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• Trouble switching to Dvorak on Ubuntu 12.04

  - by Dodgie

  I've decided to switch to Dvorak on my Ubuntu machine, but I'm having some trouble: First, I attempted to do this through the GUI -- System Settings - Keyboard Layout - add layout (plus sign) - English(programmer Dvorak). This didn't work at first, so I restarted my machine. It seemed to work at the password prompt (if only because QWERTY did not), but I couldn't get it to accept my password. I used the virtual keyboard option to enter my password with mouse clicks (the virtual keyboard was using the programmer's Dvorak Standard) and was able to get in that way. Once logged in, however, I was back to QWERTY. Second, I tried to switch on the command prompt -- $ loadkeys /usr/lib/kbd/keytables/dvorak.map The error message I received was "Couldn't get a file descriptor referring to the console " Does anyone know what I'm doing wrong? I've looked for a solution for these problems, but couldn't find anything.

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• How to install Neatx-Server on ubuntu 12.10?

  - by user111245

  After try: 1. sudo apt-get install python-software-properties && sudo add-apt-repository ppa:freenx-team 2. sudo add-apt-repository ppa:nathan-renniewaldock/ppa && sudo add-apt-repository ppa:freenx-team 3. sudo add-apt-repository ppa:freenx-team None can let the sudo apt-get update to be succeed. Not to mention sudo apt-get install neatx-server. (found no neatx-server) Is there a solution for that? thanks~

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• OpenWorld 2013 Presentation Links

  - by Darin Pendergraft

  We have had a lot of requests for OpenWorld 2013 presentations that were delivered by the IDM team this year in San Francisco.  To make things easier, I have uploaded all of the presentations to SlideShare.  Here is a list of available presentations: ID Title CON8808 Enabling Business Growth in the new Economy CON8810 Who Should have Access to What CON8811 Converged Identity Governance for Speeding Up Business and Reducing Cost CON8813 Securing Privileged Accounts with an integrated IDM Solution CON8817 API Management - Enable your Infrastructure for Secure Mobile and Cloud Use CON8819 Context and Risk Aware Access Control Any Device AnyWhere CON8823 Access management for the Internet of Things CON8828 Justifying and Planning a Successful Identity Management Upgrade CON8833 Access at Scale for Hundreds of Millions of Users CON8834 Bring Your Own Identity CON8836 Leveraging the Cloud to Simplify Your Identity Management Implementation CON8837 Leverage Authorization to Monetize Content and Media Subscriptions CON8896 Securely Enabling Mobile Access for Business Transformation CON8902 Developing Secure Mobile Applications CON9024 Next-Generation Optimized Directory - Oracle Unified Directory CON9573 Managing the OIM platform with Oracle Enterprise Manager

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• WPF properties memory management

  - by mrpyo

  I'm trying to build binding system similar to the one that is used in WPF and I ran into some memory leaking problems, so here comes my question - how is memory managed in WPF property system? From what I know in WPF values of DependencyProperties are stored in external containers - what I wanna know is how are they collected when DependencyObject dies? Simplest solution would be to store them is some weak reference dictionary - but here comes the main problem I ran into - when there is a listener on property that needs reference to its (this property) parent it holds it (the parent) alive (when value of weak reference dictionary points somewhere, even indirectly, to key - it can't be collected). How is it avoided in WPF without the need of using weak references everywhere?

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• WIX 3.5 Unexpected Child Element iis:Certificate

  - by Wil Peck

  Came across this today when I switched from WIX 3.0 and VS 2008 to WIX 3.5 and VS 2010.  The solution ended up being pretty simple.  Just need to update the Wix Project Properties to provide an additional parameter to the compiler and linker. These can be found at Wix Installer Project Properties > Tool Settings > Additional Parameters Compiler and Wix Installer Project Properties > Tool Settings > Additional Parameters Linker.  Just make sure to add ‘-ext WixIIsExtension’ in the fields and recompile.   Technorati Tags: WIX,WIX 3.5,Help

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• Cocos2D 2.0 - masking a sprite

  - by Desperate Developer

  I have read this tutorial about how to mask sprites using Cocos2D 2.0. http://www.raywenderlich.com/4428/how-to-mask-a-sprite-with-cocos2d-2-0 But the author talks about OpenGL ES textures and vertices as they were common knowledge. My knowledge about OpenGl is zero raised to infinity. All I want is to use a rectangle to mask a sprite to it. How I would do in Photoshop using a rectangle as mask (yes, I want to clip a sprite to the rectangle bounds and no, I do not want to use the ClippingNode solution, that do not works for animation/scaling etc.). So, can you guys translate the klingon language used in this tutorial and tell how a solid rectangle can be used to mask a sprite in Cocos2D? I am desperate, as my username states. I am searching this for a week and have tried several solutions without satisfactory results. Please help me. Thanks!

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• Scrum: How to work on one story at a time

  - by Juergen

  I was nominated as scrum master in a new formed scrum team. We have already done some sprints. In the beginning I tried to make my team to work on one story at a time. But it didn't work. My team had difficulties to distribute the tasks in a way that they can work simultaneously on one story. Maybe we are doing something wrong? For example: we have a story to create a new dialog. We create the following tasks: Create Model classes Read model data from database Connect model classes with view Implement dialog handling Save data on close Test Documentation Solution Description Can theses tasks be done by more than one person at a time? The tasks - more or less - build upon each other. Or do we design the tasks in a wrong way?

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• Tracking Security Vulnerability remediation

  - by Zypher

  I've been looking into this for a little while, but havn't really found anything suitable. What I am looking for is a system to track security vulnerability remdiation status. Something like "bugzilla for IT" What I am looking for is something pretty simple that allows the following: batch entry of new vulnerabilities that need to be remediated Per user assignment AD/LDAP Authentiation Simple interface to track progress - research, change control status, remediated, etc. Historical search ability Ability to divide by division Ability to store proof of resolution for the Security Team to access Dependency tracking Linux based is best (that's my group :) ) Free is good, but cost doesn't matter so much if the system is worth it The systems doesn't have to have all of these features, but if it did that would be great. yes we could use our helpdesk software, but that has a bunch of pitfalls such as triggering SLA alerts and penalties as well as not easily searchable outside of a group. Most of what I have found are bug tracking systems that are geared towards developers, and are honstely way overkill for what I am looking for. Server Faults input is greatly appreciated as always!

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• Announcing the Mastering SharePoint 2013 Development lab

  - by Erwin van Hunen

  If you’re a seasoned SharePoint developer and you’d like to get up and running with all the new goodies that SharePoint 2013 is bringing, make sure you check out the Mastering SharePoint 2013 Development lab I’m giving at LabCenter in Stockholm, Sweden. 3 days of development heaven *and* you take away a brand new laptop, or an iPad, or some of the other perks you decide to go for. Check out: http://www.labcenter.se/Labs#lab=Mastering_Sharepoint_2013_Development The overview of the 3 days: Day 1 Module 1: Comparing SharePoint 2013 to SharePoint 2010 What’s new in SharePoint 2013 Module 2: Installing your SharePoint 2013 development environment How to successfully (and above all correctly) install SharePoint 2013 Day 2 Module 3: Apps, sandboxed or full trust? What’s the difference between the deployment models. Pro’s and con’s Code or no-code solutions? Module 4: Search is the new black Using the new out of the box Search webparts Building a search based solution Day 3 Module 5: Workflows Differences between SharePoint 2010 workflows and 2013 workflows Building a workflow using Visio and SharePoint Designer Building a workflow using Visual Studio Module 6: You’re the master of the design The design manager Master pages Page layouts CSS and HTML5

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• Deterministic replay in a modern game

  - by cloudraven

  I am doing a study in modern games graphics, and as part of the study it would be really helpful to be able to replay a sequence in the game multiple times. For example, recording a series of inputs to get the exact video sequences, but being able to replay them in different computers or different graphics configurations. I want to do this study with a couple of existing commercial games with sophisticated graphics (something released in the last 1 or 2 years if possible). I was thinking on hooking with detours or something similar, calls to time() or srand() to fix all pseudo-number generated results. It would be ideal to have a general solution that works with any game. Since admittedly that is pretty ambitious, I would be happy just having 2 or 3 games in which it is known that I can get deterministic output for a given input. In the end, I will be comparing video output, so I want to avoid noise generated by differences on each execution caused by non-determinism. Any sugestions?

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• How to make the working environment of a programmer less shiny?

  - by Roflcoptr

  Last year I had a sport accident and since then my left eye is a little bit sensitive. Especially if looking in bright and shiny colors, I get tired very fast and can't literally focus on anything. White is the worst color ever! Unfortunately most application that I use in my work environment (Firefox, Eclipse, Visual Studio, Tetris) have a very bright white background. This really hurts my eye. So is there an easy way to generally use color schemes on the laptop so that everything isn't that bright? Obviously I could everywhere change the default color scheme, but isn't there a simpler solution to do that? Or any recommendations what are good color schemes to be less bright but still clearly readable?

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• What do I need to get a job with a major game company?

  - by MahanGM

  I've been recently working with DirectX and getting familiar with game engines, sub-systems and have done game development for the last 5 years. I have a real question for those whom have worked in larger game making companies before. How is it possible to get to into these big game creators such as Ubisoft, Infinity Ward or EA. I'm not a beginner in my field and I'm going to produce a real nice 2D platform with my team this year, which is the result of 5 years 2D game creation experience. I'm working with prepared engines such as Unity3D or Game Maker software and using .Net with C# to write many tools for our production and proceeding in my way but never had a real engine programming experience 'till now. I'm now reading good books around this topic but I wanted to know: Is it possible to become an employee in big game company by just reading books? I mean beside having an active mind and new ideas and being a solution solver.

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• What datastructure would you use for a collision-detection in a tilemap?

  - by Solom

  Currently I save those blocks in my map that could be colliding with the player in a HashMap (Vector2, Block). So the Vector2 represents the coordinates of the blog. Whenever the player moves I then iterate over all these Blocks (that are in a specific range around the player) and check if a collision happened. This was my first rough idea on how to implement the collision-detection. Currently if the player moves I put more and more blocks in the HashMap until a specific "upper bound", then I clear it and start over. I was fully aware that it was not the brightest solution for the problem, but as said, it was a rough first implementation (I'm still learning a lot about game-design and the data-structure). What data-structure would you use to save the Blocks? I thought about a Queue or even a Stack, but I'm not sure, hence I ask.

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• File corruption after copying files in Windows 7 64 bit using two methods

  - by DustByte

  I have 5000 pictures and other files in a directory taking up 35 GB. I want to duplicate this directory. Method 1: I do a simple copy and paste of the directory in explorer. I have the habit of checking the checksums after copying important files. In this case I noticed that around 2000 files failed the MD5 test. At a closer inspection of a randomly chosen JPEG with different checksums it turns out that some XMP metadata had changed. In particular, the tag <MicrosoftPhoto:DateAcquired> had changed the date from 2009 to today (possibly around the time I was copying the files). I have no idea what triggered this XMP data to be changed and exactly when it was changed and why for these particular files, but at least it seems to explain the checksum discrepancy. Method 2: As I want the exact files to be duplicated, I tried the program FreeFileSync to mirror the directory, hoping no XMP metadata would mysteriously change. A checksum test in addition to a thorough file comparison test in FreeFileSync lead to two similar but yet different results: 31 files fail the checksum test, 23 files fail the file comparison test. The smaller set is not entirely contained in the bigger set, although many files occur in both. What is alarming here is that not only JPEGs are flagged as altered but also som AVIs, MPGs and a large 7-zip file. Closer inspection of a JPEG indicates that it is indeed corrupt: the bottom half of the picture is simply plain gray. Due to the size of the 7-zip file, I have not been able to pin down the discrepancy. Note, in both methods, every file has its correct file size after being copied. Question: Any thoughts on what is possibly going on here? I have never had this problem before, and I am now terrified that files get corrupted after simple actions like copy/paste and file sync. Even if I manage to successfully copy the files somehow, I would still like an explanation to this.

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• Internet stops working after heavy downloading, video/audio streaming etc

  - by Kuba Szwed

  As mentioned in title, Internet stops working on my PC after heavy downloading, video/audio streaming etc. There are no errors, no disconnections etc. Simply after some time (certain amount of data downloaded) I can't get any more. If I try using ping afterwards nothing happens. If ping is running simultaneously with streaming/downloading I get some correct responses and then it keeps showing an error. What helps is re-plugging my Pentagram USB wifi card, but I hope there is a better solution. Edit: One more thing: my friend who works in IT suggested that it might have something to do with cache (DNS cache? I don't remember him specifying) getting filled while it should be emptied automatically.

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• Multi-lingual error messages and error numbers

  - by Jon Hopkins

  So we're looking at the possibility of porting our software to support multiple languages and one of the areas we're going to have to deal with is error messages and other notifications. These obviously have to be reported to the users in their own language. Our team (largely) only speak English and even if we were all multi-lingual we're looking at selling to a wide range of countries and could never expect to have a reasonable number of people speaking all languages (we're a small company). The obvious way to get round the language issue when errors or other messages we may get asked about which are being reported is error numbers which would be consistent across language. While these are going to exist in the backend (if only as key on the error message), I'd really rather not throw them at users if we don't have to but I don't have any other solution. Anyone have any useful suggestions for alternatives?

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• Improved Database Threat Management with Oracle Audit Vault and ArcSight ESM

  - by roxana.bradescu

  Data represents one of the most valuable assets in any organization, making databases the primary target of today's attacks. It is important that organizations adopt a database security defense-in-depth approach that includes data encryption and masking, access control for privileged users and applications, activity monitoring and auditing. With Oracle Audit Vault, organizations can reliably monitor database activity enterprise-wide and alert on any security policy exceptions. The new integration between Oracle Audit Vault and ArcSight Enterprise Security Manager, allows organizations to take advantage of enterprise-wide, real-time event aggregation, correlation and response to attacks against their databases. Join us for this live SANS Tool Talk event to learn more about this new joint solution and real-world attack scenarios that can now be quickly detected and thwarted.

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• Adaptive Case Management OTN WebCast with Danilo Schmiedel

  - by JuergenKress

  Oracle ACE Director Danilo Schmiedel, SOA/BPM solution architect with Opitz Consulting in Germany, talks about Adaptive Case Management, Predictive Analytics, and Process Mining. Watch the video here. To download the Adaptive Case Management post mentioned in this interview, please visit the blog post. SOA & BPM Partner Community For regular information on Oracle SOA Suite become a member in the SOA & BPM Partner Community for registration please visit www.oracle.com/goto/emea/soa (OPN account required) If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Facebook Wiki Technorati Tags: ACM,Adaptive Case Management,Danilo Schmiedel,Opitz,OTN,SOA Community,Oracle SOA,Oracle BPM,Community,OPN,Jürgen Kress

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• Best Practices in Setting up a Build and Deployment environment for the Java Platform

  - by Genadinik

  I have a project for which "quick and dirty" isn't the best solution. What is the most stable and currently accepted set of procedures/tools that I should look into when setting up my build/deploy dev (and later production) environment? What I mean is: Should I use ANT? Or has there been something better that has evolved? In what instances should I use Maven? What are some best practices to create a continuous integration/deployment environment? What are best practices for doing test-driven development? Anything else?

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• tail-like view on HTML logfiles

  - by h0b0

  I'm working on an application that creates HTML log files. I'm tired of having to manually reload and scroll to the bottom in the browser to see the latest entries. A solution that does not really satisfy me is using the Firefox plugins ReloadEvery and ScrollyFox. In many situations reloading frequency and scrolling speed are just to slow. Of course I could actually use tail, but I would prefer a rendered HTML page. Do you have any suggestions? Firefox extensions are preferred, but any other tip is appreciated, too.

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• System crash when trying to drag cells in LibreOffice Calc

  - by Juhele

  Some time after upgrady to Saucy I noticed several freezes and crashes when simply trying to drag content of selected cells to another place in LibreOffice Calc (version 4.1.2.3 from repository). The system stops responding - although for example Clementine still plays music from playlist - I am not able to do anything with the mouse (cursor is able to move, but no reaction on clicking). Did anybody of you also have this problem and if yes, do you have a solution? I tried to completely remove LibreOffice and install them again but did not worked for me. Currently avoiding use of drag and drop in Calc but it is stupid. Any advice would be helpful. Thanks

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• Améliorer la pertinence des réponses aux demandes clients et réduire les DMT*

  - by Valérie De Montvallon

  Le Knowledge Management pour améliorer la pertinence des réponses aux demandes clients et réduire les DMT Avec le témoignage de SFR Lundi 2 juillet de 8h30 à 10h30 à l’Automobile Club de France, Paris Web, appel vocal, rendez-vous en agence, vos clients s'attendent aujourd’hui à obtenir une réponse unique, pertinente et rapide, quel que soit le canal de contact. Vos conseillers clients et vos agents ont besoin d'avoir accès facilement à l'information nécessaire. La volumétrie des données utilisées par les services de relation clients (centres de contacts, vendeurs en magasin, community manager…) est impressionnante, mixant souvent plusieurs sources d’information et nécessitant des recherches sémantiques. Rendez-vous le 2 juillet pour découvrir comment un outil de Knowledge Management permet d’optimiser la pertinence des résultats de recherche. Au cours de cette matinée d’échanges, Jocelyn Aubry, DSI Relation Client Grand Public chez SFR, partagera son expérience d'intégration de la solution Oracle InQuira pour constituer une base de connaissance unique et cross-canal, au service de ses conseillers clients. Inscription : [email protected]

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• Python C API return more than one value / object without building a tuple [migrated]

  - by Grisu

  I got the following problem. I have written a C-Extension to Python(2.7 / 3.2) to interface a self written software library. Unfortunately I need to return two values from the function where the last one is optional. In Python I tried def func(x,y): return x+y, x-y test = func(13,4) but test is a tuple. If I write test1,test2 = func(13,4) I got both values separated. Is there a possibility to return only one value without unpacking the tuple, i.e. the second(,.. third, ..fourth) value gets neglected? And if such a solution existst, how does it look for the C-API? Because return Py_BuildValue("ii",x+y,x-y); results in a tuple as well.

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• How To Get Web Site Thumbnail Image In ASP.NET

  - by SAMIR BHOGAYTA

  Overview One very common requirement of many web applications is to display a thumbnail image of a web site. A typical example is to provide a link to a dynamic website displaying its current thumbnail image, or displaying images of websites with their links as a result of search (I love to see it on Google). Microsoft .NET Framework 2.0 makes it quite easier to do it in a ASP.NET application. Background In order to generate image of a web page, first we need to load the web page to get their html code, and then this html needs to be rendered in a web browser. After that, a screen shot can be taken easily. I think there is no easier way to do this. Before .NET framework 2.0 it was quite difficult to use a web browser in C# or VB.NET because we either have to use COM+ interoperability or third party controls which becomes headache later. WebBrowser control in .NET framework 2.0 In .NET framework 2.0 we have a new Windows Forms WebBrowser control which is a wrapper around old shwdoc.dll. All you really need to do is to drop a WebBrowser control from your Toolbox on your form in .NET framework 2.0. If you have not used WebBrowser control yet, it's quite easy to use and very consistent with other Windows Forms controls. Some important methods of WebBrowser control are. public bool GoBack(); public bool GoForward(); public void GoHome(); public void GoSearch(); public void Navigate(Uri url); public void DrawToBitmap(Bitmap bitmap, Rectangle targetBounds); These methods are self explanatory with their names like Navigate function which redirects browser to provided URL. It also has a number of useful overloads. The DrawToBitmap (inherited from Control) draws the current image of WebBrowser to the provided bitmap. Using WebBrowser control in ASP.NET 2.0 The Solution Let's start to implement the solution which we discussed above. First we will define a static method to get the web site thumbnail image. public static Bitmap GetWebSiteThumbnail(string Url, int BrowserWidth, int BrowserHeight, int ThumbnailWidth, int ThumbnailHeight) { WebsiteThumbnailImage thumbnailGenerator = new WebsiteThumbnailImage(Url, BrowserWidth, BrowserHeight, ThumbnailWidth, ThumbnailHeight); return thumbnailGenerator.GenerateWebSiteThumbnailImage(); } The WebsiteThumbnailImage class will have a public method named GenerateWebSiteThumbnailImage which will generate the website thumbnail image in a separate STA thread and wait for the thread to exit. In this case, I decided to Join method of Thread class to block the initial calling thread until the bitmap is actually available, and then return the generated web site thumbnail. public Bitmap GenerateWebSiteThumbnailImage() { Thread m_thread = new Thread(new ThreadStart(_GenerateWebSiteThumbnailImage)); m_thread.SetApartmentState(ApartmentState.STA); m_thread.Start(); m_thread.Join(); return m_Bitmap; } The _GenerateWebSiteThumbnailImage will create a WebBrowser control object and navigate to the provided Url. We also register for the DocumentCompleted event of the web browser control to take screen shot of the web page. To pass the flow to the other controls we need to perform a method call to Application.DoEvents(); and wait for the completion of the navigation until the browser state changes to Complete in a loop. private void _GenerateWebSiteThumbnailImage() { WebBrowser m_WebBrowser = new WebBrowser(); m_WebBrowser.ScrollBarsEnabled = false; m_WebBrowser.Navigate(m_Url); m_WebBrowser.DocumentCompleted += new WebBrowserDocument CompletedEventHandler(WebBrowser_DocumentCompleted); while (m_WebBrowser.ReadyState != WebBrowserReadyState.Complete) Application.DoEvents(); m_WebBrowser.Dispose(); } The DocumentCompleted event will be fired when the navigation is completed and the browser is ready for screen shot. We will get screen shot using DrawToBitmap method as described previously which will return the bitmap of the web browser. Then the thumbnail image is generated using GetThumbnailImage method of Bitmap class passing it the required thumbnail image width and height. private void WebBrowser_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e) { WebBrowser m_WebBrowser = (WebBrowser)sender; m_WebBrowser.ClientSize = new Size(this.m_BrowserWidth, this.m_BrowserHeight); m_WebBrowser.ScrollBarsEnabled = false; m_Bitmap = new Bitmap(m_WebBrowser.Bounds.Width, m_WebBrowser.Bounds.Height); m_WebBrowser.BringToFront(); m_WebBrowser.DrawToBitmap(m_Bitmap, m_WebBrowser.Bounds); m_Bitmap = (Bitmap)m_Bitmap.GetThumbnailImage(m_ThumbnailWidth, m_ThumbnailHeight, null, IntPtr.Zero); } One more example here : http://www.codeproject.com/KB/aspnet/Website_URL_Screenshot.aspx

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• Platform Builder: Disable the USB Driver Dialog

  - by Bruce Eitman

  For a long time, Windows CE developers and users have wanted to disable the USB Driver Dialog that is displayed when an unknown USB device is plugged into the host controller.   Of course the question is always why would you want to do such a thing? The simple answer is that there are USB devices that are needed, like printers, which expose multiple functions to the bus, like scanners and faxes, which no Windows CE driver exists to support.   So the printer quietly loads a driver, but then the other functions cause a dialog to be shown. One solution is to create a USB Class driver that loads by default if no other driver has been loaded. This driver just accepts anything that it sees and then does nothing with it. Starting with the Windows Embedded CE 6.0 R3 March QFE/update, the USB 2.0 driver has a registry value to disable the dialog: [HKEY_LOCAL_MACHINE\Drivers\USB\LoadClients]       "DoNotPromptUser"=dword:0   Setting the DoNotPromptUser value to 1 disables the dialog. The default value is zero, so the driver continues to behave in the same way it always did unless you change this registry value.     Copyright © 2010 – Bruce Eitman All Rights Reserved

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