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  • PeopleSoft and Fusion Middleware White Paper

    - by david.bain
    We all know that PeopleTools is a very productive Enterprise Application Platform. It provides business logic, ui, reporting, integration etc.. . . virtually the entire stack. The question many PeopleSoft users have is 'If I have PeopleSoft, what can Fusion Middleware do for me?'. An excellent question. A white paper has just been published that answers that question. It's available on the www.oracle.com/peoplesoft site under the 'White Paper' link. Select the link that says 'Read this White Paper to learn how your PeopleSoft Application can benefit from Oracle Fusion Middleware'. After you've read the paper and are interested in more details, be sure to visit the PeopleSoft - Fusion Middleware Best Practice Center here: http://www.oracle.com/technology/tech/fmw4apps/peoplesoft/index.html

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  • Advanced donut caching: using dynamically loaded controls

    - by DigiMortal
    Yesterday I solved one caching problem with local community portal. I enabled output cache on SharePoint Server 2007 to make site faster. Although caching works fine I needed to do some additional work because there are some controls that show different content to different users. In this example I will show you how to use “donut caching” with user controls – powerful way to drive some content around cache. About donut caching Donut caching means that although you are caching your content you have some holes in it so you can still affect the output that goes to user. By example you can cache front page on your site and still show welcome message that contains correct user name. To get better idea about donut caching I suggest you to read ScottGu posting Tip/Trick: Implement "Donut Caching" with the ASP.NET 2.0 Output Cache Substitution Feature. Basically donut caching uses ASP.NET substitution control. In output this control is replaced by string you return from static method bound to substitution control. Again, take a look at ScottGu blog posting I referred above. Problem If you look at Scott’s example it is pretty plain and easy by its output. All it does is it writes out current user name as string. Here are examples of my login area for anonymous and authenticated users:    It is clear that outputting mark-up for these views as string is pretty lame to implement in code at string level. Every little change in design will end up with new version of controls library because some parts of design “live” there. Solution: using user controls I worked out easy solution to my problem. I used cache substitution and user controls together. I have three user controls: LogInControl – this is the proxy control that checks which “real” control to load. AnonymousLogInControl – template and logic for anonymous users login area. AuthenticatedLogInControl – template and logic for authenticated users login area. This is the control we render for each user separately because it contains user name and user profile fill percent. Anonymous control is not very interesting because it is only about keeping mark-up in separate file. Interesting parts are LogInControl and AuthenticatedLogInControl. Creating proxy control The first thing was to create control that has substitution area where “real” control is loaded. This proxy control should also be available to decide which control to load. The definition of control is very primitive. <%@ Control EnableViewState="false" Inherits="MyPortal.Profiles.LogInControl" %> <asp:Substitution runat="server" MethodName="ShowLogInBox" /> But code is a little bit tricky. Based on current user instance we decide which login control to load. Then we create page instance and load our control through it. When control is loaded we will call DataBind() method. In this method we evaluate all fields in loaded control (it was best choice as Load and other events will not be fired). Take a look at the code. public static string ShowLogInBox(HttpContext context) {     var user = SPContext.Current.Web.CurrentUser;     string controlName;       if (user != null)         controlName = "AuthenticatedLogInControl.ascx";     else         controlName = "AnonymousLogInControl.ascx";       var path = "~/_controltemplates/" + controlName;     var output = new StringBuilder(10000);       using(var page = new Page())     using(var ctl = page.LoadControl(path))     using(var writer = new StringWriter(output))     using(var htmlWriter = new HtmlTextWriter(writer))     {         ctl.DataBind();         ctl.RenderControl(htmlWriter);     }     return output.ToString(); } When control is bound to data we ask to render it its contents to StringBuilder. Now we have the output of control as string and we can return it from our method. Of course, notice how correct I am with resources disposing. :) The method that returns contents for substitution control is static method that has no connection with control instance because hen page is read from cache there are no instances of controls available. Conclusion As you saw it was not very hard to use donut caching with user controls. Instead of writing mark-up of controls to static method that is bound to substitution control we can still use our user controls.

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  • ASP.NET WebAPI Security 2: Identity Architecture

    - by Your DisplayName here!
    Pedro has beaten me to the punch with a detailed post (and diagram) about the WebAPI hosting architecture. So go read his post first, then come back so we can have a closer look at what that means for security. The first important takeaway is that WebAPI is hosting independent-  currently it ships with two host integration implementations – one for ASP.NET (aka web host) and WCF (aka self host). Pedro nicely shows the integration into the web host. Self hosting is not done yet so we will mainly focus on the web hosting case and I will point out security related differences when they exist. The interesting part for security (amongst other things of course) is the HttpControllerHandler (see Pedro’s diagram) – this is where the host specific representation of an HTTP request gets converted to the WebAPI abstraction (called HttpRequestMessage). The ConvertRequest method does the following: Create a new HttpRequestMessage. Copy URI, method and headers from the HttpContext. Copies HttpContext.User to the Properties<string, object> dictionary on the HttpRequestMessage. The key used for that can be found on HttpPropertyKeys.UserPrincipalKey (which resolves to “MS_UserPrincipal”). So the consequence is that WebAPI receives whatever IPrincipal has been set by the ASP.NET pipeline (in the web hosting case). Common questions are: Are there situations where is property does not get set? Not in ASP.NET – the DefaultAuthenticationModule in the HTTP pipeline makes sure HttpContext.User (and Thread.CurrentPrincipal – more on that later) are always set. Either to some authenticated user – or to an anonymous principal. This may be different in other hosting environments (again more on that later). Why so generic? Keep in mind that WebAPI is hosting independent and may run on a host that materializes identity completely different compared to ASP.NET (or .NET in general). This gives them a way to evolve the system in the future. How does WebAPI code retrieve the current client identity? HttpRequestMessage has an extension method called GetUserPrincipal() which returns the property as an IPrincipal. A quick look at self hosting shows that the moral equivalent of HttpControllerHandler.ConvertRequest() is HttpSelfHostServer.ProcessRequestContext(). Here the principal property gets only set when the host is configured for Windows authentication (inconsisteny). Do I like that? Well – yes and no. Here are my thoughts: I like that it is very straightforward to let WebAPI inherit the client identity context of the host. This might not always be what you want – think of an ASP.NET app that consists of UI and APIs – the UI might use Forms authentication, the APIs token based authentication. So it would be good if the two parts would live in a separate security world. It makes total sense to have this generic hand off point for identity between the host and WebAPI. It also makes total sense for WebAPI plumbing code (especially handlers) to use the WebAPI specific identity abstraction. But – c’mon we are running on .NET. And the way .NET represents identity is via IPrincipal/IIdentity. That’s what every .NET developer on this planet is used to. So I would like to see a User property of type IPrincipal on ApiController. I don’t like the fact that Thread.CurrentPrincipal is not populated. T.CP is a well established pattern as a one stop shop to retrieve client identity on .NET.  That makes a lot of sense – even if the name is misleading at best. There might be existing library code you want to call from WebAPI that makes use of T.CP (e.g. PrincipalPermission, or a simple .Name or .IsInRole()). Having the client identity as an ambient property is useful for code that does not have access to the current HTTP request (for calling GetUserPrincipal()). I don’t like the fact that that the client identity conversion from host to WebAPI is inconsistent. This makes writing security plumbing code harder. I think the logic should always be: If the host has a client identity representation, copy it. If not, set an anonymous principal on the request message. Btw – please don’t annoy me with the “but T.CP is static, and static is bad for testing” chant. T.CP is a getter/setter and, in fact I find it beneficial to be able to set different security contexts in unit tests before calling in some logic. And, in case you have wondered – T.CP is indeed thread static (and the name comes from a time where a logical operation was bound to a thread – which is not true anymore). But all thread creation APIs in .NET actually copy T.CP to the new thread they create. This is the case since .NET 2.0 and is certainly an improvement compared to how Win32 does things. So to sum it up: The host plumbing copies the host client identity to WebAPI (this is not perfect yet, but will surely be improved). or in other words: The current WebAPI bits don’t ship with any authentication plumbing, but solely use whatever authentication (and thus client identity) is set up by the host. WebAPI developers can retrieve the client identity from the HttpRequestMessage. Hopefully my proposed changes around T.CP and the User property on ApiController will be added. In the next post, I will detail how to add WebAPI specific authentication support, e.g. for Basic Authentication and tokens. This includes integrating the notion of claims based identity. After that we will look at the built-in authorization bits and how to improve them as well. Stay tuned.

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  • WIF

    - by kaleidoscope
    Windows Identity Foundation (WIF) enables .NET developers to externalize identity logic from their application, improving developer productivity, enhancing application security, and enabling interoperability. It is a framework for implementing claims-based identity in your applications. With WIF one can create more secure applications by reducing custom implementations and using a single simplified identity model based on claims. Windows Identity Foundation is part of Microsoft's identity and access management solution built on Active Directory that also includes: · Active Directory Federation Services 2.0 (formerly known as "Geneva" Server): a security token service for IT that issues and transforms claims and other tokens, manages user access and enables federation and access management for simplified single sign-on · Windows CardSpace 2.0 (formerly known as Windows CardSpace "Geneva"): for helping users navigate access decisions and developers to build customer authentication experiences for users. Reference : http://msdn.microsoft.com/en-us/security/aa570351.aspx Geeta

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  • Using IP Restrictions with URL Rewrite-Week 25

    - by OWScott
    URL Rewrite offers tremendous flexibility for customizing rules to your environment. One area of functionality that is often desired for URL Rewrite is to allow a large list of approved or denied IP addresses and subnet ranges. IIS’s original IP Restrictions is helpful for fully blocking an IP address, but it doesn’t offer the flexibility that URL Rewrite does. An example where URL Rewrite is helpful is where you want to allow only authorized IPs to access staging.yoursite.com, but where staging.yoursite.com is part of the same site as www.yoursite.com. This requires conditional logic for the user’s IP. This lesson covers this unique situation while also introducing Rewrite Maps, server variables, and pairing rules to add more flexibility. This is week 25 of a 52 week series for the Web Pro. Past and future videos can be found here: http://dotnetslackers.com/projects/LearnIIS7/ You can find this week’s video here.

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  • Allowing Access to HttpContext in WCF REST Services

    - by Rick Strahl
    If you’re building WCF REST Services you may find that WCF’s OperationContext, which provides some amount of access to Http headers on inbound and outbound messages, is pretty limited in that it doesn’t provide access to everything and sometimes in a not so convenient manner. For example accessing query string parameters explicitly is pretty painful: [OperationContract] [WebGet] public string HelloWorld() { var properties = OperationContext.Current.IncomingMessageProperties; var property = properties[HttpRequestMessageProperty.Name] as HttpRequestMessageProperty; string queryString = property.QueryString; var name = StringUtils.GetUrlEncodedKey(queryString,"Name"); return "Hello World " + name; } And that doesn’t account for the logic in GetUrlEncodedKey to retrieve the querystring value. It’s a heck of a lot easier to just do this: [OperationContract] [WebGet] public string HelloWorld() { var name = HttpContext.Current.Request.QueryString["Name"] ?? string.Empty; return "Hello World " + name; } Ok, so if you follow the REST guidelines for WCF REST you shouldn’t have to rely on reading query string parameters manually but instead rely on routing logic, but you know what: WCF REST is a PITA anyway and anything to make things a little easier is welcome. To enable the second scenario there are a couple of steps that you have to take on your service implementation and the configuration file. Add aspNetCompatibiltyEnabled in web.config Fist you need to configure the hosting environment to support ASP.NET when running WCF Service requests. This ensures that the ASP.NET pipeline is fired up and configured for every incoming request. <system.serviceModel>     <serviceHostingEnvironment aspNetCompatibilityEnabled="true" multipleSiteBindingsEnabled="true" /> </system.serviceModel> Markup your Service Implementation with AspNetCompatibilityRequirements Attribute Next you have to mark up the Service Implementation – not the contract if you’re using a separate interface!!! – with the AspNetCompatibilityRequirements attribute: [ServiceContract(Namespace = "RateTestService")] [AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.Allowed)] public class RestRateTestProxyService Typically you’ll want to use Allowed as the preferred option. The other options are NotAllowed and Required. Allowed will let the service run if the web.config attribute is not set. Required has to have it set. All these settings determine whether an ASP.NET host AppDomain is used for requests. Once Allowed or Required has been set on the implemented class you can make use of the ASP.NET HttpContext object. When I allow for ASP.NET compatibility in my WCF services I typically add a property that exposes the Context and Request objects a little more conveniently: public HttpContext Context { get { return HttpContext.Current; } } public HttpRequest Request { get { return HttpContext.Current.Request; } } While you can also access the Response object and write raw data to it and manipulate headers THAT is probably not such a good idea as both your code and WCF will end up writing into the output stream. However it might be useful in some situations where you need to take over output generation completely and return something completely custom. Remember though that WCF REST DOES actually support that as well with Stream responses that essentially allow you to return any kind of data to the client so using Response should really never be necessary. Should you or shouldn’t you? WCF purists will tell you never to muck with the platform specific features or the underlying protocol, and if you can avoid it you definitely should avoid it. Querystring management in particular can be handled largely with Url Routing, but there are exceptions of course. Try to use what WCF natively provides – if possible as it makes the code more portable. For example, if you do enable ASP.NET Compatibility you won’t be able to self host a WCF REST service. At the same time realize that especially in WCF REST there are number of big holes or access to some features are a royal pain and so it’s not unreasonable to access the HttpContext directly especially if it’s only for read-only access. Since everything in REST works of URLS and the HTTP protocol more control and easier access to HTTP features is a key requirement to building flexible services. It looks like vNext of the WCF REST stuff will feature many improvements along these lines with much deeper native HTTP support that is often so useful in REST applications along with much more extensibility that allows for customization of the inputs and outputs as data goes through the request pipeline. I’m looking forward to this stuff as WCF REST as it exists today still is a royal pain (in fact I’m struggling with a mysterious version conflict/crashing error on my machine that I have not been able to resolve – grrrr…).© Rick Strahl, West Wind Technologies, 2005-2011Posted in ASP.NET  AJAX  WCF  

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  • Frameskipping in Android gameloop causing choppy sprites (Open GL ES 2.0)

    - by user22241
    I have written a simple 2d platform game for Android and am wondering how one deals with frame-skipping? Are there any alternatives? Let me explain further. So, my game loop allows for the rendering to be skipped if game updates and rendering do not fit into my fixed time-slice (16.667ms). This allows my game to run at identically perceived speeds on different devices. And this works great, things do run at the same speed. However, when the gameloop skips a render call for even one frame, the sprite glitches. And thinking about it, why wouldn't it? You're seeing a sprite move say, an average of 10 pixels every 1.6 seconds, then suddenly, there is a pause of 3.2ms, and the sprite then appears to jump 20 pixels. When this happens 3 or 4 times in close succession, the result is very ugly and not something I want in my game. Therfore, my question is how does one deal with these 'pauses' and 'jumps' - I've read every article on game loops I can find (see below) and my loops are even based off of code from these articles. The articles specifically mention frame skipping but they don't make any reference to how to deal with visual glitches that result from it. I've attempted various game-loops. My loop must have a mechanism in-place to allow rendering to be skipped to keep game-speed constant across multiple devices (or alternative, if one exists) I've tried interpolation but this doesn't eliminate this specific problem (although it looks like it may mitigate the issue slightly as when it eventually draws the sprite it 'moves it back' between the old and current positions so the 'jump' isn't so big. I've also tried a form of extrapolation which does seem to keep things smooth considerably, but I find it to be next to completely useless because it plays havoc with my collision detection (even when drawing with a 'display only' coordinate - see extrapolation-breaks-collision-detection) I've tried a loop that uses Thread.sleep when drawing / updating completes with time left over, no frame skipping in this one, again fairly smooth, but runs differently on different devices so no good. And I've tried spawning my own, third thread for logic updates, but this, was extremely messy to deal with and the performance really wasn't good. (upon reading tons of forums, most people seem to agree a 2 thread loops ( so UI and GL threads) is safer / easier). Now if I remove frame skipping, then all seems to run nice and smooth, with or without inter/extrapolation. However, this isn't an option because the game then runs at different speeds on different devices as it falls behind from not being able to render fast enough. I'm running logic at 60 Ticks per second and rendering as fast as I can. I've read, as far as I can see every article out there, I've tried the loops from My Secret Garden and Fix your timestep. I've also read: Against the grain deWITTERS Game Loop Plus various other articles on Game-loops. A lot of the others are derived from the above articles or just copied word for word. These are all great, but they don't touch on the issues I'm experiencing. I really have tried everything I can think of over the course of a year to eliminate these glitches to no avail, so any and all help would be appreciated. A couple of examples of my game loops (Code follows): From My Secret Room public void onDrawFrame(GL10 gl) { //Rre-set loop back to 0 to start counting again loops=0; while(System.currentTimeMillis() > nextGameTick && loops < maxFrameskip) { SceneManager.getInstance().getCurrentScene().updateLogic(); nextGameTick += skipTicks; timeCorrection += (1000d / ticksPerSecond) % 1; nextGameTick += timeCorrection; timeCorrection %= 1; loops++; } extrapolation = (float)(System.currentTimeMillis() + skipTicks - nextGameTick) / (float)skipTicks; render(extrapolation); } And from Fix your timestep double t = 0.0; double dt2 = 0.01; double currentTime = System.currentTimeMillis()*0.001; double accumulator = 0.0; double newTime; double frameTime; @Override public void onDrawFrame(GL10 gl) { newTime = System.currentTimeMillis()*0.001; frameTime = newTime - currentTime; if ( frameTime > (dt*5)) //Allow 5 'skips' frameTime = (dt*5); currentTime = newTime; accumulator += frameTime; while ( accumulator >= dt ) { SceneManager.getInstance().getCurrentScene().updateLogic(); previousState = currentState; accumulator -= dt; } interpolation = (float) (accumulator / dt); render(interpolation); }

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  • What is a practical way to debug Rails?

    - by Joshua Fox
    I get the impression that in practice, debuggers are rarely used for Rails applications. (Likewise for other Ruby apps, as well as Python.) We can compare this to the usual practice for Java or VisualStudio programmers--they use an interactive debugger in a graphical IDE. How do people debug Rails applications in practice? I am aware of the variety of debuggers, so no need to mention those, but do serious Rails programmers work without them? If so, why do you choose to do it this way? It seems to me that console printing has its limits when debugging complex logic.

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  • CodePlex Daily Summary for Monday, May 17, 2010

    CodePlex Daily Summary for Monday, May 17, 2010New Projects.NET Essentials Course: .NET Essentials course @ Telerik Academy Training project for the studentsAU/NZ Office 2010 Launch Demos: The AU/NZ Office 2010 Launch Demos are a collection of code samples that were used as part of the Office/SharePoint 2010 launch parties in Australi...CybennyCMS: Very simple CMS system for building sites with ASP.NET with templates for lay-out, content pages with only html content and a xml file for the site...essionPIM: essionPIMGIStance: A library for finding "nearest neighbor" among an in-memory set of positions, in C# and F#. A radius must be specified for making a meaningful s...IP Informer: IP Informer is IP Informer.Kurumsal Ofis Paketi: Kurumsal Ofis Paketi (KOP), Microsoft Ofis 2010 ürünleri için geliştirilmiş eklenti yazılımıdır. KOP, Word ve Excel’de bulunan işlevlerinin genişle...Mockup to XAML: Convert Balsamiq Mockups to XAML. This project supports BMML mockup control conversion using plugins. A standard set of controls are included wit...Open XML Validator: This WPF app give you a brief resume about errors in your Open XML documents.Paint.NET Bulk Image Processor: PDNBulkUpdater is a plug-in for Paint.NET that allows you to efficiently perform operations such as resizing and converting multiple images at the ...PiPiBugNet: PiPiBugNet是一套全新的开源Bug管理系统Roleplay character generator: The roleplay character generator allows the creation of characters for different roleplaying gamesSharePoint User Search WebParts: This project contains SharePoint webparts which provide advanced search configuration and experience for SharePoint 2007. It will be upgrade in few...Spodi: Spodi is created on 22-04-2010TfsPolicyPack: This project will provide a few checkin policies for VS 2010.vccodesandobx: vccodesandobxvccodesandobxvccodesandobxWhiteNile: test project using codeplexNew ReleasesAnimeStore.Net: 1.0.3.0: Build 1.0.3.0 Changes Move some functionality to features (MEF) Filter / Search functionality. Anime hard-copy records storage (e.g Disk Storage ...AU/NZ Office 2010 Launch Demos: Twitter map web part: This is the main twitter map web part download, see the Twitter Map web part page for all the information.Blueset Studio Opensource Projects: 推来: 稳定版本BUtil: BUtil 5.0 Alpha2: The initial implementation of multitasking (except ghost)CassiniDev - Cassini 3.5/4.0 Developers Edition: CassiniDev 3.5.1 and 4.0.1 beta: Beta 2 is released here: url http://cassinidev.codeplex.com/releases/view/45456 New in CassiniDev v3.5.1.0/v4.0.1.0 Added .Net 4 / VS10 build. ...CBM-Command: 2010-05-16: Release Notes - 2010-05-16New Features New navigation options: Page Up, Page Down, Top of Directory, Bottom of Directory. See documentation (http:...CCNet Conditional Plugin: CCNet Conditional for CCNet 1.5: A (quick) build of the plugin for CCNet 1.5 to fix the 17365 bug reported by Beakster. This also adds a new condition "timeCondition"CybennyCMS: Cybenny CMS beta 1: The first beta. Includes a small demo site.Data Extracting SDK: Data Extracting SDK v.1.1 RTM: RTM version of Data Extracting SDK.Duckworth Lewis Professional Edition Calculator: DLcalc 2.0: This software can perform all D/L calculations 100% accurately. From version 2.0 onwards, tables for par scores can also be produced.EPiServer CMS Page Type Builder: Page Type Builder 1.2: Release notes can be found in this blog post.Floe IRC Client: Floe IRC Client 2010-05 R5: - Many new context menu options for @s - Ability to select multiple users in the nick list for some operations (kick, ban) - Bunch of minor bug fix...Graffiti CMS Events Plugin: Version 1.0.1: Minor update to previous version to fix bug where deleted posts were still showing in the calendar.Microsoft Research Boogie: 2010-05-16: Binary release of Boogie and Dafny. (Note, Chalice is not pre-built as part of this binary release. To obtain it, you need to build it yourself f...MSBuild Launch Pad (mPad): 1.0 Beta 2: Basic support for sln, csproj, vbproj, vcxproj, shfbproj, ccproj, oxygene and proj files are added. Basic settings (Show Prompt, and Auto Hide) are...Multi-Language Words Memorizer: Memorizer 1.1: Issues fix, XML db update with new words.NShader - HLSL - GLSL - CG - Shader Syntax Highlighter AddIn for Visual Studio: NShader 1.1: New release of NShader! New : - a Visual Studio 2010 port can be installed through the new extension manager : you just have to download NShaderV...PHPExcel: PHPExcel 1.7.3 Production: Want to contribute?Please refer the Contribute page. DonationsDonate via PayPal. If you want to, we can also add your name / company on our Donati...Rollback - A social backup tool.: Rollback Setup 0.5.1.2 Build 48360: Bug fixes for backing up files which are hidden/system. Changes to make builds on 64 bit Windows 7 using VS 2010 Express edition.Rollback - A social backup tool.: Rollback Setup 0.5.1.3: Updated version number.Shake - C# Make: Shake v0.1.20: New: Simple console logger Changes: Command line params helper writes out syntax and samples (like msbuild) Fixes: Assembly info, file task and r...SharePoint User Search WebParts: v0.1 Friendly MOSS 2007 Search WebPart: Very first version of this webpart. A more stabilized version will follow in few days.Team Deploy: Team Deploy 2010 Beta 1: This is the initial release for Team Deploy 2010 for TFS Team Build 2010. All features from Team Build 2.x are functional in this version. Comp...Team Foundation Server Administration Tool: 2.0: TFS Administration Tool 2.0 TFS Administration Tool 2.0 is built on top of the Team Foundation Server 2008 object model and in order to connect to...The Ping Master: v0.9.0.0: Installer for The Ping Master binariesUseful Office Macros: All Macro Downloads: Please find above the downloads related to this project. Each Excel Workbook below works independently of the others, so you only need to download...VCC: Latest build, v2.1.30516.0: Automatic drop of latest buildVisual Studio DSite: Advanced Digital Board Game (Visual C++ 2008): An advanced digital board game made in visual c 2008.YUI Compressor Custom Tool for Visual Studio: YUI Compressor Custom Tool Full Version: Version 1.0 The following changes have been made: Merged classes to automatically sense if the target file is Javascript or CSS. Cleaned up setu...Most Popular ProjectsRawrWBFS ManagerAJAX Control ToolkitMicrosoft SQL Server Product Samples: DatabaseSilverlight ToolkitWindows Presentation Foundation (WPF)patterns & practices – Enterprise LibraryMicrosoft SQL Server Community & SamplesPHPExcelASP.NETMost Active Projectspatterns & practices – Enterprise LibraryPHPExcelBlogEngine.NETRawrMicrosoft Biology FoundationCustomer Portal Accelerator for Microsoft Dynamics CRMWindows Azure Command-line Tools for PHP DevelopersDotNetZip LibraryCaliburn: An Application Framework for WPF and SilverlightSQL Server PowerShell Extensions

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  • Matrix Pattern Recognition Algorithm

    - by Andres
    I am designing a logic analyzer and I would like to implement some Matrix Algorithm. I have several channels each one represented by a row in the matrix and every element in the column would be the state, for example: Channel 1 1 0 0 1 0 1 1 0 1 Channel 2 1 1 0 1 1 0 0 1 1 Channel 3 0 1 0 1 1 0 1 0 0 Channel 4 0 0 1 0 0 1 0 0 1 I would like to detect a pattern inside my matrix for example, detect if exist and where the sub-matrix or pattern: 1 0 1 1 I think it can be accomplished testing element by element but I think there should be a better way of doing it. Is there any Java API or any way to do it ? If there is a API ARM optimized for NEON instructions would be great also but not mandatory. Thank you very much in advance.

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  • Patch an Existing NK.BIN

    - by Kate Moss' Open Space
    As you know, we can use MAKEIMG.EXE tool to create OS Image file, NK.BIN, or ROMIMAGE.EXE with a BIB for more accurate. But what if the image file is already created but need to be patched or you want to extract a file from NK.BIN? The Platform Builder provide many useful command line utilities, and today I am going to introduce one, BINMOD.EXE. http://msdn.microsoft.com/en-us/library/ee504622.aspx is the official page for BINMOD tool. As the page says, The BinMod Tool (binmod.exe) extracts files from a run-time image, and replaces files in a run-time image and its usage binmod [-i imagename] [-r replacement_filename.ext | -e extraction_filename.ext] This is a simple tool and is easy to use, if we want to extract a file from nk.bin, just type binmod –i nk.bin –e filename.ext And that's it! Or use can try -r command to replace a file inside NK.BIN. The small tool is good but there is a limitation; due to the files in MODULES section are fixed up during ROMIMAGE so the original file format is not preserved, therefore extract or replace file in MODULE section will be impossible. So just like this small tool, this post supposed to be end here, right? Nah... It is not that easy. Just try the above example, and you will find, the tool is not work! Double check the file is in FILES section and the NK.BIN is good, but it just quits. Before you throw away this useless toy, we can try to fix it! Yes, the source of this tool is available in your CE6, private\winceos\COREOS\nk\tools\romimage\binmod. As it is a tool run in your Windows so you need to Windows SDK or Visual Studio to build the code. (I am going to save you some time by skipping the detail as building a desktop console mode program is fairly trivial) The cbinmod.cpp is the core logic for this program and follow up the error message we got, it looks like the following code is suspected.   //   // Extra sanity check...   //   if((DWORD)(HIWORD(pTOCLoc->dllfirst) << 16) <= pTOCLoc->dlllast &&       (DWORD)(LOWORD(pTOCLoc->dllfirst) << 16) <= pTOCLoc->dlllast)   {     dprintf("Found pTOC  = 0x%08x\n", (DWORD)dwpTOC);     fFoundIt = true;     break;   }    else    {     dprintf("NOTICE! Record %d looked like a TOC except DLL first = 0x%08X, and DLL last = 0x%08X\r\n", i, pTOCLoc->dllfirst, pTOCLoc->dlllast);   } The logic checks if dllfirst <= dlllast but look closer, the code only separated the high/low WORD from dllfirst but does not apply the same to dlllast, is that on purpose or a bug? While the TOC is created by ROMIMAGE.EXE, so let's move to ROMIMAGE. In private\winceos\coreos\nk\tools\romimage\romimage\bin.cpp    Module::s_romhdr.dllfirst  = (HIWORD(xip_mem->dll_data_bottom) << 16) | HIWORD(xip_mem->kernel_dll_bottom);   Module::s_romhdr.dlllast   = (HIWORD(xip_mem->dll_data_top) << 16)    | HIWORD(xip_mem->kernel_dll_top); It is clear now, the high word of dll first is the upper 16 bits of XIP DLL bottom and the low word is the upper 16 bits of kernel dll bottom; also, the high word of dll last is the upper 16 bits of XIP DLL top and the low word is the upper 16 bits of kernel dll top. Obviously, the correct statement should be if((DWORD)(HIWORD(pTOCLoc->dllfirst) << 16) <= (DWORD)(HIWORD(pTOCLoc->dlllast) << 16) &&    (DWORD)(LOWORD(pTOCLoc->dllfirst) << 16) <= (DWORD)(LOWORD(pTOCLoc->dlllast) << 16)) So update the code like this should fix this issue or just like the comment, it is an extra sanity check, you can just get rid of it, either way can make the code moving forward and everything worked as advertised.  "Extracting out copies of files from the nk.bin... replacing files... etc." Since the NK.BIN can be compressed, so the BinMod needs the compress.dll to decompress the data, the DLL can be found in C:\program files\microsoft platform builder\6.00\cepb\idevs\imgutils.

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  • Amazon SOA: database as a Service

    - by Martin Lee
    There is an interesting interview with Werner Vogels which is partly about how Amazon does Service Oriented Architecture: For us service orientation means encapsulating the data with the business logic that operates on the data, with the only access through a published service interface. No direct database access is allowed from outside the service, and there’s no data sharing among the services. I do not understand that. Why do they need to 'wrap' a database into some layer if it already can be consumed as a service by other service through database adaptors? Does Amazon do that just because they need to expose the database to third parties or because of anything else? Why "no direct database access is allowed"? What are the advantages of such an architectural decision?

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  • Speaking at the Great Indian Developer Summit this week

    This week I will be speaking at the Great Indian Developer Summit in Bangalore, India for the second year in a row. My sessions are: GIDS.Net (Tuesday) Data Warehousing Made Easy What's New in SQL Server 2008 R2 (PowerPivot is shown here as well!) Sharing Business Logic between Silverlight and .NET GIDS.Web (Wednesday) Building Line of Business Applications with Silverlight 4.0 (RIA Services) GIDS.Seminar (Friday) Agile Tools and Teams In addition to my talks, Telerik will also staff a booth and have demos of all of our products and some tee shirts to give away. I will also be at the booth all day to answer your questions on my talks. See you at GIDS! Technorati Tags: Telerik,Agile,Silverlight,PowerPivot Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • is it a bad practice to call a View from another View in MVC?

    - by marcos.borunda
    I have some plain Views, they don't have any logic behind them (there is no action or controller behind them), their only propouse is to alert the user about something like "We have sent you an email to confirm your account", "You have no access to this resource", etc... These views are really simple, and calling them through a Controller/Action seems to be too much overhead, but somehow I feel like it is not quite correct. What do you think? How do you handle this kind of situations?? I guess this question will apply to any MVC Framework, but in my case I'm using the ASP.NET MVC 3 framework.

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  • How can I keep the cpu temp low?

    - by Newton
    I have an HP pavilion dv7, I'm using ubuntu 12.04 so the overheating problem with sandybridge cpu is a lot better. However my laptop is still becoming too hot to keep on my legs. The problem is that the fan wait too much before starting, so the medium temp is too hight. When I'm using windows 7 the laptop is room-temperature cold, I've absolutely no problem. On windows the fan is always spinning very low & very silently so the heat is continuously removed, without reaching an unconfortable temp. How can I force the computer to act like that also on ubuntu? PS The bios can't let me control this kind of thing, and this is my experience with lm-sensors and fancontrol al@notebook:~$ sudo sensors-detect [sudo] password for al: # sensors-detect revision 5984 (2011-07-10 21:22:53 +0200) # System: Hewlett-Packard HP Pavilion dv7 Notebook PC (laptop) # Board: Hewlett-Packard 1800 This program will help you determine which kernel modules you need to load to use lm_sensors most effectively. It is generally safe and recommended to accept the default answers to all questions, unless you know what you're doing. Some south bridges, CPUs or memory controllers contain embedded sensors. Do you want to scan for them? This is totally safe. (YES/no): y Module cpuid loaded successfully. Silicon Integrated Systems SIS5595... No VIA VT82C686 Integrated Sensors... No VIA VT8231 Integrated Sensors... No AMD K8 thermal sensors... No AMD Family 10h thermal sensors... No AMD Family 11h thermal sensors... No AMD Family 12h and 14h thermal sensors... No AMD Family 15h thermal sensors... No AMD Family 15h power sensors... No Intel digital thermal sensor... Success! (driver `coretemp') Intel AMB FB-DIMM thermal sensor... No VIA C7 thermal sensor... No VIA Nano thermal sensor... No Some Super I/O chips contain embedded sensors. We have to write to standard I/O ports to probe them. This is usually safe. Do you want to scan for Super I/O sensors? (YES/no): y Probing for Super-I/O at 0x2e/0x2f Trying family `National Semiconductor/ITE'... No Trying family `SMSC'... No Trying family `VIA/Winbond/Nuvoton/Fintek'... No Trying family `ITE'... No Probing for Super-I/O at 0x4e/0x4f Trying family `National Semiconductor/ITE'... Yes Found unknown chip with ID 0x8518 Some hardware monitoring chips are accessible through the ISA I/O ports. We have to write to arbitrary I/O ports to probe them. This is usually safe though. Yes, you do have ISA I/O ports even if you do not have any ISA slots! Do you want to scan the ISA I/O ports? (YES/no): y Probing for `National Semiconductor LM78' at 0x290... No Probing for `National Semiconductor LM79' at 0x290... No Probing for `Winbond W83781D' at 0x290... No Probing for `Winbond W83782D' at 0x290... No Lastly, we can probe the I2C/SMBus adapters for connected hardware monitoring devices. This is the most risky part, and while it works reasonably well on most systems, it has been reported to cause trouble on some systems. Do you want to probe the I2C/SMBus adapters now? (YES/no): y Using driver `i2c-i801' for device 0000:00:1f.3: Intel Cougar Point (PCH) Module i2c-i801 loaded successfully. Module i2c-dev loaded successfully. Next adapter: i915 gmbus disabled (i2c-0) Do you want to scan it? (YES/no/selectively): y Next adapter: i915 gmbus ssc (i2c-1) Do you want to scan it? (YES/no/selectively): y Next adapter: i915 GPIOB (i2c-2) Do you want to scan it? (YES/no/selectively): y Next adapter: i915 gmbus vga (i2c-3) Do you want to scan it? (YES/no/selectively): y Next adapter: i915 GPIOA (i2c-4) Do you want to scan it? (YES/no/selectively): y Next adapter: i915 gmbus panel (i2c-5) Do you want to scan it? (YES/no/selectively): y Client found at address 0x50 Probing for `Analog Devices ADM1033'... No Probing for `Analog Devices ADM1034'... No Probing for `SPD EEPROM'... No Probing for `EDID EEPROM'... Yes (confidence 8, not a hardware monitoring chip) Next adapter: i915 GPIOC (i2c-6) Do you want to scan it? (YES/no/selectively): y Client found at address 0x50 Probing for `Analog Devices ADM1033'... No Probing for `Analog Devices ADM1034'... No Probing for `SPD EEPROM'... No Probing for `EDID EEPROM'... Yes (confidence 8, not a hardware monitoring chip) Next adapter: i915 gmbus dpc (i2c-7) Do you want to scan it? (YES/no/selectively): y Next adapter: i915 GPIOD (i2c-8) Do you want to scan it? (YES/no/selectively): y Next adapter: i915 gmbus dpb (i2c-9) Do you want to scan it? (YES/no/selectively): y Next adapter: i915 GPIOE (i2c-10) Do you want to scan it? (YES/no/selectively): y Next adapter: i915 gmbus reserved (i2c-11) Do you want to scan it? (YES/no/selectively): y Next adapter: i915 gmbus dpd (i2c-12) Do you want to scan it? (YES/no/selectively): y Next adapter: i915 GPIOF (i2c-13) Do you want to scan it? (YES/no/selectively): y Next adapter: DPDDC-B (i2c-14) Do you want to scan it? (YES/no/selectively): y Now follows a summary of the probes I have just done. Just press ENTER to continue: Driver `coretemp': * Chip `Intel digital thermal sensor' (confidence: 9) To load everything that is needed, add this to /etc/modules: #----cut here---- # Chip drivers coretemp #----cut here---- If you have some drivers built into your kernel, the list above will contain too many modules. Skip the appropriate ones! Do you want to add these lines automatically to /etc/modules? (yes/NO)y Successful! Monitoring programs won't work until the needed modules are loaded. You may want to run 'service module-init-tools start' to load them. Unloading i2c-dev... OK Unloading i2c-i801... OK Unloading cpuid... OK al@notebook:~$ sudo /etc/init.d/module-init-tools restart Rather than invoking init scripts through /etc/init.d, use the service(8) utility, e.g. service module-init-tools restart Since the script you are attempting to invoke has been converted to an Upstart job, you may also use the stop(8) and then start(8) utilities, e.g. stop module-init-tools ; start module-init-tools. The restart(8) utility is also available. module-init-tools stop/waiting al@notebook:~$ sudo service module-init-tools restart stop: Unknown instance: module-init-tools stop/waiting al@notebook:~$ sudo service module-init-tools start module-init-tools stop/waiting al@notebook:~$ sudo pwmconfig # pwmconfig revision 5857 (2010-08-22) This program will search your sensors for pulse width modulation (pwm) controls, and test each one to see if it controls a fan on your motherboard. Note that many motherboards do not have pwm circuitry installed, even if your sensor chip supports pwm. We will attempt to briefly stop each fan using the pwm controls. The program will attempt to restore each fan to full speed after testing. However, it is ** very important ** that you physically verify that the fans have been to full speed after the program has completed. /usr/sbin/pwmconfig: There are no pwm-capable sensor modules installed Is my case too desperate?

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  • In Case You Weren’t There: Blogwell NYC

    - by Mike Stiles
    0 0 1 1009 5755 Vitrue 47 13 6751 14.0 Normal 0 false false false EN-US JA X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:12.0pt; font-family:"Times New Roman";} Your roving reporter roved out to another one of Socialmedia.org’s fantastic Blogwell events, this time in NYC. As Central Park and incredible weather beckoned, some of the biggest brand names in the world gathered to talk about how they’re incorporating social into marketing and CRM, as well as extending social across their entire organizations internally. Below we present a collection of the live tweets from many of the key sessions GE @generalelectricJon Lombardo, Leader of Social Media COE How GE builds and extends emotional connections with consumers around health and reaps the benefits of increased brand equity in the process. GE has a social platform around Healthyimagination to create better health for people. If you and a friend are trying to get healthy together, you’ll do better. Health is inherently. Get health challenges via Facebook and share with friends to achieve goals together. They’re creating an emotional connection around the health context. You don’t influence people at large. Your sphere of real influence is around 5-10 people. They find relevant conversations about health on Twitter and engage sounding like a friend, not a brand. Why would people share on behalf of a brand? Because you tapped into an activity and emotion they’re already having. To create better habits in health, GE gave away inexpensive, relevant gifts related to their goals. Create the context, give the relevant gift, get social acknowledgment for giving it. What you get when you get acknowledgment for your engagement and gift is user generated microcontent. GE got 12,000 unique users engaged and 1400 organic posts with the healthy gift campaign. The Dow Chemical Company @DowChemicalAbby Klanecky, Director of Digital & Social Media Learn how Dow Chemical is finding, training, and empowering their scientists to be their storytellers in social media. There are 1m jobs coming open in science. Only 200k are qualified for them. Dow Chemical wanted to use social to attract and talk to scientists. Dow Chemical decided to use real scientists as their storytellers. Scientists are incredibly passionate, the key ingredient of a great storyteller. Step 1 was getting scientists to focus on a few platforms, blog, Twitter, LinkedIn. Dow Chemical social flow is Core Digital Team - #CMs – ambassadors – advocates. The scientists were trained in social etiquette via practice scenarios. It’s not just about sales. It’s about growing influence and the business. Dow Chemical trained about 100 scientists, 55 are active and there’s a waiting list for the next sessions. In person social training produced faster results and better participation. Sometimes you have to tell pieces of the story instead of selling your execs on the whole vision. Social Media Ethics Briefing: Staying Out of TroubleAndy Sernovitz, CEO @SocialMediaOrg How do we get people to share our message for us? We have to have their trust. The difference between being honest and being sleazy is disclosure. Disclosure does not hurt the effectiveness of your marketing. No one will get mad if you tell them up front you’re a paid spokesperson for a company. It’s a legal requirement by the FTC, it’s the law, to disclose if you’re being paid for an endorsement. Require disclosure and truthfulness in all your social media outreach. Don’t lie to people. Monitor the conversation and correct misstatements. Create social media policies and training programs. If you want to stay safe, never pay cash for social media. Money changes everything. As soon as you pay, it’s not social media, it’s advertising. Disclosure, to the feds, means clear, conspicuous, and understandable to the average reader. This phrase will keep you in the clear, “I work for ___ and this is my personal opinion.” Who are you? Were you paid? Are you giving an honest opinion based on a real experience? You as a brand are responsible for what an agency or employee or contactor does in your behalf. SocialMedia.org makes available a Disclosure Best Practices Toolkit. Socialmedia.org/disclosure. The point is to not ethically mess up and taint social media as happened to e-mail. Not only is the FTC cracking down, so is Google and Facebook. Visa @VisaNewsLucas Mast, Senior Business Leader, Global Corporate Social Media Visa built a mobile studio for the Olympics for execs and athletes. They wanted to do postcard style real time coverage of Visa’s Olympics sponsorships, and on a shoestring. Challenges included Olympic rules, difficulty getting interviews, time zone trouble, and resourcing. Another problem was they got bogged down with their own internal approval processes. Despite all the restrictions, they created and published a variety of and fair amount of content. They amassed 1000+ views of videos posted to the Visa Communication YouTube channel. Less corporate content yields more interest from media outlets and bloggers. They did real world video demos of how their products work in the field vs. an exec doing a demo in a studio. Don’t make exec interview videos dull and corporate. Keep answers short, shoot it in an interesting place, do takes until they’re comfortable and natural. Not everything will work. Not everything will get a retweet. But like the lottery, you can’t win if you don’t play. Promoting content is as important as creating it. McGraw-Hill Companies @McGrawHillCosPatrick Durando, Senior Director of Global New Media McGraw-Hill has 26,000 employees. McGraw-Hill created a social intranet called Buzz. Intranets create operational efficiency, help product dev, facilitate crowdsourcing, and breaks down geo silos. Intranets help with talent development, acquisition, retention. They replaced the corporate directory with their own version of LinkedIn. The company intranet has really cut down on the use of email. Long email threats become organized, permanent social discussions. The intranet is particularly useful in HR for researching and getting answers surrounding benefits and policies. Using a profile on your company intranet can establish and promote your internal professional brand. If you’re going to make an intranet, it has to look great, work great, and employees are going have to want to go there. You can’t order them to like it. 

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  • Bloggers Behaving Badly

    - by andyleonard
    Introduction The other morning I awoke and said to myself, "Self, you need a million bucks." After breakfast, I waltzed down to the local bank. I slipped into the vault and managed to grab a million bucks while no one was paying attention. Quietly, I slipped out of the vault and made it home with the money. My logic? The money was there for the taking, as evidenced by my ability to go and take it. I plan to donate some of the money to charity. Worst-case: If the bank wants the money back, they'll...(read more)

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  • Backend devs put down by user stories

    - by Szili
    I planned to slice in backend development into to the user stories vertically. But a backend guy on our team started to complain that this makes their work invisible. My answer was that at the sprint planning and review meetings we discuss backend tasks in front of stakeholders so it makes it visible, and maintaining a high quality during the project will result a slower startin pace than other teams, but we will have a stable velocity during the project. And velocity is highly visible to stakeholders. He still insist having stories like: "As a developer I need to have a domain layer so I can encapsulate business logic." How can I solve the issue before it pollutes the team? The root of the issue is that our management systematically consider backend work as invisible and call backed devs miners, or other pejorative terms.

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  • frame lock networking

    - by kochol
    I'm developing an RTS game and I want to add multiplayer support to my game. I picked the easiest technique to implement for start frame locking technique. I used server client networking architecture (I think it's my first mistake I think using peer to peer is a better one for this) On game update every clients send their commands and maybe receive some command then render the frame and wait for all clients to send their update complete message then all of them can go for the next frame. I send commands and all logic is calculated on the clients based on commands but the clients can go out of sync easily. Every AI controlled units make different decisions on each clients What I have to do to sync my game? Do you suggest me a better network architecture or technique?

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  • ORACLE RIGHTNOW DYNAMIC AGENT DESKTOP CLOUD SERVICE - Putting the Dynamite into Dynamic Agent Desktop

    - by Andreea Vaduva
    Untitled Document There’s a mountain of evidence to prove that a great contact centre experience results in happy, profitable and loyal customers. The very best Contact Centres are those with high first contact resolution, customer satisfaction and agent productivity. But how many companies really believe they are the best? And how many believe that they can be? We know that with the right tools, companies can aspire to greatness – and achieve it. Core to this is ensuring their agents have the best tools that give them the right information at the right time, so they can focus on the customer and provide a personalised, professional and efficient service. Today there are multiple channels through which customers can communicate with you; phone, web, chat, social to name a few but regardless of how they communicate, customers expect a seamless, quality experience. Most contact centre agents need to switch between lots of different systems to locate the right information. This hampers their productivity, frustrates both the agent and the customer and increases call handling times. With this in mind, Oracle RightNow has designed and refined a suite of add-ins to optimize the Agent Desktop. Each is designed to simplify and adapt the agent experience for any given situation and unify the customer experience across your media channels. Let’s take a brief look at some of the most useful tools available and see how they make a difference. Contextual Workspaces: The screen where agents do their job. Agents don’t want to be slowed down by busy screens, scrolling through endless tabs or links to find what they’re looking for. They want quick, accurate and easy. Contextual Workspaces are fully configurable and through workspace rules apply if, then, else logic to display only the information the agent needs for the issue at hand . Assigned at the Profile level, different levels of agent, from a novice to the most experienced, get a screen that is relevant to their role and responsibilities and ensures their job is done quickly and efficiently the first time round. Agent Scripting: Sometimes, agents need to deliver difficult or sensitive messages while maximising the opportunity to cross-sell and up-sell. After all, contact centres are now increasingly viewed as revenue generators. Containing sophisticated branching logic, scripting helps agents to capture the right level of information and guides the agent step by step, ensuring no mistakes, inconsistencies or missed opportunities. Guided Assistance: This is typically used to solve common troubleshooting issues, displaying a series of question and answer sets in a decision-tree structure. This means agents avoid having to bookmark favourites or rely on written notes. Agents find particular value in these guides - to quickly craft chat and email responses. What’s more, by publishing guides in answers on support pages customers, can resolve issues themselves, without needing to contact your agents. And b ecause it can also accelerate agent ramp-up time, it ensures that even novice agents can solve customer problems like an expert. Desktop Workflow: Take a step back and look at the full customer interaction of your agents. It probably spans multiple systems and multiple tasks. With Desktop Workflows you control the design workflows that span the full customer interaction from start to finish. As sequences of decisions and actions, workflows are unique in that they can create or modify different records and provide automation behind the scenes. This means your agents can save time and provide better quality of service by having the tools they need and the relevant information as required. And doing this boosts satisfaction among your customers, your agents and you – so win, win, win! I have highlighted above some of the tools which can be used to optimise the desktop; however, this is by no means an exhaustive list. In approaching your design, it’s important to understand why and how your customers contact you in the first place. Once you have this list of “whys” and “hows”, you can design effective policies and procedures to handle each category of problem, and then implement the right agent desktop user interface to support them. This will avoid duplication and wasted effort. Five Top Tips to take away: Start by working out “why” and “how” customers are contacting you. Implement a clean and relevant agent desktop to support your agents. If your workspaces are getting complicated consider using Desktop Workflow to streamline the interaction. Enhance your Knowledgebase with Guides. Agents can access them proactively and can be published on your web pages for customers to help themselves. Script any complex, critical or sensitive interactions to ensure consistency and accuracy. Desktop optimization is an ongoing process so continue to monitor and incorporate feedback from your agents and your customers to keep your Contact Centre successful.   Want to learn more? Having attending the 3-day Oracle RightNow Customer Service Administration class your next step is to attend the Oracle RightNow Customer Portal Design and 2-day Dynamic Agent Desktop Administration class. Here you’ll learn not only how to leverage the Agent Desktop tools but also how to optimise your self-service pages to enhance your customers’ web experience.   Useful resources: Review the Best Practice Guide Review the tune-up guide   About the Author: Angela Chandler joined Oracle University as a Senior Instructor through the RightNow Customer Experience Acquisition. Her other areas of expertise include Business Intelligence and Knowledge Management.  She currently delivers the following Oracle RightNow courses in the classroom and as a Live Virtual Class: RightNow Customer Service Administration (3 days) RightNow Customer Portal Design and Dynamic Agent Desktop Administration (2 days) RightNow Analytics (2 days) Rightnow Chat Cloud Service Administration (2 days)

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  • OpenGL Performance Questions

    - by Daniel
    This subject, as with any optimisation problem, gets hit on a lot, but I just couldn't find what I (think) I want. A lot of tutorials, and even SO questions have similar tips; generally covering: Use GL face culling (the OpenGL function, not the scene logic) Only send 1 matrix to the GPU (projectionModelView combination), therefore decreasing the MVP calculations from per vertex to once per model (as it should be). Use interleaved Vertices Minimize as many GL calls as possible, batch where appropriate And possibly a few/many others. I am (for curiosity reasons) rendering 28 million triangles in my application using several vertex buffers. I have tried all the above techniques (to the best of my knowledge), and received almost no performance change. Whilst I am receiving around 40FPS in my implementation, which is by no means problematic, I am still curious as to where these optimisation 'tips' actually come into use? My CPU is idling around 20-50% during rendering, therefore I assume I am GPU bound for increasing performance. Note: I am looking into gDEBugger at the moment Cross posted at StackOverflow

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  • Junior software developer - How to understand web applications in depth?

    - by nat_gr
    I am currently a junior developer in web applications and specifically in ASP.NET MVC technology. My problem is that the C# senior developer in the company has no experience with this technology and I try to learn without any guidance. I went through all tutorials (e.g music store), codeplex projects and also read Pro ASP.NET MVC 4. However, most of the examples are about CRUD and e-commerce applications. What I don't understand is how dependency injection fits in web applications (I have realized that is not only used for facilitating unit testing) or when I should use a custom model binder or how to model the business logic when there is already a database schema in place. I read the forum quite often and it would very helpful if some experienced developer could give me an insight about how to proceed. Do I need to read some books to understand the overall idea behind web applications? And what kind of application should I start building myself - I don't think it would be useful to create similar examples with the tutorials.

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  • Turn-based Strategy Loop

    - by Djentleman
    I'm working on a strategy game. It's turn-based and card-based (think Dominion-style), done in a client, with eventual AI in the works. I've already implemented almost all of the game logic (methods for calculations and suchlike) and I'm starting to work on the actual game loop. What is the "best" way to implement a game loop in such a game? Should I use a simple "while gameActive" loop that keeps running until gameActive is False, with sections that wait for player input? Or should it be managed through the UI with player actions determining what happens and when? Any help is appreciated. I'm doing it in Python (for now at least) to get my Python skills up a bit, although the language shouldn't matter for this question.

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  • Global keyboard states

    - by Petr Abdulin
    I have following idea about processing keyboard input. We capture input in "main" Game class like this: protected override void Update(GameTime gameTime) { this.CurrentKeyboardState = Keyboard.GetState(); // main :Game class logic here base.Update(gameTime); this.PreviousKeyboardState = this.CurrentKeyboardState; } then, reuse keyboard states (which have internal scope) in all other game components. The reasons behind this are 1) minimize keyboard processing load, and 2) reduce "pollution" of all other classes with similar keyboard state variables. Since I'm quite a noob in both game and XNA development, I would like to know if all of this sounds reasonable.

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  • Using GridView and DetailsView in ASP.NET MVC - Part 1

    - by bipinjoshi
    For any beginner in ASP.NET MVC the first disappointment is possibly the lack of any server controls. ASP.NET MVC divides the entire processing logic into three distinct parts namely model, view and controller. In the process views (that represent UI under MVC architecture) need to sacrifice three important features of web forms viz. Postbacks, ViewState and rich event model. Though server controls are not a recommended choice under ASP.NET MVC there are situations where you may need to use server controls. In this two part article I am going to explain, as an example, how GridView and DetailsView can be used in ASP.NET MVC without breaking the MVC pattern.http://www.bipinjoshi.net/articles/59b91531-3fb2-4504-84a4-9f52e2d65c20.aspx 

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