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• Getting Cabal to work with GHC 6.12.1

  - by Dan Dyer

  I've installed the latest GHC package (6.12.1) on OS X, but I can't get Cabal to work. I've removed the version I had previously that worked with GHC 6.10 and tried to re-install from scratch. The latest Cabal version available for download is 1.6.0.2. However, when I try to build this I get the following error: Configuring Cabal-1.6.0.2... Setup: failed to parse output of 'ghc-pkg dump' From what I've found searching, this seems to suggest that the version of Cabal is too old for the version of GHC. Is there any way to get Cabal to work with GHC 6.12.1 yet? EDIT: To be clear, I'm trying to set-up cabal-install.

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• GCC / C++ Static linking for headers in a shared object

  - by Swaroop S

  -I am trying to create a shared object libfoo.so. libfoo.so is created from "foo.c" - Assume that I include headers "static.h" and "Dynamic.h" where in I want the compiler to resolve the symbols for Static.h and leave the rest ie from Dynamic.h for runtime. - How do i do this ? What are the CFLAG and LDFLAG options that I need to pass. - My makefile is setup to create a shared object using the CFLAGS=fPIC , shared , W1,export-dynamic. - In the include paths i Specify the correct location for "Static.h" Can someone help me ?

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• Ruby server very slow outside localhost (teambox)

  - by ncatnow

  I just installed TeamBox on my Ubuntu 9.10 server. I have it up and running on port 3000 using the provided server script. It's running extremely slow, up to 30 seconds per HTTP request when connecting from another computer. I used links to load up TeamBox from the shell and it took no time at all. I then setup an SSH tunnel and again it was working very fast. I run about 30 vhosts through apache on this server, as well as SAMBA etc and do not have any problems. How can I troubleshoot this problem?

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• how to debug ExceptionInInitializationError?

  - by grmn.bob

  I am getting an exception in a very simple 'study' application, so I expect the problem to be in my project setup, but I don't know how to debug ... What is the context of the exception, "ExceptionInInitializationError"? Where is it documented? A: Search Android Developers Guide Stack trace from within Eclipse Debugger with: select thread - right-click - copy stack Thread [<3> main] (Suspended (exception ExceptionInInitializerError)) Class.newInstance() line: 1479 Instrumentation.newActivity(ClassLoader, String, Intent) line: 1021 ActivityThread.performLaunchActivity(ActivityThread$ActivityRecord, Intent) line: 2367 ActivityThread.handleLaunchActivity(ActivityThread$ActivityRecord, Intent) line: 2470 ActivityThread.access$2200(ActivityThread, ActivityThread$ActivityRecord, Intent) line: 119 ActivityThread$H.handleMessage(Message) line: 1821 ActivityThread$H(Handler).dispatchMessage(Message) line: 99 Looper.loop() line: 123 ActivityThread.main(String[]) line: 4310 Method.invokeNative(Object, Object[], Class, Class[], Class, int, boolean) line: not available [native method] Method.invoke(Object, Object...) line: 521 ZygoteInit$MethodAndArgsCaller.run() line: 860 ZygoteInit.main(String[]) line: 618 NativeStart.main(String[]) line: not available [native method]

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• iOS Efficiency File Saving Efficiency

  - by Guvvy Aba

  I was working on my iOS app and my goal is to save a file that I am receiving from the internet bit by bit. My current setup is that I have a NSMutableData object and I add a bit of data to it as I receive my file. After the last "packet" is received, I write the NSData to a file and the process is complete. I'm kind of worried that this isn't the ideal way to do it because of the limitations of RAM in a mobile device and it would be problematic to receive large files. My next thought was to implement a NSFileHandle so that as the file arrives, it would be saved to the disk, rather than the virtual memory. In terms of speed and efficiency, which method do you think will work decently on an iOS device. I am currently using the first, NSMutableData approach. Is it worth changing my app to use the NSFileHandle? Thanks in advance, Guvvy

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• ClearCase: Versioning at file level

  - by Naveen

  Hi, I have a perculier problem about how to maintain a clearcase project. This project is a xml schema repository where each schema has a version. This repository is common and is used by all the apps in the enterprise. From clearcase prespective the project has a single component. Now the apps can be using different versions of the schema(s). So we are trying to figureout a way to setup the project in such way that a project can have a baseline of what versions of these files are included in a build. The only way we know of how to do this is to create a component for each schema or group of schemas and create a stream for each app to include the components they use. But that would result in too many components. Has anyone dealth with something like this before? We are prepared to restructre the whole project if necessary, so we are open to any idea. Thans for the help.

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• IoC and Design Time

  - by benPearce

  I have a WPF application which I am using to learn MVVM and IoC. The problem is that the Model used by one of the Views expects to pull one of its dependancies in the constructor from an IoC container. When working on this View in the Visual Studio designer it cannot show the design because an exception is being raised in the model. Is there a way around this? Am I pulling my dependancies in the wrong place in code or is there a way I can pass in constructed dependancies, perhaps through Constructor injection. At present the IoC container is setup in code in App.xaml.cs. The IoC container is a roll-your-own taken from this article on MSDN - http://msdn.microsoft.com/en-us/magazine/cc337885.aspx

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• IIS7 and 301 permanent redirects using the location tag in web.config

  - by Mike

  I need to setup some 301 permanent redirects in the web.config of an ASP.NET MVC application running under IIS. The easiest way is to add a tag similar to the one below to the web.config file: <location path="TheMenu.aspx"> <system.webServer> <httpRedirect enabled="true" destination="menus/" httpResponseStatus="Permanent" /> </system.webServer> </location> When I go to the site at http://domain.com/TheMenu.aspx it redirects me to http://domain.com/menusxd instead of http://domain.com/menus. What would be causing this?

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• WiX - create a bootstrap that passes arguments to the msiexec

  - by Dror Helper

  I need to create a bootstrap for my WiX project I've tried using setupbld.exe but it will only allow me to create an executable that will show my UI or one that will behave as a silent installer but not both. I need to be able to run the resulting executable with argument that will tell it wether or not to show the UI during installation. I've found this post by John Robbins that explains how to re-build the setup.exe stub used in the creation of the bootstrap but I was hoping there is a simpler way to do what I need. Does anyone know of a way to create a bootstrap that I use to run either as a simple (with UI) install or as a silent install.

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• Setting up nHibernate with an Oracle database and Visual Studio 2010

  - by Geoff

  I'm creating a .ASPNET project and I would like to setup nHibernate as my ORM tool. I will be using an existing oracle database and Visual Studio 2010. ORM tools are very new to me and really could use any advice to better understand the tool and the process required to implement them. I've been following an article at http://nhforge.org/wikis/howtonh/your-first-nhibernate-based-application.aspx to learn about it and am stuck where they say to create a local database as mine only give me the option to create a SQL server database (perhaps this a new for visual studio 2010?). Is the purpose of this database just to cache results from the live database? Thanks for your help! Geoff

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• C# Win Forms Thread Pool - Unresponsive UI

  - by Goober

  Scenario I have a Windows Form Application. Inside the main form there is a loop that iterates around 3000 times, Creating a new instance of a class on a new thread to perform some calculations. Baring in mind that this setup uses a Thread Pool, the UI does stay responsive when there are only around 100 iterations of this loop (100 Assets to process). But as soon as this number begins to increase heavily, the UI locks up into eggtimer mode and the thus the log that is writing out to the listbox on the form becomes unreadable. Question Am I right in thinking that the best way around this is to use a Background Worker? And is the UI locking up because even though I'm using lots of different threads (for speed), the UI itself is not on its own separate thread? Suggested Implementations greatly appreciated.

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• Why does [NSOutlineView clickedRow] always return -1?

  - by jxpx777

  I have a fairly pedestrian non-editable NSOutlineView setup. In the bindings for the outline view, I have set the binding to my file's owner (MyDocument FWIW) with a selector of outlineViewWasDoubleClicked The method exists and is called, but when I call -clickedRow it consistently returns -1 rather than the row number of the row that I double clicked to trigger the method. My _outlineView is an IBOutlet and I've verified that it is hooked up correctly by using -selectedRow for the method rather than -clickedRow (I would rather use -clickedRow though because it seems unintuitive for the user to have a row selected, double click another row to do something with it and have the method triggered with the row they had selected.) My best guess right now is that the -clickedRow value is getting cleared out before my method fires, but I don't know where or what might be gobbling it up. Thanks in advance for any help.

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• How do you tell if your migrations are up to date with migratordotnet?

  - by Lance Fisher

  I'm using migratordotnet to manage my database migrations. I'm running them on application setup like this, but I would also like to check on application startup that the migrations are up to date, and provide the option to migrate to latest. How do I tell if there are available migrations that need to be applied? I see that I can get the migrations that were applied like this var asm = Assembly.GetAssembly(typeof(Migration_0001)); var migrator = new Migrator.Migrator("SqlServer", setupInfo.DatabaseConnectionString, asm); var applied = migrator.AppliedMigrations; I like to do something like this: var available = migrator.AvailableMigrations; //this property does not exist.

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• Using Fluent NHibernate in commercial application

  - by Paja

  I want to use Fluent NHibernate in commercial desktop application, and I'm little concerned about the licensing. I've downloaded Fluent NHibernate precompiled binaries, and it contains this list of files: Antlr3.Runtime.dll Castle.Core.dll Castle.DynamicProxy2.dll FluentNHibernate.dll Iesi.Collections.dll log4net.dll NHibernate.dll NHibernate.ByteCode.Castle.dll I guess I will have to add all of these files to my Inno Setup script, which will install them on user's computer. But what should I do to comply to all of the licenses associated with each file? I'm sure I'm not the first who wants to use Fluent NHibernate in commercial application, so I hope I won't have to study each of the licenses. I'm not a lawyer.

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• Java Windows Service with Procrun, StopMethod problem

  - by mcdon

  My Java class contains the following methods: public static void main(String[] argv) //start the service public static void stop() //stop the service I'm using Procrun from Apache Commons Daemon to setup the Java class as a Windows Service. I get an error when I try to stop the service "[618 javajni.c] [error] Static method 'void main(String[])' in Class com/caphyon/service/JavaService not found". The problem is I am trying to call the stop method when the service is shutting down, but it appears to override the StopMethod with 'void main(String[])'. Here are the stop and start parameters I am using when setting up the service: prunsrv.exe //US//JavaService --StartClass=com.caphyon.service.JavaService --StartMode=jvm --StartPath="C:\JavaService" prunsrv.exe //US//JavaService --StopClass=com.caphyon.service.JavaService --StopMode=jvm --StopPath="C:\JavaService" --StopMethod="void stop()" How do I set the StopMethod prunsrv will call when shutting down the service?

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• form_tag for search model

  - by kip

  I have a search controller which is to be used to search over a separate model called house. The house model has a restful setup. I want the results listed on the index action of the search controller. The form_tag url is giving me some problems. What is the correct path for this? Below is the search form (search/form): <% form_tag index_search do -%> <p> <%= collection_select(:house, :category_id, Category.all, :id, :name) %> </p> <p> <strong>price</strong><br /> <%= text_field_tag :min_price, params[:min_price], :size => 3 %> <%= text_field_tag :max_price, params[:max_price], :size => 4 %>

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• asp.net mvc deployment

  - by Casey

  I've been dealing with a legacy asp.net 2.0 web site that was originally setup to deploy everything (source uncompiled) to the target server. I've been looking at doing some major upgrades and want to move to asp.net mvc. I'm coming from mostly a Java background where we typically deploy everything inside of a Web ARchive (war file) and the application server takes it from there. Is there a similar concept in the .net world? Right now in my mvc test app, I just put the compiled code into the deployed bin folder and the rest of the script/view files there as well. From what I have been reading it seems that most use the Publish feature of VS.

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• WindowsIdentity Token in Legacy ASP

  - by Max Schmeling

  I've created a .Net library at work that is used by all of our developers. The security part of it uses Microsoft AzMan for the security backend. In order to create a security (AzMan) ClientContext I have to pass it a token value (as a uint). This is all fine an dandy until I needed to make a COM wrapper for our common library so some of our legacy pages could take advantage of it without being rewritten for now. I cannot figure out how to get the token value to pass to AzMan from legacy ASP. The COM wrapper is setup to run as a COM Server and runs as a specific user that we use here for all COM objects, therefor the common library can't just pull the identity using .Net. Any ideas?

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• Emacs key binding in Eclipse IDE

  - by Peter Delaney

  Hello; I am an Emacs lover probably because I love the key binding and I am able to do things very quickly. I also use Eclipse IDE for my Java/Android/Python/ development because it is free, most of my peers use it, and it works. I find myself switching between emacs and Eclipse and the workflow just isn't great. What I would like to do is setup the key bindings in Eclipse so that they are like Emacs. Can someone suggest the best Eclipse plugin I could use for this. Or can anyone talk about how they've used Eclipse to be more Emacs like. Thanks in advance

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• Can squid forward DNS queries to a DNS server?

  - by pravin

  This might something be completely impossible to achieve, but before I give it a shot thought I might get some advice from a fellow geek. Would squid proxy DNS queries as well? I would like to forward DNS queries to go through squid and use squid's DNS error page, of course by customizing it. I see the DNS queries are hitting my squid box on UDP port 53. I can setup a port forwarding so that all these queries get sent to squid's port 3128. But would squid understand its a DNS query and forward those queries to the dns server set in squid.conf? I hope my question is clear but please shout up and I would be glad to give you some more info if needed. Thanks guys!

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• Microsoft.Biztalk.explorerom.dll reference in asp.net application resulting system.nullreferenceexce

  - by sheetal.oza

  Hi, I have a asp.net application in order to start/stop applications and ports of Biztalk server 2006 r2. I have used "Microsoft.Biztalk.explorerom.dll (C:/Program Files/Biztalk Server 2006/Developer tool) " to achieve this. This is working fine on development machine since biz talk server is installed on local machine. But in the production environment (asp.net web server ,windows 2003 and iis 6.0)...this give System.nullreferenceexception (object reference not set..) at BtsCatalogExplorer explorer = (BtsCatalogExplorer)myGroup.CreateInstance(typeof(BtsCatalogExplorer)) my biztalk server and sql server are on two different box. In my setup (asp.net web application)..adding Microsoft.Biztalk.explorerom.dll and Microsoft.Biztalk.Applicationdeployment.engine.dll to GAC. But still no luck. Do i need to install biz talk server on my local machine even though I am connecting to different biz talk server?? And help is appreciated...

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• How to use a specific Windows SDK with MSBuild?

  - by Mac

  I have a large project made of many C++ and C# projects, and a MSBuild (3.5) script to build the whole thing. This script is based on the VCBuild (C++ projects) and MSBuild (C# projects) tasks. It is regularly executed by a Continuous Integration server. I want to be able to select a specific Windows SDK (v6.0A, v7.0, v7.1...) to be used for compilation. As I have many branches in my repository that would ultimately need a different SDK version, I need a way to select the right one before each compilation. On my computer, I have been able to setup a batch script that calls the right SetEnv.cmd before launching the MSBuild script. But this solution is not usable on the CI server as the MSBuild script is executed directly. Do you know of a way to achieve the equivalent of SetEnv.cmd under MSBuild?

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• Preserving multi-byte characters in Flex XML object

  - by Dan Petker

  I'm having an issue with the Flex XML object type mangling multi-byte characters (such as Japanese or Chinese characters). The basic setup is this. I'm getting an XML-formatted string from the server, and in that string there can be multi-byte characters. A lot of the time, these characters are in attributes, for example: <example id="foo" name="[some multi-byte characters]"/> Now, when I examine the raw string, the multi-byte characters display just fine. However, as soon as I convert the string to an XML object using the top-level XML() function, all the multi-byte characters become mangled. I've tried setting the XML's encoding by including an <?xml version="1.0" encoding="utf-8"?> element in the XML-formatted string, but this doesn't seem to have any effect on the resulting XML object. Is there a way to get the XML object to respect the encoding of the XML-formatted string and prevent the multi-byte characters from being mangled?

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• Server 2008 Web Edition IIS6 SMTP conflict

  - by user219313

  I'm using IIS6 Manager to setup the SMTP service on Windows Server 2008 Web Edition. Ignoring how mental this is, there seems to be a conflict (port 25?) which means that I cannot start and stop the Default SMTP server within IIS6. I can start and stop it with the services.msc snap in and this is reflected in state of the SMTP server in IIS6 manager. I'm worried that none of the settings I want to get at within IIS6 (logging, authentication etc..) are having any effect. None of these settings are available within IIS7 in Web Edition. Idiotic.

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• Groovy MarkupBuilder causing java.lang.NoClassDefFoundError on closure in soapUI

  - by Eric

  I am not able to get the Groovy MarkupBuilder to work with soapUI. I am very new to Groovy and I am just following one of the user guides on creating XML. Testing a very simple method: public String Example(){ def writer = new StringWriter() def root = new MarkupBuilder(writer) root.mkp.xmlDeclaration(version:"1.0", encoding:"UTF-8") root.Root{ Example("A") } return writer.toString() } I get the following error in soapUI: ava.lang.NoClassDefFoundError: MockXML$_Example_closure2 I have no error when I run from Groovy Console. In the same class I have: public String Hello(){ return "Hello" } Which works fine in soapUI. Is there something I would need setup/imported/configured in soapUI that I am not thinking about to handle MarkupBuilder/closures? Thanks

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