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• WPF WIN32 hwndhost WM_MOUSEMOVE WM_MOUSEHOVER

  - by Neil B

  I have a WPF app with a usercontrol that contains a HwndHost. The HwndHost is created as follows: hwndHost = CreateWindowEx(0, "static", "", WS_CHILD | WS_VISIBLE, 0, 0, hostHeight, hostWidth, hwndParent.Handle, (IntPtr)HOST_ID, IntPtr.Zero, 0); hwndControl = CreateWindowEx(0, "Static", "", WS_CHILD | WS_VISIBLE | WS_CLIPCHILDREN , 0, 0, hostHeight, hostWidth, hwndHost, (IntPtr)PICTUREBOX_ID, IntPtr.Zero, 0); I then hook into the message pump using HwndSourceHook and loads of messages come through. Except the ones I want i.e. WM_MOUSEMOVE, WM_MOUSEHOVER, WM_LBUTTONDOWN and WM_LBUTTONUP Also the OnMouseLeftButtonDown event is not fired in the WPF code on the main window or the control, I assume because windows is trapping it and throwing it away. Anybody know how I can get these to come through, either with or without using the WIN32 window messages?

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• Duplicate image with Haxe

  - by Johnny Oin

  Hello, My goal is to make a wide map using only one square image. Using actionscript 3 the solution is to simply make new Bitmap from the Loader: var loader:Loader = new Loader(); loader.load(new URLRequest("xyz.png")); this.addChild(loader); var duplicationBitmap:Bitmap = new Bitmap(Bitmap(loader.content).bitmapData); Unluckily, Haxe API doesn't allow to do that. I can't get bitmapData from loader content… Anyone has a clue? Thanks.

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• Ajax Tab control in master page

  - by Senthilkumar

  Hi All I am using ajax tab container in master page with more than 4 tab panels, but when i include asp:contentplaceholder in content template of each tab panel i am not able to see the second or the third page (aspx) when i click on the tab.. i searched through net but didn get any answers. Pl help me. only the first page (aspx) included in content place holder is getting loaded the sencond asd so pages in tab panel are not// .. my example code here (.. only tis loaded) (.. not this one even when i clicked it)

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• Practical guide to programming paradigms ?

  - by Pierre

  I think I might be misunderstanding the whole thing and I am looking for some programming wisdom. When faced with a programming challenge, I feel the most important question is "which programming paradigm(s) are better suited to handle it, and how to apply them". A distant second is "which language to use". Yet it seems that most of the programming related content I stumble upon on the Internet has it exactly backwards and focuses mostly on the language choice. An object-oriented solution is fundamentaly the same, whether it's implemented in c++, Java or PHP... So where is the paradigm centered content? Where is the "practical guide to programming paradigms and implementations" and other literature helping bringing real-world and programming concepts together? Note: I already know about "Programming Paradigms for Dummies: What Every Programmer Should Know" from Peter Van Roy.

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• Using rest-client to upload a paperclip attachment but getting no file found error

  - by Angela

  Hello, I have a paperclip attachment that I wan to upload to a web-service using rest-client. However, when I try to run it, I get an error: No such file or directory - /system/postalimages/1/original/postcard-1.png?1274635084 But the file exists for sure: I see it in my directory. How do I debug this? Here is the code in my controller which makes the upload: def upload @postalcard = Postalcard.find(:last) response = RestClient.post('http://www.postful.com/service/upload', { :upload => { :file => File.new(@postalcard.postalimage.url,'rb') #paperclip file path } }, #end payload {"Content-Type" => @postalcard.postalimage.content_type, "Content-Length" => @postalcard.postalimage.size, "Authorization" => 'Basic dGltZm9uZzg4OEBnbWFpbC5jb206ZDlQcTVKUU4='} # end headers ) #close arguments to Restclient.post return response.body end

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• How to make an Android UI with images from a designer delivered as layers

  - by Not Me

  I hired a designer to help me redesign the UI for my Android app. For each Activity he gave me an image for the background, which includes any static content like fancy frames for text content; plus images for the buttons, which must fit in to the background image in exact places, to fit into the frames in the background image. However, since Android devices have different screen sizes and aspect ratios, it's easy to fit the background image by itself with android:scaleType="centerInside", but how can I get all the other images to fit in with background exactly, to the pixel? If they didn't have to fit in with the background, I would just set the exact width and height for each ImageButton, but depending on how the background scales (based on the screen size and ratio) they might end up not aligned correctly. Thank you very much in advance.

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• Overriding LINQ extension methods

  - by Ruben Vermeersch

  Is there a way to override extension methods (provide a better implementation), without explicitly having to cast to them? I'm implementing a data type that is able to handle certain operations more efficiently than the default extension methods, but I'd like to keep the generality of IEnumerable. That way any IEnumerable can be passed, but when my class is passed in, it should be more efficient. As a toy example, consider the following: // Compile: dmcs -out:test.exe test.cs using System; namespace Test { public interface IBoat { void Float (); } public class NiceBoat : IBoat { public void Float () { Console.WriteLine ("NiceBoat floating!"); } } public class NicerBoat : IBoat { public void Float () { Console.WriteLine ("NicerBoat floating!"); } public void BlowHorn () { Console.WriteLine ("NicerBoat: TOOOOOT!"); } } public static class BoatExtensions { public static void BlowHorn (this IBoat boat) { Console.WriteLine ("Patched on horn for {0}: TWEET", boat.GetType().Name); } } public class TestApp { static void Main (string [] args) { IBoat niceboat = new NiceBoat (); IBoat nicerboat = new NicerBoat (); Console.WriteLine ("## Both should float:"); niceboat.Float (); nicerboat.Float (); // Output: // NiceBoat floating! // NicerBoat floating! Console.WriteLine (); Console.WriteLine ("## One has an awesome horn:"); niceboat.BlowHorn (); nicerboat.BlowHorn (); // Output: // Patched on horn for NiceBoat: TWEET // Patched on horn for NicerBoat: TWEET Console.WriteLine (); Console.WriteLine ("## That didn't work, but it does when we cast:"); (niceboat as NiceBoat).BlowHorn (); (nicerboat as NicerBoat).BlowHorn (); // Output: // Patched on horn for NiceBoat: TWEET // NicerBoat: TOOOOOT! Console.WriteLine (); Console.WriteLine ("## Problem is: I don't always know the type of the objects."); Console.WriteLine ("## How can I make it use the class objects when the are"); Console.WriteLine ("## implemented and extension methods when they are not,"); Console.WriteLine ("## without having to explicitely cast?"); } } } Is there a way to get the behavior from the second case, without explict casting? Can this problem be avoided?

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• CSS: background image does not fill when scrolling

  - by rekindleMyLoveOf

  Hi, working on a very small site which loads in one go, so there is a div which holds all the background images, and on top of that (i.e. higher z-index) there is a content div which holds everything. I can switch backgrounds easily based on what content is selected. Unfortunately, I noticed if you launch in a small window so that scrollbars appear, if you scroll there is no background image in the 'revealed' portions of the page. :-( Page structure: <body> <div id="bg"> <div class="bgone"></div> <div class="bgtwo"></div> </div> <div id="container"> <!-- content panels here --> </div> </body> css: #bg { margin: 0px; position: absolute; top: 0px; left: 0px; width:100%; height: 1024px; z-index:1; } .bgone { margin: 0px; position: absolute; width:100%; height: 1024px; background-image:url(../images/one.jpg); background-position:top; background-repeat:repeat-x; z-index:2; } .bgtwo { margin: 0px; position: absolute; width:100%; height: 1024px; background-image:url(../images/two.jpg); background-position:top; background-repeat:repeat-x; z-index:3; } #container { position:relative; width:900px; padding:0px; margin:0px auto; height:600px; z-index:10; }

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• Site Actions menu in SharePoint is WSS-like, whereas I have installed MOSS

  - by Graeme

  I had WSS installed on my VM and then uninstalled in order to install MOSS Enterprise I can see a lot of the MOSS stuff in the Central Administration pages but when I create a new web application and site collection, my Site Actions dropdown is showing the WSS version, i.e. Create, Edit Page and Site Settings as opposed to the MOSS menu which has View All Site Content, View Reports, Manage Content and Structure etc. I just tried deleting my web app and creating it all again but it's come back with the same thing again. Is somewhere remembering that I used to have WSS installed? (yes I know MOSS is built on top of WSS but you know what I mean!)

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• Maven grails plugin issue

  - by Jack

  I'm trying to create the pom for an existing grails project via: mvn grails:create-pom -Dourcompany.com Now, we have our maven repository available in a local nexus repo: http://ourcompany.com/nexus But when i run the above, i get the below error Downloading: http://ourcompany.com/nexus/content/groups/public/ourcompany/com/hibernate-core/3.3.1.GA/hibernate-core-3.3.1.GA.jar [INFO] Unable to find resource 'ourcompany.com:hibernate-core:jar:3.3.1.GA' in repository central (http://repo1.maven.org/maven2) [INFO] ------------------------------------------------------------------------ [ERROR] BUILD ERROR But it is in there at simply: http://ourcompany.com/nexus/content/groups/public/hibernate-core/3.3.1.GA/hibernate-core-3.3.1.GA.jar Ie, w/o the "ourcompany.com" path. From my perspective, it should just try to pull down hibernate w/o inserting the groupId, but maybe i'm not understanding how i'm supposed to run this command?

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• Linq-to-sql Compiled Query returning object NOT belonging to submitted DataContext

  - by Vladimir Kojic

  Compiled query: public static class Machines { public static readonly Func<OperationalDataContext, short, Machine> QueryMachineById = CompiledQuery.Compile((OperationalDataContext db, short machineID) => db.Machines.Where(m => m.MachineID == machineID).SingleOrDefault() ); public static Machine GetMachineById(IUnitOfWork unitOfWork, short id) { Machine machine; // Old code (working) //var machineRepository = unitOfWork.GetRepository<Machine>(); //machine = machineRepository.Find(m => m.MachineID == id).SingleOrDefault(); // New code (making problems) machine = QueryMachineById(unitOfWork.DataContext, id); return machine; } It looks like compiled query is caching Machine object and returning the same object even if query is called from new DataContext (I’m disposing DataContext in the service but I’m getting Machine from previous DataContext). I use POCOs and XML mapping. Revised: It looks like compiled query is returning result from new data context and it is not using the one that I passed in compiled-query. Therefore I can not reuse returned object and link it to another object obtained from datacontext thru non compiled queries. [TestMethod] public void GetMachinesTest() { // Test Preparation (not important) using (var unitOfWork = IoC.Get<IUnitOfWork>()) { var machineRepository = unitOfWork.GetRepository<Machine>(); // GET ALL List<Machine> list = machineRepository.FindAll().ToList<Machine>(); VerifyIntegratedMachine(list[2], 3, "Machine 3", "333333", "G300PET", "MachineIconC.xaml", false, true, LicenseType.Licensed, "10.0.97.3", "10.0.97.3", 0); var machine = Machines.GetMachineById(unitOfWork, 3); Assert.AreSame(list[2], machine); // PASS !!!! } using (var unitOfWork = IoC.Get<IUnitOfWork>()) { var machineRepository = unitOfWork.GetRepository<Machine>(); // GET ALL List<Machine> list = machineRepository.FindAll().ToList<Machine>(); VerifyIntegratedMachine(list[2], 3, "Machine 3", "333333", "G300PET", "MachineIconC.xaml", false, true, LicenseType.Licensed, "10.0.97.3", "10.0.97.3", 0); var machine = Machines.GetMachineById(unitOfWork, 3); Assert.AreSame(list[2], machine); // FAIL !!!! } } If I run other (complex) unit tests I'm getting as expected: An attempt has been made to Attach or Add an entity that is not new, perhaps having been loaded from another DataContext.

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• z-index issues with jQuery Tabs, Superfish Menu

  - by NightMICU

  Hi all, For the life of me I cannot get my Superfish menu to stop hiding behind my jQuery UI tabs in IE 7. I have read the documentation out there, have tried changing z-index values and tried the bgIframe plugin, although I am not sure if I am implementing it correctly (left out in my example below, using Supersubs). Here is the Javascript I am using for Superfish - using the Supersubs plugin: $(document).ready(function() { $("ul.sf-menu").supersubs({ minWidth: 12, // minimum width of sub-menus in em units maxWidth: 27, // maximum width of sub-menus in em units extraWidth: 1 // extra width can ensure lines don't sometimes turn over // due to slight rounding differences and font-family }).superfish({ delay: 1000, // one second delay on mouseout animation: {opacity:'show',height:'show'}, // fade-in and slide-down animation speed: 'medium' // faster animation speed }); }); And here is the structure of my page: <div id="page-container"> <div id="header"></div> <div id="nav-admin"> <!-- This is where Superfish goes --> </div> <div id="header-shadow"></div> <div id="content"> <div id="admin-main"> <div id="tabs"> <ul> <li><a href="#tabs-1">Tab 1</a></li> <li><a href="#tabs-2">Tab 2</a></li> </ul> <div id="tabs-1"> <!-- Content for Tab 1 --> </div> <div id="tabs-2"> <!-- Content for Tab 2 --> </div> </div> </div> </div> <div id="footer-shadow"></div> <div id="footer"> <div id="alt-nav"> <?php include $_SERVER['DOCUMENT_ROOT'] . '/includes/altnav.inc.php'; //CHANGE WHEN UPLOADED TO MATCH DOCUMENT ROOT ?> </div> </div> </div>

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• Java: how to register a listener that listen to a JFrame movement

  - by cocotwo

  How can you track the movement of a JFrame itself? I'd like to register a listener that would be called back every single time JFrame.getLocation() is going to return a new value. Here's a skeleton that compiles and runs, what kind of listener should I add so that I can track every JFrame movement on screen? import javax.swing.*; public class SO { public static void main( String[] args ) throws Exception { SwingUtilities.invokeAndWait( new Runnable() { public void run() { final JFrame jf = new JFrame(); final JPanel jp = new JPanel(); final JLabel jl = new JLabel(); updateText( jf, jl ); jp.add( jl ); jf.add( jp ); jf.pack(); jf.setVisible( true ); } } ); } private static void updateText( final JFrame jf, final JLabel jl ) { jl.setText( "JFrame is located at: " + jf.getLocation() ); jl.repaint(); } }

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• How to dispose NHibernate ISession in an ASP.NET MVC App

  - by Joe Young

  I have NHibernate hooked up in my asp.net mvc app. Everything works fine, if I DON'T dispose the ISession. I have read however that you should dispose, but when I do, I get random "Session is closed" exceptions. I am injecting the ISession into my other objects with Windsor. Here is my current NHModule: public class NHibernateHttpModule : IHttpModule { public void Init(HttpApplication context) { context.BeginRequest += context_BeginRequest; context.EndRequest += context_EndRequest; } static void context_EndRequest(object sender, EventArgs e) { CurrentSessionContext.Unbind(MvcApplication.SessionFactory); } static void context_BeginRequest(object sender, EventArgs e) { CurrentSessionContext.Bind(MvcApplication.SessionFactory.OpenSession()); } public void Dispose() { // do nothing } } Registering the ISession: container .Register(Component.For<ISession>() .UsingFactoryMethod(() => MvcApplication.SessionFactory.GetCurrentSession()).LifeStyle.Transient); The error happens when I tack the Dispose on the unbind in the module. Since I keep getting the session is closed error I assume this is not the correct way to do this, so what is the correct way? Thanks, Joe

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• Filter Calendar view SharePoint WWS 3.0

  - by lerac

  Hi all, I have a SP site with a calendarview and would like to filter this on the basis of the current user. Don't be afraid I already figured out how do to this with a list customizing some excisting jScripts and working with Content Editor WebPart. Yet this jScript does not work in a Calendar. To paint a picture I have columns like: Judge1 Lawyer Clerk (example). Underneath these columns there are names ofcourse. However these are not shown in Calendar view, so it is hard to filter on something that is not displayed only the casenumbers. Now I've been thinking (not always wise) perhaps I can adjust the aspx page of calendar/list by adjusting a filter I applied in SharePoint. This would also solve the issue of displaying all the content before it filters with Java, since it should not be possible for users to see the entire listcontent (security). I went to Modify list view and created a filter where judge1 = Mr. J. Jenkins. Then I went to SharePoint Designer and opend the Calendar aspx page. To my expectation I found Mr. J. Jenkins with the following code: Since I can't display image because i'm new, not very handy discrimination I have to give you a url. Code can't be pasted either is completely messes it up even with codemode on. Hyperlink CODE IMAGE Keep in mind I just posted a very tiny part of the code (only the part I want to change). Now I have no idea what kind of code this is above this text (SP wss 3.0 uses for aspx pages), but I would like to change Mr. J. Jenkins into a jScript var/val. Since I already managed to get the current user that is logged in content. var user = jP.getUserProfile(); var userinfspvalue = user.Department; There is more code around that one 2 ofcourse, yet to give you a picture. The var userinfspvalue is what I would like to replace the text Mr. J. Jenkins into. This would mean the calendar would be dynamically filtered based upon the current user that is logged on. Have no idea what is possible, perhaps there is a better solution who knows... Do you know? Thank you so much ahead!

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• Objective C message dispatch mechanism

  - by Dolphin

  I am just staring to play around with Objective C (writing toy iPhone apps) and I am curious about the underlying mechanism used to dispatch messages. I have a good understanding of how virtual functions in C++ are generally implemented and what the costs are relative to a static or non-virtual method call, but I don't have any background with Obj-C to know how messages are sent. Browsing around I found this loose benchmark and it mentions IMP cached messages being faster than virtual function calls, which are in turn faster than a standard message send. I am not trying to optimize anything, just get deeper understanding of how exactly the messages get dispatched. How are Obj-C messages dispatched? How do Instance Method Pointers get cached and can you (in general) tell by reading the code if a message will get cached? Are class methods essentially the same as a C function (or static class method in C++), or is there something more to them? I know some of these questions may be 'implementation dependent' but there is only one implementation that really counts.

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• ASP .NET - Substitution and page output (donut) caching - How to pass custom argument to HttpRespons

  - by zzare

  I would like to use substitution feature of donut caching. public static string GetTime(HttpContext context) { return DateTime.Now.ToString("T"); } ... The cached time is: <%= DateTime.Now.ToString("T") %> <hr /> The substitution time is: <% Response.WriteSubstitution(GetTime); %> ...But I would like to pass additional parameter to callback function beside HttpContext. so the question is: How to pass additional argument to GetTime callback? for instance, something like this: public static string GetTime(HttpContext context, int newArgument) { // i'd like to get sth from DB by newArgument // return data depending on the db values // ... this example is too simple for my usage if (newArgument == 1) return ""; else return DateTime.Now.ToString("T"); }

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• C# sendkeys to calculator

  - by user203123

  The sendkeys code below works well for Notepad but it doesn't work for Calculator. What is the problem? (It's another problem compared to what I sent here http://stackoverflow.com/questions/2604486/c-sendkeys-problem) [DllImport("user32.dll", CharSet = CharSet.Unicode)] public static extern IntPtr FindWindow(string lpClassName,string lpWindowName); [DllImport("User32")] public static extern bool SetForegroundWindow(IntPtr hWnd); private void button1_Click(object sender, EventArgs e) { IntPtr calculatorHandle = FindWindow("SciCalc", "Calculator"); //IntPtr calculatorHandle = FindWindow("Notepad", "Untitled - Notepad"); if (calculatorHandle == IntPtr.Zero) { MessageBox.Show("Calculator is not running."); return; } SetForegroundWindow(calculatorHandle); System.Threading.Thread.Sleep(1000); SendKeys.SendWait("111*11="); //SendKeys.SendWait("{ENTER}"); //cnt++; SendKeys.Flush(); }

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• System.OutOfMemoryException on file download

  - by frosty

  I have an ashx handler with the following code. The idea is to hide the path of the file and prompt a download context.Response.Clear(); context.Response.AddHeader("Content-Disposition", "attachment; filename=" + fileName); context.Response.AddHeader("Content-Length", file.Length.ToString()); context.Response.ContentType = "application/octet-stream"; context.Response.WriteFile(file.FullName); This works fine for some files however on others i get Exception of type 'System.OutOfMemoryException' was thrown.

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• Is this good C# style?

  - by burnt1ce

  Consider the following method signature: public static bool TryGetPolls(out List<Poll> polls, out string errorMessage) This method performs the following: accesses the database to generate a list of Poll objects. returns true if it was success and errorMessage will be an empty string returns false if it was not successful and errorMessage will contain an exception message. Is this good style? Update: Lets say i do use the following method signature: public static List<Poll> GetPolls() and in that method, it doesn't catch any exceptions (so i depend the caller to catch exceptions). How do i dispose and close all the objects that is in the scope of that method? As soon as an exception is thrown, the code that closes and disposes objects in the method is no longer reachable.

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• stop firefox loading old css?

  - by Haroldo

  private browsing and ctrl-f5 doesn't seem to be cutting it? (i've got alot of ajax loaded content)

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• Not able to use cutomized Ajax HTML editor from code behind

  - by KhanS

  I am customizing the ajax html editor. I am creating a class which derives from ajax html editor, and overriding FillTopToolbar() method to have limited toolbar buttons. I am trying to use this in my aspx page. <%@ Register namespace="Content" tagprefix="edit" %> <edit:MyEditor runat="server" Width="100%" Height="250px"/> I am able to see the editor in my aspx page. The problem comes when I give an ID to the control <edit:QNAEditor ID="htmlEditor" runat="server" Width="100%" Height="250px"/> I get an error in the designer file in the below line. protected global::Content.MYHTMLEditor htmlEditor; I am not able to use it in code behind. I am using VS 2010. Please help me in this regard.

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• Xpages - Get number of active sessions

  - by Jairo

  How do I get the number of active sessions in Xpage. I'm trying to use managed beans but it just returns a weird string. Here's the simple code: import javax.servlet.http.HttpSessionEvent; import javax.servlet.http.HttpSessionListener; public class SessionCounterListener implements HttpSessionListener { private static int totalActiveSessions; public static int getTotalActiveSessions(){ return totalActiveSessions | 0; } public void sessionCreated(HttpSessionEvent arg0) { totalActiveSessions++; System.out.println("sessionCreated - add one session into counter"); } public void sessionDestroyed(HttpSessionEvent arg0) { totalActiveSessions--; System.out.println("sessionDestroyed - deduct one session from counter"); } } I got this from here. But when I call SessionCounterListener.getTotalActiveSessions(), it only returns a weird string, example com.gs3.beans.SessionCounterListener@46c446c4. Please help me. Thanks a lot!

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• How can I turn on DynamicCompression feature of IIS programmatically?

  - by LockeVN

  I'm making an installer program for my web application. My web application uses CSS and JS heavily, so I want to enable both Static and Dynamic HttpCompression for IIS7/7.5. It needs 2 steps: I can modified the web.config, put <httpcompression> tag, it's ok. DynamicContentCompression must be turned on in Windows Feature to make httpCompression work. Static HttpCompression is enable by default in IIS7 and IIS7.5, but Dynamic HttpCompression is not enable by default (although it's available). I can do manually by turn on: Start/ControlPanel/ProgramsAndFeatures/TurnWindowsFeatures on or Off/IIS/WWW Service/Performance features/Dynamic Content Compression, but How can I programmatically turn it on that Windows Feature? I can use PowerShell, C# in my installer. Any idea how I might be able to do this? Thanks.

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• Trouble with onscreen keyboard orientation in iPhone OpenGL ES application.

  - by Plumenator

  I need to take keyboard input in my OpenGL ES application, so I just created an empty UITextView and added it as a subview to the main window along with the view that presents my content. I use the UITextview to control the keyboard and it works fine in a single orientation. I then changed my code to support all orientations by rotating the OpenGL content myself based on UIDeviceOrientation notifications. To rotate the keyboard, I overrode the shouldAutoRotateInterfaceOrientation method in the UITextView's controller. But I still see that the keyboard does not rotate according to the orientation. Any clues?

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