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• Dynamically creating GWT screens using Metadata?

  - by Francis Shanahan

  I have an AWT applet application that needs to be ported over to GWT. The applet screens are described in meta data and the applet renders each screen dynamically using reflection. We'd like the same thing in GWT/ExtGWT. I've built a working version of this ExtJS whereby the metadata is turned into ExtJS Screen configs in the form of JSON. The drawback with this approach is the "wiring" of controls to data needs to be written in Javascript. GWT is preferred since it'd be all Java code, no JS. Upon digging in it's possible to render the screens using GWT off the metadata using GWT.create(). The problem I'm having is the wiring to hook a dynamically created button for example to an event handler requires reflection which is not supported in GWT. Is this conclusion correct? and if so, are there any other ways to achieve this type of dynamic UI using ExtGWT?

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• Some animation requests in a Silverlight application

  - by Mohit Deshpande

  I am making a flash card application. It shows the question and then a textbox for user input, all wrapped in a border or rectangle. So what I want is an animation that "flips" the rectangle or border upside-down and then their is text on the "back". Also, I want my application to APPEAR transition from one card to another by "flying off" the screen then "another" card comes in to replace the other one in the opposite direction. But actually I'm want just a little animation of the border or rectangle moving off the screen then coming back in, but in the opposite direction.

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• Is there an equivalent apple-touch-startup-image for the IPAD?

  - by nobosh

  For web apps you can set the startup screen with apple-touch-startup-image What about for iPads?

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• 8 Things You Didn’t Know You Could Do In Windows 7's Task Manager

  - by Chris Hoffman

  The Windows Task Manager is often used for troubleshooting – perhaps closing an application that isn’t working properly or monitoring system resource usage. However, there’s a lot more you can do with Windows 7’s Task Manager. To quickly open the Task Manager, right-click your taskbar and select Start Task Manager. You can also press Ctrl+Shift+Esc to quickly launch the Task Manager with a keyboard shortcut. Windows 8 may have a great new task manager, but Windows 7’s is still useful. HTG Explains: Is ReadyBoost Worth Using? HTG Explains: What The Windows Event Viewer Is and How You Can Use It HTG Explains: How Windows Uses The Task Scheduler for System Tasks

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• Get More From Your Kindle: Tips, Tricks, Hacks, and Free Books

  - by Jason Fitzpatrick

  If you have an ebook reader chances are it’s a Kindle. Today we’re taking a look at ways you can get more from your Kindle using built-in tools, experimental features, and third party software. Read on to supercharge your Kindle experience. You might have bought your Kindle, used it to buy some titles from the Kindle store, and thought that’s all there was to Kindle ownership. Millions of Kindle owners are perfectly happy with that arrangement but you can squeeze much more life and enjoyment out of your Kindle by digging into the device, employing third party hacks and software bundles, and more. How To Easily Access Your Home Network From Anywhere With DDNSHow To Recover After Your Email Password Is CompromisedHow to Clean Your Filthy Keyboard in the Dishwasher (Without Ruining it)

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• Launch Activity for a certain record

  - by OceanBlue

  I have an screen that displays all the names in the Contacts in a ListView. When the user clicks on a name, I want to launch another Activity which display the details of the selected Contact (Phone number/ email) in another screen. How do I display details for the selected row. (i.e When starting the intent how do I send over the row_id of the item selected)? I've tried the following code: Intent i = new Intent(this, ContactDetails.class); startActivity(i);

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• iPad: Show view as Model View

  - by a111

  hi all, i want to show my view as a model view. In iPad there are four method to show the view as modal which is listed 1. Full Screen 2. Page Sheet 3. Form sheet 4. Current Context i use following code to display the view as model -(void)OpenContactPicker { ABPeoplePickerNavigationController *ContactPicker = [[ABPeoplePickerNavigationController alloc] init]; ContactPicker.peoplePickerDelegate = self; [self presentModalViewController:ContactPicker animated:YES]; //[self.modalViewController presentModalViewController:ContactPicker animated:YES]; [ContactPicker release]; } above code open the view in full screen mode but i want to some different. Please suggest how can i show this view as Page Sheet or Form sheet or Current Context

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• HTG Explains: What’s a Browser User Agent?

  - by Chris Hoffman

  Your browser sends its user agent to every website you connect to. We’ve written about changing your browser’s user agent before – but what exactly is a user agent, anyway? A user agent is a “string” – that is, a line of text – identifying the browser and operating system to the web server. This sounds simple, but user agents have become a mess over time. How To Customize Your Wallpaper with Google Image Searches, RSS Feeds, and More 47 Keyboard Shortcuts That Work in All Web Browsers How To Hide Passwords in an Encrypted Drive Even the FBI Can’t Get Into

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• iPhone application-Memory handling issues

  - by Vin

  Hi All, I am having some memory management issues in my app. Maybe someone may help me out here. 1) While checking for leaks in intruments, when I deploy and run the app on device, the virtual memory utilized, starts from 50 MB(even though i've just launched the app and am on the first screen). My resources contribute to 2.6 MB of it and I don't know what is contributing for the rest. What is the ideal utilization of virtual memory for an app? 2) In certain screen of the app, user is allowed to click a picture from the camera. In Instruments, I observe that virtual memory utilization jumps around 20MB, on the invocation of camera. Is it normal and can it be decreased? Looking forward to hear a reply soon. Thanks in advance

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• iPhone SDK - Implement Tap to Scroll feature on ImageScrollView

  - by NobodyNobody

  SDK: xCode 3.2 Device: iPhone 3GS OS 3.13 / iPad Case: In Apple Sample Library [ScrollViewSuite]. The [2_Autoscroll] project. In [ThumbImageView], We can drag and drop to scroll the view. So that we can see any menu item by touch the screen and do moving. How to implement this feature in [TagDetectingImageView] ? I have try to copy [touch event] function from [ThumbImageView], modify it and implement to [TagDetectingImageView]. (Just rename the [ThumbImageView] to [TagDetectingImageView] inside those function) But when i touch and move on the [TagDetectingImageView], the view will moved out of the screen (Don't know where is it) Source - Please find the 2_Autoscroll source code in: http://developer.apple.com/iPhone/library/samplecode/ScrollViewSuite/Introduction/Intro.html Thanks

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• Show underlying applications mouse cursor when hovering over visible section of my application.

  - by Dylan Vester

  I am writing a WPF application that allows the user to draw over the entire screen when the right mouse button is held down. I use a full screen transparent overlay form to achieve this, however, as I draw lines with the mouse, what's happening is that the portion of my window that contains the line is becoming visible (as expected). The undesired effect of this is that if the line is over a part of another application such as a textbox, or hyperlink, this changes the cursor back to the default cursor my my app (arrow), instead of the other applications desired cursor (IBeam). I want my overlay to be seamless to the user, and just show their drawing path, rather than have any interaction with the mouse cursor. See my example below:

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• question on GWT and dockpanel , sizing and resizing

  - by molleman

  Hello guys, question on dock panels within gwt So i want the dockpanel to take up the whole size of the browser window dockPanel.setSize("100%", "100%"); if this correct Next Question, i am going to add a north panel , that will be 100px high and take up the whole width of the browser topPanel.setSize("100%", "100px"); dockPanel.add(topPanel, DockPanel.NORTH); is this correct, then i want to add a west panel that is 200px wide and the whole length of the browser up to just under the north panel westSideStackPanel.setSize("200px","100%") mainPanel.add(westSideStackPanel,DockPanel.WEST); i have created all this but when i look at my dockpanel there is a big gap between the west panel and the north panel the whole way accross the screen. why would this be? The north panel stays at 100px, and then there is a gap of about 100px high the whole width of the screen.

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• How to compare two times in milliseconds precision?

  - by Marcos Issler

  I have a subtitle text file that works with standart srt format 00:00:00,000 Hour, minutes, seconds, milliseconds. I want to create a timer to update the subtitle screen and check the current time to know what subtitle show on screen. Which is the best to use? NSTimeInterval, NSDate? I think the best is to convert all to times to milliseconds number and compare. But NSTimeInterval works with seconds, not milliseconds. Some clue? Marcos

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• Why Ubuntu Server asks to insert a CD-ROM when installed from PXE?

  - by MainMa

  I set up a PXE server which hosts both Ubuntu Desktop and Ubuntu Server. Ubuntu Desktop is installed successfully from PXE. Ubuntu Server seems to successfully load vmlinuz and initrd.gz, asks for the language, then the location, then the keyboard layout, and finally complains that it can't mount the CD-ROM: The content of /var/lib/tftpboot/pxelinux.cfg/default is the following: default ubuntu-installer/amd64/boot-screens/vesamenu.c32 menu title Ubuntu setup label ubuntu-14.04-desktop-amd64 menu label ubuntu-14.04-desktop-amd64 kernel ubuntu-14.04-desktop-amd64/vmlinuz.efi append initrd=ubuntu-14.04-desktop-amd64/initrd.lz root=/dev/nfs boot=casper netboot=nfs nfsroot=192.168.1.41:/exports/ubuntu-14.04-desktop-amd64 splash -- label ubuntu-14.04-server-amd64 menu label ubuntu-14.04-server-amd64 kernel ubuntu-14.04-server-amd64/vmlinuz append initrd=ubuntu-14.04-server-amd64/initrd.gz root=/dev/nfs boot=install netboot=nfs nfsroot=192.168.1.41:/exports/ubuntu-14.04-server-amd64 splash -- What explains the fact that it requests the CD-ROM and how to avoid it?

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• Raspberry Pi Powered Coffee Table Serves Up Arcade Classics

  - by Jason Fitzpatrick

  If your living room is boring for want of a plethora of arcade hits, this DIY project parks a Raspberry Pi powered arcade machine in a coffee table for at-your-finger-tips retro gaming. Courtesy of tinker Graham Gelding, this build combines a 24-inch monitor, arcade buttons, a Raspberry Pi board, and a wooden coffee table to great effect. The end result is a table-top style arcade that also doubles, courtesy of a wireless keyboard and mouse, as a web browsing and email station. Hit up the link below for more information. Coffee Table Pi [via Hack A Day] HTG Explains: Why It’s Good That Your Computer’s RAM Is Full 10 Awesome Improvements For Desktop Users in Windows 8 How To Play DVDs on Windows 8

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• BlackBerry Storm - Cannot scroll vertically while in TreeField

  - by sethxian

  I am having issues performing a vertical scroll on the BlackBerry Storm while in a TreeField. The tree nodes expand just fine, even with expanded nodes while in the tree I cannot scroll to the bottom of the expanded list. Sometimes it will scroll a little but then not allow me to scroll back up. Could this be an issue with the screen not being a fixed size? The TreeField is in a VeriticalFieldManager with the VERTICAL_SCROLL and VERTICAL_SCROLLBAR styles. The screen I am using is MainScreen.

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• HTML table headers always visible at top of window when viewing a large table

  - by Craig McQueen

  I would like to be able to "tweak" an HTML table's presentation to add a single feature: when scrolling down through the page so that the table is on the screen but the header rows are off-screen, I would like the headers to remain visible at the top of the viewing area. This would be conceptually like the "freeze panes" feature in Excel. However, an HTML page might contain several tables in it and I only would want it to happen for the table that is currently in-view, only while it is in-view. Note: I've seen one solution where the table data area is made scrollable while the headers do not scroll. That's not the solution I'm looking for.

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• How to Create Custom Cover Pages in Microsoft Word 2010

  - by Zainul Franciscus

  A great cover page draws readers, and if you know Word, then you are in luck, because Word gives ready to use cover pages. But did you know that Word lets you create your own cover pages? Head over to the “Insert” ribbon and you’ll find that Microsoft Office gives some cover pages that you can use. Although, normally a cover page appears in the first page, Word lets you place the cover page anywhere in the document. How to Make and Install an Electric Outlet in a Cabinet or DeskHow To Recover After Your Email Password Is CompromisedHow to Clean Your Filthy Keyboard in the Dishwasher (Without Ruining it)

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• Why do [flush-8:16] and [jbd2/sdb2-8] occasionally use 99.99% disk IO?

  - by ændrük

  Approximately twice a week, the entire graphical interface will lock up for about 10-20 seconds without warning while I am doing simple tasks such as browsing the web or writing a paper. When this happens, GUI elements do not respond to mouse or keyboard input, and the System Monitor applet displays 100% IOWait processor usage. Today, I finally happened to have GNOME Terminal already open when the problem started. Despite other applications such as Google Chrome, Firefox, GNOME Do, and GNOME Panel being unresponsive, the terminal was usable. I ran iotop and observed that commands named [flush-8:16] and [jbd2/sdb2-8] were alternately using 99.99% IO. What are these, and how can I prevent them from causing GUI unresponsiveness? Here is dumpe2fs /dev/sdb2, if it's relevant.

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• Is there a way to hide & reveal the launcher at will with the press of a key?

  - by thanos

  I'm using Ubuntu 12.04 with the default Unity desktop environment. I'm aware of all the keyboard shortcuts that relate to the launcher as well as the possible tweaks using Ubuntu Tweak Tool, Unsettings, MyUnity. What I'd like to know is this: Is there a way to hide & reveal the launcher at will with the press of a key? Example given, press Key A, launcher hides, press Key A again and launcher is revealed until I press the A Key once more and so forth. The autohide function won't do because I want the launcher to stay visible once revealed.

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• Can I do video communication with silverlight 4.0?

  - by tom greene

  With silverlight 4.0, it is possible to show a live video of the user on the screen: Here is the code VideoBrush videoBrush = new VideoBrush(); CaptureSource captureSource = new CaptureSource { VideoCaptureDevice = CaptureDeviceConfiguration.GetAvailableVideoCaptureDevices().First() }; bool b = CaptureDeviceConfiguration.RequestDeviceAccess(); videoBrush.SetSource(captureSource); captureSource.Start(); myrect.Fill = videoBrush; However, I am looking at a way to show the video to someone else - seeing oneself on screen is not that interesting. Is it possible? Do I need my own server? Can I use clowd services to do the communication? Are there performance issues?

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• Mouse Cursor Freezes Randomly on Ubuntu 10.10

  - by Harry

  Hi, I'm using Ubuntu 10.10 its installed using Wubi, dual boot with Windows. It's fresh install. Randomly mouse cursor freezes and cant click anything on the screen. I can move mouse but cant click. "It causes when select a text something" So I'm using keyboard to to reboot system. Then it back to normal after reboot. Tried with unplugging-plugging mouse don't work. PC: Asus laptop with Intel GMA 950 graphic card. A4 tech optical mouse. Ubuntu 10.10 completely updated and upgraded. How can I get around this? Thanks.

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• Visual Programming paradigms

  - by Rego

  As the number of "visual" OS's such as Android, iOS and the promised Windows 8 are becoming more popular, it does not seem to me that we programmers have new ways to code using these new technologies, due to a possible lack in new visual programming languages paradigms. I've seen several discussions about incompatibilities between the current coding development environment, and the new OS approaches from Windows 8, Android and other tablets OS's. I mean, today if we have a new tablet, it's almost a requirement for coding, to have, for instance, an external keyboard (due it seems to me it's very difficult to program using the touch screen), exactly because the coding assistance is not conceived to "write" thousands of lines of code. So, how advanced should be the "new" visual programming languages paradigms? Which characteristics these new paradigms would be required?

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• Which Android phone to use for development...?

  - by Nikos

  Hi, I'm planning to port a couple of games from iPhone/Windows Mobile to the Android platform. The games are written in C++ so I plan to use the NDK with a thin java wrapper. I'm new to the Android platform and need some advice on which phone to buy for development. I suspect like Windows Mobile there is a level of fragmentation with different phones supporting different features (keyboard/ rotation/ screen size/ capacitive touch screen/ etc). What are the best device(s) for development on the Android platform...? They also have to be available in the UK/Europe. Thank you in advance. Nikos.

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• Problem with the scrollbar of a UIWebView

  - by Paulo Ferreira

  Hi there! Im using a UIWebView to access a website, when i rotate the phone (landscape) the UIWebView is properly resized and the scrollbar are on the right place (on the right edge...) but when i acess any of input fields to fill the information required and exit it the UIWebView scrollbar jumps to the middle of screen (looks like it get back to 320, the width of the screen on portrait). Some useful info, this program was created using IB, have lots of outlets, im thinking about in do (redo) everything programmatically cause i was not the author of the first version... If anyone have seen this before plz let me know.. Thanks in advance!

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