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• Problem with handling click event of bitmap

  - by shaina

  i am using navigationClick method to handle click event of Bitmap images & Buttons it works fine when i dont use VerticalFieldManger . But when i adjust positions of field using this field manager then it doesnt capture click event of all controls just on capture Index(0) click which i think is verticalFieldmanager not other (Bitmaps & Buttons fields) Plzzzzzz help how to resolve it code is protected boolean navigationClick(int status, int time) { Field field = this.getFieldWithFocus(); if(field.getIndex()==0) { Dialog.alert("Index 0 (bitmaP) clicked"); } if(field.getIndex()==1) { Dialog.alert("Index 1(Button 1) clicked"); } if(field.getIndex()==2) { Dialog.alert("Index 2 (Button2) Clicked"); } if(field.getIndex()==3) { Dialog.alert("Index 3(bitmap2) Clicked"); } }

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• Is it possible to use RedirectToAction() inside a custom AuthorizeAttribute class?

  - by Lance McNearney

  Using ASP.Net MVC 2, is there any way to use the RedirectToAction() method of the Controller class inside a class that is based on the AuthorizeAttribute class? public class CustomAttribute : AuthorizeAttribute { protected override bool AuthorizeCore(HttpContextBase context) { // Custom authentication goes here return false; } public override void OnAuthorization(AuthorizationContext context) { base.OnAuthorization(context); // This would be my ideal result context.Result = RedirectToAction("Action", "Controller"); } } I'm looking for a way to re-direct the user to a specific controller / action when they fail the authentication instead of returning them to the login page. Is it possible to have the re-direct URL generated for that controller / action and then use RedirectResult()? I'm trying to avoid the temptation to just hard-code the URL.

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• Does declaring many identical anonymous classes waste memory in java?

  - by depsypher

  I recently ran across the following snippet in an existing codebase I'm working on and added the comment you see there. I know this particular piece of code can be rewritten to be cleaner, but I just wonder if my analysis is correct. Will java create a new class declaration and store it in perm gen space for every call of this method, or will it know to reuse an existing declaration? protected List<Object> extractParams(HibernateObjectColumn column, String stringVal) { // FIXME: could be creating a *lot* of anonymous classes which wastes perm-gen space right? return new ArrayList<Object>() { { add(""); } }; }

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• Getting back from security & location to my application

  - by sandman42

  Hi, I have an application that allows the user to enable GPS. In order to do it, first in the main activity I do: lm = (LocationManager) getSystemService(Context.LOCATION_SERVICE); if (!lm.isProviderEnabled(LocationManager.GPS_PROVIDER)){ showGpsOptions(); } showGpsOptions() is: private void showGpsOptions() { Intent gpsOptionsIntent = new Intent(android.provider.Settings.ACTION_LOCATION_SOURCE_SETTINGS); startActivityForResult(gpsOptionsIntent, BACK_FROM_GPS_ACT); } and finally I override main activity onActivityResult in this way: protected void onActivityResult(int requestCode, int resultCode, Intent data) { if (requestCode == BACK_FROM_GPS_ACT){ ; } super.onActivityResult(requestCode, resultCode, data); } Problem: the page show up and works, but when I press back I get back to home screen. Question: how can I get back to my application? Thanks a lot

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• Interface with generic parameters- can't get it to compile

  - by user997112

  I have an interface like so: public interface MyInterface<E extends Something1> { public void meth1(MyClass1<E> x); } and I have a subclass whose superclass implements the above interface: public class MyClass2<E extends Something1> extends Superclass{ public MyClass2(){ } public void meth1(MyClass1 x) { // TODO Auto-generated method stub } } superclass: public abstract class Superclass<E extends Something1> implements MyInterface{ MyClass1<E> x; protected E y; public Superclass(){ } } the problem is that the parameter for meth1() is supposed to be generic. If I do MyClass1 it doesn't like it and the only way I can get it to compile is by leaving out generic parameters- which feels wrong. What's going wrong?

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• How can find out the system default currency symbol on BlackBerry?

  - by ageektrapped

  I have a need to display a currency value in my application. There doesn't seem to be an easy way to do this with the RIM API, so I'm reduced to creating my own solution (a common refrain for BlackBerry development, unfortunately) Currently I'm using the Formatter class, from javax.microedition.locale like so protected String formatResult(double result) { try { Locale l = Locale.getDefaultForSystem(); Formatter formatter = new Formatter(l.toString()); return formatter.formatCurrency(result); } catch (UnsupportedLocaleException e) { return "This fails for the default locale because BlackBerry sucks"; } } I always hit the catch block in the simulator. Since this doesn't work by default on the simulator, I'm hesitant to put it in the application. So I have two questions: Can anyone tell me if the above solution is the way to go? And how to fix it, of course. Is there a way I can retrieve the currency symbol for the current locale programmatically so I can format myself?

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• SQL Stored Procedure fired from C# Code-Behind not working on UPDATE

  - by CSSHell

  I have a stored procedure called from a C# code-behind. The code fires but the update command does not get performed. The stored procedure, if run directly, works. I think I am having a brain fart. Please help. :) CODEBEHIND protected void btnAbout_Click(object sender, EventArgs e) { SqlConnection myConnection = new SqlConnection(strConnection); SqlCommand myCommand = new SqlCommand("spUpdateCMSAbout", myConnection); myConnection.Open(); myCommand.CommandType = CommandType.StoredProcedure; myCommand.Parameters.Add("@AboutText", SqlDbType.NVarChar, -1).Value = txtAbout.Text.ToString(); myCommand.ExecuteNonQuery(); myConnection.Close(); } STORED PROCEDURE ALTER PROCEDURE fstage.spUpdateCMSAbout ( @AboutText nvarchar(max) ) AS BEGIN SET NOCOUNT ON; UPDATE fstage.staticCMS SET About = @AboutText; END HTML <asp:Button ID="btnAbout" runat="server" Text="Save" CausesValidation="False" onclick="btnAbout_Click" UseSubmitBehavior="False" /> C# .NET 4.0

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• C++ inheritance question

  - by user233973

  Hi guys, I have a C++ inheritance related question. I have a set of classes like this (I have not given the complete class structure coz I am lazy :) ). I want to access chiComponent class public methods using com pointer. How should I go about it? Note that I am having to change the object which "com" is pointing to in a lot of places. So I do not think I can have another chiComponent *ccom = <some_cast> com; ccom.chiComponentMethod() How should I go about it? class Component{ }; class chiComponent : public Component { public: void chiComponentMethod() { cout << "Hi! Chi component function called!!"; } } class parent { protected: Component *com; }; class child : public parent{ public: child() { com = new chiComponent(); } } Regards Arun

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• page_load another handler?

  - by joe doe

  can someone please explain why this code is not working as expected: using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; public partial class temp : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { Response.Write("foo<br>"); this.Load += new EventHandler(temp_Load); } void temp_Load(object sender, EventArgs e) { Response.Write("bar<br>"); Response.End(); } } trying to add another handler for page Load event so that output would be: foo<br> bar<br>

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• Passing Services to MainViewModel - SHOULD I use a dependency injection container ?

  - by msfanboy

  Hello, I have this code: public partial class App : Application { protected override void OnStartup(StartupEventArgs e) { base.OnStartup(e); var mainVM = new MainViewModel ( new Service1(), ... new Service10(), ); var window = new MainWindow(); window.DataContext = mainVM; window.Show(); } } I pass all my Services instances to the MainViewModel. Within the MainViewModel I spread those services to other ViewModels via constructor parameter passing. Should I use any DI framework for the services in the App class? If yes whats the benefit of resolving the services instead of just creating the instance manually... ?

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• boost scoped_lock mutex crashes

  - by JahSumbar

  hello, I have protected a std::queue's access functions, push, pop, size, with boost::mutexes and boost::mutex::scoped_lock in these functions from time to time it crashes in a scoped lock the call stack is this: 0 0x0040f005 boost::detail::win32::interlocked_bit_test_and_set include/boost/thread/win32/thread_primitives.hpp 361 1 0x0040e879 boost::detail::basic_timed_mutex::timed_lock include/boost/thread/win32/basic_timed_mutex.hpp 68 2 0x0040e9d3 boost::detail::basic_timed_mutex::lock include/boost/thread/win32/basic_timed_mutex.hpp 64 3 0x0040b96b boost::unique_lock<boost::mutex>::lock include/boost/thread/locks.hpp 349 4 0x0040b998 unique_lock include/boost/thread/locks.hpp 227 5 0x00403837 MyClass::inboxSize - this is my inboxSize function that uses this code: MyClass::inboxSize () { boost::mutex::scoped_lock scoped_lock(m_inboxMutex); return m_inbox.size(); } and the mutex is declared like this: boost::mutex m_inboxMutex; it crashes at the last pasted line in this function: inline bool interlocked_bit_test_and_set(long* x,long bit) { long const value=1<<bit; long old=*x; and x has this value: 0xababac17 Thanks for the help

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• Override onDraw to change how the drawing occurs (Android)

  - by Casebash

  I want to change how my UI elements display, so I am overriding onDraw. The following code allows me to change a View to be drawn using PorterDuff.Mode.DARKEN. Unfortunately, this method involves creating a bitmap the size of the entire screen, then drawing to it then drawing this large bitmap the main screen again, for each UI element. This isn't at all efficient. Is it possible to achieve this in a more effecient way? @Override protected void onDraw(Canvas canvas) { //TODO: Reduce the burden from multiple drawing Bitmap bitmap=Bitmap.createBitmap(canvas.getWidth(), canvas.getHeight(), Config.ARGB_8888); Log.e("tmp",canvas.getClipBounds().toString()); Canvas offscreen=new Canvas(bitmap); super.onDraw(offscreen); //Then draw onscreen Paint p=new Paint(); p.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.DARKEN)); canvas.drawBitmap(bitmap, 0, 0, p); }

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• C# compile error for simple Annual Salary Calculator

  - by Mike Vignapiano

  I am new to C# and trying to create my 1st app. I have 3 errors. The first two say that txtSalary and Salary do not exist. The 3rd says that it cannot convert method group 'ToString' to non-delegate type 'string'. and asks if I intend to invoke the method. Here is what I have: protected void Button1_Click(object sender, EventArgs e) { int salary, AnnualHours, Rate; string txtAnnualHours, txtSalary, txtRate; salary = AnnualHours * Rate; txtsalary = int.Parse(Salary); txtAnnualHours = salary.ToString; MessageBox.Show(salary); } According to my book, when you enter numerics in AnnualHours and Rate textbox, when click Button1, these values are converted from string to integers, then multiplied for salary. Then numeric answer converted to string and displayed in messagebox named txtSalary. Please show me what I got wrong because according to the book, I am not missing anything.

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• How to mock static member variables

  - by pkrish

  I have a class ClassToTest which has a dependency on ClassToMock. public class ClassToMock { private static final String MEMBER_1 = FileReader.readMemeber1(); protected void someMethod() { ... } } The unit test case for ClassToTest. public class ClassToTestTest { private ClassToMock _mock; @Before public void setUp() throws Exception { _mock = mock(ClassToMock.class) } } When mock is called in the setUp() method, FileReader.readMemeber1(); is executed. Is there a way to avoid this? I think one way is to initialize the MEMBER_1 inside a method. Any other alternatives? Thanks!

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• How do you detect an area that can be filled in in a bitmap in ActionScript 3?

  - by 1.21 gigawatts

  I am having a tough time figuring this out. I need to be able to detect a fill area for something similar to a coloring book picture. The user will click inside the area that needs to be filled. The image is user created bitmap content and so the fill area must be detected at runtime. Any help would be tremendously appreciated! Posting Flex 4 code for review: <fx:Script> <![CDATA[ protected function myImage_clickHandler(event:MouseEvent):void { myImage.imageDisplay.bitmapData.floodFill(event.localX,event.localY,0xFFFFFF); } ]]> </fx:Script> <s:Image id="myImage" click="myImage_clickHandler(event)" source="/images/square.gif"/>

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• ASP.NET GridView - how to enable validation declaratively

  - by Joe

  It it possible to enable validation in an ASP.NET GridView purely declaratively? What I've tried: A GridView bound to an ObjectDataSource with SelectMethod and UpdateMethod defined The GridView contains some ReadOnly BoundField columns and a TemplateField whose EditTemplate contains a TextBox and a RegularExpressionValidator that only allows numeric input in the TextBox. The GridView also contains a CommandField with ShowEditButton=true and CausesValidation=true. If I click on Edit, enter an invalid value, then click on Save, there is a PostBack, and an exception is thrown in the server (Input string was not in a correct format). I can of course avoid this by adding validation code to the RowUpdating event handler on the server (see below), but is there any declarative way to force the validation to be done without adding this code? protected void MyGridView_RowUpdating(object sender, GridViewUpdateEventArgs e) { Page.Validate("MyValidationGroup"); if (!Page.IsValid) { e.Cancel = true; } }

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• can we use layout in Customview ?

  - by UMMA

  friends, i have a custom view class public class Zoom extends View { private Drawable image; private int zoomControler=20; public Zoom(Context context) { super(context); image=context.getResources().getDrawable(R.drawable.icon); setFocusable(true); } @Override protected void onDraw(Canvas canvas) { super.onDraw(canvas); //TransparentPanel tp = new TransparentPanel(this.getContext()); //Button MyButton = new Button(this.getContext()); //MyButton.setText("Press me"); //tp.addView(MyButton); image.setBounds((getWidth()/2)-zoomControler, (getHeight()/2)-zoomControler, (getWidth()/2)+zoomControler, (getHeight()/2)+zoomControler); image.draw(canvas); } } can i use SetContentView(R.layout.mylayout) in this custom view to display that design? or how can i display button with image ondraw method as i have commented the code ? any help would be appreciated.

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• How do I make this linkButton custom component work?

  - by Adam

  package { import mx.controls.LinkButton; import flash.text.TextLineMetrics; public class multiLineLinkButton extends LinkButton { override protected function createChildren():void { super.createChildren(); if (textField){ textField.wordWrap = true; textField.multiline = true; } } override public function measureText(s:String):TextLineMetrics { textField.text = s; var lineMetrics:TextLineMetrics = textField.getLineMetrics(0); lineMetrics.width = textField.textWidth; lineMetrics.height = textField.textHeight; return lineMetrics; } } my issue here is if you use this component you will see that the text is bunched up into a very small area. It does not fill the entire width of the linkButton. Anyone know why this is happening?

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• findBy(x) Using Zend_Navigation with custom route

  - by Stephen

  I am creating my navigation from a db generated array and defining which route to use for some of the uris. when I set the route i am no longer able to use findByUri() as the uri seems to be moved under the properties key example array being used: [id] => 7 [label] => Legal [controller] => index [uri] => /legal [route] => cmsPage [visible] => 1 [params] => Array ( [first] => legal ) snippet of the output: [_properties:protected] => Array ( [uri] => /legal [created] => 2012-10-20 10:23:23 ) When I don't define the route I am able to use findByUri() successfully. currently I am looping through each to find the property that matches the request but it seems a long / wrong approach Is there a way to search by the nested param - or am i doing something wrong with the setup (everything else behaves as expected)

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• null pointer exception on list.add

  - by Eric

  I've been working on this one error for a few hours so I thought I'd pick the brains of some pros. I am getting a null pointer exception at the modelData.add(i, es) method. I know from debugging that es isn't null. I'm really confused, thanks. public class EventTableModel extends AbstractTableModel { //private int rowCount = 0; protected List<EventSeat> modelData; private static final int COLUMN_COUNT = 3; private Event e; Event j = GUIpos.m; int i = 1; public EventTableModel(Event e) { this.e = e; try { System.out.println(modelData); for (EventSeat es : e.getEventSeats()) { modelData.add(i, es); i++; } } catch (DataException ex) { Logger.getLogger(EventTableModel.class.getName()).log(Level.SEVERE, null, ex); } }

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• XNA AdGameComponent does not draw

  - by Alex Shkor

  I have following code. But AddGameComponent doesn't draw. protected override void Initialize() { // TODO: Add your initialization logic here base.Initialize(); var li = new LicenseInformation(); IsTrial = li.IsTrial(); if (IsTrial) { AdGameComponent.Initialize(this, AppID); Components.Add(AdGameComponent.Current); CreateAd(); } } private void CreateAd() { bannerAd = AdGameComponent.Current.CreateAd(AdUnitID, new Rectangle(x, y, width, height), true); AdGameComponent.Current.Enabled = true; } I have tried to set DrawOrder to 1000, but ads still doesn't work.

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• How do you add < or > to a summary tag in Visual studio?

  - by Tony

  How do you add < (less than) or (greater than) to a summary comment in visual studio? I am in Visual Studio 2008. I have a generic method: public bool IsMemberProtected<T>(Expression<Func<T, object>> expression) Would love to have a summary tag of something like this /// <summary> /// Determines whether a member is protected. /// /// Usage: IsMemberProtected<ExampleType>(x => x.Member) /// </summary> But when I do that, the tooltip for the property no longer works when a developer hovers over the method in code to view the summary tag. Thoughts?

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• Request for another page from aspx site

  - by sanjuro

  Hi, it is possible to do a request for another page on internet from page_load? I mean if it is possible to aquire markup code with informations from another page and display them on my aspx site? For example something like this: protected void Page_Load(object sender, EventArgs e) { UnknownType anotherSite = GetMarkupCode("www.fifa.com"); //parse anotherSite . . . //display parsed informations . . . } If it is possible how can i do that? Many thanks for answers.

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• blackberry development problem?

  - by user188391

  i want to create this type of grid field can any one guide me? import net.rim.device.api.ui.Field; import net.rim.device.api.ui.Manager; public class GridFieldManager extends Manager { private int[] columnWidths; private int columns; private int allRowHeight = -1; public GridFieldManager(int columns, long style) { super(style); this.columns = columns; } public GridFieldManager(int[] columnWidths, long style) { super(style); this.columnWidths = columnWidths; this.columns = columnWidths.length; } public GridFieldManager(int[] columnWidths, int rowHeight, long style) { this(columnWidths, style); this.allRowHeight = rowHeight; } protected boolean navigationMovement(int dx, int dy, int status, int time) { int focusIndex = getFieldWithFocusIndex(); while(dy > 0) { focusIndex += columns; if (focusIndex >= getFieldCount()) { return false; // Focus moves out of this manager } else { Field f = getField(focusIndex); if (f.isFocusable()) { // Only move the focus onto focusable fields f.setFocus(); dy--; } } } while(dy < 0) { focusIndex -= columns; if (focusIndex < 0) { return false; } else { Field f = getField(focusIndex); if (f.isFocusable()) { f.setFocus(); dy++; } } } while(dx > 0) { focusIndex ++; if (focusIndex >= getFieldCount()) { return false; } else { Field f = getField(focusIndex); if (f.isFocusable()) { f.setFocus(); dx--; } } } while(dx < 0) { focusIndex --; if (focusIndex < 0) { return false; } else { Field f = getField(focusIndex); if (f.isFocusable()) { f.setFocus(); dx++; } } } return true; } protected void sublayout(int width, int height) { int y = 0; if (columnWidths == null) { columnWidths = new int[columns]; for(int i = 0; i < columns; i++) { columnWidths[i] = width/columns; } } Field[] fields = new Field[columnWidths.length]; int currentColumn = 0; int rowHeight = 0; for(int i = 0; i < getFieldCount(); i++) { fields[currentColumn] = getField(i); layoutChild(fields[currentColumn], columnWidths[currentColumn], height-y); if (fields[currentColumn].getHeight() > rowHeight) { rowHeight = fields[currentColumn].getHeight(); } currentColumn++; if (currentColumn == columnWidths.length || i == getFieldCount()-1) { int x = 0; if (this.allRowHeight >= 0) { rowHeight = this.allRowHeight; } for(int c = 0; c < currentColumn; c++) { long fieldStyle = fields[c].getStyle(); int fieldXOffset = 0; long fieldHalign = fieldStyle & Field.FIELD_HALIGN_MASK; if (fieldHalign == Field.FIELD_RIGHT) { fieldXOffset = columnWidths[c] - fields[c].getWidth(); } else if (fieldHalign == Field.FIELD_HCENTER) { fieldXOffset = (columnWidths[c]-fields[c].getWidth())/2; } int fieldYOffset = 0; long fieldValign = fieldStyle & Field.FIELD_VALIGN_MASK; if (fieldValign == Field.FIELD_BOTTOM) { fieldYOffset = rowHeight - fields[c].getHeight(); } else if (fieldValign == Field.FIELD_VCENTER) { fieldYOffset = (rowHeight-fields[c].getHeight())/2; } setPositionChild(fields[c], x+fieldXOffset, y + fieldYOffset); x += columnWidths[c]; } currentColumn = 0; y += rowHeight; } if (y >= height) { break; } } int totalWidth = 0; for(int i = 0; i < columnWidths.length; i++) { totalWidth += columnWidths[i]; } setExtent(totalWidth, Math.min(y, height)); } }

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• Whats the best to way convert a set of Java objects to another set of objects?

  - by HDave

  Basic Java question here from a real newbie. I have a set of Java objects (of class "MyClass") that implement a certain interface (Interface "MyIfc"). I have a set of these objects stored in a private variable in my class that is declared as follows: protected Set<MyClass> stuff = new HashSet<MyClass>(); I need to provide a public method that returns this set as a collection of objects of type "MyIfc". public Collection<MyIfc> getMyStuff() {...} How do I do the conversion? The following line gives me an error that it can't do the conversion. I would have guessed the compiler knew that objects of class MyClass implemented MyIfc and therefore would have handled it. Collection<MyIfc> newstuff = stuff; Any enlightenment is appreciated.

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