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• PHP + IIS Application Pool Identity Windows\Temp permissions

  - by Matt Boothman

  I am currently running PHP (5.3) on IIS 7.5 on a Win2k8 R2 Web Edition Server and would like to know what, if any, problems or security vulnerabilities I may introduct into a system by assigning Read, Write, Modify & Execute permissions to either IUSR account or the IIS_USERS group for %SystemRoot%\Temp? Should I be altering permissions to that folder at all (as Windows reminds me I probably shouldn't when i attempt to change them)? Should I create a temp folder somewhere else and set permissions accordingly? The problem is when i set Anonymous Authentication (I'm guessing is a more secure option???) to use the App Pool identity, when starting sessions PHP gets stuck in a loop because it's unable to create session files in the %SystemRoot%\Temp folder due to lack of permission on the application pool user or IIS_USERS group. Another problem being ImageMagick (PHP Extension) is being denied access to %SystemRoot%\Temp to write temporary files so is throwing exceptions. I have tried searching Google however have not found anything that touches upon this subject specifically. Any help greatly appreciated.

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• Cannot install Oracle Application server

  - by ziftech

  After succesfull installation of database 10g server, I cannot run install file for application server - it closed unexpectly. How can be problem investigated? Log file contains: Checking installer requirements... Checking operating system version: must be 5.0, 5.1 or 5.2. Actual 5.2 Passed Checking monitor: must be configured to display at least 256 colors. Actual 4294967296 Passed Checking swap space: must be greater than 1535 MB. Actual 4092MB Passed Checking Temp space: must be greater than 150 MB. Actual 5083 MB Passed All installer requirements met.

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• application that could track amount of downloads

  - by user23950

  My ISP only limits me for downloading about 25gb a month. After exceeding the limit, my speed goes down by half for another month. And its really a pain. I'm real addicted on downloading stuff from the internet. My question is: Is there an application that can track the amount/size of downloads in a month. Is there a trick that I could use to fool the eyes of my ISP. If they say 25 Gb limit in a month. Does it include the webpages, manga streams, video & audio streams. Or just direct download and p2p.

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• Warming up an IIS Application Pool automatically?

  - by Michael Stum

  So IIS likes to shut down app pools that aren't in use. While this makes sense, I would like to have certain app pools conterminously running, but I don't want to just disable the automatic app pool restart as some of the settings (e.g., maximum memory limit) are good to have. I know that Microsoft announced the IIS Application Warmup module as an IIS 7.5 feature only then to do a Bait & Switch and pull it again so that they can put it in IIS 8 instead, so I wonder if something exists to run on IIS 7.5/Windows 2008 R2?

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• Oracle application - files missing in the Mount point in UNix server

  - by arun_V

  My oracle application test instance is down, When I browse through the Unix server, I couldn’t find any files in the mount point,U01 U06 or U10, when I put BDF command it shows the following $ bdf Filesystem kbytes used avail %used Mounted on /dev/vg00/lvol3 204800 35571 158662 18% / /dev/vg00/lvol1 299157 38506 230735 14% /stand /dev/vg00/lvol8 1392640 1261068 123620 91% /var /dev/vg00/lvol7 1327104 825170 470631 64% /usr /dev/vg00/lvol4 716800 385891 310746 55% /tmp /dev/vg00/lvol6 872448 814943 53936 94% /opt /dev/vg00/lvolssh 32768 13243 18306 42% /opt/openssh /dev/vg00/lvol5 204800 187397 16334 92% /home /dev/vg00/lvolback 512000 472879 36704 93% /backup dg-ora04:/dgora03_u10 204800 167088 35416 83% /u10 dg-ora04:/dgora03_u06 204800 167088 35416 83% /u06 dg-ora04:/dgora03_u01 204800 167088 35416 83% /u01 Why can't I see any files inside the mount points?

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• Securing Back End API for Mobile Applications

  - by El Guapo

  I have an application that I am writing for both iOS and Android; this application will be served by a ReSTFUL API running on a cluster of servers on "the internets". I am curious how the rest of the world is going about securing their APIs so only specific applications running on iOS or Android can use these APIs. I could go the same route as other OAuth providers by providing a key/secret combination (2-legged OAuth), however, what do I do if I ever have to change these keys??? Do I create a new key/secret for every person that downloads the app??? The application is a social-based game that will allow the user to interact with other "participants" in the game based on location, achievements, etc. The API will provide the following functions: -Questions, Quests, etc -Profile Management -User Interaction -Possible Social Interaction Once the app gains traction I plan on opening up the API ala Facebook, Twitter, etc. Which is easy enough, I plan on implementing an OAuth Server and whatnot. However, I want to make sure, during this phase, that only people who are using the application can access and use the API.

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• iOS chat application design, sending/relaying the message over to the end user

  - by AyBayBay

  I have a design question. Let us say you were tasked with building a chat application, specifically for iOS (iOS Chat Application). For simplicity let us say you can only chat with one person at a time (no group chat functionality). How then can you achieve sending a message directly to an end user from phone A to phone B? Obviously there is a web service layer with some API calls. One of the API calls available will be startChat(). After starting a chat, when you send a message, you make another async call, let us call it sendMessage() and pass in a string with your message. Once it goes to the web service layer, the message gets stored in a database. Here is where I am currently stuck. After the message gets sent to the web service layer, how do we then achieve sending/relaying the message over to the end user? Should the web server send out a message to the end user and notify them, or should each client call a receiveMessage() method periodically, and if the server side has some info for them it can then respond with that info? Finally, how can we handle the case in which the user you are trying to send a message to is offline? How can we make sure the end user gets the packet when he moves back to an area with signal?

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• wpf cancel backgroundworker on application exits

  - by toni

  Hi! In my application I have a main windows and into it, in a frame I load a page. This page do a long time task when the user press a button. My problem is that when long task is being doing and the user presses the close button of the main window, the application seems to not finish because I am debugging it in VS2008 and I can see the stop button highlighted. If I want to finish I have to press stop button, the application doesn't stop the debugging automatically on application exit. I thought .NET stops automatically backgroundworkers on application exits but I am not sure after seeing this behaviour. I have tried to force and cancel background worker in unloaded event page with something like this: private void Page_Unloaded(object sender, RoutedEventArgs e) { // Is the Background Worker do some work? if (My_BgWorker != null && My_BgWorker.IsBusy) { //If it supports cancellation, Cancel It if (My_BgWorker.WorkerSupportsCancellation) { // Tell the Background Worker to stop working. My_BgWorker.CancelAsync(); } } } but with no success. After doing CancelAsync(), a few minutes after, I can see the backgroundworker finishes and raise RunWorkerCompleted and I can see the task is completed checking e.Cancelled argument in the event but after this event is exectued the application continues without exiting and I have no idea what is doing.... I set WorkerSupportsCancellation to true to support cancel at the begining. I would apreciate all answers. Thanks.

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• Deploying Application with mvc in shared hosting server

  - by ankita-13-3

  We have created an MVC web application in asp.net 3.5, it runs absolutely fine locally but when we deploy it on godaddy hosting server (shared hosting), it shows an error which is related to trust level problem. We contacted godaddy support and they say, that we only support medium trust level application. So how to convert my application in medium trust level. Do I need to make changes to web.config file. It shows the following error : Security Exception Description: The application attempted to perform an operation not allowed by the security policy. To grant this application the required permission please contact your system administrator or change the application's trust level in the configuration file. Exception Details: System.Security.SecurityException: Request failed. Source Error: An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. Stack Trace: [SecurityException: Request failed.] System.Security.CodeAccessSecurityEngine.ThrowSecurityException(Assembly asm, PermissionSet granted, PermissionSet refused, RuntimeMethodHandle rmh, SecurityAction action, Object demand, IPermission permThatFailed) +150 System.Security.CodeAccessSecurityEngine.ThrowSecurityException(Object assemblyOrString, PermissionSet granted, PermissionSet refused, RuntimeMethodHandle rmh, SecurityAction action, Object demand, IPermission permThatFailed) +100 System.Security.CodeAccessSecurityEngine.CheckSetHelper(PermissionSet grants, PermissionSet refused, PermissionSet demands, RuntimeMethodHandle rmh, Object assemblyOrString, SecurityAction action, Boolean throwException) +284 System.Security.PermissionSetTriple.CheckSetDemand(PermissionSet demandSet, PermissionSet& alteredDemandset, RuntimeMethodHandle rmh) +69 System.Security.PermissionListSet.CheckSetDemand(PermissionSet pset, RuntimeMethodHandle rmh) +150 System.Security.PermissionListSet.DemandFlagsOrGrantSet(Int32 flags, PermissionSet grantSet) +30 System.Threading.CompressedStack.DemandFlagsOrGrantSet(Int32 flags, PermissionSet grantSet) +40 System.Security.CodeAccessSecurityEngine.ReflectionTargetDemandHelper(Int32 permission, PermissionSet targetGrant, CompressedStack securityContext) +123 System.Security.CodeAccessSecurityEngine.ReflectionTargetDemandHelper(Int32 permission, PermissionSet targetGrant, Resolver accessContext) +41 Look forward to your help. Regards Ankita Software Developer Shakti Informatics Pvt. Ltd. Web Template Hub

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• retrieve events where uid is the creator and application id is the admin - Facebook API

  - by Anup Parekh

  I would like to know if there is a Facebook API call to retrieve the events (eids) for all the events a user has created using my facebook connect application. The events are created using the following REST api call: https://api.facebook.com/method/events.create?event_info=' . $e_i . '&access_token=' . $cookie['access_token'] $e_i is the event info array where the 'host' value is set to 'Me' as follows $event_info['host'] = 'Me'; On Facebook events under the "Created by:" section it lists "My user name,Application Name", I presume this is because I am the creator and the application is the admin as stated in the REST api documentation http://developers.facebook.com/docs/reference/rest/events.create/ Unfortunately I cannot seem to find out how (neither REST nor GPRAPH API) to return a list of events where I am the creator and the application is the admin as in the above scenario. If this is possible I would really appreciate some assistance with how it is done. So far I have tried: REST API events.get using uid=application_id. This only returns events created by the application not those including the user who created them GRAPH API https://graph.facebook.com/me/events?fields=owner&access_token=... this returns all the events for 'me' but not where the application is also the admin. It seems strange that there's no reference to the linkage between the event creator and the event admin through the API but in Facebook it is able to pull both and display them on the event details.

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• PL-SQL - Two statements with begin and end, run fine seperately but not together?

  - by Twiss

  Hi all, Just wondering if anyone can help with this, I have two PLSQL statements for altering tables (adding extra fields) and they are as follows: -- Make GC_NAB field for Next Action By Dropdown begin if 'VARCHAR2' = 'NUMBER' and length('VARCHAR2')>0 and length('')>0 then execute immediate 'alter table "SERVICEMAIL6"."ETD_GUESTCARE" add(GC_NAB VARCHAR2(10, ))'; elsif ('VARCHAR2' = 'NUMBER' and length('VARCHAR2')>0 and length('')=0) or 'VARCHAR2' = 'VARCHAR2' then execute immediate 'alter table "SERVICEMAIL6"."ETD_GUESTCARE" add(GC_NAB VARCHAR2(10))'; else execute immediate 'alter table "SERVICEMAIL6"."ETD_GUESTCARE" add(GC_NAB VARCHAR2)'; end if; commit; end; -- Make GC_NABID field for Next Action By Dropdown begin if 'NUMBER' = 'NUMBER' and length('NUMBER')>0 and length('')>0 then execute immediate 'alter table "SERVICEMAIL6"."ETD_GUESTCARE" add(GC_NABID NUMBER(, ))'; elsif ('NUMBER' = 'NUMBER' and length('NUMBER')>0 and length('')=0) or 'NUMBER' = 'VARCHAR2' then execute immediate 'alter table "SERVICEMAIL6"."ETD_GUESTCARE" add(GC_NABID NUMBER())'; else execute immediate 'alter table "SERVICEMAIL6"."ETD_GUESTCARE" add(GC_NABID NUMBER)'; end if; commit; end; When I run these two queries seperately, no problems. However, when run together as shown above, Oracle gives me an error when it starts the second statement: Error report: ORA-06550: line 15, column 1: PLS-00103: Encountered the symbol "BEGIN" 06550. 00000 - "line %s, column %s:\n%s" *Cause: Usually a PL/SQL compilation error. *Action: I'm assuming that this means the first statement is not terminated properly... is there anything I should put inbetween the statements to make it work properly? Thanks in advance everyone!

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• Beware when using .NET's named pipes in a windows forms application

  - by FransBouma

  Yesterday a user of our .net ORM Profiler tool reported that he couldn't get the snapshot recording from code feature working in a windows forms application. Snapshot recording in code means you start recording profile data from within the profiled application, and after you're done you save the snapshot as a file which you can open in the profiler UI. When using a console application it worked, but when a windows forms application was used, the snapshot was always empty: nothing was recorded. Obviously, I wondered why that was, and debugged a little. Here's an example piece of code to record the snapshot. This piece of code works OK in a console application, but results in an empty snapshot in a windows forms application: var snapshot = new Snapshot(); snapshot.Record(); using(var ctx = new ORMProfilerTestDataContext()) { var customers = ctx.Customers.Where(c => c.Country == "USA").ToList(); } InterceptorCore.Flush(); snapshot.Stop(); string error=string.Empty; if(!snapshot.IsEmpty) { snapshot.SaveToFile(@"c:\temp\generatortest\test2\blaat.opsnapshot", out error); } if(!string.IsNullOrEmpty(error)) { Console.WriteLine("Save error: {0}", error); } (the Console.WriteLine doesn't do anything in a windows forms application, but you get the idea). ORM Profiler uses named pipes: the interceptor (referenced and initialized in your application, the application to profile) sends data over the named pipe to a listener, which when receiving a piece of data begins reading it, asynchronically, and when properly read, it will signal observers that new data has arrived so they can store it in a repository. In this case, the snapshot will be the observer and will store the data in its own repository. The reason the above code doesn't work in windows forms is because windows forms is a wrapper around Win32 and its WM_* message based system. Named pipes in .NET are wrappers around Windows named pipes which also work with WM_* messages. Even though we use BeginRead() on the named pipe (which spawns a thread to read the data from the named pipe), nothing is received by the named pipe in the windows forms application, because it doesn't handle the WM_* messages in its message queue till after the method is over, as the message pump of a windows forms application is handled by the only thread of the windows forms application, so it will handle WM_* messages when the application idles. The fix is easy though: add Application.DoEvents(); right before snapshot.Stop(). Application.DoEvents() forces the windows forms application to process all WM_* messages in its message queue at that moment: all messages for the named pipe are then handled, the .NET code of the named pipe wrapper will react on that and the whole process will complete as if nothing happened. It's not that simple to just say 'why didn't you use a worker thread to create the snapshot here?', because a thread doesn't get its own message pump: the messages would still be posted to the window's message pump. A hidden form would create its own message pump, so the additional thread should also create a window to get the WM_* messages of the named pipe posted to a different message pump than the one of the main window. This WM_* messages pain is not something you want to be confronted with when using .NET and its libraries. Unfortunately, the way they're implemented, a lot of APIs are leaky abstractions, they bleed the characteristics of the OS objects they hide away through to the .NET code. Be aware of that fact when using them :)

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• Why do the GNOME symbolic icons appear darker in a running application?

  - by David Planella

  I'm creating an application that uses symbolic icons from the default theme. However, there are a few icons that I need that cannot be represented by those from the default theme, so I'm creating my own ones. What I did was to simply go to /usr/share/icons/gnome/scalable/actions/, copied a few locally into my app's source tree that could serve as a basis, and started editing them. So far so good. But I've noticed the following: all symbolic icons are of a light grey color when looking at the original .svg file, but when they are put onto a widget, they become darker. Here's an example, using the /usr/share/icons/gnome/scalable/actions/view-refresh-symbolic.svg icon from the default theme: Here's what it looks like when opening the original with Inkscape: And here's what it looks like on a toolbar on a running application: Notice the icon being much darker at runtime. That happens both with the Ambiance and Radiance themes. I wouldn't mind much, but I noticed it affects my custom icon, whereby parts of it become darker (the inner fill), whereas parts of it remain the same color as the original (the stroke). So what causes the default symbolic icons to darken and how should implement that for my custom icons?

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• End user query syntax?

  - by weberc2

  I'm making a command line tool that allows end users to query a statically-schemed database; however, I want users to be able to specify boolean matchers in their query (effectively things like "get rows where (field1=abcd && field2=efgh) || field3=1234"). I did Googling a solution, but I couldn't find anything suitable for end users--still, this seems like it would be a very common problem so I suspect there is a standard solution. So: What (if any) standard query "languages" are there that might be appropriate for end users? What (if any) de facto standards are there (for example, Unix tools that solve similar problems). Failing the previous two options, can you suggest a syntax that would be simple, concise, and easy to validate?

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• Application.Current.Shutdown() vs. Application.Current.Dispatcher.BeginInvokeShutdown()

  - by Daniel Rose

  First a bit of background: I have a WPF application, which is a GUI-front-end to a legacy Win32-application. The legacy app runs as DLL in a separate thread. The commands the user chooses in the UI are invoked on that "legacy thread". If the "legacy thread" finishes, the GUI-front-end cannot do anything useful anymore, so I need to shutdown the WPF-application. Therefore, at the end of the thread's method, I call Application.Current.Shutdown(). Since I am not on the main thread, I need to invoke this command. However, then I noticed that the Dispatcher also has BeginInvokeShutdown() to shutdown the dispatcher. So my question is: What is the difference between invoking Application.Current.Shutdown(); and calling Application.Current.Dispatcher.BeginInvokeShutdown();

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• 5 minutes WIF: Make your ASP.NET application use test-STS

  - by DigiMortal

  Windows Identity Foundation (WIF) provides us with simple and dummy STS application we can use to develop our system with no actual STS in place. In this posting I will show you how to add STS support to your existing application and how to generate dummy application that plays you real STS. Word of caution! Although it is relatively easy to build your own STS using WIF tools I don’t recommend you to build it. Identity providers must be highly secure and stable in every means and this makes development of your own STS very complex task. If it is possible then use some known STS solution. I suppose you have WIF and WIF SDK installed on your development machine. If you don’t then here are the links to download pages: Windows Identity Foundation Windows Identity Foundation SDK Adding STS support to your web application Suppose you have web application and you want to externalize authentication so your application is able to detect users, send unauthenticated users to login and work in other terms exactly like it worked before. WIF tools provide you with all you need. 1. Click on your web application project and select “Add STS reference…” from context menu to start adding or updating STS settings for web application. 2. Insert your application URI in application settings window. Note that web.config file is already selected for you. I inserted URI that corresponds to my web application address under IIS Express. This URI must exist (later) because otherwise you cannot use dummy STS service. 3. Select “Create a new STS project in the current solution” and click Next button. 4. Summary screen gives you information about how your site will use STS. You can run this wizard always when you have to modify STS parameters. Click Finish. If everything goes like expected then new web site will be added to your solution and it is named as YourWebAppName_STS. Dummy STS application Image on right shows you dummy STS web site. Yes, it is created as web site project not as web application. But it still works nice and you don’t have to make there any modifications. It just works but it is dummy one. Why dummy STS? Some points about dummy STS web site: Dummy STS is not template for your own custom STS identity provider. Dummy STS is very good and simple replacement of real STS so you have more flexible development environment and you don’t have to authenticate yourself in real service. Of course, you can modify dummy STS web site to mimic some behavior of your real STS. Pages in dummy STS Dummy STS has two pages – Login.aspx and  Default.aspx. Default.aspx is the page that handles requests to STS service. Login.aspx is the page where authentication takes place. Dummy STS authenticates users using FBA. You can insert whatever username you like and dummy STS still works. You can take a look at the code behind these pages to get some idea about how this dummy service is built up. But again – this service is there to simplify your life as developer. Authenticating users using dummy STS If you are using development web server that ships with Visual Studio 2010 I suggest you to switch over to IIS or IIS Express and make some more configuration changes as described in my previous posting Making WIF local STS to work with your ASP.NET application. When you are done with these little modifications you are ready to run your application and see how authentication works. If everything is okay then you are redirected to dummy STS login page when running your web application. Adam Carter is provided as username by default. If you click on submit button you are authenticated and redirected to application page. In my case it looks like this. Conclusion As you saw it is very easy to set up your own dummy STS web site for testing purposes. You coded nothing. You just ran wizard, inserted some data, modified configuration a little bit and you were done. Later, when your application goes to production you can run again this STS configuration utility and it generates correct settings for your real STS service automatically.

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• What's the better user experience: Waiting once at startup for a long time or waiting frequently for a short time?

  - by Roflcoptr

  I'm currently design an application that involves a lot of calculation. Now I have generally two possibilities which I have both tested: 1) During startup of the application I calculated only the most important values and these values that consume a lot of time. So the user has to wait approximately 15 seconds during startup. But on the other hand a lot of user interactions require recalculation so that the user often has to wait 2-3 seconds after clicking somewhere until the application has calculated and loaded all values 2) I load everything during startup. This takes from 90 to 120 seconds... This is quite a long time, but the big advantage is that all the user interactions are executed immediately. So what would you generally consider the better approach? Loading all time-consuming operations during startup or when needed?

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• SpriteBatch.end() generating null pointer exception

  - by odaymichael

  I am getting a null pointer exception using libGDX that the debugger points as the SpriteBatch.end() line. I was wondering what would cause this. Here is the offending code block, specifically the batch.end() line: batch.begin(); for (int j = 0; j < 3; j++) for (int i = 0; i < 3; i++) if (zoomgrid[i][j].getPiece().getImage() != null) zoomgrid[i][j].getPiece().getImage().draw(batch); batch.end(); The top of the stack is actually a line that calls lastTexture.bind(); In the flush() method of com.badlogic.gdx.graphics.g2d.SpriteBatch. I appreciate any input, let me know if I haven't included enough information.

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• "Emulating" Application.Run using Application.DoEvents

  - by Luca

  I'm getting in trouble. I'm trying to emulate the call Application.Run using Application.DoEvents... this sounds bad, and then I accept also alternative solutions to my question... I have to handle a message pump like Application.Run does, but I need to execute code before and after the message handling. Here is the main significant snippet of code. // Create barrier (multiple kernels synchronization) sKernelBarrier = new KernelBarrier(sKernels.Count); foreach (RenderKernel k in sKernels) { // Create rendering contexts (one for each kernel) k.CreateRenderContext(); // Start render kernel kernels k.mThread = new Thread(RenderKernelMain); k.mThread.Start(k); } while (sKernelBarrier.KernelCount > 0) { // Wait untill all kernel loops has finished sKernelBarrier.WaitKernelBarrier(); // Do application events Application.DoEvents(); // Execute shared context services foreach (RenderKernelContextService s in sContextServices) s.Execute(sSharedContext); // Next kernel render loop sKernelBarrier.ReleaseKernelBarrier(); } This snippet of code is execute by the Main routine. Pratically I have a list of Kernel classes, which runs in separate threads, these threads handle a Form for rendering in OpenGL. I need to synchronize all the Kernel threads using a barrier, and this work perfectly. Of course, I need to handle Form messages in the main thread (Main routine), for every Form created, and indeed I call Application.DoEvents() to do the job. Now I have to modify the snippet above to have a common Form (simple dialog box) without consuming the 100% of CPU calling Application.DoEvents(), as Application.Run does. The goal should be to have the snippet above handle messages when arrives, and issue a rendering (releasing the barrier) only when necessary, without trying to get the maximum FPS; there should be the possibility to switch to a strict loop to render as much as possible. How could it be possible? Note: the snippet above must be executed in the Main routine, since the OpenGL context is created on the main thread. Moving the snippet in a separated thread and calling Application.Run is quite unstable and buggy...

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• How to manage end user documentation for a project under continuous integration?

  - by mcdon

  I have a project under continuous integration and would like to add end user documentation to the project. The end user documentation is a user manual, not API documentation. In our environment we use windows, c#, msbuild, cruisecontrol.net and subversion. We are currently using DocToHelp to create our help file, which is based on an msword document. I'm looking for some guidance on how to manage the end user documentation. What documentation tools should I use? Should any of the documentation tools be part of the build script? Should the output files from the documentation tool be stored in subversion? What type of help files would be best to use?

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• Given a start and end point, how can I constrain the end point so the resulting line segment is horizontal, vertical, or 45 degrees?

  - by GloryFish

  I have a grid of letters. The player clicks on a letter and drags out a selection. Using Bresenham's Algorithm I can create a line of highlighted letters representing the player's selection. However, what I really want is to have the line segment be constrained to 45 degree angles (as is common for crossword-style games). So, given a start point and an end point, how can I find the line that passes through the start point and is closest to the end point? Bonus: To make things super sweet I'd like to get a list of points in the grid that the line passes through, and for super MEGA bonus points, I'd like to get them in order of selection (i.e. from start point to end point).

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• Graphic demonstrating emphasis of front end in web apps

  - by sohail

  I remember stumbling across an amusing graphic a year or so ago which demonstrated the tiers of web development. The back-end was shown as a tiny box, but the front end was shown as a huge box crammed with lots of front-end technologies like AJAX, DHTML. This is all a vague recollection. Does anyone know where on the Intraweb this graphic might be? It was probably on a programming cartoon site, but I only view XKCD on a regular basis, and I couldn't find it on there. Although tagged as fun, my request does have a productive edge to it - it would be quite useful in driving home to my colleagues how UI top-heavy web application development has become.

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• Open an Application .exe window inside another application

  - by jpnavarini

  I have an application in WPF running. I would like that, when a button is clicked inside this application, another application opens, with its window maximized. However, I don't want my first application to stop and wait. I want both to be open and running independently. When the button is clicked again, in case the application is minimized, the application is maximized. In case it is not, it is open again. How is it possible using C#? I have tried the following: Process process = Process.GetProcesses().FirstOrDefault(f => f.ProcessName.Contains("Analysis")); ShowWindow((process ?? Process.Start("..\\..\\..\\MS Analysis\\bin\\Debug\\Chemtech.RT.MS.Analysis.exe")).MainWindowHandle.ToInt32(), SW_MAXIMIZE); But the window does not open, even though the process does start.

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• Hosting options for data-enabled web application

  - by Hertfordian

  I am independently developing an asp.net business application with a MySQL database. I currently have a Windows web hosting account which includes MySQL and MS SQL as installed supported options. I am not yet finally committed to using MySQL and I want to keep my options open to evaluate MS SQL and possibly other options such as PostGreSQL later when more of the business logic is in place - my data access layer will handle the database connectivity. The web hosting setup I have now is fine for development purposes, but if in future I want to use, say, PostGreSQL Server, and a level of usage of, say, 10,000 hits per day concentrated in business hours, I'm assuming I'll need a dedicated server. But in that case, should I just install PostGreSQL on the dedicated server, or is best practice to have a separate database server - perhaps locked down so that it can only be accessed through the web server? And supposing it was only 2000 hits a day - how would that change things? I'd appreciate it if anyone could point me in the direction of a useful guide to these sorts of issues. Naturally if I start paying for separate servers, I would like to know exactly why I'm doing it and what the performance issues and thresholds are.

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• Application.Current changes when using reflection to create an instance of another Application class

  - by markti

  Let's say I have the following Silverlight Applications: App1.xap App2.xap App3.xap Let's say that I start App1.xap as the default xap file. If I load App2.xap and App3.xap and instantiate an Application class within one of the other two XAPs. The Application.Current changes to be that new instance. System.Windows.Application obj = Activator.CreateInstance(type) as System.Windows.Application; I don't want the current application to change. I just want to get the merged Resource Dictionaries off the Application class.

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