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  • What's the fastest way to draw a Hello World in Java

    - by Mordan
    What's the fastest way to draw a Hello World on the screen as a GUI in Java, 1- by using the minimum number of classes. 2- with the least byte code executed 2- the JVM tweaks so when I double click on the Jar file in Windows, the Hello World appears in no time (assuming the Runtime is not already loaded).

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  • Building IronRuby WPF GUIs

    - by Vlad
    This may be a silly question but I was under the impression that it was possible to use IronRuby and MS Visual Studio 2010 together to sort of build interfaces\edit XAML in one window and code ruby in the other? Is this only possible to do with C#, Basic and C++ ? I've browsed SO and seen some IronRuby snippets like this one: button1.click do |sender, args| MessageBox.show("Hello World!") end So it stands to reason you can create GUIs somehow, but is the visual gui creator not available for ironruby?

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  • can i use WindowBuilder (java visual editor Eclipse Plugin ) Without GWT Support ??

    - by Salamon
    hello , I'm a little bit confused about it . it seems that it is integrated with Google web kit tools to build Google web apps . but can i use to build a Gui for standard java app , (like netbeans) ?? i know it sounds silly but i spend a lot of time to know if is it possible or not but i couldn't know. notice that i am a mac user , ( WindowBuilder on mac seems not fully supported ) . thanks in advance .

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  • Open new panel with button clicked.

    - by bat
    Java Swing GUI: I am using ActionListener to preform the action when a button is clicked. What i want to do is when a button is clicked, open a new panel, but load/get the new panel from a different file. This is what i have so far but i rather just link to another file. THANKS! =] public void actionPerformed(java.awt.event.ActionEvent e) { //something like this... loadFile(newPlane.java); }

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  • C#. Struct design. Why 16 byte is recommended size?

    - by maxima120
    I read Cwalina book (recommendations on development and design of .NET apps). He says that good designed struct has to be less than 16 bytes in size (for performance purpose). My questions is - why exactly is this? And (more important) can I have larger struct with same efficiency if I run my .NET 3.5 (soon to be .NET 4.0) 64-bit application on i7 under Win7 x64 (is this limitation CPU / OS based)? Just to stress again - I need as efficient struct as it is possible. I try to keep it in stack all the time, the application is heavily multi-threaded and runs on sub-millisecond intervals, the current size of the struct is 64 byte.

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  • NetFx40_LegacySecurityPolicy in design-time mode

    - by Ilya
    Hi, Is there any way to make legacy design-time code execute with NetFx40_LegacySecurityPolicy switched on? More spicificaly, is there any way to make DevExpress 8.2 winforms designer work in VisualStudio 2010? I got errors due to this issue and found no help about design-time mode, just about run-time: <runtime> <NetFx40_LegacySecurityPolicy enabled="true"/> </runtime> How should I fix problems with winforms designer?

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  • network design to segregate public and staff

    - by barb
    My current setup has: a pfsense firewall with 4 NICs and potential for a 5th 1 48 port 3com switch, 1 24 port HP switch, willing to purchase more subnet 1) edge (Windows Server 2003 for vpn through routing and remote access) and subnet 2) LAN with one WS2003 domain controller/dns/wins etc., one WS2008 file server, one WS2003 running Vipre anti-virus and Time Limit Manager which controls client computer use, and about 50 pcs I am looking for a network design for separating clients and staff. I could do two totally isolated subnets, but I'm wondering if there is anything in between so that staff and clients could share some resources such as printers and anti-virus servers, staff could access client resources, but not vice versa. I guess what I'm asking is can you configure subnets and/or vlans like this: 1)edge for vpn 2)services available to all other internal networks 3)staff which can access services and clients 4)clients which can access services but not staff By access/non-access, I mean stronger separation than domain usernames and passwords.

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  • Improving as a coder with respect to design.

    - by dmarakaki
    As a soon-to-be computer science graduate, I have to come realization that I have a long way to go when it comes to the overall design of an application. After spending many semesters of programming from the hip I have come to appreciate the mulling over the needs of an application before diving head first into the coding portion. My question is to the intermediate and expert programmers, how can I improve in the area of the design phase of development?

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  • Java GUI amd FPGA

    - by murat
    Hi, I study on a robot simulator that written on Java environment.But sonar scan simulations and computational burden of some driven algorithms on robot drop my simulator's performance. So i have decided to use fpga module and put the computational burden on it.I have spartan 3a development kit for this implemenatation. Does anyone has any document or application sample that related with communication of java program on PC with fpga code. thanks.

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  • SVN post-commit hook doesn't open up GUI

    - by Oded
    Hi, I've created a form application in .NET which will be used in the post-commit hook. the problem is that the UI of the application is not shown. What may be the problem? Thanks. EDIT my UI should show Issue numbers of the developer. from there he should choose the Issue number that will be inserted to the log message. I've completed the script. But the UI is not shown.

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  • WFP: How do you properly Bind a DependencyProperty to the GUI

    - by Robert Ross
    I have the following class (abreviated for simplicity). The app it multi-threaded so the Set and Get are a bit more complicated but should be ok. namespace News.RSS { public class FeedEngine : DependencyObject { public static readonly DependencyProperty _processing = DependencyProperty.Register("Processing", typeof(bool), typeof(FeedEngine), new FrameworkPropertyMetadata(true, FrameworkPropertyMetadataOptions.AffectsRender)); public bool Processing { get { return (bool)this.Dispatcher.Invoke( DispatcherPriority.Normal, (DispatcherOperationCallback)delegate { return GetValue(_processing); }, Processing); } set { this.Dispatcher.BeginInvoke(DispatcherPriority.Normal, (SendOrPostCallback)delegate { SetValue(_processing, value); }, value); } } public void Poll() { while (Running) { Processing = true; //Do my work to read the data feed from remote source Processing = false; Thread.Sleep(PollRate); } // } } } Next I have my main form as the following: <Window x:Class="News.Main" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:converter="clr-namespace:News.Converters" xmlns:local="clr-namespace:News.Lookup" xmlns:rss="clr-namespace:News.RSS" Title="News" Height="521" Width="927" Initialized="Window_Initialized" Closing="Window_Closing" > <Window.Resources> <ResourceDictionary> <converter:BooleanConverter x:Key="boolConverter" /> <converter:ArithmeticConverter x:Key="arithConverter" /> ... </ResourceDictionary> </Window.Resources> <DockPanel Name="dockPanel1" SnapsToDevicePixels="False" > <ToolBarPanel Height="37" Name="toolBarPanel" Orientation="Horizontal" DockPanel.Dock="Top" > <ToolBarPanel.Children> <Button DataContext="{DynamicResource FeedEngine}" HorizontalAlignment="Right" Name="btnSearch" ToolTip="Search" Click="btnSearch_Click" IsEnabled="{Binding Path=Processing, Converter={StaticResource boolConverter}}"> <Image Width="32" Height="32" Name="imgSearch" Source="{Resx ResxName=News.Properties.Resources, Key=Search}" /> </Button> ... </DockPanel> </Window> As you can see I set the DataContext to FeedEngine and Bind IsEnabled to Processing. I have also tested the boolConverter separately and it functions (just applies ! (Not) to a bool). Here is my Main window code behind in case it helps to debug. namespace News { /// <summary> /// Interaction logic for Main.xaml /// </summary> public partial class Main : Window { public FeedEngine _engine; List<NewsItemControl> _newsItems = new List<NewsItemControl>(); Thread _pollingThread; public Main() { InitializeComponent(); this.Show(); } private void Window_Initialized(object sender, EventArgs e) { // Load current Feed data. _engine = new FeedEngine(); ThreadStart start = new ThreadStart(_engine.Poll); _pollingThread = new Thread(start); _pollingThread.Start(); } } } Hope someone can see where I missed a step. Thanks.

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  • Is there any special tool for interactive GUI development

    - by niko
    Hi, Currently I am preparing exercises about networks and mobile communications for students. I was thinking about creating an interactive user-interface which enables the user to drag&drop predefined elements and then implement a logic based upon element distances etc. An example would be to place two base stations (a predefined element with several properties), set the scale in the interface and then check the signal interferrence in the environment (user-interface). The first part might be too abstract whereas the example might be too specific, but I was wondering whether there already exists any friendly framework or language which enables developers to create interactive interfaces (for teaching/learning purpouses) in short ammount of time. Usually I write applications for PC environment in .NET but in this case it would take too much time to create a specific interface for every exercise. I would appreciate if anyone could suggest any way to create interactive user-interface in short ammount of time. Are there any special programming languages or development tools for this kind of applications or are there any useful frameworks for .NET, Java or any other language to speed up the development of user-interfaces? Thank you!

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  • Cancel table design change in SQL Server 2000

    - by Bryce Wagner
    In SQL Server Enterprise Manager and change one of the columns and save it, it will create a table with the new definition, and copy all the data to that new table, and then delete the old table when it's done. But if your table is large (let's say on the order of 100GB), it can take a long time to do this. Even worse, if you don't have sufficient disk space, it doesn't notice ahead of time, and it will spend a long time trying to copy the table, run out of space, and then decide to abort the process. We have other ways to copy the data in smaller chunks, but those require significantly more manual intervention, so it's usually easier to just let Enterprise Manager figure it out, as long as there's enough disk space. So for a long running "Design Table" save like this, is there any way to cancel once it's started? Or do you just have to wait for it to fail?

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  • Android JARSIGNER GUI tool?

    - by BahaiResearch.com
    Newbie question. After I have written the Android App (easy part) I need to sign it and upload it (seems the hard part) Is there an Open Source app or tool that I can use to do this so that I don't have to write command shell scripts. JARSIGNER looks overly complex. I'm looking for a dead simple Sign-And-Package up tool. I am using Eclipse with the Android plug in.

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  • NSInteger differences between CLI and GUI ?

    - by d11wtq
    I've been building a framework and writing unit tests in GHUnit. One of my Framework's accessor methods returns an NSInteger. I assert the expected value in the tests like this: GHAssertEquals(1320, request.port, @"Port number should be 1320"); When running my tests with an AppKit UI based frontend this assertion passes. However, when I run my tests on the command line, it fails with a type-mismatch unless I type-cast my hard-coded 1320 as (NSInteger). What's causing the difference in the way the integer is being interpreted by the compiler? Is xcodebuild on the command line using a different data-type for hard coded integers?

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  • Remote site AD design (2003)

    - by Boy Mars
    A remote site has about 25 of our 50-ish employees. They have their own AD domain presently (2003) but I want to look at getting them onto the same global domain for ease of access/administration. The remote site has a VPN link but line speeds are very poor. I am already aware of tools like ADMT and have done a few migrations in the past (NT/2003 domains), but this is the first time I have the luxury of designing how this domain is organised. So I'm looking for tips on good AD design; would a remote site be better served as a sub-domain? would this reduce traffic? I am only currently looking at 2003 since only existing machine will be used.

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  • Java Swing GUI exception - Exception in thread "AWT-EventQueue-0" java.util.NoSuchElementException:

    - by rgksugan
    I get this exception when i run my application. I dont have any idea what is going wrong here. Can someone help please. Exception in thread "AWT-EventQueue-0" java.util.NoSuchElementException: Vector Enumeration at java.util.Vector$1.nextElement(Vector.java:305) at javax.swing.plaf.basic.BasicTableHeaderUI.getPreferredSize(BasicTableHeaderUI.java:778) at javax.swing.JComponent.getPreferredSize(JComponent.java:1634) at javax.swing.ViewportLayout.preferredLayoutSize(ViewportLayout.java:78) at java.awt.Container.preferredSize(Container.java:1599) at java.awt.Container.getPreferredSize(Container.java:1584) at javax.swing.JComponent.getPreferredSize(JComponent.java:1636) at javax.swing.ScrollPaneLayout.layoutContainer(ScrollPaneLayout.java:702) at java.awt.Container.layout(Container.java:1421) at java.awt.Container.doLayout(Container.java:1410) at java.awt.Container.validateTree(Container.java:1507) at java.awt.Container.validate(Container.java:1480) at javax.swing.RepaintManager.validateInvalidComponents(RepaintManager.java:669) at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(SystemEventQueueUtilities.java:124) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209) at java.awt.EventQueue.dispatchEvent(EventQueue.java:597) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161) at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)

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