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• Silverlight DRY when animating multiple UserControls on main Navigation page.

  - by Tobias op den Brouw

  Hello all. Starting with Silverlight development. Yet to read a good Silverlight book: suggestions welcome. I have a main GUI screen where 7 user controls (menu items) 'swoop' into sight, all along their own path. I have the user controls nicely seperated and behaving well. Having multiple storyboards (1 each for each menuitem) with multiple keyframe animations (X,Y,height, width) in one .XAML is not sitting well with me. Repeating all those property values is hideous, neverthemind maintenance. I've tried to move values into the app.xaml and set animation durations with style keys, but having limited success. Can anyone suggest a nice way of making this cleaner? Refactor the storyboards out to their own control? Property values in resources? Dynamic building in codebehind? Referring me to a how-to site is fine as well. Tx!

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• UILabel: Using the userInteractionEnabled method on a label

  - by Kevin Bomberry

  Hello again. I am wondering if anyone has used the userInteractionEnabled method on a UILabel to allow the label to act like a button (or just to fire off a method). Any help would be greatly appreciated. Cheers! Update (4/30/09 @1:07pm) Clarification: I have a standard InfoButton and next to it I want to place a label with the text "settings" and I would like the label to function like the button (which flips over to a settings screen. So, basically I need to tie the already defined showSettinsView to the "infoLabel" label; a user clicks on the infoButton or infoLabel and the method fires off. The infoButton is already working and is using an IBAction to trigger the method. I would like to know how to wire up the label to implement the same method. That is all. Cheers!

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• iphone: custom UITableViewCell taller than the default cell view.

  - by Luc

  Hello, I'm creating an application that consists of a ListView with 5 rows: - 1st one containing a graph - 2nd to 5th rows containing some data with the same formatting. I have created 2 classes: GraphCustomViewCell and DataCustomViewCell. Depending upon the position of the cell I load the correct CustomCell with: NSArray *topLevelObjects = [[NSBundle mainBundle] loadNibNamed:@"GraphCustomViewCell" owner:nil options:nil]; for(id currentObject in topLevelObjects) { if([currentObject isKindOfClass:[GraphCustomViewCell class]]) { cell = (GraphCustomViewCell *)currentObject; break; } } That works fine except that the first row, the one corresponding to the graph, is bigger (in height) that the 4 other rows, and as a results it hides the 3 first other rows. Is there any option in the table view that enables the custom cell to expand the default cells ? I'd like that the 5 rows (graph + 4 data rows) to fit the entire screen (480 - tabbar's height). Thanks a lot for your help. Regards, Luc

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• SingleTap on UIScrollView

  - by ludo

  Hi, I see many post dealing with the UIScrollView like in the PhotoApp, but I don't really understand them, thats why I want to reopen a post about it and have a simple solution. What I want is to create (without IB) a simple UIViewController who will contain a UIScrollView (inside my scrollView there will be image and the scrollView will be set to pagingEnable to YES of course). I want to be able with a simple touch of the screen to display the navigationController.navigationBar inside my UIViewController and with another touch not displaying it of course. Can anyone show me how to implement that? thanks,

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• Update image in ASP.NET page from memory without refreshing the page.

  - by ZeeMan

  I have a command line C# server and an ASP.NET client, they both communicate via .NET Remoting. The server is sending the client still images grabbed from a webcam at say 2 frames a second. I can pass the images down to the client via a remote method call and the image ends up in this client method: public void Update(System.Drawing.Image currentFrame) { // I need to display the currentFrame on my page. } How do i display the image on the a page without saving the image to the hard disc? If it was a winForms app i could pass currentFrame to a picturebox ie. picturebox.Image = currentFrame. The above Update method gets fired at least 2 times a second. If the client was a winForms app i could simply put picturebox.Image = currentFrame and the current frame on the screen would automatically get updated. How do i achieve the same effect with ASP.NET? Will the whole page need to be reloaded etc?

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• How to get the size of a NSString

  - by camilo

  Hi. A "quicky": how can I get the size (width) of a NSString? I'm trying to see if the string width of a string to see if it is bigger than a given width of screen, case in which I have to "crop" it and append it with "...", getting the usual behavior of a UILabel. string.length won't do the trick since AAAAAAAA and iiiiii have the same length but different sizes (for example). I'm kind of stuck. Thanks a lot.

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• Uploading a picture to a album using the graph api

  - by kielie

  Hi guys, I am trying to upload an image to a album, but it's not working, here is the code I am using, $uid = $facebook->getUser(); $args = array('message' => $uid); $file_path = "http://www.site.com/path/to/file.jpg"; $album_id = '1234'; $args['name'] = '@' . realpath($file_path); $data = $facebook->api('/'. $album_id . '/photos', 'post', $args); print_r($data); This code is in a function.php file that gets called when a user clicks on a button inside of a flash file that is embedded on my canvas, so basically what I want it to do is, when the flash takes a screen shot and passes the variable "image" to the function, it should upload $_GET['image'] to the album. How could I go about doing this? Thanx in advance!

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• What would make offsetParent null?

  - by Brian Ramsay

  I am trying to do positioning in JavaScript. I am using a cumulative position function based on the classic quirksmode function that sums offsetTop and offsetLeft for each offsetParent until the top node. However, I am running into an issue where the element I'm interested in has no offsetParent in Firefox. In IE offsetParent exists, but offsetTop and offsetLeft all sum up to 0, so it has the same problem in effect as in Firefox. What would cause an element that is clearly visible and usable on the screen to not have an offsetParent? Or, more practically, how can I find the position of this element in order to place a drop-down beneath it?

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• How do I get a Mac ".command" file to automatically quit after running a shell script?

  - by LOlliffe

  In my shell script, my last lines are: ... echo "$l" done done exit I have Terminal preference set to "When the shell exits: Close the window". In all other cases, when I type "exit" or "logout", in Terminal, the window closes, but for this ".command" file (I can double-click on my shell script file, and the script runs), instead of closing the window, while the file's code says "exit", what shows on the screen is: ... $l done logout [Process completed] ...and the window remains open. Does anyone know how to get a shell script to run, and then just automatically quit the Terminal window on completion? Thanks!

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• Show javascript execution progress

  - by Midhat

  I have some javascript functions that take about 1 to 3 seconds. (some loops or mooML templating code.) During this time, the browser is just frozen. I tried showing a "loading" animation (gif image) before starting the operation and hiding it afterwords. but it just doesnt work. The browser freezes before it could render the image and hides it immediately when the function ends. Is there anything I can do to tell the browser to update the screen before going into javascript execution., Something like Application.DoEvents or background worker threads. So any comments/suggestions about how to show javascript execution progress. My primary target browser is IE6, but should also work on all latest browsers

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• Why aren't Admob click callback delegate methods getting called?

  - by executor21

  I'm integrating the latest version of the admob sdk (version 20100412) into my app. The ads get displayed, but I need the app to make some changes when an ad is clicked and admob displays a full-screen browser. However, none of the callback methods (willPresentFullScreenModal, didPresentFullScreenModal, willDismissFullScreenModal, and didDismissFullScreenModal) are called, even though other delegate methods are. Why aren't these callbacks being made? They were in the previous versions of the SDK, and the sample app doesn't use them, so it's no help. EDIT: removed the double negative from the question title

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• QScrollBar Snap to value

  - by j3frea

  Hi all, I'm wanting to implement a scroll bar that snaps to particular values (like windows can snap to the edge of a screen). The idea is that as I drag the scrollbar down it snaps the bar to values as it approaches them. My scenario is displaying 3 chapters of text. I would like to be able to snap to the beginning or end of a chapter. Of course, to go to the start of the first chapter the scrollbar one can just scroll to the top and likewise with the end of the third chapter. So I'd like to draw two lines on the scrollbar to represent the start of the second and third chapters and then have the top and bottom of the scrollbar snap to those lines. So I'm really actually wanting to use this within a QTextBrowser but I can control a QTextBrowser with a "QSnapScrollBar" I just don't really know where to start. Any help would be greatly appreciated.

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• pyplot: really slow creating heatmaps

  - by cvondrick

  I have a loop that executes the body about 200 times. In each loop iteration, it does a sophisticated calculation, and then as debugging, I wish to produce a heatmap of a NxM matrix. But, generating this heatmap is unbearably slow and significantly slow downs an already slow algorithm. My code is along the lines: import numpy import matplotlib.pyplot as plt for i in range(200): matrix = complex_calculation() plt.set_cmap("gray") plt.imshow(matrix) plt.savefig("frame{0}.png".format(i)) The matrix, from numpy, is not huge --- 300 x 600 of doubles. Even if I do not save the figure and instead update an on-screen plot, it's even slower. Surely I must be abusing pyplot. (Matlab can do this, no problem.) How do I speed this up?

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• Question about how to read the Safari/Chrome developer tool result

  - by richard

  Hi, I am using the developer tool in chrome (i think it is the same as safari). I did a timeline when I load wwww.yahoo.com. I attached the screen shot: http://yfrog.com/4jpicture2yyp You see: * Send Request (http://www.yahoo.com) * Receive Response (http://www.yahoo.com) * Receive Response (http://www.yahoo.com) * Event (unload) * Function Call * Recalculate Style * Recalculate Style * Recalculate Style * Parse What I don't understand is why 'Parse' happens AFTER Function call and Recalculate Style? Shouldn't it need to parse HTML source FIRST Before it parses CSS file (I assume which triggers the 'Recalculate Style') and Java Script file (I assume which triggers the 'Function Call')

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• Wordpress Site: Can't logout or post comment

  - by Chloé

  I need help with my site http://VelvetArt.net. I can´t logout, post a comment, and when i put index.php after site adress, is does not work too, it just displays white screen. I have this theme also on my test site http://velvetart.lnb.sk. All working here, logout, index, comments.. Maybe the problem may be with wordpress default files (index.php, wp-blog-header.php, wp-comments-post.php) but i don't know how to solve this issue. Can anyone help me with this please?

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• tabbarcontroller as a subview

  - by Boaz

  Hi I have a main view screen with navcontroller in my app with two UIbuttons. Now i want that when I press one button a subview will be pushed. this I know how to do. The problem is that I want this subview to be with tabbarcontroller. I know how to implement tabbar on the main views (within the app delegate), but I have really hard time to do this as a subview.. How should I implement this? Thanks.

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• How to draw a transparent stroke (or anyway clear part of an image) on the iPhone

  - by devguy

  I have a small app that allows the user to draw on the screen with the finger. Yes, nothing original, but it's part of something larger :) I have a UIImageView where the user draws, by creating a CGContextRef and the various CG draw functions. I primarily draw strokes/lines with the function CGContextAddLineToPoint Now the problem is this: the user can draw lines of various colors. I want to give him the ability to use a "rubber" tool to delete some part of the image drawn so far, with the finger. I initially did this by using a white color for the stroke (set with the CGContextSetRGBStrokeColor function) but it did't work out...because I discovered later that the UIImage on the UIImageView was actually with transparent background, not white...so I would end up with a transparent image with white lines on it! Is there anyway to set a "transparent" stroke color...or is there any other way to clear the content of the CGContextRef under the user's finger, when he moves it? Thanks

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• embed multiple youtube videos to chromeless player cue

  - by Quaze

  So in the project ive been working on i use the youtube API to add a video to a chromeless player (got custom buttons, everything works no problems). It loads the youtube id which it gets from the database (Codeigniter, PHP). But what i would like to see is: instead of loading 1 video, id like to add all the videos i get from the database in the cue of that one player. So only one screen, first video retrieved from dbase gets played first, when its done second get loaded preferably also looped. Is there any way i can achieve this? My first guess would be to save the array with youtube id's somewhere and on state change (when the 'video stop'-event gets fired) load the next id from the array. Havent tried this yet because id prefer if the cue gets just gets filled on the init, so it doesnt have to load after a video has been ended. Is This possible?

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• cross-user C# mutex

  - by Martin

  My app is forced to use a 3rd party module which will blue-screen Windows if two instances are started at the same time on the same machine. To work around the issue, my C# app has a mutex: static Mutex mutex = new Mutex(true, "{MyApp_b9d19f99-b83e-4755-9b11-d204dbd6d096}"); And I check if it's present - and if so I show an error message and close the app: bool IsAnotherInstanceRunning() { if (mutex.WaitOne(TimeSpan.Zero, true)) return (true); else return (false); } The problem is if two users can log in and open the application at the same time, and IsAnotherInstanceRunning() will return false. How do I get around this?

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• alt-tab sort of web design

  - by sureshgl

  I am thinking of designing a web site having multiple related services. For every action of the user in a service there will be some computation going on in each of the other services. I want to display the service in action (chosen by the user) in the middle of the page in enlarged mode and rest of the services as small sized (shrunk) versions around the enlarged mode. The services which are shown in the shrunk version, should actually show what is happening in that service, at run time as if that was the chosen service. A close match to this sort of behavior I know is in Reliance BigTV, where all the small images of all the channels will be going on, and we can choose the one that we want to watch. After choosing that one image will become big and occupy the screen. Please, let me know if I can do some thing like this using css, html, ajax & php.

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• CodePlex Daily Summary for Saturday, September 15, 2012

  CodePlex Daily Summary for Saturday, September 15, 2012Popular ReleasesMCEBuddy 2.x: MCEBuddy 2.2.15: Changelog for 2.2.15 (32bit and 64bit) 1. Added support for %originalfilepath% to get the source file full path. Used for custom commands only. 2. Added support for better parsing of Media Portal XML files to extract ShowName and Episode Name and download additional details from TVDB (like Season No, Episode No etc). 3. Added support for TVDB seriesID in metadata 4. Added support for eMail non blocking UI testCrashReporter.NET : Exception reporting library for C# and VB.NET: CrashReporter.NET 1.2: *Added html mail format which shows hierarchical exception report for better understanding.VCC: Latest build, v2.3.00914.0: Automatic drop of latest buildScarlet Road: Scarlet Road Test Build 007: Playable game. Includes source.DotNetNuke Search Engine Sitemaps Provider: Version 02.00.00: New release of the Search Engine Sitemap Providers New version - not backwards compatible with 1.x versions New sandboxing to prevent exceptions in module providers interfering with main provider Now installable using the Host->Extensions page New sitemaps available for Active Forums and Ventrian Property Agent Now derived from DotNetNuke Provider base for better framework integration DotNetNuke minimum compatibility raised to DNN 5.2, .NET to 3.5PDF Viewer Web part: PDF Viewer Web Part: PDF Viewer Web PartChris on SharePoint Solutions: View Grid Banding - v1.0: Initial release of the View Creation and Management Page Column Selector Banding solution.$linq - A Javascript LINQ library: Version 1.0: Version 1.0 Initial releasePowerConverter: PowerConverter Beta: This is the first release of PowerConverter. Allows for converting PE code to Power code.NetView Control for Microsoft Access: DevVersion 19852 - More Databinding and Resizing: NetView Renamed event GotFocus to Clicked Added events Clicked/DoubleClicked Added event BackgroundDoubleClicked Changed nomenclature for world coordinates to (Position1, Position2)|Extent1xExtent2 Renamed Locked -> Readonly Added properties Minimum1/Maximum1 and Minimum2/Maximum2 Removed NetView.DeviceDefinitionArea, obsolete properties Support for resizing Added properties BackColor and BorderColor NetView Properties form added binding field for BusinessId propagate erro...Runtime Dynamic Data Model Builder: Main Library Version 1.0.0.0: Main Library Version 1.0.0.0Microsoft Ajax Minifier: Microsoft Ajax Minifier 4.67: Fix issue #18629 - incorrectly handling null characters in string literals and not throwing an error when outside string literals. update for Issue #18600 - forgot to make the ///#DEBUG= directive also set a known-global for the given debug namespace. removed the kill-switch for disregarding preprocessor define-comments (///#IF and the like) and created a separate CodeSettings.IgnorePreprocessorDefines property for those who really need to turn that off. Some people had been setting -kil...Lakana - WPF Framework: Lakana V2: Lakana V2 contains : - Lakana WPF Forms (with sample project) - Lakana WPF Navigation (with sample project)Microsoft SQL Server Product Samples: Database: OData QueryFeed workflow activity: The OData QueryFeed sample activity shows how to create a workflow activity that consumes an OData resource, and renders entity properties in a Microsoft Excel 2010 worksheet or Microsoft Word 2010 document. Using the sample QueryFeed activity, you can consume any OData resource. The sample activity uses LINQ to project OData metadata into activity designer expression items. By setting activity expressions, a fully qualified OData query string is constructed consisting of Resource, Filter, Or...Arduino for Visual Studio: Arduino 1.x for Visual Studio 2012, 2010 and 2008: Register for the visualmicro.com forum for more news and updates Version 1209.10 includes support for VS2012 and minor fixes for the Arduino debugger beta test team. Version 1208.19 is considered stable for visual studio 2010 and 2008. If you are upgrading from an older release of Visual Micro and encounter a problem then uninstall "Visual Micro for Arduino" using "Control Panel>Add and Remove Programs" and then run the install again. Key Features of 1209.10 Support for Visual Studio 2...Social Network Importer for NodeXL: SocialNetImporter(v.1.5): This new version includes: - Fixed the "resource limit" bug caused by Facebook - Bug fixes To use the new graph data provider, do the following: Unzip the Zip file into the "PlugIns" folder that can be found in the NodeXL installation folder (i.e "C:\Program Files\Social Media Research Foundation\NodeXL Excel Template\PlugIns") Open NodeXL template and you can access the new importer from the "Import" menuAcDown????? - AcDown Downloader Framework: AcDown????? v4.1: ??●AcDown??????????、??、??、???????。????，????，?????????????????????????。???????????Acfun、????(Bilibili)、??、??、YouTube、??、???、??????、SF????、????????????。 ●??????AcPlay?????，??????、????????????????。 ● AcDown??????????????????，????????????????????????????。 ● AcDown???????C#??，????.NET Framework 2.0??。?????"Acfun?????"。 ????32??64? Windows XP/Vista/7/8 ???? 32??64? ???Linux ????(1)????????Windows XP???,?????????.NET Framework 2.0???(x86)，?????"?????????"??? (2)???????????Linux???，????????Mono?? ??...Move Mouse: Move Mouse 2.5.2: FIXED - Minor fixes and improvements.MVC Controls Toolkit: Mvc Controls Toolkit 2.3: Added The new release is compatible with Mvc4 RTM. Support for handling Time Zones in dates. Specifically added helper methods to convert to UTC or local time all DateTimes contained in a model received by a controller, and helper methods to handle date only fileds. This together with a detailed documentation on how TimeZones are handled in all situations by the Asp.net Mvc framework, will contribute to mitigate the nightmare of dates and timezones. Multiple Templates, and more options to...DNN Metro7 style Skin package: Metro7 style Skin for DotNetNuke 06.02.00: Maintenance Release Changes on Metro7 06.02.00 Fixed width and height on the jQuery popup for the Editor. Navigation Provider changed to DDR menu Added menu files and scripts Changed skins to Doctype HTML Changed manifest to dnn6 manifest file Changed License to HTML view Fixed issue on Metro7/PinkTitle.ascx with double registering of the Actions Changed source folder structure and start folder, so the project works with the default DNN structure on developing Added VS 20...New ProjectsBizTalk Zombie Management: A powerful tool to handle zombie. As a service you can monitor all zombie instance and process them. For the moment only file is supporting.bxkw8: oooooooooooh long johnsonCellularSolver: The main idea of a this project - create cellular automation (CA) simulation system. We try to reduce ODE/PDE/Integral Equations models to CA-modelEAWebService: EAWebService is web service that executes parallel evolutionary algorithm. Finite Element Method Samples with C#: Finite Element Method Samples with C# Game Jolt C# Trophy API: The Game Jolt Trophy API provides dotNET developers with access to the Game Jolt services including Trophies, High Scores, Data Storage and many more.GNSystem: GNSystem is a simple (yet, no so elegant) Web-Application which contains a Forum system and a CMS\Blog system. GNSystem is written in ASP.Net MVC 4 using C#Hospital Management System (HMS): HMS is a software basically working to make the hospital management much easier and fasterInfinity - WPF.MVC: Framework for WPF/SL/WinFormsKindle: Kindle PublisherMetroCash: A personal finance management programmetroCIS: metroCIS - Eine open-source Anwendung für Windows8 Verwalte dein Studium an der FH Technikum Wien mit dieser App und erleichter dir damit dein Studentenleben.MTAC: MTAC, for My Tfs Administration Center, is a centralized administration tool for TFSMyStart: Create an Open Source implementation of the Windows Start Menu (based initially on Windows 7), to be used on Windows 8.NLite Data Framework: NLite Linq ORM frameworkPDF Viewer Web part: Here now presenting PDF Viewer web part solution with code. Project91405: dfgfdgfdrProject91407: awqwqProject91407M: 111Purchasesales(??????): a simple Sales Manage Project.QueryOver Specification: A simple implementation of the Specification Pattern using NHibernate QueryOver.Shopping Analytics: Esta aplicacion muestra como aprovechar diversas caracteristicas de la plataforma Windows Phone.simbo: Simbo is a simple, fun app for sharing small notes with friends where many of the concepts in your note can be represented by a symbols.SISLOG: El sistema de logística SISLOG es un software que cual será capaz de automatizar y optimizar los procesos que se llevan a cabo en el área de logística.SQL Server Scripts - A RSSUG CodePlex Project: The SQL Server Scripts project is dedicated to supplying high quality scripts to help with the maintenance and development of SQL Server in every environment.Talqum.League: Talqum.League is a League organisator and statistics app.The Pratoriate Foundation: used for all software dev projects for the non profit Pratoriate Foundation.

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• Recommendations for an in memory database vs thread safe data structures

  - by yx

  TLDR: What are the pros/cons of using an in-memory database vs locks and concurrent data structures? I am currently working on an application that has many (possibly remote) displays that collect live data from multiple data sources and renders them on screen in real time. One of the other developers have suggested the use of an in memory database instead of doing it the standard way our other systems behaves, which is to use concurrent hashmaps, queues, arrays, and other objects to store the graphical objects and handling them safely with locks if necessary. His argument is that the DB will lessen the need to worry about concurrency since it will handle read/write locks automatically, and also the DB will offer an easier way to structure the data into as many tables as we need instead of having create hashmaps of hashmaps of lists, etc and keeping track of it all. I do not have much DB experience myself so I am asking fellow SO users what experiences they have had and what are the pros & cons of inserting the DB into the system?

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• Super Cam iphone app how do they make it possible?

  - by Silent

  there is an iphone app called supercam and you can get it through the app store free. This app features a way to connect your webcam or dv cam that is connected on the internet, you could set up the ip address and enter the data on the app and it will connect to your online camera. the thing is that they have the video stream and it looks like they embedded the video in a uiview or webview at the bottom they have buttons to choose from all the cameras you have set up. so this is different from other video streaming apps because it does not play the video from the full screen mode (MPMediaPlayer API) would there be any tutorials about this or somehow take reverse engineer this?

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• Scaling an Image in GWT

  - by Daniel

  Changing the size of an Image Widget in GWT changes the size of the image element, but does not rescale the image on the screen. Therefore, the following will not work: Image image = new Image(myImageResource); image.setHeight(newHeight); image.setWidth(newWidth); image.setPixelSize(newWidth, newHeight); This is because GWT implements its Image widget by setting the background-image of the HTML <img... /> element as the image, using CSS. How does one get the actual image to resize?

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• Question about layout in java.

  - by extro

  I have two panels main_panel and child_panel. I have set layout for main_panel by using "main_panel.setLayout(flowlayout)" and added child_panel in main_panel by using "main_panel.add(child_panel)". This child_panel gets added to main_panel but its position is at the cross-section of horizontal midpoint and top vertical section of screen. But I want child_panel to be at the top left corner, something I could have done by using "child_panel.setlocation(a,b)" method, if I have set the Layout of main_panel as NULL. I have used flowlayout here because I want components in the JPanel to keep adjusting with the size of JFrame. So question is, can I add child_panel to main_panel at the exact location I want, even if I set the Layout of main_panel as not NULL.

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