTemplate> <Grid Background="Beige"> <Grid.ColumnDefinitions> <ColumnDefinition Width="70"></ColumnDefinition> <ColumnDefinition Width="Auto"></ColumnDefinition> </Grid.ColumnDefinitions> <TextBlock x:Name="lblPlayer" Foreground="{Binding ForeColor}" Text="{Binding Player}" Grid.Column="0"></TextBlock> <ContentPresenter Grid.Column="1" Width="200" Content="{Binding Message}" /> </Grid> </DataTemplate> </ListBox.ItemTemplate> </ListBox> The idea is to add a new Item to the listbox. The Item (as layed out in the XAML) is a simple 2 column grid. One column for the username, and one column for the message. Now the "items" that I add to the ListBox is a custom class. It has three properties (Player, ForeColor, and Message) that I using binding on within my XAML Player is a string of the current user to display. ForeColor is just a foreground color preference. It helps distinguish the difference between messages. Message is a WrapPanel. I programmatically break the supplied string on the white space for each word. Then for each word, I add a new TextBlock element to the WrapPanel Here is the custom class. public class ChatMessage :DependencyObject, INotifyPropertyChanged { public event PropertyChangedEventHandler PropertyChanged; public static DependencyProperty PlayerProperty = DependencyProperty.Register( "Player", typeof( string ), typeof( ChatMessage ), new PropertyMetadata( new PropertyChangedCallback( OnPlayerPropertyChanged ) ) ); public static DependencyProperty MessageProperty = DependencyProperty.Register( "Message", typeof( WrapPanel ), typeof( ChatMessage ), new PropertyMetadata( new PropertyChangedCallback( OnMessagePropertyChanged ) ) ); public static DependencyProperty ForeColorProperty = DependencyProperty.Register( "ForeColor", typeof( SolidColorBrush ), typeof( ChatMessage ), new PropertyMetadata( new PropertyChangedCallback( OnForeColorPropertyChanged ) ) ); private static void OnForeColorPropertyChanged( DependencyObject d, DependencyPropertyChangedEventArgs e ) { ChatMessage c = d as ChatMessage; c.ForeColor = ( SolidColorBrush ) e.NewValue; } public ChatMessage() { Message = new WrapPanel(); ForeColor = new SolidColorBrush( Colors.White ); } private static void OnMessagePropertyChanged( DependencyObject d, DependencyPropertyChangedEventArgs e ) { ChatMessage c = d as ChatMessage; c.Message = ( WrapPanel ) e.NewValue; } private static void OnPlayerPropertyChanged( DependencyObject d, DependencyPropertyChangedEventArgs e ) { ChatMessage c = d as ChatMessage; c.Player = e.NewValue.ToString(); } public SolidColorBrush ForeColor { get { return ( SolidColorBrush ) GetValue( ForeColorProperty ); } set { SetValue( ForeColorProperty, value ); if(PropertyChanged != null) PropertyChanged(this, new PropertyChangedEventArgs( "ForeColor" )); } } public string Player { get { return ( string ) GetValue( PlayerProperty ); } set { SetValue( PlayerProperty, value ); if ( PropertyChanged != null ) PropertyChanged( this, new PropertyChangedEventArgs( "Player" ) ); } } public WrapPanel Message { get { return ( WrapPanel ) GetValue( MessageProperty ); } set { SetValue( MessageProperty, value ); if ( PropertyChanged != null ) PropertyChanged( this, new PropertyChangedEventArgs( "Message" ) ); } } } Lastly I add my items to the ListBox. Here's the simple method. It takes the above ChatMessage class as a parameter public void AddChatItem( ChatMessage msg ) { lbChatHistory.Items.Add( msg ); lbChatHistory.ScrollIntoView( msg ); } Now I've tested this and it all works. The problem I'm getting is when I use the scroll bar. You can scroll down using the side scroll bar or arrow keys, but when you scroll up Silverlight crashes. FireBug returns a ManagedRuntimeError #4004 with a XamlParseException. I'm soo close to having this control work, I can taste it! Any thoughts on what I should do or change? Is there a better approach than the one I've taken? Thanks in advance. UPDATE I've found an alternative solution using a ScrollViewer and an ItemsControl instead of a ListBox control. For the most part it's stable.

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• how to prevent MPMoviePlayer controls from hiding

  - by huevos de oro

  I am trying to implement a custom MPMoviePlayer to play mp3 audio. I have got it working in portrait mode along with an overlay window over the native controls - thanks to other stackoverflow posts. The current issue is the song progress control shows up when the media window opens (blue bar taking up the first 40 odd pixels), but seems to disappear when the song starts leaving a white bar. It will then re-appear when touching the area, so functionally works fine. I would like to find a way to ensure the controls always stay visible but have not found an appropriate property in the reference. Ideally I would like to have my custom control to replace the default, more because I would like to change the position that the look and feel. This being said, I understand it is not possible as the current position in the song from a MPMoviePlayer cannot be accessed.

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• Any alternative to Sybase Sql Advantage?

  - by eKek0

  Sybase Sql Advantage is the default editor for the Sybase database. But it has lots of shortcomings, because it basically is what Notepad is for Windows users: Can't do multiple undo's Monochrome, text is black and background is white Can't see what character did you exactly paste from clipboard, and sometimes this lead to weirdness behaviour Don't see what line or column you are in the moment Lack of funcionality like exports to different formats, integration with source control, plugins, etc. I have to deal with this editor in my daily work, so I was wondering if there are any other tool. Do you know any replacement?

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• Android ConnectivityManager information

  - by Mike

  I am trying to get a better grip on Android's ConnectivityManager and how it really works under the hood. Using the API is simple enough but I am looking for something lower level such as when it starts and the dirty details of what its doing in the background. I can't seem to find a good resource about it. Everything is just about using the API. Does anyone understand this or have any resources that they could point me to, website, book, white paper, or otherwise? I would really appreciate it. Thanks

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• Optimize css vs Google page speed is messing with me

  - by The Disintegrator

  I'm using google page speed and it's telling me my css is inefficient... Very inefficient rules (good to fix on any page): * table.fancy thead td Tag key with 2 descendant selectors and Class overly qualified with tag * table.fancy tfoot td Tag key with 2 descendant selectors and Class overly qualified with tag The css rules are table.fancy {border: 1px solid white; padding:5px} table.fancy td {background:#656165} table.fancy thead td, table.fancy tfoot td {background:#767276} I want the header and footer in a different background color than the body of the table (a data table) On what grounds this is inefficient? How to make it more efficient? I will not add a class to the thead and tfoot for googles's sake.

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• Screen Capture Under Win7 of JOGL Applet

  - by binarybug

  Hi I'm trying to take a screen shot of an applet running inside a browser. The applet is using JOGL (OpenGL for Java) to display 3D models. (1) The screen shots always come out either black or white.The current solution uses the usual GDI calls. Screen shots of applets not running OpenGL are fine. A few examples of JOGL apps can be found here https://jogl-demos.dev.java.net/ (2) Another thing I'm trying to achieve is to get the scrollable area inside the screen shot as well. I found this code on the internet which works fine except for the 2 issues mentioned above. import win32gui as wg import win32ui as wu import win32con def copyBitMap(hWnd, fname): wg.SetForegroundWindow(hWnd) cWnd = wu.CreateWindowFromHandle(hWnd) rect = cWnd.GetClientRect() (x,y) = (rect[2] - rect[0], rect[3] - rect[1]) hsrccDc = wg.GetDC(hWnd) hdestcDc = wg.CreateCompatibleDC(hsrccDc) hdestcBm = wg.CreateCompatibleBitmap(hsrccDc, x, y) wg.SelectObject(hdestcDc, hdestcBm.handle) wg.BitBlt(hdestcDc, 0, 0, x, y, hsrccDc, rect[0], rect[1], win32con.SRCCOPY) destcDc = wu.CreateDCFromHandle(hdestcDc) bmp = wu.CreateBitmapFromHandle(hdestcBm.handle) bmp.SaveBitmapFile(destcDc, fname)

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• How can I center a Silverlight DataGridTemplateColumn header?

  - by Mike Pateras

  I want to center the header on a Silverlight DataGridTemplateColumn. The following code gets me most of the way there: DataGridTemplateColumn column = new DataGridTemplateColumn(); column.CellTemplate = Resources[templateName] as DataTemplate; column.Header = headerName; column.HeaderStyle = new Style { TargetType = typeof(DataGridColumnHeader) }; column.HeaderStyle.Setters.Add(new Setter(DataGridColumnHeader.HorizontalAlignmentProperty, HorizontalAlignment.Center)); The header is, indeed, centered, but if the column is expanded, the header doesn't stretch. It just remains it's original width, leaving white gaps on either side of it, which looks terrible. What is the proper way to center the column header, such that it still occupies the full width?

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• Delphi 2010 Datasnap - Design Query

  - by Matt

  I am investigating moving a thick client SQL based Delphi application to Multi Tier thin clients, and have been looking at using Datasnap in Delphi 2010. I have worked through the White Paper written by Bob Swart and extended this further. My main question really is that I want to make the server side efficient in terms of connections and SQL Queries due to multiple queries being run and remaining open at the same time to interrogate data, can anyone point me in a direction for guidance on how to design a real world Datasnap Server application, as the demo's don't go into enough detail. Thanks Matt

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• Uploadify Minimum Image Width And Height

  - by Richard Knop

  So I am using the Uplodify plugin to allow users to upload multiple images at once. The problem is I need to set a minimum width and height for images. Let's say 150x150px is the smallest image users can upload. How can I set this limitation in the Uploadify plugin? When user tries to upload smaller picture, I would like to display some error message as well. Here is the PHP file that is called bu the plugin to upload images: <?php define('BASE_PATH', substr(dirname(dirname(__FILE__)), 0, -22)); // set the include path set_include_path(BASE_PATH . '/../library' . PATH_SEPARATOR . BASE_PATH . '/library' . PATH_SEPARATOR . get_include_path()); // autoload classes from the library function __autoload($class) { include str_replace('_', '/', $class) . '.php'; } $configuration = new Zend_Config_Ini(BASE_PATH . '/application' . '/configs/application.ini', 'development'); $dbAdapter = Zend_Db::factory($configuration->database); Zend_Db_Table_Abstract::setDefaultAdapter($dbAdapter); function _getTable($table) { include BASE_PATH . '/application/modules/default/models/' . $table . '.php'; return new $table(); } $albums = _getTable('Albums'); $media = _getTable('Media'); if (false === empty($_FILES)) { $tempFile = $_FILES['Filedata']['tmp_name']; $extension = end(explode('.', $_FILES['Filedata']['name'])); // insert temporary row into the database $data = array(); $data['type'] = 'photo'; $data['type2'] = 'public'; $data['status'] = 'temporary'; $data['user_id'] = $_REQUEST['user_id']; $paths = $media->add($data, $extension, $dbAdapter); // save the photo move_uploaded_file($tempFile, BASE_PATH . '/public/' . $paths[0]); // create a thumbnail include BASE_PATH . '/library/My/PHPThumbnailer/ThumbLib.inc.php'; $thumb = PhpThumbFactory::create(BASE_PATH . '/public/' . $paths[0]); $thumb->adaptiveResize(85, 85); $thumb->save(BASE_PATH . '/public/' . $paths[1]); // add watermark to the bottom right corner $pathToFullImage = BASE_PATH . '/public/' . $paths[0]; $size = getimagesize($pathToFullImage); switch ($extension) { case 'gif': $im = imagecreatefromgif($pathToFullImage); break; case 'jpg': $im = imagecreatefromjpeg($pathToFullImage); break; case 'png': $im = imagecreatefrompng($pathToFullImage); break; } if (false !== $im) { $white = imagecolorallocate($im, 255, 255, 255); $font = BASE_PATH . '/public/fonts/arial.ttf'; imagefttext($im, 13, // font size 0, // angle $size[0] - 132, // x axis (top left is [0, 0]) $size[1] - 13, // y axis $white, $font, 'HunnyHive.com'); switch ($extension) { case 'gif': imagegif($im, $pathToFullImage); break; case 'jpg': imagejpeg($im, $pathToFullImage, 100); break; case 'png': imagepng($im, $pathToFullImage, 0); break; } imagedestroy($im); } echo "1"; } And here's the javascript: $(document).ready(function() { $('#photo').uploadify({ 'uploader' : '/flash-uploader/scripts/uploadify.swf', 'script' : '/flash-uploader/scripts/upload-public-photo.php', 'cancelImg' : '/flash-uploader/cancel.png', 'scriptData' : {'user_id' : 'USER_ID'}, 'queueID' : 'fileQueue', 'auto' : true, 'multi' : true, 'sizeLimit' : 2097152, 'fileExt' : '*.jpg;*.jpeg;*.gif;*.png', 'wmode' : 'transparent', 'onComplete' : function() { $.get('/my-account/temporary-public-photos', function(data) { $('#temporaryPhotos').html(data); }); } }); $('#upload_public_photo').hover(function() { var titles = '{'; $('.title').each(function() { var title = $(this).val(); if ('Title...' != title) { var id = $(this).attr('name'); id = id.substr(5); title = jQuery.trim(title); if (titles.length > 1) { titles += ','; } titles += '"' + id + '"' + ':"' + title + '"'; } }); titles += '}'; $('#titles').val(titles); }); }); Now bear in mind that I know how to check images dimensions in the PHP file. But I'm not sure how to modify the javascript so it won't upload images with very small dimensions.

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• Groupted table view cells not loading.

  - by Tejaswi Yerukalapudi

  Hi, I'm working on creating a grouped table view. The data is being loaded alright, but in the grouped view there are a lot of white empty spaces. They get populated after I scroll up and down a few times. Help? Here's my getCellForRowIndexAtPath method: static NSString *Id= @"CustomDiagChargeID"; CustomCellDiagCharges *cell = (CustomCellDiagCharges *)[tableView dequeueReusableCellWithIdentifier:Id]; if(cell == nil) { NSArray *nib = [[NSBundle mainBundle] loadNibNamed:@"CustomCellDiagCharges" owner:self options:nil]; for (id oneObject in nib) { if([oneObject isKindOfClass:[CustomCellDiagCharges class]]) cell = (CustomCellDiagCharges *) oneObject; } } NSUInteger row = [indexPath row]; DiagDetails *rowData = [preferences getDiagElementAt:indexPath.section row:row]; cell.code.text = rowData.ICD9Code; cell.desc.text = rowData.ICD9Desc; return cell; Thanks, Teja.

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• OutOfMemoryException with Image.Clone - Only on Windows 2003

  - by Jeff Rapp

  So here's my issue. I have an image that I need to shrink. The original image is a grayscale PNG, which isn't a huge issues except that when I shrink it down, the thermal label printers pickup the artifacts and print them on the label. So, what I did was change the image to black & white (Format1bppIndexed) before resizing, like this: Dim bte() As Byte = System.Convert.FromBase64String(imgStr) Dim ms As New IO.MemoryStream(bte) Dim bmp As New System.Drawing.Bitmap(ms) Dim monoImage As Drawing.Bitmap = New Drawing.Bitmap(1200, 1800, Drawing.Imaging.PixelFormat.Format1bppIndexed) Dim rect As New Drawing.Rectangle(0, 0, 1200, 1800) monoImage = bmp.Clone(rect, Drawing.Imaging.PixelFormat.Format1bppIndexed) And then I resize it. This code works fine on my Windows 7 machine, but when I run it on the Windows 2003 Server box that it calls home, it always throws an OutOfMemoryException when it hits the bmp.Clone line. Any ideas as to what's happening, or perhaps a better solution to converting the image to B&W?

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• flushing database cache in SWI-Prolog

  - by JPro

  We are using swi-prolog to run our testcases. Whenever the test starts, I am opening the connection to MYSQL database and storing the Name of the Test hat is being done and then closing the DB. These tests run for about 2 days continuously. After the tests are done, the results basically gets stored in folder in the server. There is a predicate in another prolog file that is called to update the results to the MYSQL database. The code is simple, I use odbc library and just call odbc_* predicates to connect and update the mysql by issuing direct queries. The actual problem is : If I try to call the Predicate from the same Prolog window, where the test just got completed, I get an error as updating to the DB server. Although I do not get any error in the connection. If I close the session of that prolog with halt and closing all the open prolog windows , then open an other complete new instance of Prolog and run the predicate the update goes well. I have a feeling that there is some connection reference to the MySQL DB in Prolog database. Is there any way to clear the database in prolog so that I can run the same predicate without closing any existing prolog windows? Any ideas appreciated. Thanks.

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• Programmatically creating a toolbar in WPF

  - by rwallace

  I'm trying to create a simple toolbar in WPF, but the toolbar shows up with no corresponding buttons on it, just a very thin blank white strip. Any idea what I'm doing wrong, or what the recommended procedure is? Relevant code fragments so far: var tb = new ToolBar(); var b = new Button(); b.Command = comback; Image myImage = new Image(); myImage.Source = new BitmapImage(new Uri("back.png", UriKind.Relative)); b.Content = myImage; tb.Items.Add(b); var p = new DockPanel(); //DockPanel.SetDock(mainmenu, Dock.Top); DockPanel.SetDock(tb, Dock.Top); DockPanel.SetDock(sb, Dock.Bottom); //p.Children.Add(mainmenu); p.Children.Add(tb); p.Children.Add(sb); Content = p;

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