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  • PlayFramework with Scala and Morphia

    - by AKRamkumar
    I keep getting this exception: Oops: CannotCompileException An unexpected error occured caused by exception CannotCompileException: [source error] ds() not found in models.dc What is wrong with my code? Here is models.ds package models import com.google.code.morphia.annotations._ @Embedded class ds{ @Indexed var xs : Double=0 @Indexed var xc : Double=0 @Indexed var ys : Double=0 @Indexed var yc : Double=0 @Indexed var zs : Double=0 @Indexed var zc : Double=0 } Here is models.dc package models import com.google.code.morphia.annotations.{Embedded, Entity, Indexed} @Entity class dc{ @Indexed var name : String = null @Embedded var summary : ds = new ds() }

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  • How to create a certificate for signing a Silverlight xap

    - by jstawski
    Hello everyone, I have a silverlight app that will be installed OOB with full trust and hence i want to create a certificate to sign the app. Since I'm going to have full control of the clients where the app will be installed I don't need to buy a certificate, because I know that I can create one and install it in the Trusted Root Certification Authority. Can someone please post a step by step on how to create the certificate so it can be used to sign the XAP. Thanks...

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  • many1 no longer works with Parsec 3.x

    - by Zak
    After updating to Parsec 3.1 from 2.x, code using many1, such as word = many1 letter fails with No instance for (Stream s m Char) arising from a use of `letter' I found a mailing list post claiming that adding {-#LANGUAGE NoMonomorphismRestriction #-} to the top of the source file would solve the problem, but it did not.

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  • Design crowd sourcing

    - by CVertex
    I'm looking to get a logo designed, but all my designer friends/colleagues are pretty busy. Since I've never done it before, I thought it would be interesting to crowd source the design. Does anyone know of any good design crowd sourcing sites?

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  • IronPython and Nodebox in C#

    - by proxylittle
    My plan: I'm trying to setup my C# project to communicate with Nodebox to call a certain function which populates a graph and draws it in a new window. Current situation: [fixed... see Update2] I have already included all python-modules needed, but im still getting a Library 'GL' not found it seems that the pyglet module needs a reference to GL/gl.h, but can't find it due to IronPython behaviour. Requirement: The project needs to stay as small as possible without installing new packages. Thats why i have copied all my modules into the project-folder and would like to keep it that or a similar way. My question: Is there a certain workaround for my problem or a fix for the library-folder missmatch. Have read some articles about Tao-Opengl and OpenTK but can't find a good solution. Update1: Updated my sourcecode with a small pyglet window-rendering example. Problem is in pyglet and referenced c-Objects. How do i include them in my c# project to be called? No idea so far... experimenting alittle now. Keeping you updated. SampleCode C#: ScriptRuntimeSetup setup = Python.CreateRuntimeSetup(null); ScriptRuntime runtime = new ScriptRuntime(setup); ScriptEngine engine = Python.GetEngine(runtime); ScriptSource source = engine.CreateScriptSourceFromFile("test.py"); ScriptScope scope = engine.CreateScope(); source.Execute(scope); SampleCode Python (test.py): from nodebox.graphics import * from nodebox.graphics.physics import Vector, Boid, Flock, Obstacle flock = Flock(50, x=-50, y=-50, width=700, height=400) flock.sight(80) def draw(canvas): canvas.clear() flock.update(separation=0.4, cohesion=0.6, alignment=0.1, teleport=True) for boid in flock: push() translate(boid.x, boid.y) scale(0.5 + boid.depth) rotate(boid.heading) arrow(0, 0, 15) pop() canvas.size = 600, 300 def main(canvas): canvas.run(draw) Update2: Line 139 [pyglet/lib.py] sys.platform is not win32... there was the error. Fixed it by just using the line: from pyglet.gl.lib_wgl import link_GL, link_GLU, link_WGL Now the following Error: 'module' object has no attribute '_getframe' Kind of a pain to fix it. Updating with results... Update3: Fixed by adding following line right after first line in C#-Code: setup.Options["Frames"] = true; Current Problem: No module named unicodedata, but in Python26/DLLs is only a *.pyd file`. So.. how do i implement it now?!

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  • ASP.NET WebForms vs MVC [after VS2010/.NET 4.0 announcement]

    - by fjxx
    Two of the biggest advantages of MVC over webforms were non-existent viewstate and URL routing. VS2010 and .NET 4.0 incorporates built-in URL routing for Webforms as well as better control for viewstate. I advocate use of MVC for extranet sites due to the MVC design pattern and its general lightweight nature but in light of this new announcement has Webforms closed the gap? Why would you still pick MVC over Webforms? Thanks

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  • advanced opensource iphone applications for developers

    - by Naveen
    The appstore does not allow your app out of a sandbox or allow it an interpreter. But is there any issue with distributing open source apps that run arbitrary code, and let iphone developers install them on their own development devices using xcode itself ? Also, is there anything you can not do with xcode that you may be able to do with ssh after jailbreaking ?

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  • ListView containing Bitmaps with Zoom Animation in WPF

    - by Ashish Ashu
    I have a simple requirement as mentioned below: A ListView or any control displays list of bitmaps/images. When user mouse hovers on any bitmap that bitmap zoomed to show that is currently selected. Since I have to provide drag drop operations and click operation that why I taken the list view. Pleas help!! It will be great if any body provide the xaml to this..

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  • How to set the location of a WPF window?

    - by Ashish Ashu
    I have a List View in which I have defined a custom cell as a user control. In the custom cell I given user hyperlink, I am showing a WPF dialog when user clicks on a hyperlink. I want WPF dialog comes just above the hyperlink.. Please let me know how can I acheive this or how to set the location of the dialog so that it just comes above the hyperlink.

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  • directshow Renderstream fails with grayscale bitmaps

    - by Roey
    Hi all. I'm trying to create a directshow graph to playback a video composed of 8bit grayscale bitmaps. (using directshow.net.) I'm using a source filter and the vmr9 renderer. The source filter's output pin is defined using the following code : bmi.Size = Marshal.SizeOf(typeof(BitmapInfoHeader)); bmi.Width = width; bmi.Height = height;; bmi.Planes = 1; bmi.BitCount = (short)bitcount; bmi.Compression = 0; bmi.ImageSize = Math.Abs(bmi.Height) * bmi.Width * bmi.BitCount / 8; bmi.ClrUsed = bmi.BitCount <= 8 ? 256 : 0; bmi.ClrImportant = 0; //bmi.XPelsPerMeter = 0; //bmi.YPelsPerMeter = 0; bool isGrayScale = bmi.BitCount <= 8 ? true : false; int formatSize = Marshal.SizeOf(typeof(BitmapInfoHeader)); if (isGrayScale == true) { MessageWriter.Log.WriteTrace("Playback is grayscale."); /// Color table holds an array of 256 RGBQAD values /// Those are relevant only for grayscale bitmaps formatSize += Marshal.SizeOf(typeof(RGBQUAD)) * bmi.ClrUsed; } IntPtr ptr = Marshal.AllocHGlobal(formatSize); Marshal.StructureToPtr(bmi, ptr, false); if (isGrayScale == true) { /// Adjust the pointer to the beginning of the /// ColorTable address and create the grayscale color table IntPtr ptrNext = (IntPtr)((int)ptr + Marshal.SizeOf(typeof(BitmapInfoHeader))); for (int i = 0; i < bmi.ClrUsed; i++) { RGBQUAD rgbCell = new RGBQUAD(); rgbCell.rgbBlue = rgbCell.rgbGreen = rgbCell.rgbRed = (byte)i; rgbCell.rgbReserved = 0; Marshal.StructureToPtr(rgbCell, ptrNext, false); ptrNext = (IntPtr)((int)ptrNext + Marshal.SizeOf(typeof(RGBQUAD))); } } This causes Renderstream to return "No combination of intermediate filters could be found to make the connection." Please help! Thanks.

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  • Hide overflow in Silverlight TextBox

    - by chrisbz
    I have a Silverlight TextBox control that is inside of a Grid column with the width set to 'Auto', so the TexBox's width expands/contracts with the browser window is resized. Unfortunately, when the number of characters entered into the textbox exceeds the textbox's width, the textbox grows to accommodate it. Are there any properties that can be applied to the textbox that will force it to not expand with the number of characters inside of it? Thanks.

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  • What's your take on the programming language Go?

    - by fbrereto
    I've just been told about a new programming language, Go, developed at Google by such notables as Ken Thompson and Rob Pike. Does anyone have any experience with it so far? What are your thoughts about how viable small- and large-scale applications could be developed with it? Relevant links (thanks to Lance Roberts; feel free to update these as necessary): Ars-Technica PC World Google Open Source Blog Tech Talk Video Go Mailing List

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  • Plane projection and scale causing bluring in silverlight

    - by Andy
    Ok, So I've tried to make an application which relies on images being scaled by an individual factor. These images are then able to be turned over, but the use of an animation working on the ProjectionPlane rotation. The problem comes around when an image is both scaled and rotated. For some reason it starts bluring, where a non scaled image doesn't blur. Also, if you look at the example image below (top is scaled and rotated, bottom is rotated) the projection of the top one doesn't even seem right. Its too horizontal. This this the code for the test app: <UserControl x:Class="SilverlightApplication1.Page" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Width="400" Height="300"> <Canvas x:Name="LayoutRoot" Background="White"> <Border Canvas.Top="25" Canvas.Left="50"> <Border.RenderTransform> <TransformGroup> <ScaleTransform ScaleX="3" ScaleY="3" /> </TransformGroup> </Border.RenderTransform> <Border.Projection> <PlaneProjection RotationY="45"/> </Border.Projection> <Image Source="bw-test-pattern.jpg" Width="50" Height="40"/> </Border> <Border Canvas.Top="150" Canvas.Left="50"> <Border.RenderTransform> <TransformGroup> <ScaleTransform ScaleX="1" ScaleY="1" /> </TransformGroup> </Border.RenderTransform> <Border.Projection> <PlaneProjection RotationY="45"/> </Border.Projection> <Image Source="bw-test-pattern.jpg" Width="150" Height="120"/> </Border> </Canvas> </UserControl> So if anyone could possible shed any light on why this may be happening, I'd very much appreciate it. Suggestions also welcome! :)

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  • null value exception thrown when deserializing null value JSON.net

    - by Bharath
    Hi Friends I am trying to deserialize a hidden control field into a json object the code is as follows Dim settings As New Newtonsoft.Json.JsonSerializerSettings() settings.NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore Return Newtonsoft.Json.JsonConvert.DeserializeObject(Of testContract)(txtHidden.Text, settings) But I am getting the following exception. value cannot be null parameter name s: I even added the following lines but it still does not work out. Please help settings.MissingMemberHandling = Newtonsoft.Json.MissingMemberHandling.Ignore settings.ReferenceLoopHandling = Newtonsoft.Json.ReferenceLoopHandling.Ignore settings.ObjectCreationHandling = Newtonsoft.Json.ObjectCreationHandling.Replace Thanks Bharath

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  • System.Web.HttpException on asp:gridview pagination

    - by Carlos Muñoz
    I have the following <asp:gridview> with one one TemplateField. En each cell there is an image with a link and a text with a link. It has AllowPaging=True This is the gridview: <asp:GridView ID="gvExperiencias" runat="server" AllowPaging="True" GridLines="None" ShowHeader="False" AutoGenerateColumns="False" Width="650px" PageSize="4" OnDataBinding="gvExperiencias_DataBinding" OnPageIndexChanging="gvExperiencias_PageIndexChanging"> <PagerSettings Mode="NumericFirstLast" FirstPageImageUrl="~/images/fle_pag_izq.gif" LastPageImageUrl="~/images/fle_pag_der.gif" NextPageImageUrl="~/images/fle_pag_der.gif" PreviousPageImageUrl="~/images/fle_pag_izq.gif" Position="TopAndBottom" PageButtonCount="4" FirstPageText="" LastPageText="" NextPageText="" PreviousPageText=""></PagerSettings> <Columns> <asp:TemplateField> <ItemTemplate> <div id="it_0" class="new_solo_exp_ini"> <asp:HyperLink ID="a_0" runat="server" NavigateUrl='<%# "experiencia.aspx?cod_cod=" + Eval("tttb_articulo_relacion_0.ARTCOD_ARTREL") + "&pag=" + pag + "&grp=" + Eval("idiocod_cod_idi_0") + "&cod="+cod %>' Visible='<%# Eval("NotEmpty_0") %>'> <asp:Image ID="Image_0" runat="server" Height="88px" ImageUrl='<%# Eval("arigls_nom_img_0","~/ArchivosUsuario/1/1/Articulos/{0}") %>' Width="88px" CssClass="new_image_exp_ini" /> </asp:HyperLink> <div class="new_vineta_tit_exp_ini"> <asp:HyperLink ID="HyperLink_0" runat="server" NavigateUrl='<%# "experiencia.aspx?cod_cod=" + Eval("tttb_articulo_relacion_0.ARTCOD_ARTREL") + "&pag=" + pag + "&grp=" + Eval("idiocod_cod_idi_0") + "&cod="+cod %>' Text='<%# Bind("arigls_tit_0") %>'> </asp:HyperLink> </div> </div> </ItemTemplate> </asp:TemplateField> </Columns> <PagerStyle CssClass="new_pag_bajo_exp_ini" /> <RowStyle CssClass="new_fila_exp_ini" /> </asp:GridView> When I click the last button or the ... it goes to the corresponding page but when i click on a previous page i get the following errror: An Error Has Occurred Because A Control With Id $ContentPlaceHolder1$gvExperiencias$ctl01$ctl01' Could Not Be Located Or A Different Control Is assigned to the same ID after postback. If the ID is not assigned, explicitly set the ID property of controls that raise postback events to avoid this error. So the pager does not work correctly. I think it's because of the Image's Id that has to be generated dinamically but i don't know how to do it. Can someone help me?

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  • Custom SpinBoxField example

    - by redwoolf
    I'm attempting to build a custom SpinBoxField on the Blackberry that displays an icon next to text. I've been unable to find any example code. Subclassing drawRow, get, and getCount() have got me part of the way there, but my implementation still doesn't look or work like the TextSpinBoxField in the RIM Blackberry library. Has anyone source code for such a field that they would be willing to share here?

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  • Howto query arp table on iPhone?

    - by anthony vage
    Hi, i am new on iPhone development. I want to integrate wake on lan into my app without squeezing my users to enter the computers mac adress when the ip is already known. I googled for about some hours, take the source code of apples arp tool but i don't know howto manage this on iPhone. I am grateful for any help. Thanks! anthonyvage

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  • Pentaho vs SAP Business Objects

    - by arturito
    Is there anyone out there that used these two technologies and could give me some comparison in the form of advantages and disadvantages of both? I'm currently working with BO and I have heard that open source Pentaho does pretty good job as well. Thanks in advance!

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  • how to crop an image using rectangale overlay and touch on iphone

    - by Amir
    Hey Everyone, I am looking for a good tutorial or sample code, that would show how to crop an image taking from iphone camera something in lines of http://www.defusion.org.uk/code/javascript-image-cropper-ui-using-prototype-scriptaculous/ but you would control the corners with your fingers any tip would be greatly appericated, as i am new to iphone dev. Thanks, Amir

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