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• Get rid of XAML Window from Taskbar

  - by griegs

  If I have a XAML window that I show with ShowDialog, is there a way to make it (not) appear in the taskbar? The problem is that I can set the window to be topmost but if that window opens another dialog and I set that also to be topmost, I can put the second behind the first by clicking in the taskbar. This tends to confuse users.

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• How do I change the WPF Expander Header Text when expanded or collapsed?

  - by Scott Ferguson

  Using a WPF expander, I want the Header to change from See More to See Less when the control is expanded, and back to See More when it's collapsed again. I'd prefer a WPF pure solution, rather than a C# or other code behind method. I get the feeling this should be easy, but I'm struggling for the right terms to get a solution via google. Thanks!

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• A reference that is not to 'const' cannot be bound to a non-lvalue

  - by Bert

  Hello, Am struggling a bit with this. Am declaring: BYTE *pImage = NULL; Used in call: m_pMyInterface-GetImage(i, &imageSize, &pImage); Visual C++ 2003 compiler error: error C2664: 'CJrvdInterface::GetImage' : cannot convert parameter 3 from 'BYTE **__w64 ' to 'BYTE **& ' A reference that is not to 'const' cannot be bound to a non-lvalue The method called is defined as: void CMyInterface::GetImage(const int &a_iTileId, ULONG *a_pulImageSize, BYTE** &a_ppbImage) { (...) Any help much appreciated, Bert

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• How can i obtain in C# a specific operator's function?

  - by Silviu

  Is it possible to obtain the function behind a C# operator? For example in F# you can do let add = (+);; val add : (int -> int -> int) Is it possible in c# to do something like this: Func<int, int, int> add = (+); or Func<int, int, int> add = Int32.(+) ?

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• How to call notifyDataSetChanged() from a generic Adapter

  - by Matty F

  An OnItemClickListener for a ListView has the following method: @Override public void onItemClick(AdapterView<?> parent, View v, int position, long id) I'd like to have the adapter behind the ListView refresh, and I believe this is done through the use of: BaseAdapter.notifyDataSetChanged() How do I use the parent parameter in the onItemClick method to do this? So far I've tried: parent.getAdapter().notifyDataSetChanged(); This throws an error because the object returned is of class HeaderViewListAdapter, which for reasons unknown isn't a subclass of BaseAdapter.

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• How to do UDP without port forwarding

  - by igor

  Hi all, I am creating an application in C#, It should send data with UDP. Everything works fine until, I try to communicate with a PC that is on the internet behind a router. How do I fix this so that I can use UDP without port forwarding?

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• Is there a way to do simple calculations in a xaml element binding statement other than using a conv

  - by Jonathan Websdale

  In XAML I want to bind the height of one element to be half the height of another element. Is there a way to do this that doesn't involve writing a converter in the code-behind? Example:- What I've got... <Button Name="RemoveButton" Content="Remove Stage" Width="100" Height="{Binding ElementName=AddButton, Path=Height, Converter={StaticResource MyHalfHeightConverter}}"/> What I'd like... <Button Name="RemoveButton" Content="Remove Stage" Width="100" Height="{Binding ElementName=AddButton, Path=(Height / 2.0)}"/>

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• Java, HashMaps and using Strings as the keys - does the string value get stored twice?

  - by MalcomTucker

  If I have a HashMap that looks like this: HashMap<String, MyObject> where the String key is a field in MyObject, does this string value get stored twice? So when I add entries: _myMap.put(myObj.getName(), myObj); Am I using double the String size in terms of memory? Or does Java do something clever behind the scenes? Thanks

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• When would you put a semicolon after a method closing brace?

  - by froadie

  I've been programming in Java for a while, and I've just come across this syntax for the first time: public Object getSomething(){return something;}; What's interesting me is the final semicolon. It doesn't seem to be causing a compiler error, and as far as I know isn't generating runtime errors, so it seems to be valid syntax. When would I use this syntax? Or is it just something that is allowed but generally not used?

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• Why does Microsoft Windows' performance appear to degrade over time?

  - by Ben Aston

  Windows XP/2k3 and earlier (can't attest to Vista, but suspect it's the same) all appear to become more sluggish over time as applications are installed and uninstalled. This is not a scientifically tested observation, but more of a learned-through-experience piece of wisdom. (I've always suspected the registry as being behind the issue.) Does anyone have any concrete evidence of this degradation occurring, or it just an invalid perception of mine?

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• bring object to front flash actionscript 3

  - by steve

  I have a menu set up that has about 20 menu items in a circle. When you mouse over each item, a title comes up. The only problem is that because of the depth order, it's hidden behind the other menu items. Is there a way to bring this item to the front when moused over? I'm pretty actionscript illiterate so any help would be awesome.

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• gridview findcontrol in footer problem

  - by harold-sota

  I have a asp.net grid view with the property ShowFooter="True" and a item template as <FooterTemplate> <asp:DropDownList ID="Contetnt1InsertDropDownList" Width="100%" runat="server" DataSource="<%# GetValueForDropDownCombinationContent() %>" DataValueField="LOOKUP_ID" DataTextField="LOOKUP_NAME" > </asp:DropDownList> </FooterTemplate> in the code behind : Dim ddl As DropDownList = DirectCast(combinationViewGridView.FooterRow.FindControl("Loocup1InsertDropDownList"), DropDownList) in a RowCommand event the cast return a null value. Any ideas??

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• In few words, what can be said about Mocking process in TDD

  - by Richard77

  Hello, I'd like to brush my brain to avoid confusions. In few words, what can be said about Mocking process in TDD What's the GREAT idea behind MOCKING? Mocking frameworks are meant to be used only to avoid accessing DB during tests or they can be used for something else? For new comers (like me), are all the frameworks equal or I need to choose one for this or that reason? Thanks for helping

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• How to fill a Label.Text - Property via jQuery

  - by Jan-Frederik Carl

  Hello, I use ASP.NET and have a label control on my page, which I fill with the jQuery-Command $('#<%= myLabel.ClientID %>').html(content); .val() does not seem to work with this. Somehow, I have Problems getting the content in code-behind. In the code, the myLabel.Text-Property is still empty.

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• How to set uri for local image in silverlight app?

  - by KentZhou

  In SL class library MyLib, I have a image say my.png. Then I want to use it in code behind I tried following way: StreamResourceInfo resourceStream = Application.GetResourceStream(new Uri("/MyLib;component/my.png", UriKind.Relative)); BitmapImage image = new BitmapImage(); image.SetSource(resourceStream.Stream); this.MyIcon.Source = image; But it's not woking. I think it's the Uri not set correctly. Help please.

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• Java - Virtual Methods

  - by Gogi

  How does virtual functions work behind the scenes in Inheritance ? Does the compiler treat virtual functions specially ?

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• Using auto-generated event handler in both class and it's superclass

  - by abatishchev

  I have a abstract class: public abstract class MySuperControl : UserControl { protected void Page_PreRender(object sender, EventArgs e) { // do something in super } } and a class that is code-behind for a designed UserControl: public partial class MyControl : MySuperControl { protected void Page_PreRender(object sender, EventArgs e) { // do something in class } } how do declare both of them to nest automated call?

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• What happens if you compile an empty java file?

  - by GK

  When i compiled an empty java file it didn't produce any class file. So wanted to know how compiler react when compiling an empty java file. It should have generated an empty class file in this, why it didn't?

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• Why is the software world full of status codes?

  - by David V McKay

  Why did programmers ever start using status codes? I mean, I guess I could imagine this might be useful back in the days when a text string was an expensive resource. WAYYY back then. But even after we had megabytes of memory to work with, we continued to use them. What possible advantage could there be for obfuscating the meaning of an error message or status message behind a status code?

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• Move from *this in an rvalue method?

  - by FredOverflow

  In C++0x, methods can be overloaded on whether or not the expression that denotes the object on which the method is called is an lvalue or an rvalue. If I return *this from a method called via an rvalue, do I need to explicitly move from *this or not? Foo Foo::method() && { return std::move(*this); // Is this move required or not? } Unfortunately, I can't simply test this on my compiler since g++ does not support this feature yet :(

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• Objective C -- passing array literal to a method

  - by morgancodes

  This seems to work (compiler doesn't complain, anyway): float adsr[4] = {0,1.0/PULSE_SPEED, 0,1}; [sequence setBaseADSR:adsr]; but I want to make it more concise and do this: [sequence setBaseADSR:{0,1.0/PULSE_SPEED, 0,1}]; How do I do it? In javascript, I'd call stuff in the brackets an "array literal". Not sure if C languages have the same concept or terminology though.

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• How to create an "endless" scrolling slideshow?

  - by Andrew

  I know a good bit of JS and I'm familiar with jQuery, and I'm trying to create an "endless" slideshow (like the one on http://thisismedium.com/), where the images scroll -- one right behind the other -- and when it reaches the end it loops. I don't really know how to start, so I was hoping someone could point me in the right direction. I created a slideshow before that automatically switched images and let you click Next and Previous, but I'm stuck here. =/.

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• Implementing dynamic scope when using CPS as intermediate language

  - by asandroq

  I am currently studying the implementation of programming languages and became interested in using Continuation-Passing Style as the intermediate language of the compiler. I also want to implement limited dynamic scope (for exception-handling or Scheme parameter objects) but I cannot find the relevant literature. I think it can be done with a separate environment passed as a variable to every closure, but this solution seems ugly to me. Could anyone point me to the relevant literature, or give me an idea of how this can be done?

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• Commercial use of Google API

  - by Mac

  This question maybe a better fit on The Business of Software forum but despite my post on there, I'm still unable to determine the following: Can I use the Google API to build commercial software? If not how can the people behind Byline charge for their app? Update: I'm specifically interested in Google's Picasa & Reader APIs

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• Does Duff's Device Speed up Java Code?

  - by bmargulies

  Using the stock Sun 1.6 compiler and JRE/JIT, is it a good idea to use Duff's Device to unroll a loop? Or does it end up as code obfuscation with no performance benefit.

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