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• wpf cancel backgroundworker on application exits

  - by toni

  Hi! In my application I have a main windows and into it, in a frame I load a page. This page do a long time task when the user press a button. My problem is that when long task is being doing and the user presses the close button of the main window, the application seems to not finish because I am debugging it in VS2008 and I can see the stop button highlighted. If I want to finish I have to press stop button, the application doesn't stop the debugging automatically on application exit. I thought .NET stops automatically backgroundworkers on application exits but I am not sure after seeing this behaviour. I have tried to force and cancel background worker in unloaded event page with something like this: private void Page_Unloaded(object sender, RoutedEventArgs e) { // Is the Background Worker do some work? if (My_BgWorker != null && My_BgWorker.IsBusy) { //If it supports cancellation, Cancel It if (My_BgWorker.WorkerSupportsCancellation) { // Tell the Background Worker to stop working. My_BgWorker.CancelAsync(); } } } but with no success. After doing CancelAsync(), a few minutes after, I can see the backgroundworker finishes and raise RunWorkerCompleted and I can see the task is completed checking e.Cancelled argument in the event but after this event is exectued the application continues without exiting and I have no idea what is doing.... I set WorkerSupportsCancellation to true to support cancel at the begining. I would apreciate all answers. Thanks.

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• A "never seen before" javascript error (Access to property denied" code: "1010)

  - by davykiash

  I was testing my jqgrid and when I was attempting to add details through jqgrid's modal window I can accross the following error in my firebug console.(Am using mozilla) Access to property denied" code: "1010 checkValues("2010-04-20", 5, table#list.ui-jqgrid-btable)grid.common.js (line 441) postIt()grid.formedit.js (line 794) anonymous(Object originalEvent=Event click type=click)grid.formedit.js (line 463) anonymous(Object originalEvent=Event click type=click)jquery-1....2.min.js (line 19) anonymous()jquery-1....2.min.js (line 19) Where do I start in solving this issue?

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• ASP.NET UserControl OnError

  - by michl86

  UserControls in ASP.NET (4.0) inherit from System.Web.UI.UserControl. VisualStudio intellisense suggest OnError as valid override of TemplateControl. At runtime .NET ignores this error handling. Only the OnError at Page-Level gets invoked. Did i miss anything or is there a design issue? public partial class Sample : System.Web.UI.UserControl { protected override void OnError(EventArgs e) { // Never reach ;o) base.OnError(e); } }

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• iPhone: Override UIButton buttonWithType to return subclass

  - by Amagrammer

  I want to be able to create a UIButton with an oversized responsive area. I know that one way to do that is to override the hitTest method in a subclass, but how do I instantiate my custom button object in the first place? [OversizedButton buttonWithType: UIButtonTypeDetailDisclosure]; doesn't work out of the box because buttonWithType returns a UIButton, not an OversizedButton. So it seems like I need to override the buttonWithType method as well. Does anyone know how to do this? @implementation OversizedButton + (id)buttonWithType:(UIButtonType)buttonType { // Construct and return an OversizedButton rather than a UIButton // Needs to handle special types such as UIButtonTypeDetailDisclosure // I NEED TO KNOW HOW TO DO THIS PART } - (UIView *)hitTest:(CGPoint)point withEvent:(UIEvent *)event { // Return results if touch event was in oversized region // I ALREADY KNOW HOW TO DO THIS PART } @end Alternatively, maybe I could create the button using alloc/initWithFrame. But the buttonType property is readonly, so how do you create the custom button types? Note: I know there are other ways to do this, such as having an invisible button behind the visible one. I don't care for that approach and would prefer to avoid it. Any help on the approach described above would be very helpful. Thanks

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• Can't get SplitLayoutPanel working - GWT + UIBinder are driving me crazy

  - by Matt H

  ... <g:VerticalPanel styleName="{style.mainVerticalPanel}"> <g:SplitLayoutPanel> <g:north size="700"> <g:VerticalPanel> <g:ScrollPanel styleName="{style.conversationPanelContainer}"> <g:FlexTable ui:field="conversationPanel" styleName="{style.conversationPanel}"></g:FlexTable> </g:ScrollPanel> <g:HorizontalPanel styleName="{style.messageTextAndSendPanel}"> <g:TextBox ui:field="messageText" styleName="{style.messageText}"></g:TextBox><g:Button ui:field="sendButton">Send</g:Button> </g:HorizontalPanel> </g:VerticalPanel> </g:north> <g:south size="300"> <g:button>TestButton</g:button> </g:south> </g:SplitLayoutPanel> </g:VerticalPanel> ... Anything look wrong with this? All I'm trying to do is make a simple split panel but whenever I run this all I get is a blank page. Without any of the SplitPanel stuff, it works fine. The same happens with DockLayoutPanel.

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• AlertDialog in if-stetement doesn't show()

  - by Steffen Kern

  I have the following code: public void button_login(View view) { // Instantiate an AlertDialog.Builder with its constructor AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setPositiveButton(R.string.ok, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { /* User clicked OK button */ } }); // Preserve EditText values. EditText ET_username = (EditText) findViewById(R.id.username); EditText ET_password = (EditText) findViewById(R.id.password); String str_username = ET_username.toString(); String str_password = ET_password.toString(); // Intercept missing username and password. if(str_username.length() == 0) { builder.setMessage(R.string.hint_username_empty); AlertDialog dialog = builder.create(); dialog.show(); } } I have an activity that includes the two EditText-Views and a button. When I click the button the shown method will be called. My problem: The AlertDialog doesnt show up! When I put the create and show at beginning like this: // Instantiate an AlertDialog.Builder with its constructor AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setPositiveButton(R.string.ok, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { /* User clicked OK button */ } }); builder.setMessage(R.string.hint_username_empty); AlertDialog dialog = builder.create(); dialog.show(); // Preserve EditText values. EditText ET_username = (EditText) findViewById(R.id.username); EditText ET_password = (EditText) findViewById(R.id.password); String str_username = ET_username.toString(); String str_password = ET_password.toString(); // Intercept missing username and password. if(str_username.length() == 0) { } } Then the Dialog shows up. Any ideas why the dialog doesnt show up in the first place? Greetz, Steffen

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• How to add a skin engine to asp.net MVC system

  - by Am

  I'm implementing a solution in ASP.NET MVC that later can be applied to couple of other fields. To do so it will require to re-brand the UI even though the underlying business logic wont need to change. I'd like to write the code in such a way that will allow other developers to only develop code that will only changes the UI. This is similar to the way that themes can be written against Wordpress Blog software. Can any one suggest how to organize my project to make such feature work?

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• How do I stop inheritance in xaml?

  - by cfouche

  Hi Let's say I have some Control that has been disabled. It contains a bunch of elements, but I want one of those child elements to remain enabled. Something like this: <ContentControl IsEnabled="False"> <Border> <Button Content="Button" IsEnabled="True"/> </Border> </ContentControl> So in this example, the Button's IsEnabled="True" setting gets overridden by its parent. Is there a way of stopping this from happening? This seems like a strange thing to be doing, but I have a situation where, when a Control is disabled and a user mouses down on it, I still want an event to be triggered. I read in WPF Unleashed that wrapping something in a Frame control, "..isolates the content from the rest of the UI [and] properties that would normally be inherited down the element tree stop when they reach the Frame", but wrapping the Button in the example above in a Frame doesn't work. Am I on the wrong track here?

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• How Can i reload data in tableview in view controller in iphone

  - by Pugal Devan

  Hi, I am new to iphone development. I have created 5 buttons in the view. On clicking the buttons it navigates to the corresponding views. On clicking the "News" button it navigates and displayed the parsing details in the table view.(This table view, I have created View controller and added table view using Interface Builder and i have set all the properties.) and i go to another button and comes back to the "News" button, every time parsing will happened.How to avoid the multiple parsing when i come back to the button. i have tried this one and my code is, - (void)viewDidAppear:(BOOL)animated { [super viewDidAppear:animated]; static int i; if(i == 0) { NSString * path = @"http://www.AAAAAAAAAAAAAAAA.com"; [self parseXMLFileAtURL:path]; i++; } [self.newsTable reloadData]; } } Now the parsing is happened only time but the datas are doesnt displayed. My problem is the tableview doesnot reload. newsTable is the instance of the Tableview. How can i achieve this. Please help me out. Thanks.

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• App_Code in Web Client Software Factory, Is it a good idea.

  - by Blithe

  Hi guys, Just want to hear some opinion on adding App_Code in Web Client Software Factory (WCSF) project. The main purpose is to put reusable UI rendering codes which can be use by various pages. For WCSF, I guess only controller can share across pages within a module which does not seems to be a good place for UI stuff. Suggestions? :)

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• Android:Multi touch doesn't work as expected?

  - by user187532

  Hi folks, Help me in resolving the below issue. I have three image buttons on screen. All these three buttons controlled under ontouchlistner as below. buttonOne.setOnTouchListener(this); buttonTwo.setOnTouchListener(this); buttonThree.setOnTouchListener(this); I override "public boolean onTouch(View v, MotionEvent event)". Under this i check for these three image buttons touch events like below. ImageButton imageBtn = (ImageButton) v; if ( imageBtn == buttonOne ) // first button touch ..Log.. else if ( imageBtn == buttonTwo ) ..Log.. else if ( imageBtn == buttonThree ) // first button touch ..Log.. My problem is, as it is under multi touch event handler like above, it does not detect when touch all three button at a time to try to produce multi touch effect, instead it detects only one imagebutton touch at a time even though i touch all three image buttons. As i am developing this project on Android 1.6 SDK, is there any problem accessing my requirement(multi touch) (or) it is a known issue? I am hoping that, when it works for single button touch, why shouldn't it work when clicking three imagebuttons at a time to produce three logs printed as per my above code? How do i resolve it for my case? Please don't question me why i am still developing on 1.6 for such a requirement. Thank you. Appreciate your suggestions !

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• dynamic layout change during runtime

  - by Nils

  Hello, for an application I need to place some objects at the exact position that I want to have them and therefore I need to use AbsoluteLayout this time. I want to add buttons dynamically exactly like in the following XML - but during runtime. <AbsoluteLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent"> <Button android:id="@+id/backbutton" android:text="TEST123" android:layout_x="120px" android:layout_y="120px" android:layout_width="100px" android:layout_height="100px" /> </AbsoluteLayout> How can I archive this? I tried it with the following code to add a button, but I haven't found a function so far to set layout_x and layout_y. How can I do this? Thanks. AbsoluteLayout al = new AbsoluteLayout(this); Button t = new Button(this); t.setHeight(300); t.setWidth(300); t.setText("TEST123"); // x y ??? setContentView(al);

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• Print raw data to a thermal-printer using .NET

  - by blauesocke

  I'm trying to print out raw ascii data to a thermal printer. I do this by using this code example: http://support.microsoft.com/kb/322091 but my printer prints always only one character and this not until I press the form feed button. If I print something with notepad the printer will do a form feed automatically but without printing any text. The printer is connected via usb over a lpt2usb adapter and Windows 7 uses the "Generic - Generic / Text Only" driver. Anyone knows what is going wrong? How is it possible to print some words and do some form feeds? Are there some control characters I have to send? And if yes: How do I send them? Edit 14.04.2010 21:51 My code (C#) looks like this: PrinterSettings s = new PrinterSettings(); s.PrinterName = "Generic / Text Only"; RawPrinterHelper.SendStringToPrinter(s.PrinterName, "Test"); This code will return a "T" after I pressed the form feed button (This litte black button here: swissmania.ch/images/935-151.jpg - sorry, not enough reputation for two hyperlinks) Edit 15.04.2010 16:56 I'm using now the code form here: c-sharpcorner.com/UploadFile/johnodonell/PrintingDirectlytothePrinter11222005001207AM/PrintingDirectlytothePrinter.aspx I modified it a bit that I can use the following code: byte[] toSend; // 10 = line feed // 13 carriage return/form feed toSend = new byte[1] { 13 }; PrintDirect.WritePrinter(lhPrinter, toSend, toSend.Length, ref pcWritten); Running this code has the same effekt like pressing the form feed button, it works fine! But code like this still does not work: byte[] toSend; // 10 = line feed // 13 carriage return/form feed toSend = new byte[2] { 66, 67 }; PrintDirect.WritePrinter(lhPrinter, toSend, toSend.Length, ref pcWritten); This will print out just a "B" but I expect "BC" and after running any code I have to reconnect the USB cable to make it work agian. Any ideas?

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• Django models query

  - by Hulk

  Code: class criteria(models.Model): details = models.CharField(max_length = 512) Headerid = models.ForeignKey(Header) def __unicode__(self): return self.id() the details corresponds to a textarea in the UI and a validation is done for 512 characters but when this is saved. /home/project/django/django/core/handlers/base.py in get_response, line 109 Is this any thing related with schema or number of characters entered from UI

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• Problem with Flash...help

  - by aarontb

  Hey Guys...need help. Working on a project and get this error on the Output Log TypeError: Error #1009: Cannot access a property or method of a null object reference. at FlashSite_fla::MainTimeline/frame16() Here's every frame that is on, begins, or crosses frame 16 Layer Name: Top Menu (4 Button named Home_btn, Works_btn, Tech_btn, Contact_btn) Code attached to frame: stop(); Home_btn.addEventListener(MouseEvent.CLICK, home); function home(event:MouseEvent):void { gotoAndStop(16); } Works_btn.addEventListener(MouseEvent.CLICK, works); function works(event:MouseEvent):void { gotoAndStop(17); } Tech_btn.addEventListener(MouseEvent.CLICK, tech); function tech(event:MouseEvent):void { gotoAndStop(18); } Contacts_btn.addEventListener(MouseEvent.CLICK, contact); function contact(event:MouseEvent):void { gotoAndStop(19); } Layer Name: Investment Opp (button named Invest_btn) Code attached to frame: Invest_btn.addEventListener(MouseEvent.CLICK, invest); function invest(event:MouseEvent):void { var link:URLRequest = new URLRequest('#'); navigateToURL(link); } Layer Name: MfgOpp (Button named Mfg_btn) Code attached to frame: Mfg_btn.addEventListener(MouseEvent.CLICK, mfg); function mfg(event:MouseEvent):void { var link:URLRequest = new URLRequest('#'); navigateToURL(link); } Layer Name: MarketResearch (button name Own_btn) Code attached to frame: Own_btn.addEventListener(MouseEvent.CLICK, own); function own(event:MouseEvent):void { var link:URLRequest = new URLRequest('#'); navigateToURL(link); } Layer Name: ActionScript Code attached to frame: import flash.events.MouseEvent; What am I doing wrong?!?!

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• Creating a mouse drag done observable with Reactive Extensions

  - by juharr

  I have the following var leftMouseDown = Observable.FromEvent<MouseButtonEventArgs>(displayCanvas, "MouseLeftButtonDown"); var leftMouseUp = Observable.FromEvent<MouseButtonEventArgs>(displayCanvas, "MouseLeftButtonUp"); var mouseMove = Observable.FromEvent<MouseEventArgs>(displayCanvas, "MouseMove"); var leftMouseDragging = from down in leftMouseDown let startPoint = down.EventArgs.GetPosition(displayCanvas) from move in mouseMove.TakeUntil(leftMouseUp) let endPoint = move.EventArgs.GetPosition(displayCanvas) select new { Start = startPoint, End = endPoint }; which when I subscribe to it will give me the start point of the drag and the current end point. Now I need to do something once the drag is done. I was unsuccessful in attempting to do this completely with RX and ended up doing leftMouseDragging.Subscribe(value=> { dragging = true; //Some other code }); leftMouseUp.Subscribe(e=> { if(dragging) { MessageBox.Show("Just finished dragging"); dragging = false; } }); This works fine until I do a right mouse button drag. Then when I click the left mouse button I get the message box. If I only do a left button drag I get the message box, and then clicking the left mouse button doesn't produce the box. I'd like to do this without the external state, but if nothing else I'd at least like for it to work properly. FYI: I tried making dragging volatile and using a lock, but that didn't work. EDIT It turns out my problem was with a right click context menu. Once I got rid of that my above code worked. So, now my problem is how to I get to have the context menu and still have my code work. I assume the Context menu was handling the left mouse click and that somehow caused my code to not work, but I'm still puzzling it out.

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• iphone SDK Keyboard problem

  - by Elishiah

  I have a login view controller that has a button and a UI text view that becomes the first responder. When the button is clicked it loads the forgot view controller and a new UI textview becomes the first responder. When I dissmis the modal view controller the keyboard also gets dismissed and when I load the forgot view controller again the keyboard will not pop up as the first responder. (IBAction) backBeg: (id) sender{ [self dismissModalViewControllerAnimated:YES]; }

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• how to access generated groupname for asp radiobutton

  - by rap-uvic

  Hi, I need to access radiobutton groupname in my jquery. However, groupname that's rendered for an asp radiobutton is kind of different. Example: <asp:RadioButton runat="server" GroupName="payment" ID="creditcard" Checked="true" value="creditcard" /> will generate: <input type="radio" checked="checked" value="creditcard" name="ctl00$ContentPlaceHolder1$payment" id="ctl00_ContentPlaceHolder1_creditcard"> I can't work with <%=creditcard.GroupName% in jquery. Is there a way I can get the generated groupname or name for it?

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• Problems with ltk (common lisp)

  - by Silvanus

  I installed ltk to Steel Bank Common Lisp with asdf-install, but I can't even start using it V_V. The code below is the simplest example in the documentation, and is copied almost verbatim. asdf:operate 'asdf:load-op :ltk) (defun hello-1() (with-ltk () (let ((b (make-instance 'button :master nil :text "Press Me" :command (lambda () (format t "Hello World!~&"))))) (pack b)))) (hello-1) This is the error message I get from sbcl: ; in: LAMBDA NIL ; (PACK B) ; ; caught STYLE-WARNING: ; undefined function: PACK ; (WITH-LTK NIL ; (LET ((B (MAKE-INSTANCE 'BUTTON :MASTER NIL :TEXT "Press Me" :COMMAND #))) ; (PACK B))) ; ; caught STYLE-WARNING: ; undefined function: WITH-LTK ; ; compilation unit finished ; Undefined functions: ; PACK WITH-LTK ; caught 2 STYLE-WARNING conditions debugger invoked on a SIMPLE-ERROR in thread #: There is no class named BUTTON. Type HELP for debugger help, or (SB-EXT:QUIT) to exit from SBCL. restarts (invokable by number or by possibly-abbreviated name): 0: [ABORT] Exit debugger, returning to top level. (SB-PCL::FIND-CLASS-FROM-CELL BUTTON NIL T)

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• What is the right way to scale a Flex application up to fullscreen?

  - by Impirator

  Fullscreen mode and I have been battling for a while in this Flex application, and I'm coming up short on Google results to end my woes. I have no problem going into fullscreen mode by doing a Application.application.stage.displayState = StageDisplayState.FULL_SCREEN;, but the rest of the content just sits there in the top, left corner at it's original size. All right, says I, I'll just do a stage.scaleMode = StageScaleMode.SHOW_ALL and make it figure out how to pull this off. And it looks like it does. Except that when you mouse over the individual checkboxes and buttons and various components, they all fidget slightly. Just a slight jump up or down as they resize...on mouse over. Well, this is frustrating, but bearable. I can always just invoke invalidateSize() explicitly for all of them. But for the comboboxes. The ones at the bottom have their menus go off the bottom of the screen, and when I pop out of fullscreen mode, their drop downs cut off half way. I have no idea how to fix that. Can someone step in here, and put me out of my misery? What is the right way to scale a Flex application up to fullscreen? var button:Button = button_fullscreen; try { if(stage.displayState == StageDisplayState.FULL_SCREEN) { Application.application.stage.displayState = StageDisplayState.NORMAL; button.label = "View Fullscreen Mode"; stage.scaleMode = StageScaleMode.NO_SCALE; } else { Application.application.stage.displayState = StageDisplayState.FULL_SCREEN; button.label = "Exit Fullscreen Mode"; stage.scaleMode = StageScaleMode.SHOW_ALL; } invalidateSizes(); // Calls invalidateSize() explicitly on several components. } catch(error:SecurityError) { Alert.show("The security settings of your computer prevent this from being displayed in fullscreen.","Error: "+error.name+" #"+error.errorID); } catch(error:Error) { Alert.show(error.message,error.name+" #"+error.errorID); }

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• sql: Group by x,y,z; return grouped by x,y with lowest f(z)

  - by Sai Emrys

  This is for http://cssfingerprint.com I collect timing stats about how fast the different methods I use perform on different browsers, etc., so that I can optimize the scraping speed. Separately, I have a report about what each method returns for a handful of URLs with known-correct values, so that I can tell which methods are bogus on which browsers. (Each is different, alas.) The related tables look like this: CREATE TABLE `browser_tests` ( `id` int(11) NOT NULL AUTO_INCREMENT, `bogus` tinyint(1) DEFAULT NULL, `result` tinyint(1) DEFAULT NULL, `method` varchar(255) DEFAULT NULL, `url` varchar(255) DEFAULT NULL, `os` varchar(255) DEFAULT NULL, `browser` varchar(255) DEFAULT NULL, `version` varchar(255) DEFAULT NULL, `created_at` datetime DEFAULT NULL, `updated_at` datetime DEFAULT NULL, `user_agent` varchar(255) DEFAULT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB AUTO_INCREMENT=33784 DEFAULT CHARSET=latin1 CREATE TABLE `method_timings` ( `id` int(11) NOT NULL AUTO_INCREMENT, `method` varchar(255) DEFAULT NULL, `batch_size` int(11) DEFAULT NULL, `timing` int(11) DEFAULT NULL, `os` varchar(255) DEFAULT NULL, `browser` varchar(255) DEFAULT NULL, `version` varchar(255) DEFAULT NULL, `user_agent` varchar(255) DEFAULT NULL, `created_at` datetime DEFAULT NULL, `updated_at` datetime DEFAULT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB AUTO_INCREMENT=28849 DEFAULT CHARSET=latin1 (user_agent is broken down pre-insert into browser, version, and os from a small list of recognized values using regex; I keep the original user-agent string just in case.) I have a query like this that tells me the average timing for every non-bogus browser / version / method tuple: select c, avg(bogus) as bog, timing, method, browser, version from browser_tests as b inner join ( select count(*) as c, round(avg(timing)) as timing, method, browser, version from method_timings group by browser, version, method having c > 10 order by browser, version, timing ) as t using (browser, version, method) group by browser, version, method having bog < 1 order by browser, version, timing; Which returns something like: c bog tim method browser version 88 0.8333 184 reuse_insert Chrome 4.0.249.89 18 0.0000 238 mass_insert_width Chrome 4.0.249.89 70 0.0400 246 mass_insert Chrome 4.0.249.89 70 0.0400 327 mass_noinsert Chrome 4.0.249.89 88 0.0556 367 reuse_reinsert Chrome 4.0.249.89 88 0.0556 383 jquery Chrome 4.0.249.89 88 0.0556 863 full_reinsert Chrome 4.0.249.89 187 0.0000 105 jquery Chrome 5.0.307.11 187 0.8806 109 reuse_insert Chrome 5.0.307.11 123 0.0000 110 mass_insert_width Chrome 5.0.307.11 176 0.0000 231 mass_noinsert Chrome 5.0.307.11 176 0.0000 237 mass_insert Chrome 5.0.307.11 187 0.0000 314 reuse_reinsert Chrome 5.0.307.11 187 0.0000 372 full_reinsert Chrome 5.0.307.11 12 0.7500 82 reuse_insert Chrome 5.0.335.0 12 0.2500 102 jquery Chrome 5.0.335.0 [...] I want to modify this query to return only the browser/version/method with the lowest timing - i.e. something like: 88 0.8333 184 reuse_insert Chrome 4.0.249.89 187 0.0000 105 jquery Chrome 5.0.307.11 12 0.7500 82 reuse_insert Chrome 5.0.335.0 [...] How can I do this, while still returning the method that goes with that lowest timing? I could filter it app-side, but I'd rather do this in mysql since it'd work better with my caching.

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• How to let the user choose between typing price inclusive VAT or exclusive VAT in TextField?

  - by Sanoj

  I am implementing an back-office application where the user type in prices for products. Sometimes it is preferred to type the price inclusive value-added-tax, VAT and sometimes exclusive VAT. How do I best let the user choose between the inclusive or exclusive VAT in a usability perspective? I could have two TextFields above eachother one inclusive VAT and one exclusive, and reflect the input. But I don't think that reflecting the input in another TextField at realtime is good when it comes to usability, it distracts the user. I could also have two Radiobuttons above the TextField or below, or maybe besides the TextField that let the user make the choice. Or should I have a single button for turning between inclusive/exclusive VAT? like On/Off-buttons. But what text should I have on the button and how should the button be designed? I think this is good because it takes less space and it is easy to have it close to the TextField, but it's very hard to design a good button in a usability perspective. Please give me some recommendations. Maybe someone of you works with usability or have seen a similar problem.

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• Adding a Layout to bottom of the screen inside a ScrollView in Landscape mode

  - by andreea

  I have the following layout which works in Portrait mode: the Layout with the id LinearLayout02 is placed at the bottom of the screen. The problem appears when flipping to Lanscape mode, when the #LinearLayout02 is placed at the top of the screen. The question is how do I position #LinearLayout02 at the bottom of the screen in both Portrait and Landscape mode? (This happens on G1 and Xperia) Thank you The following code is placed inside a ScrollView android:layout_height="fill_parent" android:layout_width="fill_parent" android:fillViewport="true" <LinearLayout android:id="@+id/sLayout" android:layout_height="wrap_content" android:layout_width="fill_parent" android:orientation="vertical" android:paddingTop="2dip" android:layout_alignParentTop="true" android:gravity="top" > ..... </LinearLayout> <LinearLayout android:id="@+id/LinearLayout02" android:background="@drawable/bottombar_bg" android:layout_width="fill_parent" android:paddingTop="10dip" android:layout_height="56dip" android:layout_alignParentBottom="true" android:gravity="bottom" > <Button android:id="@+id/navigate" style="@style/mainBottomTabsButtonNormal" android:drawableLeft="@drawable/icon_navigation" android:text="@string/navigationSettings" android:layout_gravity="left"> </Button> <Button android:id="@+id/search" style="@style/mainBottomTabsButtonActive" android:drawableLeft="@drawable/icon_search" android:text="@string/search.label" android:layout_gravity="right"> </Button> </LinearLayout> </RelativeLayout>

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• Problem setText UITextView

  - by Mat

  Hi i have a problem. I have 2 viewcontroller, in the first there is a mapView that implements the function "calloutAccessoryControlTapped" to tap a button on an annotation on the mapView; in the second there is just a UITextView. I want to change the text of the UITextView (and show the SecondViewController) in the second controller once the button on annotation is clicked; here is my code (FirstViewController) Header @interface FirstViewController<MKMapViewDelegate>{ IBOutlet MKMapView *mapView; SecondViewController *secondV;} @end Implementation @implementation FirstViewController - (void)mapView:(MKMapView *)mapView annotationView:(MKAnnotationView *)view calloutAccessoryControlTapped:(UIControl *)control{ secondV = [[SecondViewController alloc] initWithNibName:@"SecondViewController" bundle:nil]; NSString *myS = @"some text here"; [secondV.myTextView setText:myS]; //Switch from this to the secondview [self presentModalViewController:secondV animated:YES]; @end (SecondViewController) Header @interface SecondViewController{ IBOutlet UITextView *myTextView; } @property(nonatomic, retain)UITextView *postitTextView; - (IBAction)backToMAp; - (void)setText:(NSString *)string; @end Implementation @implementation SecondViewController - (IBAction)backToMAp{ //Back To First View; [self dismissModalViewControllerAnimated:YES];} - (void)setText:(NSString *)string{ myTextView.text = string;} In this code when i tap on the button ([self presentModalViewController:secondV animated:YES];) on annotation the first time the second view show up but the text of UITextView don't change, when i back on the FirstView ([self dismissModalViewControllerAnimated:YES];) and then again tap the button to switch again to secondView the text of UITextView change..... Sorry for long thread and for my bad english!! Thank you stack!

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• Rich Tooltip for SelectItem, error when including EL in "for" attribute

  - by pakore

  How to attach a rich:tooltip to the list generated by f:selectItems when using a variable for the attribute for inside the rich:tooltip. This code works fine (the value of #{prefix} is theprefixvalue <ui:composition> <a4j:form id="#{prefix}_form"> <h:selectOneRadio style="text-align:left" id="#{prefix}_rating"> <f:selectItems value="#{test.options}"></f:selectItems> </h:selectOneRadio>&nbsp; <rich:toolTip for="theprefixvalue_form\:theprefixvalue_rating\:0">a</rich:toolTip> </a4j:form> </ui:composition> But this code does not: <ui:composition> <h:outputText value="#{prefix}" /> <a4j:form id="#{prefix}_form"> <h:selectOneRadio style="text-align:left" id="#{prefix}_rating"> <f:selectItems value="#{test.options}"></f:selectItems> </h:selectOneRadio>&nbsp; <rich:toolTip for="#{prefix}_form\:#{prefix}_rating\:0">a</rich:toolTip> </a4j:form> </ui:composition> Throws the following exception: Caused by: java.lang.IllegalArgumentException: theprefixvalue_rating at javax.faces.component.UIComponentBase.findComponent(UIComponentBase.java:612) at org.ajax4jsf.renderkit.RendererUtils.findComponentFor(RendererUtils.java:1037) at org.richfaces.renderkit.html.ToolTipRenderer.getTargetId(ToolTipRenderer.java:234) at org.richfaces.renderkit.html.ToolTipRenderer.constructJSVariable(ToolTipRenderer.java:251) ... TestBean is session scoped and this is the code for getOptions(); public List<SelectItem> getOptions(){ List<SelectItem> options = new ArrayList<SelectItem>(); options.add(new SelectItem("a","a")); options.add(new SelectItem("b","b")); options.add(new SelectItem("c","c")); return options; } Any ideas? The goal is to have a tooltip when the mouse is over the different options. Thanks in advance.

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