My goal here is to override a method if it isn't found, otherwise use the original method (for backwards compatibility of a library I can't alter). This is what I have so far, but am still struggling with: this.grid.getDataSource = function(){ if (typeof this.grid.getDataSource.getDataSource == "undefined") return t...
Hi, I have a problem with overriding the equals method in an Enum to make it compatible with other classes. The Enum implements an interface and the idea is that all implementations of this interface can be tested for equality, regardless of their type. For Example: public interface Group { public Point[] getCoordinates(); } publ...
I wrote a custom control in C# that inherits from the RichTextBox. The purpose of this control is to contain all improvements and changes, such as modified line numbering and having the control repaint itself only when it should. Yesterday, I noticed memory spikes (and often, OOM exceptions) when accessing the Lines property of this co...
In Android, I have been attempting to add functionality to a multiple choice list that pops up in a dialog. (see http://blog.350nice.com/wp/wp-content/uploads/2009/07/listpreferencemultiselect.java) The issue is that I want to limit the number of choices to 3. Say I have a list of US States in my list, and I only want someones 3 favor...
I am not a programmer but an artist and I need to receive and send quality images by email. Silverlight turns them all into miniatures which when expanded to 100% are blurred and completely useless for my purposes (applying to show in exhibitions for example). Is there any way I can over ride Silverlight, or does anyone have any ideas wh...
when on Mouse Over state on a link the status bar shows the link's location in the status bar like in the following image... is there a way to change\override this to show some desired text... ...
Hi, I have a site that uses JavaScript extensively. But my problem is now that my site is being used by various timezones the date and times are incorrect when displaying data from the server (TZ A) and Displayed on the client using JavaScript (TZ B). My site is ASP.net if that makes any difference. Originally I never catered for UTC ...
Hi, Is it possible to invoke method A.F() from instance of B class except of using refactoring. Thanks.. class Program { public class A { public virtual void F() { Console.WriteLine( "A" ); } } public class B : A { public override void F() { Console.WriteLine( "B" );...
Im reading a xlsx file as a db to do some work i noticed that its reading some feilds in as int and date even though i just want it all to come in as text . is there anyway to override this feature? Code below (feel free to point out anything i could be doing better with my code as well) private DataSet ExceltoDT(OpenFileDialog dia...
How do I override a child css-property. Example, the text should be black: <div style="color: Black;"> <div style="color: Red;">Red text that should be black.</div> </div> Since I got some answers that suggest that I should not use inline styles, I should tell you that this is not an option, at least not for the inner div. ...
If I override a member (e.g AutoSize in the Button Class), then the intellisense no longer appears in the editor, forcing me to re-decorate the property. Is there an option somewhere that I need to check? ETA: Here's a code sample: Public Class MyButton Inherits Button Public Overrides Property AutoSize() As Boolean G...
I have an instance of Type (type). How can I determine if it overrides Equals()? ...
Can someone point me out what is the problem when I want to overrible a default value in a variable with an argument in Bash? The following code doesn't work: #!/bin/bash VARIABLE1="defaultvalue1" VARIABLE2="defaultvalue2" # Check for first argument, if found, overrides VARIABLE1 if [ -n $1 ]; then VARIABLE1=$1 fi # Check for seco...
class A { public void Foo() {} } class B extends A { } class C extends B { public void Foo() {} } Does C's Foo() override A's even though B did not override it? Or do I have to add a stub in B that calls the super's method for each one I want to override in C? ...
I'm trying to override the onBackPressed() method of the ActivityGroup class: public class MyClass extends ActivityGroup { @Override public void onBackPressed() { // do something return; } but I'm getting the error The method onBackPressed() of type MyClass must override a superclass method. I'm relative...
Hello guys, I am experiencing some problems while working with ComboBox. The display member for my combobox is not being populated by the overridden ToString method of class MAP. Here is my code: Form1.cs: private void Form1_Load(object sender, EventArgs e) { ... ... MAPList MAP = new MAPList(); comboBox1...
I am trying to override save in the modelform to add the current user as the owner of a vehicle. But I am receiving 'NoneType' object has no attribute 'user' What am I forgetting? forms.py: class VehicleForm(ModelForm): class Meta: model = Vehicle exclude = ('slug', 'owner', ) def __init__(self, *args, **kwargs...
I would like someone to try and explain the difference between these. More specifically, example usage scenario's. I am refactoring some Windows Form code and a Form has some code in the Form_Load() event and also in a protected override void OnLoad() event that calls base.OnLoad(e); Now I traced it and the Override fires first and ...
There's a decent amount of information out there on the Activity lifecycle. But I'm surprised how difficult it is to find a comprehensive description of the rendering lifecycle. By that I mean the order and rules by which a tree of nested activities, views, and drawables get to be sized and drawn to the screen, and the points at which ...
I would like some variant of this code to compile in java. class X { List<X> getvalue(){...}; } class Y extends X { List<Y> getvalue(){...}; } Javac (1.6) returns an error because List<Y> and List<X> are not compatible. The point is that I would like the compiler to recognize that List<Y> is a compatible return type to List<...