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• Sendto shortcuts not working on Vista

  - by tbischel

  I'm trying to customize my sendto shortcut following instructions posted on a How-To Geek article. The problem is that any shortcut I drop into the sendto folder doesn't appear as a shortcut when I right-click-sendto. If I copy the actual application (say, Notepad) into the Sendto folder, it will appear as an option but it will not run. If I create a shortcut by copying the actual application and pasting a shortcut, it doesn't appear. Anyone run into this problem before?

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• Identify Executable Creating Network Traffic

  - by jeffspost

  I've got some application on my Windows XP machine that is generating an HTTP request to aaronsw.com every half hour. We've trapped the packets in wireshark, but wireshark doesn't tell what application generated the packets. Is there any utility that looks at network traffic AND tells what executable produced the traffic?

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• How to disable Finder launching at login in Snow Leopard?

  - by fooman

  Pre-Snow Leopard, I could use the following command: defaults write com.apple.loginwindow Finder /Applications/My-replacement-app-such-as-Terminal.app Which would a.) replace the Finder launching at login with an application of my choice, and b.) cause that application to launch instead of Finder when all other applications are quit. Is it possible to do this in Snow Leopard, or has this behavior been deprecated? (I don't want to disable Finder altogether, I just don't want it to start at login.)

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• How UIWindow#addSubview can make memory leak?

  - by Jakub

  Hello, I started to learn using Instrument, but I cannot figure it out. After I start my application, the UI shows up, I do nothing and after few seconds I can see memory leak detected: When I have a look at the second leak I can see the following stack: When I double click on the cell related to my code I can see that it is pointing to the following line of code: [window addSubview:newPostUIViewController.view]; from the method: - (void)applicationDidFinishLaunching:(UIApplication *)application { //creating view controller newPostUIViewController = [[NewPostUIViewController alloc] initWithNibName:@"NewPostView" bundle:nil]; newPostUIViewController.title = @"Post it!"; [window addSubview:newPostUIViewController.view]; // Override point for customization after application launch [window makeKeyAndVisible]; } I wonder, how this can be a reason of a leak? I release newPostUIViewController in the dealloc method of PostItAppDelegate class. Any ideas how this could be explained?

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• How to add a dynamic library to Android?

  - by Malcolm

  I want to add a non-native shared library to Android so every application on the device would be able to use it. I mean using packaged classes just like a core library as if they were present in the application itself. I studied Android source code to figure out a way to add a new path to the application ClassLoader and found out that it is created during startup and there's no way to change the paths later. I can use my own ClassLoader, but all I will get after loading a class will be a reference to a Class object. This way I will be bound to work through reflection mechanism, which is slower than the native execution system. Is there any way to organise a shared library on Android?

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• Keep Windows Mobile 6 phone alive in C#

  - by QAH

  Hello! I am making an application for Windows Mobile 6.1 Pocket PC (Touchscreen). I know when a Pocket PC's screen turns off, it goes into a standby mode and applications are pretty much halted in the background. My application can't do that. It needs to keep going. So my question is, how can I keep the phone alive (backlight turned on) until my application is done? An example of this would be video streaming applications such as Youtube. It keeps the phone on while the video is playing. Thanks

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• Wpf: Tips for better performance

  - by viky

  I am working on a wpf application. In which I am working with a TreeView, each node represents different datatypes, these datatypes are having properties defined and using data template to show their properties. My application reads from xml and create tree accordingly. My problem is that when I load it, it is too slow, I want to know about the tricks that will help me to improve performance of my(any) wpf application. Edit: Please provide me some tips for better performance in wpf!! I am using wpf Profiler but it is not much helpful for me.

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• Eclipse Helios on OS X Snow Leopard crashes frequently when editing certain PHP files

  - by William

  I use Eclipse Helios (Eclipse Platform: 3.6.0.I20100608-0911, Eclipse IDE for PHP Developers: 1.3.0.20100617-0520) all the time on OS X (Snow Leopard), and it seems I only run into trouble whenever I'm editing a PHP file that's part of the WordPress blogging framework. When I move my cursor to a variable or function name, that often triggers the beach ball of death. I suspect Eclipse is trying to look up that variable/function and for some reason that causes an endless loop. Sometimes it's not just variables or functions. Just today I was trying to replace all occurrences of a quoted string. Every time I clicked "Replace All", the program would freeze immediately after the string was replaced and the text cursor was moved to the replaced position. I think the moving of the text cursor is important, because I got the same result when I searched for the string (thus moving the cursor), but NOT when I searched for a nonexistent string. I tried disabling everything in my preferences related to marked occurrences, hovering, code assistance, etc. Nothing helps. I use Eclipse for all my projects, and I find that it's only WordPress projects where this happens. Here's my eclipse.ini file: -startup ../../../plugins/org.eclipse.equinox.launcher_1.1.0.v20100507.jar --launcher.library ../../../plugins/org.eclipse.equinox.launcher.cocoa.macosx_1.1.0.v20100503 -product org.eclipse.epp.package.php.product --launcher.defaultAction openFile -showsplash org.eclipse.platform --launcher.XXMaxPermSize 512m --launcher.defaultAction openFile -vmargs -Dosgi.requiredJavaVersion=1.5 -XstartOnFirstThread -Dorg.eclipse.swt.internal.carbon.smallFonts -XX:PermSize=128m -XX:MaxPermSize=128m -XX:MaxGCPauseMillis=10 -XX:MaxHeapFreeRatio=70 -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:+CMSIncrementalPacing -XX:CompileThreshold=5 -Xms128m -Xmx512m -Xss2m -Xdock:icon=../Resources/Eclipse.icns -XstartOnFirstThread -Dorg.eclipse.swt.internal.carbon.smallFonts -framework ../../../plugins/org.eclipse.osgi.services_3.2.100.v20100503.jar I have 4GB of RAM, so I don't know if the problem is I'm underutilizing my resources. Here's what I see over and over in the error log: !ENTRY org.eclipse.jface 2 0 2011-01-16 16:26:21.533 !MESSAGE Keybinding conflicts occurred. They may interfere with normal accelerator operation. !SUBENTRY 1 org.eclipse.jface 2 0 2011-01-16 16:26:21.533 !MESSAGE A conflict occurred for ALT+COMMAND+Q P: Binding(ALT+COMMAND+Q P, ParameterizedCommand(Command(org.eclipse.ui.views.showView,Show View, Shows a particular view, Category(org.eclipse.ui.category.views,Views,Commands for opening views,true), org.eclipse.ui.handlers.ShowViewHandler@2a46d1, [Lorg.eclipse.ui.internal.commands.Parameter;@18f50c2,,true), [Lorg.eclipse.core.commands.Parameterization;@1ff1855), org.eclipse.ui.defaultAcceleratorConfiguration, org.eclipse.ui.contexts.window,,cocoa,system) Binding(ALT+COMMAND+Q P, ParameterizedCommand(Command(org.eclipse.ui.views.showView,Show View, Shows a particular view, Category(org.eclipse.ui.category.views,Views,Commands for opening views,true), org.eclipse.ui.handlers.ShowViewHandler@2a46d1, [Lorg.eclipse.ui.internal.commands.Parameter;@18f50c2,,true), [Lorg.eclipse.core.commands.Parameterization;@96b40c), org.eclipse.ui.defaultAcceleratorConfiguration, org.eclipse.ui.contexts.window,,cocoa,system) !ENTRY org.eclipse.core.net 1 0 2011-01-16 16:26:22.217 !MESSAGE System property http.proxyHost has been set to 127.0.0.1 by an external source. This value will be overwritten using the values from the preferences !ENTRY org.eclipse.core.net 1 0 2011-01-16 16:26:22.217 !MESSAGE System property http.proxyPort has been set to 8888 by an external source. This value will be overwritten using the values from the preferences !ENTRY org.eclipse.core.net 1 0 2011-01-16 16:26:22.218 !MESSAGE System property https.proxyHost has been set to 127.0.0.1 by an external source. This value will be overwritten using the values from the preferences !ENTRY org.eclipse.core.net 1 0 2011-01-16 16:26:22.219 !MESSAGE System property https.proxyPort has been set to 8888 by an external source. This value will be overwritten using the values from the preferences I did some experimenting with the particular script that's giving me trouble. It's a hybrid of HTML and PHP, so Eclipse has to do both HTML and PHP validation. I wondered if the HTML validation had something to do with it, so I created a new file, copied the contents over, and messed with the doctype element. I found that if I replaced the well-formed XHTML 1.0 Strict doctype element with a generic doctype (as such: <!DOCTYPE html>), then I did not crash the program just by moving the cursor around. I set all HTML validation rules to "Ignore", but it still didn't solve my problems. For now, I'm just going to echo the doctype using PHP instead of entering it literally. That seems to prevent crashes. I notice that when I move the cursor around the document, Eclipse displays the "xpath" to my current location at the bottom of the screen. Sometimes there's a delay while it figures out my current path. Perhaps when it's validating against the Strict doctype, it has problems quickly calculating the xpath as I move the cursor around? Maybe it has a stack overflow that causes it to crash.

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• log in as a proxy for a certain user

  - by Samuel

  We have a requirement, wherein the administrative user needs to proxy in as a certain user in an environment where several users (Role: User) are managed by an administrator (Role: Admin). e.g If we have the following users in the database (admin, user1, user2, user3), we would want the admin to proxy as 'user2' and use the system in certain scenarios. Authentication in our web application is based username / password credentials, what mechanisms are available for the admin to proxy as 'user2' when he doesn't have the password for 'user2'. How can the application track such access for audit purposes to mention that 'admin' had proxied for 'user2' and performed certain actions. I am looking for suggestions on supporting this in our j2ee (jboss seam) web application.

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• Memory issue regarding UIImageView on IPhone 4.0 / IPad

  - by Sagar Mane

  Hello All, My Application is crashing due to low memory [ Received memory warning level 1 + 2] To trace this I have used Instrument and come with following points Test Enviorment : Single view controller added on Window When I don't use UIImageView Real Memory is used 3.66 MB When I uses UIImageView with Image having size 25 KB : Real Memory is used 4.24 MB. almost 560 KB extra when compare to w/o UIImageView and which keep on adding as I am adding more UIImageview on the view. below is sample code for adding UIImageview which I am refering UIImageView* iSplashImage = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"Default-Landscape.png"]]; iSplashImage.frame = CGRectMake(0, 0, 320, 480); [self.window addSubview:iSplashImage]; AND dealloc if(iSplashImage) { [iSplashImage release]; iSplashImage = nil; } Issue is this 560 KB is not getting release and after some time application receives low memory warning. Can anyone point out if I am missing something or doing else. As My application uses lots of Images in One session. Thanks in Advance, Sagar

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• Persistence with Vaadin

  - by palto

  Hi I'm trying to learn vaadin. I'm really confused how to do any kind of application development with persistence because if I have a reference to my service layer objects, they get stored in session and I really don't want that. Persistence stuff just isn't serializable. My case is that I have an already made application that uses Spring and I'm creating a new UI for it with Vaadin. I can inject the spring stuff to my Vaadin application but that gets stored in the session. Any tips? By the way how do you post in the Vaadin forums? I can't find a post button or way to register :)

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• The host 'smtp' could not be found.

  - by SmartestVEGA

  I am getting the following error while sending mail by click of a button in MS access form I am using sendObject to send mail using vba code. The host 'smtp' could not be found. Please verify that you have entered the server name correctly. Account: 'pop3', Server: 'smtp', Protocol: SMTP, Port: 25, Secure(SSL): No, Socket Error: 11001, Error Number: 0x800CCC0D Points to note: I am able to send and receive mails in my outlook; Problem is only when send mails through VBA access application.(Means it is not a outlook client configuration problem) When i copy paste the Vba application to another PC, i could successfully send emails without any error. (means this is not a vba access application problem) Please help.

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• Error Handling without Exceptions

  - by James

  While searching SO for approaches to error handling related to business rule validation , all I encounter are examples of structured exception handling. MSDN and many other reputable development resources are very clear that exceptions are not to be used to handle routine error cases. They are only to be used for exceptional circumstances and unexpected errors that may occur from improper use by the programmer (but not the user.) In many cases, user errors such as fields that are left blank are common, and things which our program should expect, and therefore are not exceptional and not candidates for use of exceptions. QUOTE: Remember that the use of the term exception in programming has to do with the thinking that an exception should represent an exceptional condition. Exceptional conditions, by their very nature, do not normally occur; so your code should not throw exceptions as part of its everyday operations. Do not throw exceptions to signal commonly occurring events. Consider using alternate methods to communicate to a caller the occurrence of those events and leave the exception throwing for when something truly out of the ordinary happens. For example, proper use: private void DoSomething(string requiredParameter) { if (requiredParameter == null) throw new ArgumentExpcetion("requiredParameter cannot be null"); // Remainder of method body... } Improper use: // Renames item to a name supplied by the user. Name must begin with an "F". public void RenameItem(string newName) { // Items must have names that begin with "F" if (!newName.StartsWith("F")) throw new RenameException("New name must begin with /"F/""); // Remainder of method body... } In the above case, according to best practices, it would have been better to pass the error up to the UI without involving/requiring .NET's exception handling mechanisms. Using the same example above, suppose one were to need to enforce a set of naming rules against items. What approach would be best? Having the method return a enumerated result? RenameResult.Success, RenameResult.TooShort, RenameResult.TooLong, RenameResult.InvalidCharacters, etc. Using an event in a controller class to report to the UI class? The UI calls the controller's RenameItem method, and then handles an AfterRename event that the controller raises and that has rename status as part of the event args? The controlling class directly references and calls a method from the UI class that handles the error, e.g. ReportError(string text). Something else... ? Essentially, I want to know how to perform complex validation in classes that may not be the Form class itself, and pass the errors back to the Form class for display -- but I do not want to involve exception handling where it should not be used (even though it seems much easier!) Based on responses to the question, I feel that I'll have to state the problem in terms that are more concrete: UI = User Interface, BLL = Business Logic Layer (in this case, just a different class) User enters value within UI. UI reports value to BLL. BLL performs routine validation of the value. BLL discovers rule violation. BLL returns rule violation to UI. UI recieves return from BLL and reports error to user. Since it is routine for a user to enter invalid values, exceptions should not be used. What is the right way to do this without exceptions?

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• Running SEP scans with the SYSTEM account

  - by Eric

  I need to run Symantec Endpoint Protection scans on Windows 7 systems using the SYSTEM account. I know that I can run DoScan.exe to manually run a scan, and this works fine using a regular user account. Unfortunately, when I try to run DoScan as SYSTEM, the application exits immediately without running a scan. Is there a way that I can get this to work, or another application besides DoScan.exe that I should be using?

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• Uninstaller that can work with failed installs

  - by Nifle

  I'd like an application that can uninstall applications that does not show up in the normal add/remove applications. I have an application that failed to install properly. It installs half way and then crashes leaving short cuts, folders with exe and config files in and some stuff in the registry. Ideally I would like to be able to point the uninstaller to the install dir and tell it to remove everything that references files in that dir.

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• error with Security Exception

  - by Alexander

  I am getting the following error on my page: 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. The problem is with the following code SmtpClient mailClient = new SmtpClient("smtp.gmail.com", 587); What's weird is that when testing it at my localhost, everything works fine, but when I put it on my 1and1 web host it generates the error above. I contacted their support and here's their answer. We do check the error logs and the operation require a FullTrust environment which currently fall under restriction on .NET Framewor k What should I do?

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• Hibernate configuration files not found by Axis2

  - by DanJo519

  I am writing a web service to be deployed on Tomcat using Axis2. I am using Hibernate3 to persist data between the web service and a MySQL database. When running the application through by IDE, the method I am exposing through Axis2 works as intended, however when I deploy the .aar to Tomcat, I receive a SOAP Error claiming that hibernate.cfg.xml cannot be found. However, inside the .aar, I clearly see that all the configuration file and all the mapping files are included. I have determined a workaround: If I place the resulting files from the Netbeans build/class folder into the axis2/WEB-INF/class folder, then the application works as expected. My question, then, is is there a better way to deploy my application so that Axis2 will pick up the configuration and mapping files through the deployed .aar without my manually having to copy the contents of the build/class folder into the axis2/WEB-INF/class folder?

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• BackgroundWorker not working with TeamCity NUnit runner

  - by Catalin DICU

  I'm using NUnit to test View Models in a WPF 3.5 application and I'm using the BackgroundWorker class to execute asynchronous commands.The unit test are running fine with the NUnit runner or ReSharper runner but fail on TeamCity 5.1 server. How is it implemented : I'm using a ViewModel property named IsBusy and set it to false on BackgroundWorker.RunWorkerCompleted event. In my test I'm using this method to wait for the BackgroundWorker to finish : protected void WaitForBackgroundOperation(ViewModel viewModel) { int count = 0; while (viewModel.IsBusy) { RunBackgroundWorker(); if (count++ >= 100) { throw new Exception("Background operation too long"); } Thread.Sleep(100); } } private static void RunBackgroundWorker() { Dispatcher.CurrentDispatcher.Invoke(DispatcherPriority.Background, new ThreadStart(delegate { })); System.Windows.Forms.Application.DoEvents(); } Well, sometimes it works and sometimes it hangs the build. I suppose it's the Application.DoEvents() but I don't know why...

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• WebClient.UploadFile() throws exception while uploading files to sharepoint

  - by Royson

  In my application i am uploading files to sharepoint 2007. I am using using (WebClient webClient = new WebClient()) { webClient.Credentials = new NetworkCredential(userName, password); webClient.Headers.Add("Content-Type", "application/x-vermeer-urlencoded"); webClient.Headers.Add("X-Vermeer-Content-Type", "application/x-vermeer-urlencoded"); String result = Encoding.UTF8.GetString(webClient.UploadData(webUrl + "/_vti_bin/_vti_aut/author.dll","POST", data.ToArray())); } the code is running successfully..but for some files it throws exception The underlying connection was closed: The connection was closed unexpectedly. at System.Net.WebClient.UploadDataInternal(Uri address, String method, Byte[] data, WebRequest& request) at System.Net.WebClient.UploadData(Uri address, String method, Byte[] data) at System.Net.WebClient.UploadData(String address, String method, Byte[] data) Any Ideas what I have done wrong? I am using VS-2008 2.0

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• what is the global.asax Application_Start equivalent when using WAS in IIS7

  - by Mike Tours

  Hi I'd like to use the netTcpBinding for my WCF application which is currently hosted in IIS7, which means configuring it to use WAS instead. This is fairly straight forward however, my application previously made use of the Application_Start event in the global.asax file. I do not require access to the httpContext(which I understand access has been removed in IIS7), however I would still like to hook into the start or init methods? Does an equivalent exist when hosting an application in WAS as apposed to IIS7? Using classic mode is not an option(again I'm not interested in the httpcontext and this only appears to work if using an http binding) - and I've seen an example of putting a static class instide the app_code folder which looks like a horrible hack.

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• lowest latency, least overhead app server?

  - by Mark Harrison

  I'm designing an application which will have a network interface for feeding out large numbers of very small metadata requests. The application code itself is very fast, basically looking up data cached in memory and sending it to the client. What's the absolute lowest latency I can get for a network application server running on a linux box? This will be an internal app running on gigE with no authentication. Any language/framework considered, with a preference for C, C++, or Python. Likewise for protocol, although HTTP would be nice.

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• Why wouldn't a flex remoteobject work within a custom component?

  - by Gary

  Please enlighten this flex noob. I have a remoteobject within my main.mxml. I can call a function on the service from an init() function on my main.mxml, and my java debugger triggers a breakpoint. When I move the remoteobject declaration and function call into a custom component (that is declared within main.mxml), the remote function on java-side no longer gets called, no breakpoints triggered, no errors, silence. How could this be? No spelling errors, or anything like that. mxml code: &ltmx:RemoteObject id="myService" destination="remoteService" endpoint="$(Application.application.home}/messagebroker/amf" &gt &lt/mx:RemoteObject%gt function call is just 'myService.getlist();' when I move it to a custom component, I import mx.core.Application; so the compiler doesn't yell

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• Java - JPA - When we need more than one EntityManager?

  - by Yatendra Goel

  I am learning JPA and have one question: In which situations we need more than one EntityManager in our application? The two situations that I am aware of are as follows: When our application is a multi-threaded application and more than one thread needs JPA transaction because EntityManager is not thread-safe and we need one EntityManager per thread. When any of the thread needs multiple concurrent transactions, we need more than one EntityManager in that thread because there is one-to-one relationship between EntityManager and EntityTransaction. Q1. Are there any other situations when we need more than one EntityManager? ================================================================================= Q2. Upto my understanding, there should be only one EntityManagerFactory per Persitence Unit. Am I correct? If not, then what are those situations when we need multiple EntityManagerFactory per Persistence Unit?

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• Exec Maven Plugin to Command Line

  - by mistercaste

  I have an application developed in NetBeans/Maven that can be started via command line with: mvn exec:exec "-Dexec.executable=C:\\Java\\jdk1.6.0_33\\bin\\java.exe" "-Dexec.args=-Dlog4j.properties=... -classpath %classpath com.xxx.MyLauncher" -Dexec.classpathScope=runtime -Dexec.workingdir= Now I need to run the application through the standard java command line method, like: java -Dlog4j.properties=... -jar myapp-1.2-SNAPSHOT.jar Unfortunately this does not work in the same manner, as I get the following exception: opencard.core.util.OpenCardPropertyLoadingException: property file not found Questions: What is the difference between launching applications with the Exec-Maven-plugin and the standard java execution on command line? Is there an easy way to convert a Maven execution script to a standard command line? How to run the application succesfully?

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• Java run time environment mac

  - by Gatura

  I am trying to install an application on a MAC 10.6.4, however i get an installation error that no java runtime environment. However on the java website, the mac section indicates that MAC provides its own java and should use the software update software to get the latest java application. I have done this and gotten the latest java however I still get the same error no java run time is there something am missing?

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