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  • How can I pass a Context object to a thread on call

    - by Pentium10
    I have this code fragment: public static class ExportDatabaseFileTask extends AsyncTask<String, Void, Boolean> { private final ProgressDialog dialog = new ProgressDialog(ctx); protected void onPreExecute(); protected Boolean doInBackground(final String... args); protected void onPostExecute(final Boolean success); } I execute this thread as new ExportDatabaseFileTask().execute(); As you see I use a ctx as Context variable in the new ProgressDialog call, how do I pass a context to the call method? to this one: new ExportDatabaseFileTask().execute();*

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  • Specifying Locations relative to the context XML in Spring

    - by Daisuke Shimamoto
    Is there a way to reference a properties file relative to the Spring's context file itself? What I want to do is the below: <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"> <property name="locations"> <list> <!-- I want the below to be relative to this context XML file. --> <value>app.properties</value> </list> </property> </bean> I was imagining something like ${contextpath} that I could prepend to the above "app.properties" but couldn't find anything helpful. Thanks.

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  • Synchronization between user space process and interupt context code

    - by user1748950
    Recently I attended couple of interviews. Out of all kernel questions which were asked, thr is one specific question which I couldnt find convincing answer of. How will you use different synchronization techniques while sharing data between user space process and interrupt context function? My convincing answer was: In interrupt context code: 1. do *spin_lock_irqsave* 2. access data buffer which is shared between user space app and kernel 3. do *spin_lock_irqrestore* Then this was not convincing answer. Do I have to do irqsave and irqrestore in all the instances of data access? Regards, Yogi

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  • Changing the context of a self-executing function

    - by TaylorMac
    This code is copied directly from: http://www.bennadel.com/blog/2264-Changing-The-Execution-Context-Of-Your-Self-Executing-Function-Blocks-In-JavaScript.htm // Set the singleton value to the return value of the self- // executing function block. var singleton = (function(){ // Declare a private variable. var message = "Stop playing with your context!"; this.getMessage = function(){ return( message ); }; // Return this object reference. return( this ); }).call( {} ); // alert the singleton message. alert( "Message:", singleton.getMessage()); ?My thought is that I can use this to better contain the variables and functions in my programs. However, when I try to run the code in a JSfiddle: http://jsfiddle.net/xSKHh/ It does not return the message. What am I missing?

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  • Sysprep and Capture task sequence failing using MDT 2010

    - by Nic Young
    I have created a Windows Deployment Services server in Windows 2008 R2. When I originally set it up I was able to successfully use MDT 2010 to create my boot images as well as creating task sequences that would sysprep and capture, and deploy my custom .wim files. Everything was working perfectly. About a month later I boot up my Windows 7 x86 image and run Windows updates to keep my image up to date. I then go and run my sysprep and capture task sequence and I get the following errors: I searched online for the cause of this error message and it just seems to be a generic permission denied type of error message. I then decided to completely rebuild my VM image from scratch and try again. I am still getting the same error messages as before. The following is what I have tried troubleshooting this issue: Troubleshooting: I have ensured that that UAC and the firewall is turned completely off when trying to capture the image. I have tried recreating the task sequence and making sure that the deployment share is updated. I have ensured that the local Administrator account is enabled and has the same password as specified in the task sequence. I have tried joining the computer to the domain and running the task sequence and I get a different error: I have attempted to run the script from the command prompt with "Run as Administrator" and I still receive the same errors above. For testing purposes I have ensured that Everyone has read/write access to my deployment share. I have spent days on trying to resolve this to no avail. Any ideas? EDIT: Below is the log info from C:\Windows\Deploymentlogs\BDD.log as requested. <![LOG[LTI Windows PE applied successfully]LOG]!><time="11:48:34.000+000" date="07-25-2012" component="LTIApply" context="" type="1" thread="" file="LTIApply"> <![LOG[LTIApply processing completed successfully.]LOG]!><time="11:48:34.000+000" date="07-25-2012" component="LTIApply" context="" type="1" thread="" file="LTIApply"> <![LOG[Microsoft Deployment Toolkit version: 6.0.2223.0]LOG]!><time="11:48:35.000+000" date="07-25-2012" component="ZTIDrivers" context="" type="1" thread="" file="ZTIDrivers"> <![LOG[The task sequencer log is located at C:\Users\nicy\AppData\Local\Temp\SMSTSLog\SMSTS.LOG. For task sequence failures, please consult this log.]LOG]!><time="11:48:35.000+000" date="07-25-2012" component="ZTIDrivers" context="" type="1" thread="" file="ZTIDrivers"> <![LOG[Processing drivers for an X86 operating system.]LOG]!><time="11:48:35.000+000" date="07-25-2012" component="ZTIDrivers" context="" type="1" thread="" file="ZTIDrivers"> <![LOG[TargetOS is the current SystemDrive]LOG]!><time="11:48:35.000+000" date="07-25-2012" component="ZTIDrivers" context="" type="1" thread="" file="ZTIDrivers"> <![LOG[Property DriverCleanup is now = DONE]LOG]!><time="11:48:35.000+000" date="07-25-2012" component="ZTIDrivers" context="" type="1" thread="" file="ZTIDrivers"> <![LOG[Compare Image processor Type with Original [X86] = [X86].]LOG]!><time="11:48:35.000+000" date="07-25-2012" component="ZTIDrivers" context="" type="1" thread="" file="ZTIDrivers"> <![LOG[Prepare machine for Sysprep.]LOG]!><time="11:48:35.000+000" date="07-25-2012" component="ZTIDrivers" context="" type="1" thread="" file="ZTIDrivers"> <![LOG[No driver actions can be taken for OS Images installed from *.wim files.]LOG]!><time="11:48:35.000+000" date="07-25-2012" component="ZTIDrivers" context="" type="1" thread="" file="ZTIDrivers"> <![LOG[ZTIDrivers processing completed successfully.]LOG]!><time="11:48:35.000+000" date="07-25-2012" component="ZTIDrivers" context="" type="1" thread="" file="ZTIDrivers"> <![LOG[Command completed, return code = -2147467259]LOG]!><time="11:48:35.000+000" date="07-25-2012" component="LiteTouch" context="" type="1" thread="" file="LiteTouch"> <![LOG[Litetouch deployment failed, Return Code = -2147467259 0x80004005]LOG]!><time="11:48:35.000+000" date="07-25-2012" component="LiteTouch" context="" type="3" thread="" file="LiteTouch"> <![LOG[For more information, consult the task sequencer log ...\SMSTS.LOG.]LOG]!><time="11:48:35.000+000" date="07-25-2012" component="LiteTouch" context="" type="1" thread="" file="LiteTouch"> <![LOG[Property RetVal is now = -2147467259]LOG]!><time="11:48:35.000+000" date="07-25-2012" component="LiteTouch" context="" type="1" thread="" file="LiteTouch"> <![LOG[Unable to copy log to the network as no SLShare value was specified.]LOG]!><time="11:48:35.000+000" date="07-25-2012" component="LiteTouch" context="" type="1" thread="" file="LiteTouch"> <![LOG[CleanStartItems Complete]LOG]!><time="11:48:35.000+000" date="07-25-2012" component="LiteTouch" context="" type="1" thread="" file="LiteTouch"> <![LOG[Unregistering TSCore.dll.]LOG]!><time="11:48:35.000+000" date="07-25-2012" component="LiteTouch" context="" type="1" thread="" file="LiteTouch"> <![LOG[About to run command: wscript.exe "\\server\deploymentshare$\Scripts\LTICleanup.wsf"]LOG]!><time="11:48:35.000+000" date="07-25-2012" component="LiteTouch" context="" type="1" thread="" file="LiteTouch"> <![LOG[Microsoft Deployment Toolkit version: 6.0.2223.0]LOG]!><time="11:48:36.000+000" date="07-25-2012" component="LTICleanup" context="" type="1" thread="" file="LTICleanup"> <![LOG[Removing AutoAdminLogon registry entries]LOG]!><time="11:48:36.000+000" date="07-25-2012" component="LTICleanup" context="" type="1" thread="" file="LTICleanup"> <![LOG[VSSMaxSize not specified using 5% of volume.]LOG]!><time="11:48:36.000+000" date="07-25-2012" component="LTICleanup" context="" type="1" thread="" file="LTICleanup"> <![LOG[Logs contained 7 errors and 0 warnings.]LOG]!><time="11:48:36.000+000" date="07-25-2012" component="LTICleanup" context="" type="1" thread="" file="LTICleanup"> <![LOG[Stripping BDD commands from unattend.xml template.]LOG]!><time="11:48:36.000+000" date="07-25-2012" component="LTICleanup" context="" type="1" thread="" file="LTICleanup"> <![LOG[Modified unattend.xml saved to C:\windows\panther\unattend.xml]LOG]!><time="11:48:36.000+000" date="07-25-2012" component="LTICleanup" context="" type="1" thread="" file="LTICleanup"> <![LOG[Checking mapped network drive.]LOG]!><time="11:48:36.000+000" date="07-25-2012" component="LTICleanup" context="" type="1" thread="" file="LTICleanup"> <![LOG[testing drive Z: mapped to \\server\deploymentshare$]LOG]!><time="11:48:36.000+000" date="07-25-2012" component="LTICleanup" context="" type="1" thread="" file="LTICleanup"> <![LOG[Disconnecting drive Z: mapped to \\server\deploymentshare$]LOG]!><time="11:48:36.000+000" date="07-25-2012" component="LTICleanup" context="" type="1" thread="" file="LTICleanup"> <![LOG[Cleaning up C:\MININT directory.]LOG]!><time="11:48:36.000+000" date="07-25-2012" component="LTICleanup" context="" type="1" thread="" file="LTICleanup"> <![LOG[Cleaning up TOOLS, SCRIPTS, and PACKAGES directories.]LOG]!><time="11:48:36.000+000" date="07-25-2012" component="LTICleanup" context="" type="1" thread="" file="LTICleanup">

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  • Implication of variable context switching time

    - by Rob
    Hi, I know that constant switching time of the Linux scheduler was a big achievement. I was just asking myself the question what would be the implication of a non-constant switching time. The only obvious reason I can think of is real-time systems where we have to meet deadlines. There it is obviously no ideal if the switching time is "random". Are there any other good reasons that favour constant switching times? Many thanks, Rob

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  • How to resolve SSPI context error without changing Service Account from MSSQL

    - by kockiren
    There is a issue while connecting from new Windows 8.1 Clients to SQL Server 2008 running on Windows Server 2008 R2. The SQL Service running under account Domain\mssqlservice on a machine thats works fine I get this output from setspn -l domain\mssqlservice C:\>setspn -l domain\mssqlservice Registrierte Dienstprinzipalnamen (SPN) für CN=MSSQLService,CN=Users,DC=domain, DC=local,DC=tld: MSSQLSvc/mssql.domain.local.tld:1433 MSSQLSvc/mssql.domain.local.tld MSSQLSERVER/mssql.domain.local.tld:1433 On a windows 8.1 machine that don't work I get this output: C:\>setspn -l domain\msssqlservice FindDomainForAccount: Fehler beim Aufrufen von DsGetDcNameWithAccountW mit dem R ückgabewert 0x0000054B. Konto kockiren wurde nicht gefunden. On this Post I found a solution but, I can't change the Service Account who runs the SQL Service. Some application need this service delegation. But how I can realize that it works on my Windows 8.1 Clients?

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  • Asterisk dialplan context and label clarifications

    - by liv2hak
    I have been learning Asterisk dial plan for the past week.I have written down a simple IVR system with two levels of menu and an exit option.I have used concepts from different tutorials on the web.Can someone confirm if the IVR below is correct? Correct in the sense that if the below is used will it work.I know the IVR does not do much yet.But I am just trying to clarify my understanding. [incoming] exten => 123,1,Answer() same => n(menuprompt),Background(main-menu) exten => 1,1,Playback(digits/1) same => n,Goto(incoming,menuprompt,123) exten => 2,1,Playback(digits/2) same => n,Goto(incoming,menuprompt,123) exten => 9,1,Hangup() [main-menu] exten => n(menuprompt),Background(main-menu) exten => 3,1,Playback(digits/3) same => n,Goto(main-menu,menuprompt,n) exten => 4,1,Playback(digits/4) same => n,Goto(main-menu,menuprompt,n) exten => 9,1,Hangup()

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  • "Send to: Mail recipient" context menu not working

    - by Louis
    I have set the Mail app from Microsoft (WinRT) as the default application for mail in Default Programs. However, when I right-click on a file, and select Send to Mail recipient I get a message box saying:There is no email program associated to perform the requested action. Please install an email program or, if one is already installed, create an association in the Default Programs control panel. Is there a way to get this action working with Mail?

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  • Context-specific remap

    - by dotancohen
    I have the following handy VIM map: inoremap ( ()<Left> However, sometimes I will enter Insert mode to add a function call around a variable, like so: Was: $sql = "SELECT * FROM " . $someTable; To: $sql = "SELECT * FROM " . mysql_real_escape_string($someTable); The mapping makes a redundant ) after mysql_real_escape_string(. Is there any way to refactor the mapping so that if there exists a character after the cursor, and the character after the cursor is not whitespace, then )<left> is not appended to (? Thanks.

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  • Black spray (?) on a laptop's heat sink assembly

    - by arnehehe
    We have a HP Pavilion DV3 4000SB that was given an error on startup that the fan was having problems (System Fan 90b error message) So I decided to open the laptop up and clean the fan, as that seemed the easiest option. Upon opening it up, at first I froze and thought "No wonder! The whole thing's burnt!", but then I started thinking it looked more like someone used a spraycan on it. I looked up a video on youtube of someone disassembling his Pavilion and noticed there wasn't any of the black on his, so my question here is: Have any of you encountered this, or know what it is? Or if it's something that could point to a problem?

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  • How to add an item to my "Send To" context menu

    - by Binary Worrier
    On my old XP machine I would simply copy short-cuts into the %userprofile%\SendTo folder. On Windows-7 this folder is hidden, and I don't have access to it (which surprised me, it is MY SendTo folder after all). Is there an "approved" way of adding to my Send To menu that I'm unaware of? Or do I need extra permissions from our Sys Admin? Thanks BW

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  • Instantiate an .aspx that is an embedded resource of an assembly

    - by asbjornu
    I have an ASP.NET (MVC) application in which I would like to load WebForms .aspx files that are embedded as resources in 3rd party assemblies. The reason I want to do this is to make a sort of "plug-in" system where a .dll file can be dropped in a folder and then picked up at runtime to provide additional functionality to the base application. I've gotten the plugin system to work (I'm using MEF) with plugins written in ASP.NET MVC (Views and Controllers), but for plain old ASP.NET (Pages), I've got myself into a bit of a problem. For the execution of the embedded .aspx file (which, in the usual WebForm way Inherits="My.BasePage") I've created a custom VirtualPathProvider, ResourceFile ControllerFactory and PageController. Within the PageController I've overridden the Execute(RequestContext) method and within it I'm trying to compile the .aspx with BuildManager.CreateInstanceFromVirtualPath(virtualPath, type). When doing this, I get the error message "Could not load type 'My.BasePage'", even though I'm giving the BuildManager the System.Type of My.BasePage in the call to CreateInstanceFromVirtualPath. I seem to be stuck at this point. I've tried to Server.Transfer() to the custom VirtualPathProvider handled URL to the same .aspx file, but that fails with the same error message. How can I help BuildManager find out where My.BasePage is defined and how come the Type requiredBaseType parameter of CreateInstanceFromVirtualPath seems to be ignored? I've tried to call BuildManager.AddReferencedAssembly(), but that only fails with "This method can only be called during the application's pre-start initialization stage". MSDN says: "The method must be called during the Application_PreStartInit stage of the application", but I have no such event in my HttpApplication object and find absolutely zero information about it on the internet. Either way, I don't want to be calling BuildManager.AddReferencedAssembly() in or before the Application_Start event, since that makes me have to recycle the whole application to be able to add new plugins to the system. Does anyone have any clues? Any other ideas on how I can "execute" an .aspx file that is embedded as a resource within an assembly through reflection? Can I for instance pre-compile the .aspx file within the same assembly as the base Page class it inherits?

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  • Cannot get assembly version for footer

    - by Jaxidian
    I'm using the automatic build versioning mentioned in this question (not the selected answer but the answer that uses the [assembly: AssemblyVersion("1.0.*")] technique). I'm doing this in the footer of my Site.Master file in MVC 2. My code for doing this is as follows: <div id="footer"> <a href="emailto:[email protected]">[email protected]</a> - Copyright © 2005-<%= DateTime.Today.Year.ToString() %>, foo LLC. All Rights Reserved. - Version: <%= Assembly.GetEntryAssembly().GetName().Version.ToString() %> </div> The exception I get is a Object reference not set to an instance of an object because GetEntryAssembly() returns NULL. My other options don't work either. GetCallingAssembly() always returns "4.0.0.0" and GetExecutingAssembly() always returns "0.0.0.0". When I go look at my DLLs, everything is versioning as I would expect. But I cannot figure out how to access it to display in my footer!!

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  • Load Assembly in New AppDomain without loading it in Parent AppDomain

    - by Al Katawazi
    I am attempting to load a dll into a console app and then unload it and delete the file completely. The problem I am having is that the act of loading the dll in its own AppDomain creates a reference in the Parent AppDomain thus not allowing me to destroy the dll file unless I totally shut down the program. Any thoughts on making this code work? string fileLocation = @"C:\Collector.dll"; AppDomain domain = AppDomain.CreateDomain(fileLocation); domain.Load(@"Services.Collector"); AppDomain.Unload(domain); BTW I have also tried this code with no luck either string fileLocation = @"C:\Collector.dll"; byte[] assemblyFileBuffer = File.ReadAllBytes(fileLocation); AppDomainSetup domainSetup = new AppDomainSetup(); domainSetup.ApplicationBase = Environment.CurrentDirectory; domainSetup.ShadowCopyFiles = "true"; domainSetup.CachePath = Environment.CurrentDirectory; AppDomain tempAppDomain = AppDomain.CreateDomain("Services.Collector", AppDomain.CurrentDomain.Evidence, domainSetup); //Load up the temp assembly and do stuff Assembly projectAssembly = tempAppDomain.Load(assemblyFileBuffer); //Then I'm trying to clean up AppDomain.Unload(tempAppDomain); tempAppDomain = null; File.Delete(fileLocation);

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  • SQLite assembly not copied to output folder for unit testing

    - by Groo
    Problem: SQLite assembly referenced in my DAL assembly does not get copied to the output folder when doing unit tests (Copy local is set to true). I am working on a .Net 3.5 app in VS2008, with NHibernate & SQLite in my DAL. Data access is exposed through the IRepository interface (repository factory) to other layers, so there is no need to reference NHibernate or the System.Data.SQLite assemblies in other layers. For unit testing, there is a public factory method (also in my DAL) which creates an in-memory SQLite session and creates a new IRepository implementation. This is also done to avoid have a shared SQLite in-memory config for all assemblies which need it, and to avoid referencing those DAL internal assemblies. The problem is when I run unit tests which reside a separate project - if I don't add System.Data.SQLite as a reference to the unit test project, it doesn't get copied to the TestResults...\Out folder (although this project references my DAL project, which references System.Data.SQLite, which has its Copy local property set to true), so the tests fail while NHibernate is being configured. If I add the reference to my testing project, then it does get copied and unit tests work. What am I doing wrong?

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  • Parse XML function names and call within whole assembly

    - by Matt Clarkson
    Hello all, I have written an application that unit tests our hardware via a internet browser. I have command classes in the assembly that are a wrapper around individual web browser actions such as ticking a checkbox, selecting from a dropdown box as such: BasicConfigurationCommands EventConfigurationCommands StabilizationCommands and a set of test classes, that use the command classes to perform scripted tests: ConfigurationTests StabilizationTests These are then invoked via the GUI to run prescripted tests by our QA team. However, as the firmware is changed quite quickly between the releases it would be great if a developer could write an XML file that could invoke either the tests or the commands: <?xml version="1.0" encoding="UTF-8" ?> <testsuite> <StabilizationTests> <StressTest repetition="10" /> </StabilizationTests> <BasicConfigurationCommands> <SelectConfig number="2" /> <ChangeConfigProperties name="Weeeeee" timeOut="15000" delay="1000"/> <ApplyConfig /> </BasicConfigurationCommands> </testsuite> I have been looking at the System.Reflection class and have seen examples using GetMethod and then Invoke. This requires me to create the class object at compile time and I would like to do all of this at runtime. I would need to scan the whole assembly for the class name and then scan for the method within the class. This seems a large solution, so any information pointing me (and future readers of this post) towards an answer would be great! Thanks for reading, Matt

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  • Could not load file or assembly System.EnterpriseServices

    - by Nifle
    I'm trying to read up on asp.net mvc, I have never used asp.net before but are familiar with regular c# development. Freshly installed, fully patched Windows XP Home. Freshly installed updated to SP1 Visual Studio 2008 Pro. Started a new project, selected "ASP.NET MVC Web Application", target framework is 3.5 I hit F5 and I get: "Could not load file or assembly System.EnterpriseServices" Exact wording in swedish: [FileNotFoundException: Det går inte att hitta filen. (Undantag från HRESULT: 0x80070002)] [FileNotFoundException: Det går inte att läsa in filen eller sammansättningen System.EnterpriseServices, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a eller ett av dess beroenden. Det går inte att hitta filen.] Adding a reference to System.EnterpriseServices in my project did not work. A quick google suggested I copy this file Microsoft.NET/Framework/v2.0.50727/System.EnterpriseServices.dll into %WINDOWS%/assembly but that did not work either. Any suggestions? Found the answer, I added it to the GAC with gacutil. C:\WINDOWS"C:\Program\Microsoft SDKs\Windows\v6.0A\bin\gacutil.exe" /i Microsoft.NET/Framework/v2.0.50727/System.EnterpriseServices.dll

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  • Unity Configuration and Same Assembly

    - by tyndall
    I'm currently getting an error trying to resolve my IDataAccess class. The value of the property 'type' cannot be parsed. The error is: Could not load file or assembly 'TestProject' or one of its dependencies. The system cannot find the file specified. (C:\Source\TestIoC\src\TestIoC\TestProject\bin\Debug\TestProject.vshost.exe.config line 14) This is inside a WPF Application project. What is the correct syntax to refer to the Assembly you are currently in? is there a way to do this? I know in a larger solution I would be pulling Types from seperate assemblies so this might not be an issue. But what is the right way to do this for a small self-contained test project. Note: I'm only interested in doing the XML config at this time, not the C# (in code) config. UPDATE: see all comments My XML config: <configuration> <configSections> <section name="unity" type="Microsoft.Practices.Unity.Configuration.UnityConfigurationSection, Microsoft.Practices.Unity.Configuration" /> </configSections> <unity> <typeAliases> <!-- Lifetime manager types --> <typeAlias alias="singleton" type="Microsoft.Practices.Unity.ContainerControlledLifetimeManager, Microsoft.Practices.Unity" /> <typeAlias alias="external" type="Microsoft.Practices.Unity.ExternallyControlledLifetimeManager, Microsoft.Practices.Unity" /> <typeAlias alias="IDataAccess" type="TestProject.IDataAccess, TestProject" /> <typeAlias alias="DataAccess" type="TestProject.DataAccess, TestProject" /> </typeAliases> <containers> <container name="Services"> <types> <type type="IDataAccess" mapTo="DataAccess" /> </types> </container> </containers> </unity> </configuration>

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  • Recursion in assembly?

    - by Davis
    I'm trying to get a better grasp of assembly, and I am a little confused about how to recursively call functions when I have to deal with registers, popping/pushing, etc. I am embedding x86 assembly in C++. Here I am trying to make a method which given an array of integers will build a linked list containing these integers in the order they appear in the array. I am doing this by calling a recursive function: insertElem (struct elem *head, struct elem *newElem, int data) -head: head of the list -data: the number that will be inserted at the end of a list -newElem: points to the location in memory where I will store the new element (data field) My problem is that I keep overwriting the registers instead of a typical linked list. For example, if I give it an array {2,3,1,8,3,9} my linked-list will return the first element (head) and only the last element, because the elements keep overwriting each other after head is no longer null. So here my linked list looks something like: 2--9 instead of 2--3--1--8--3--9 I feel like I don't have a grasp on how to organize and handle the registers. newElem is in EBX and just keeps getting rewritten. Thanks in advance!

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  • Assembly-wide / root-level styles in WPF class library

    - by WarpedBoard
    I have a C# (2008/.NET 3.5) class library assembly that supports WPF (based on http://dotupdate.wordpress.com/2007/12/05/how-to-add-a-wpf-control-library-template-to-visual-c-express-2008/). I've created several windows, and am now attempting to create a common style set for them. However, as it's a class library (instead of a WPF app), I don't have an app.xaml (and its contained Application & corresponding Application.Resources) in which to store these styles for global access. So: How can I create a top-level set of style definitions that'll be seen by all xaml files in the assembly, given that I do not have app.xaml (see above)? And/or is it possible to add a working app.xaml to a class library? FYI, I did try creating a ResourceDictionary in a ResourceDictionary.xaml file, and include it in each window within a "Window.Resources" block. That turned out to solve the styling of Buttons, etc... but not for the enclosing Window. I can put 'Style="{StaticResource MyWindowStyle}"' in the Window's opening block, and it compiles and shows up in the VS Design window fine, but during actual runtime I get a parse exception (MyWindowStyle could not be found; I'm guessing Visual Studio sees the dictionary included after the line in question, but the CRL does things more sequentially and therefore hasn't loaded the ResourceDictionary yet).

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  • Apply [ThreadStatic] attribute to a method in external assembly

    - by Sen Jacob
    Can I use an external assembly's static method like [ThreadStatic] method? Here is my situation. The assembly class (which I do not have access to its source) has this structure public class RegistrationManager() { private RegistrationManager() {} public static void RegisterConfiguration(int ID) {} public static object DoWork() {} public static void UnregisterConfiguration(int ID) {} } Once registered, I cannot call the DoWork() with a different ID without unregistering the previously registered one. Actually I want to call the DoWork() method with different IDs simultaneously with multi-threading. If the RegisterConfiguration(int ID) method was [ThreadStatic], I could have call it in different threads without problems with calls, right? So, can I apply the [ThreadStatic] attribute to this method or is there any other way I can call the two static methods same time without waiting for other thread to unregister it? If I check it like the following, it should work. for(int i=0; i < 10; i++) { new Thread(new ThreadStart(() => Checker(i))).Start(); } public string Checker(int i) { public static void RegisterConfiguration(i); // Now i cannot register second time public static object DoWork(i); Thread.Sleep(5000); // DoWork() may take a little while to complete before unregistered public static void UnregisterConfiguration(i); }

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  • What is the reason of "Transaction context in use by another session"

    - by Shrike
    Hi, I'm looking for a description of the root of this error: "Transaction context in use by another session". I get it sometimes in one of my unittests so I can't provider repro code. But I wonder what is "by design" reason for the error. I've found this post: http://blogs.msdn.com/asiatech/archive/2009/08/10/system-transaction-may-fail-in-multiple-thread-environment.aspx and also that: http://msdn.microsoft.com/en-us/library/ff649002.aspx But I can't understand what "Multiple threads sharing the same transaction in a transaction scope will cause the following exception: 'Transaction context in use by another session.' " means. All words are understandable but not the point. I actually can share a system transaction between threads. And there is even special mechanism for this - DependentTransaction class and Transaction.DependentClone method. I'm trying to reproduce a usecase from the first post: 1. Main thread creates DTC transaction, receives DependentTransaction (created using Transaction.Current.DependentClone on the main thread 2. Child thread 1 enlists in this DTC transaction by creating a transaction scope based on the dependent transaction (passed via constructor) 3. Child thread 1 opens a connection 4. Child thread 2 enlists in DTC transaction by creating a transaction scope based on the dependent transaction (passed via constructor) 5. Child thread 2 opens a connection with such code: using System; using System.Threading; using System.Transactions; using System.Data; using System.Data.SqlClient; public class Program { private static string ConnectionString = "Initial Catalog=DB;Data Source=.;User ID=user;PWD=pwd;"; public static void Main() { int MAX = 100; for(int i =0; i< MAX;i++) { using(var ctx = new TransactionScope()) { var tx = Transaction.Current; // make the transaction distributed using (SqlConnection con1 = new SqlConnection(ConnectionString)) using (SqlConnection con2 = new SqlConnection(ConnectionString)) { con1.Open(); con2.Open(); } showSysTranStatus(); DependentTransaction dtx = Transaction.Current.DependentClone(DependentCloneOption.BlockCommitUntilComplete); Thread t1 = new Thread(o => workCallback(dtx)); Thread t2 = new Thread(o => workCallback(dtx)); t1.Start(); t2.Start(); t1.Join(); t2.Join(); ctx.Complete(); } trace("root transaction completes"); } } private static void workCallback(DependentTransaction dtx) { using(var txScope1 = new TransactionScope(dtx)) { using (SqlConnection con2 = new SqlConnection(ConnectionString)) { con2.Open(); trace("connection opened"); showDbTranStatus(con2); } txScope1.Complete(); } trace("dependant tran completes"); } private static void trace(string msg) { Console.WriteLine(Thread.CurrentThread.ManagedThreadId + " : " + msg); } private static void showSysTranStatus() { string msg; if (Transaction.Current != null) msg = Transaction.Current.TransactionInformation.DistributedIdentifier.ToString(); else msg = "no sys tran"; trace( msg ); } private static void showDbTranStatus(SqlConnection con) { var cmd = con.CreateCommand(); cmd.CommandText = "SELECT 1"; var c = cmd.ExecuteScalar(); trace("@@TRANCOUNT = " + c); } } It fails on Complete's call of root TransactionScope. But error is different: Unhandled Exception: System.Transactions.TransactionInDoubtException: The transaction is in doubt. --- pired. The timeout period elapsed prior to completion of the operation or the server is not responding. To sum up: I want to understand what "Transaction context in use by another session" means and how to reproduce it.

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  • AsyncTask and Contexts

    - by Michael
    So I'm working out my first multi-threaded application using Android with the AsyncTask class. I'm trying to use it to fire off a Geocoder in a second thread, then update the UI with onPostExecute, but I keep running into an issue with the proper Context. I kind of hobbled my way through using Contexts on the main thread, but I'm not exactly sure what the Context is or how to use it on background threads, and I haven't found any good examples on it. Any help? Here is an excerpt of what I'm trying to do: public class GeoCode extends AsyncTask<GeoThread, Void, GeoThread> { @Override protected GeoThread doInBackground(GeoThread... i) { List<Address> addresses = null; Geocoder geoCode = null; geoCode = new Geocoder(null); //Expects at minimum Geocoder(Context context); addresses = geoCode.getFromLocation(GoldenHour.lat, GoldenHour.lng, 1); } } It keeps failing at the sixth line there, because of the improper Context.

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