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  • wcf data service security configuration

    - by Daniel Pratt
    I'm in the process of setting up a WCF Data Services web service and I'm trying to sort out the security configuration. Although there's quite a lot of documentation out there for configuring WCF security, a lot of it seems to be outmoded or does not apply to my scenario. Ultimately, I am planning on managing authorization of operations via change interceptors. Thus, all I really need is the simplest way to permit a client to pass credentials along with a request and to be able to authenticate those credentials against either AD or an ASP.NET membership provider (I'd much prefer the latter unless it makes things much more complicated). I'm intending to manage encryption at the transport level (i.e. HTTPS). I'm hoping that the eventual solution does not involve a huge web.config. Likewise, I'd much prefer to avoid writing custom code for the purpose of authentication.

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  • microphone volume control from javascript

    - by paleozogt
    I'd like to be able to control the system microphone volume from the browser. I know that the microphone can be recorded from using Flash or Silverlight, but these don't allow control of the microphone volume. (Flash has Microphone.gain, but as its just a software multiplier, it doesn't help when the system mic volume is muted or too loud.) I've heard that HTML5 will have some sort of microphone access, but whether it will allow volume control is unclear to me. At any rate, I don't think any browsers support it yet. Are there any plugins that would allow volume control? The old Google Gears project has some AudioApi docs, though these don't seem to have made it into the actual plugin. There's also the Google Talk plugin- it seems to do some kind of gain control, but its unclear if there's an api to the plugin. Perhaps there's a draft HTML5 implementation plugin for microphone access (like indexeddb, for example)?

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  • Odd Drag and drag bug in nested attributes Rails

    - by Senthil
    I've got this weird bug when trying to use drag and drag for two models (one nested within another). I've a category model which has many apps. In my category index page, I tried use "content_tag_for" to sort categories and apps within each category. But for some odd reason only the first element has drag, drop enabled. I can drag and drop categories all I want, but I can't drag the app in the second category, just the first category. Copy and paste gets ridiculously hopeless with HAML, so here's a Pastie instead. I made a sample app on heroku for you to check out here. Drag and drag work for both category and app, so I'm guessing it has to do something with the ul or li. Any help is appreciated. Thanks.

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  • GetWindowPlacement/SetWindowPlacement not working in WinForms for high DPI

    - by RandomEngy
    I've got a legacy WinForms app and I want to save the window position and size across sessions. I've been using GetWindowPlacement and SetWindowPlacement during the FormClosing and Load events. The problem I'm getting is that at higher DPI settings (Such as Medium, size at 125%) the sizes keep inflating. I'll call SetWindowPlacement on it with a certain size, but when GetWindowPlacement is called, those numbers come back 25% bigger, even though the window was the same size all along. The same sort of problem exists when saving the size of a resizable element within the form. Now this works fine if I create a new WinForms project: The size stays stable even when running at the higher DPI. I'm guessing there's some legacy setting in the bowels of the project or some arcane Form setting that's messing it up, but I can't find out where. I've called IsProcessDPIAware on both projects and both are true. Does anyone know what might be causing this?

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  • Streaming input to System.Speech.Recognition.SpeechRecognitionEngine

    - by spurserh
    I am trying to do "streaming" speech recognition in C# from a TCP socket. The problem I am having is that SpeechRecognitionEngine.SetInputToAudioStream() seems to require a Stream of a defined length which can seek. Right now the only way I can think to make this work is to repeatedly run the recognizer on a MemoryStream as more input comes in. Here's some code to illustrate: SpeechRecognitionEngine appRecognizer = new SpeechRecognitionEngine(); System.Speech.AudioFormat.SpeechAudioFormatInfo formatInfo = new System.Speech.AudioFormat.SpeechAudioFormatInfo(8000, System.Speech.AudioFormat.AudioBitsPerSample.Sixteen, System.Speech.AudioFormat.AudioChannel.Mono); NetworkStream stream = new NetworkStream(socket,true); appRecognizer.SetInputToAudioStream(stream, formatInfo); // At the line above a "NotSupportedException" complaining that "This stream does not support seek operations." Does anyone know how to get around this? It must support streaming input of some sort, since it works fine with the microphone using SetInputToDefaultAudioDevice(). Thanks, Sean

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  • Silverlight RIA Services. Query fails on large table but works with Where clause

    - by FauxReal
    I have a somewhat large table, maybe 2000 rows by 50 columns. When using the most basic imaginable RIA implementation. Create one-table Model Create DomainService Drop datagrid onto MainPage.xaml Drop datasource onto datagrid Ctrl-F5 I get this error: System.ServiceModel.DomainServices.Client.DomainOperationException: Load operation faild for query. Value cannot be null. Error is much larger, but thats the beginning of it. The weird thing is that if I narrow the results down with a where clause on the GetQuery, it works fine. In fact six different querys which together result in all of the rows being called works fine also. So basically, I'm sure its not some sort of rogue row. Why do I get this "Value cannot be null" error if I query the whole table? Thanks

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  • Creating a user-defined code generation system in PHP

    - by user270766
    My newest project that I'm looking to build with CodeIgniter would require some sort of system that would allow a user to drag and drop pre-defined functions/methods into mini-classes/objects and then run/test them in the browser. So it'd something similar to Scratch. I've designed a relational database that I think could work for this (storing the function names and have these classes "subscribe" to those functions) - but I'm wondering whether or not to go ahead with it. Is there a better way to do this or is there a system out there that would accomplish this for me? EDIT: It would have to be extremely simple for an end user, but hopefully be flexible enough to easily add more complex functionality in the future.

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  • Best approach to convert XML to RDF/XML using an ontology

    - by krisvandenbergh
    I have an XML which uses the XPDL standard (which has an XML schema). What I'm trying to do now is to convert its content to RDF format (serialized in XML), in terms of a certain ontology. Clearly, there needs to be some sort of mapping here. I would like to do this using PHP. The thing is, I have no idea how to do this best. I know how to read an XML file, but how would the mappings occur? What would be a good approach?

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  • Are there alternatives to UltraWinGrid (for C#)?

    - by MPelletier
    I've been using the Infragistics UltraWinGrid for a while in a C# project, and while it's very spiffy, it is sometimes a bit heavy to run (and editing it in Visual Studio can be hazardous). I'm looking for a lighter alternative. Looks (always a big plus with Infragistics) are not as important as functionality. Namely, I'm looking for a beefed up DataGridView which: has data binding (duh!) has lock control over editing allows for sub-tables on opening a row can have multiple headers to group columns together (say header 1 is composed of "Group A" and "Group B", and header 2 has various columns under each group) has sorting by column (and can sort numbers properly, even if it does not have a stock method at first) has filtering by column (perhaps the most demanding spec) à la UltraWinGrid/Excel (text field with a way to specify if the filter is equal, not equal, greater, lesser, starts with, ends with, etc). supports check box, text box or data bound list/combo box cells allows cells to be merged (not the control cells of course!) can have events bound to each row (say double click)

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  • access following entry in a form_for, and switch a value between two entry of my DB

    - by Sylario
    I am displaying a list of articles. I sort my articles by the param order, and i want, when displaying the list of article to be able to "move" them up or down. In php i do everything with a for browsing my array of results and inside the for i go to the next index to find where i am in the list, and with wich other article i must swap my order. I can do that in the script displaying the edit page and then in the script executing the update. In rails i have only my form_for in my erb. How can i : Know if my entry is the last one or the first one(display only V for the first, ^ for the last and V^ for the rest) Update my DB entry by switching the order value between the article that i want to lower, raise, and the one he is taking the place.

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  • WPF assign Z-Order of owned windows without changing focus.

    - by Kamiikoneko
    Hi, Due to OpenGL airspace issues I have several windows that are owned by the main window but look and act like controls. I also have some data readout/sort windows that show real-time data and need to be normal floating windows, also owned by the main window so that they remain floating above the main window even while operations are performed in the main window. The issue: I open a data readout window (normal window) and am watching data change. Then I click on a text box to enter a value in one of the windows that acts as a control due to airspace issues, and it becomes activated, covering up my data readout window. This is bad because the airspace window is supposed to act like it is part of the main window. I tried some tricks with Activation and Deactivation, and it looks ok but then editing the airspace window at all is impossible because WPF only lets me edit the activated window. How can I ask that normal data readout window to please stay above all other windows owned by the main window, but still let other windows receive focus?

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  • Ruby GUI (non-complex layouts)

    - by Ruby Novice
    I've done quite a bit of research on Ruby GUI design, and it appears to be the one area where Ruby tends to be behind the curve. I've explored the options of MonkeyBars, wxRuby, fxRuby, Shoes, etc. and was just wanted to get some input from the Ruby community. While they're definitely usable, the development on each seems to have fallen off. There is not a great deal of useful documentation or user bases that I could find on any (minus the fxRuby book). I'm just looking to make a simple GUI, so I don't really want to spend hundreds of hours learning the intricacies of the more complex tools or attempt to use something that is no longer even being developed (Shoes is the type of application I'm looking for, but it's extremely buggy and not being actively developed.) Out of all of the options, which would you guys recommend as being the quickest to pick up and that still has some sort of development base? Thanks!

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  • Awk to grab colo(u)r codes from CSS files aka School me in Awk

    - by Andrew Bolster
    Nice and (hopefully) easy. I am trying to work out how to grab the variable #XXX from a text file (css file) containing strings like hr { margin: 18px 0 17px; border-color: #ccc; } h1 a:hover, h2 a:hover, h3 a:hover { color: #001100; } Which I would like to return as ccc 777 The plan then is to throw this through sort and uniq and the end up with a defining colourscheme for the page. Basically, I can't work out how to go from matching /color:#...[...]/ to just printing out the wildcarded sections.

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  • Sorting in SSRS Reports overriding Group sorting

    - by Siva
    I am new to SSRS (2005) and am creating my first report. I need to create a group-based running value but is sorted or some other field. For example, from the data below |Employee| Day |Hours|Salary| |E1 | 1.1 | 5 | 5 | |E2 | 1.2 | 6 | 6 | |E3 | 1.3 | 7 | 7 | |E2 | 2.1 | 6 | 12 | |E1 | 2.2 | 5 | 10 | |E3 | 2.3 | 7 | 14 | |E3 | 3.1 | 7 | 21 | |E2 | 3.2 | 6 | 18 | I am calculating the salary to be a running value on hours grouped by employee, which works fine. The problem is I want the report to be sorted on the Day column. If I use the Day as a sorting criteria in the employee group, the report is grouped on the employee, but within the group, the data is sorted on the Day column. Is there a way to build the report and then finally sort the report on the day column ? Please let me know in case I am unclear. Thanks a lot! Siva.

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  • xpath query in a servlet gives exception

    - by user1401071
    I have a Document object initialized in the init() method of the servlet and use it in the doPost() method to service the requests. selectNodeList() xpath query gives exception when the servlet services many request at same time. The Exception is shown below: Caused by: javax.xml.transform.TransformerException: -1 at org.apache.xpath.XPath.execute(XPath.java:331) at org.apache.xpath.CachedXPathAPI.eval(CachedXPathAPI.java:328) at org.apache.xpath.CachedXPathAPI.selectNodeList(CachedXPathAPI.java:255) at org.apache.xpath.CachedXPathAPI.selectNodeList(CachedXPathAPI.java:235) at com.pro.bb.servlets.Controller.getDataOrPeriodForReport(Controller.java:511) ... 23 more Caused by: java.lang.ArrayIndexOutOfBoundsException: -1 at org.apache.xpath.XPathContext.pushCurrentNode(XPathContext.java:808) at org.apache.xpath.axes.PredicatedNodeTest.acceptNode(PredicatedNodeTest.java:447) at org.apache.xpath.axes.AxesWalker.nextNode(AxesWalker.java:409) at org.apache.xpath.axes.WalkingIterator.nextNode(WalkingIterator.java:176) at org.apache.xpath.axes.NodeSequence.nextNode(NodeSequence.java:320) at org.apache.xpath.axes.NodeSequence.runTo(NodeSequence.java:474) at org.apache.xpath.axes.NodeSequence.setRoot(NodeSequence.java:257) at org.apache.xpath.axes.LocPathIterator.execute(LocPathIterator.java:257) at org.apache.xpath.XPath.execute(XPath.java:308) Help me sort out the issue.

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  • Ignoring 'A' and 'The' when sorting with XSLT

    - by ChrisV
    I would like to have a list sorted ignoring any initial definite/indefinite articles 'the' and 'a'. For instance: The Comedy of Errors Hamlet A Midsummer Night's Dream Twelfth Night The Winter's Tale I think perhaps in XSLT 2.0 this could be achieved along the lines of: <xsl:template match="/"> <xsl:for-each select="play"/> <xsl:sort select="if (starts-with(title, 'A ')) then substring(title, 2) else if (starts-with(title, 'The ')) then substring(title, 4) else title"/> <p><xsl:value-of select="title"/></p> </xsl:for-each> </xsl:template> However, I want to use in-browser processing, so have to use XSLT 1.0. Is there any way to achieve this in XLST 1.0?

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  • Why is -[UISwitch superlayer] being called?

    - by Jonathan Sterling
    I've got sort of a crazy thing going on where I have an NSProxy subclass standing in for a UISwitch. Messages sent to the proxy are forwarded to the switch. Please don't comment on whether or not this is a good design, because in context, it makes sense as an incredibly cool thing. The dealio is that when I try to add this object as an accessory view to a UITableViewCell, I get the following crash: Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*** -[UISwitch superlayer]: unrecognized selector sent to instance 0x5889740' Yes, I could just set the proxy's target as the accessory view, but then I would have to keep track of the proxy so that I could release it at the right time. So, what I really want is to be able to have the proxy retained by the table cell, and released when it is removed from the view just like a normal accessory view. So, why is -[UISwitch superlayer] (a method which does not exist) being called, and how do I save the world?

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  • Linq-to-SQL statement issue

    - by Anicho
    I am basically looking to bind a search query to a gridview which is nice, but this must be done by a users input query (sort of like a search function). I can get single values and rows returned, but how would I get it to search all columns in my database for the inputted values and return it? My code so far is: Void SearchFunction() { TiamoDataContext context = new TiamoDataContext(); var search = from p in context.UserProfiles where = p.DanceType == UserSearchString select p; UserSearchGrid.DataSource = search; UserSearchGrid.DataBind(); } I tried p.equals but am pretty sure thats not the way to go about it.

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  • Is this the correct way of speaking to a "Content Manager" Class?

    - by DeanMc
    I am creating a silverlight site. I am currently breaking out my ideas into pieces of functionality. One of the idea's I have is the concept of a content manager. This is essentially a UI control with 4 regions. Top, Bottom, Right & Left. I also have a collection of objects that are considered "Menu Items". These are controls that function as a way to navigate around, similar to links. The idea I have is to implement an IMenuItem interface. Among the standard pieces of information (Text, PageReference, etc) I was also going to hold a reference to the content manager. My idea behind this thinking is that I can pass the PageReference to a property on the ContentManager and then call a method which knows how to update the content manager accordingly. Is this the best way of implementing this or is their some sort of pattern for it?

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  • How to aggregate bindings in Silverlight UserControl

    - by Peter Wone
    Imagine a UserControl containing some sort of ItemsControl. The UserControl as a whole has a DataContext, but you also need to expose the ItemsSource of the ItemsControl. I have tried all manner of arrangements, and eventually passed a DomainDataSource as a UserControl dependency property named DDS, and bound the ItemsControl like this: ItemsSource="{Binding DDS.Data, ElementName=userControl}" It works, but this is mucky, and with Silverlight mucky is nearly always a sign of incorrect approach. Your advice is sought. It looks like multi-bindings might be the answer to this.

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  • Data refresh and drill down problem with SSAS cube and excel services

    - by chaitanya
    I have a SSAS cube which I am using in an excel document, prepare a report which has drill-down etc and i am publishing it to a sharepoint site. It gets published alright but when I try to drill down it throws an error "Data Refresh failed" etc.The data source and the sharpoint site are on the same machine(running windows server 2008) and we have windows authentication running. From what I have been able to find on the internet there is a problem with passing the windows authentication credentials to the database etc.But I have not been able to find the exact way to sort out these problem. What is the solution for this????

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  • VB.NET GroupBy LINQ statement

    - by Jason
    I am having a bear of a time getting this to work. I have a List(Of MyItem) called Items that have a OrderId property on them. From those items, I want to create a list of Orders. Some items will have the same OrderId so I want to try to group by OrderId. I then want to sort by date. Here's what I have so far: Public ReadOnly Property AllOrders() As List(Of Order) Get Return Items.Select(Function(i As MyItem) New Order(i.OrderID)) _ .GroupBy(Function(o As Order) New Order(o.OrderID)) _ .OrderBy(Function(o As Order) o.DateOrdered).ToList End Get End Property This, of course, doesn't compile, and I get the error: Value of type 'System.Collections.Generic.List(Of System.Linq.IGrouping(Of Order, Order))' cannot be converted to 'System.Collections.Generic.List(Of Order))' I've bolded the part where I think the problem is, but I have no idea how to fix it. Also, it used to work fine (except there were duplicate values) before I added the .GroupBy statement. Anyone have any ideas? Thanks

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  • Best Practices - Data Annotations vs OnChanging in Entity Framework 4

    - by jptacek
    I was wondering what the general recommendation is for Entity Framework in terms of data validation. I am relatively new to EF, but it appears there are two main approaches to data validation. The first is to create a partial class for the model, and then perform data validations and update a rule violation collection of some sort. This is outlined at http://msdn.microsoft.com/en-us/library/cc716747.aspx The other is to use data annotations and then have the annotations perform data validation. Scott Guthrie explains this on his blog at http://weblogs.asp.net/scottgu/archive/2010/01/15/asp-net-mvc-2-model-validation.aspx. I was wondering what the benefits are of one over the other. It seems the data annotations would be the preferred mechanism, especially as you move to RIA Services, but I want to ensure I am not missing something. Of course, nothing precludes using both of them together. Thanks John

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  • RESTful API Documentation

    - by PartlyCloudy
    I'm going to design a RESTful API soon, thus I need to describe it in order to enable other people to start implementing clients using it. I've looked around a bit, but unfortunately, I've not found any standardized form of describing web-based RESTful services. What I'am looking for is something like JavaDoc, although it don't have to be generated out of any sort of code. I'm also not talking about something like WADL, I rather want to have some human-readable documentation I can hand out. Due to the nature of RESTful web-based services, it should be quite easy to standardize a documentation. It should just list available ressources, corresponding URIs, allowed methods, content-types and describe the availabe actions. Do you have any suggestions therefore? Thanks in advance & Greets

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  • jQuery ajax doesn't work on url without www

    - by steamboy
    The jQuery ajax script below doesn't work on my site if url is without www. I checked Firebug and it doesn't send the ajax call. $.ajax( { type: "POST", url: "http://www.mysite.com/beta/products.php", data: "page_type=index&sort=relevancerank&CartId=<?php echo $CartId;?>&HMAC=<?php echo $HMAC;?>", success: function(msg) { $('#content-holder').html(msg); }, error: function() { alert("An error occurred while updating. Try again in a while"); } });

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