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  • How to learn GUI programming in F#

    - by Muhammad Alkarouri
    These days I am interested in learning F#, and would like to use it for GUI applications. Unfortunately I have no previous background in .Net or C#. Are there any good resources (web sites, books) for learning this without going through C# first? Many thanks in advance.

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  • How can i tell jaxb / Maven to genereate multiple schema packages?

    - by M.R.
    Example: </plugin> <plugin> <groupId>org.jvnet.jaxb2.maven2</groupId> <artifactId>maven-jaxb2-plugin</artifactId> <version>0.7.1</version> <executions> <execution> <goals> <goal>generate</goal> </goals> </execution> </executions> <configuration> <schemaDirectory>src/main/resources/dir1</schemaDirectory> <schemaIncludes> <include>schema1.xsd</include> </schemaIncludes> <generatePackage>schema1.package</generatePackage> </configuration> </plugin> <plugin> <groupId>org.jvnet.jaxb2.maven2</groupId> <artifactId>maven-jaxb2-plugin</artifactId> <version>0.7.1</version> <executions> <execution> <goals> <goal>generate</goal> </goals> </execution> </executions> <configuration> <schemaDirectory>src/main/resources/dir2</schemaDirectory> <schemaIncludes> <include>schema2.xsd</include> </schemaIncludes> <generatePackage>schema2.package</generatePackage> </configuration> </plugin> </plugins> What happened: Maven executes the the first plugin. Then deletes the target folder and creates the second package, which then is visible. I tried to set target/somedir1 for the first configuration and target/somedir2 for the second configuration. But the behavior does not not change? Any ideas? I do not want to generate the packages directly in the src/main/java folder, because these packages are genereated and should not be mixed with manual created classes.

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  • API sanity autotest help needed

    - by rmk
    I am trying to auto-generate Unit Tests for my C code using API sanity autotest. But, the problem is that it is somewhat complex to use, and some tutorials / howto / other resources on how to use it would be really helpful. Have you had any luck with API sanity autotest? Do you think there's a better tool that can be used to auto-generate unit tests for C code?

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  • DirectX Resource Leak

    - by srand
    At the end of my DirectX application I get "The Direct3D device has a non-zero reference count, meaning some objects were not released.". The application is large and not written by me, how can I go about debugging what resources are not being released?

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  • How do you prevent IDisposable from spreading to all your classes?

    - by GrahamS
    Start with these simple classes... Let's say I have a simple set of classes like this: class Bus { Driver busDriver = new Driver(); } class Driver { Shoe[] shoes = { new Shoe(), new Shoe() }; } class Shoe { Shoelace lace = new Shoelace(); } class Shoelace { bool tied = false; } A Bus has a Driver, the Driver has two Shoes, each Shoe has a Shoelace. All very silly. Add an IDisposable object to Shoelace Later I decide that some operation on the Shoelace could be multi-threaded, so I add an EventWaitHandle for the threads to communicate with. So Shoelace now looks like this: class Shoelace { private AutoResetEvent waitHandle = new AutoResetEvent(false); bool tied = false; // ... other stuff .. } Implement IDisposable on Shoelace Buit now FxCop will complain: "Implement IDisposable on 'Shoelace' because it creates members of the following IDisposable types: 'EventWaitHandle'." Okay, I implement IDisposable on Shoelace and my neat little class becomes this horrible mess: class Shoelace : IDisposable { private AutoResetEvent waitHandle = new AutoResetEvent(false); bool tied = false; private bool disposed = false; public void Dispose() { Dispose(true); GC.SuppressFinalize(this); } ~Shoelace() { Dispose(false); } protected virtual void Dispose(bool disposing) { if (!this.disposed) { if (disposing) { if (waitHandle != null) { waitHandle.Close(); waitHandle = null; } } // No unmanaged resources to release otherwise they'd go here. } disposed = true; } } Or (as pointed out by commenters) since Shoelace itself has no unmanaged resources, I might use the simpler dispose implementation without needing the Dispose(bool) and Destructor: class Shoelace : IDisposable { private AutoResetEvent waitHandle = new AutoResetEvent(false); bool tied = false; public void Dispose() { if (waitHandle != null) { waitHandle.Close(); waitHandle = null; } GC.SuppressFinalize(this); } } Watch in horror as IDisposable spreads Right that's that fixed. But now FxCop will complain that Shoe creates a Shoelace, so Shoe must be IDisposable too. And Driver creates Shoe so Driver must be IDisposable. and Bus creates Driver so Bus must be IDisposable and so on. Suddenly my small change to Shoelace is causing me a lot of work and my boss is wondering why I need to checkout Bus to make a change to Shoelace. The Question How do you prevent this spread of IDisposable, but still ensure that your unmanaged objects are properly disposed?

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  • Is it possible to profile memory usage of unit tests?

    - by Rowland Shaw
    I'm looking at building some unit tests to ascertain if resources are leaking (or not) using the unit testing framework that comes with Visual Studio. At present, I'm evaluating the latest version of ANTS Profiler, but I can't quite work out if it allows me to force a snapshot from code (so that I can take a snapshot, run a unit test a few hundred times, force a garbage collection, and take another snapshot, and save the results out for later analysis). Is this possible to do with ANTS/Visual Studio or should I be exploring options with other profilers?

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  • Content Provider

    - by niya
    Created a profile using content provider. After running it correctly, added 3 fields to the table. But now its not working corrrectly.It shows an error like "android.content.res.Resources$NotFoundException: String resource ID #0x4d2".Any solution?

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  • Package SWF into an EXE or APP

    - by Jeremy White
    I am trying to adjust my Flash development workflow so that I am using Flash Builder for all of my coding and multiple FLA files for the user interfaces. I will be creating an ActionScript project in Flash Builder and then having each FLA export a SWC into a resources folder. It is important that I retain the ability to export PC and Mac -- EXE and app, respectively -- projector files. Is there a way of doing this with the Flash compiler or any 3rd party tools?

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  • WinForm Design?

    - by Soo
    I'm coming from a web dev background, and do ok, but with WinForms, everything I make looks like crap. Can you guys point me to resources with WinForm design principles that will make my WinForms easier on the eyes? Thanks!

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  • Image panning in sencha touch 2

    - by MattD
    I'm trying to have show a large image that the user can pan around (so scroll vertically & horizontally). But I can't get the image to scroll. This is what I have: Ext.define('myapp.view.image.Floorplan', { extend: 'Ext.Container', requires: 'Ext.Img', xtype: 'floorplan', config: { title: 'Floorplan', iconCls: 'locate', items: [ { xtype: 'image', scrollable: true, src: './resources/images/floorplan.png', height: 1570, width: 1047 } ] } }); How can I make the image scrollable? Thanks Matt

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  • Problem loading java properties

    - by markovuksanovic
    I am trying to load properties from a file (test.properties) The code I use is as follows: URL url = getClass().getResource("../resources/test.properties"); properties.load(url.openStream()); But when executing the second line I get a NPE. (null pointer exception) I'm not sure what's wrong here... I have checked that the file exists at the location where URL points to... Any help is appreciated....

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  • books or tutorial of complete C# project

    - by user324429
    hello, i am beginner C# programmer, i think it's time that i write full functional application, i begin, but it was very hard to planning and implemntation. if you know some resource about this please help me :) will be versy usefull project managment resources for beginners also. thansk friends!

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  • htaccess rewrite rule loads assets twice?

    - by kristian nissen
    I am using these rules: RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_URI} !\..+$ RewriteCond %{REQUEST_URI} !(.*)/$ RewriteRule ^(.*+)$ /$1/ [L,R] RewriteRule !\.(js|ico|gif|jpg|png|css|html|swf|flv|xml)$ index.php But when I check resources loaded in chrome, I can see that my .css files are loaded twice.

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  • Generate java code in Eclipse?

    - by drozzy
    Does anyone know what approach one can take to automatically generate Java source code, from for example an xml or json file, in eclipse? One great example of what I am thinking of doing is what Google Android sdk does: they have an R class generated automatically from the resources. Every time a resource file is saved in Eclipse R class is automatically regenerated. Thanks!

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  • Maven2 not compiling source

    - by Grep
    Hi, I am new to Maven2 and have been having an issue with the compiling of the source for a RAR. Maven currently copies all the information located at my sourceDirectory instead of compiling it even though the console states that the source is being compiled. If I navigate to the sourceDirectory I find all my source files with no compiled class files. I have tried changing my outputDirectory to a different location and when I inspect this directory I find that it only copied my source files instead of compiling them. I have added an example of my POM. Any advice would be appreciated and please keep in mind I have only started learning/implementing Maven2 yesterday :) <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"> <modelVersion>4.0.0</modelVersion> <artifactId>MyApp</artifactId> <groupId>.</groupId> <version>4</version> <packaging>rar</packaging> <name>MyApp rar</name> <build> <directory>target\${artifactId}-${version}</directory> <resources> <resource> <directory>..\gen-src</directory> <excludes> <exclude>util.jar</exclude> </excludes> </resource> <resource> <directory>..\domain</directory> </resource> </resources> <sourceDirectory>target\${artifactId}-${version}</sourceDirectory> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-rar-plugin</artifactId> <configuration> <workDirectory>target\${artifactId}-${version}\classes</workDirectory> <outputDirectory>target</outputDirectory> <finalName>MyApp${version}</finalName> <raXmlFile>${workDirectory}\META-INF\ra.xml</raXmlFile> </configuration> </plugin> </plugins> </build> </project>

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  • Internationalization of static pages with Rails

    - by Gavin
    I feel like I'm missing something really simple and I keep spinning my wheels on this problem. I currently have internationalization working throughout my app. The translations work and the routes work perfectly. At least, most of the site works with the exception of the routes to my two static pages, my "About" and "FAQ" pages. Every other link throughout the app points to the proper localized route. For example if I select "french" as my language, links point to the appropriate "(/:locale)/controller(.:format)." However, despite the changes I make throughout the app my links for the "About" and "FAQ" refuse to point to "../fr/static/about" and always point to "/static/about." To make matters stranger, when I run rake routes I see: "GET (/:locale)/static/:permalink(.:format) pages#show {:locale=/en|fr/}" and when I manually type in "../fr/static/about" the page translates perfectly. My Routes file: devise_for :users scope "(:locale)", :locale => /en|fr/ do get 'static/:permalink', :controller => 'pages', :action => 'show' resources :places, only: [:index, :show, :destroy] resources :homes, only: [:index, :show] match '/:locale' => 'places#index' get '/'=>'places#index',:as=>"root" end My ApplicationController: before_filter :set_locale def set_locale I18n.locale=params[:locale]||I18n.default_locale end def default_url_options(options={}) logger.debug "default_url_options is passed options: #{options.inspect}\n" { :locale => I18n.locale } end and My Pages Controller: class PagesController < ApplicationController before_filter :validate_page PAGES = ['about_us', 'faq'] def show render params[:permalink] end def validate_page redirect_to :status => 404 unless PAGES.include?(params[:permalink]) end end I'd be very grateful for any help ... it's just been one of those days. Edit: Thanks to Terry for jogging me to include views. <div class="container-fluid nav-collapse"> <ul class="nav"> <li class="dropdown"> <a href="#" class="dropdown-toggle" data-toggle="dropdown"><%= t(:'navbar.about') %><b class="caret"></b></a> <ul class="dropdown-menu"> <li><%=link_to t(:'navbar.about_us'), "/static/about_us"%></li> <li><%=link_to t(:'navbar.faq'), "/static/faq"%></li> <li><%=link_to t(:'navbar.blog'), '#' %></li> </ul> </li>

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  • Hierarchy as grid

    - by seesharp
    I have hierarchy: public class Parameter { public string Name { get; set; } public Value Value { get; set; } } public abstract class Value { } public class StringValue : Value { public string Str { get; set; } } public class ComplexValue : Value { public ComplexValue() { Parameters = new List<Parameter>(); } public List<Parameter> Parameters { get; set; } } /// Contains ComplexValue public class ComplexParameter : Parameter { } And XAML with templates <Window.Resources> <DataTemplate DataType="{x:Type pc:Parameter}"> <Grid> <Grid.ColumnDefinitions> <ColumnDefinition/> <ColumnDefinition/> </Grid.ColumnDefinitions> <Label Grid.Column="0" Content="{Binding Name}"/> <ContentPresenter Grid.Column="1" Content="{Binding Value}"/> </Grid> </DataTemplate> <DataTemplate DataType="{x:Type pc:ComplexParameter}"> <StackPanel> <Label Content="{Binding Name}"/> <ContentControl Margin="18,0,0,0" Content="{Binding Value}"/> </StackPanel> </DataTemplate> <DataTemplate DataType="{x:Type pc:ComplexValue}"> <ItemsControl ItemsSource="{Binding Parameters}"/> </DataTemplate> <DataTemplate DataType="{x:Type pc:StringValue}"> <TextBox Text="{Binding Str}"/> </DataTemplate> </Window.Resources> This look like: Param1 -Control---- Param2 -Control---- Complex1 Sub Param1 -Control- Sub Param2 -Control- Or image here: freeimagehosting.net/uploads/9d438f52e7.png Question How to do indent only in left column (parameter names). Something like this: Param1 -Control---- Param2 -Control---- Complex1 Sub Param1 -Control---- Sub Param2 -Control---- Or image here: freeimagehosting.net/uploads/4ab3045b75.png

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