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• inetmgr crashes after adding IIS6 MetabaseCompatibility Role

  - by Josef

  I added the IIS6 MetabaseCompatibility Role to my Server 2008 but can no longer launch inetmgr: IISMANAGER_CRASH IIS Manager terminated unexpectedly. Exception:System.NullReferenceException: Object reference not set to an instance of an object. at Microsoft.Web.Management.Host.Shell.ShellApplication.Initialize(Boolean localDevelopmentMode, Boolean resetPreferences) at Microsoft.Web.Management.Host.Shell.ShellApplication.Execute(Boolean localDevelopmentMode, Boolean resetPreferences, Boolean resetPreferencesNoLaunch) Process:InetMgr any ideas? In the meantime, I uninstalled that role but I still don't have an inetmgr (mmc snapin doesn't work either).

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• How to copy a System.Drawing.Graphics over another Graphics?

  - by Simon T.

  We got some code that implement printing using Printdocument and it does all the drawing directly on the Graphics object received in the PrintEventArgs. It would be more convenient if the code doing the drawing used another canvas and we would add this canvas to the PrintEventArgs Graphics after. Since the code already depends on the Graphics object I need a canvas with this object. I also need a way to copy the canvas onto the PrintEventArgs Graphics. I can create a Graphicsfrom an Image but as far as I know it needs to be stored on the disk. Any suggestions?

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• Why does Sitecore throw a NullReferenceException exception when I redirect to one of its pages?

  - by Abs

  I'm running Sitecore 6.1 on Windows 2008, IIS7, and I'm trying to use the URL Rewrite Module to do a redirect. When I enable the rule and hit the URL that triggers it, I get a YSOD. The same rule works perfectly on a non-sitecore site on the same machine. According to the Failed Request Trace, the rewrite module does its thing just fine, but then Sitecore throws an exception, even if the redirect points to another server. This is probably a result of something I have misconfigured, but I just can't understand why it doesn't work. The details from the YSOD are below. [NullReferenceException: Object reference not set to an instance of an object.] Sitecore.Nexus.Web.HttpModule.(Object sender, EventArgs e) +273 System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +68 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +75

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• How to specify dynamic field names in a Linq where clause?

  - by Dr. Zim

  If you create a Filter object that contains criteria for Linq that normally goes in a where clause like this: var myFilterObject = FilterFactory.GetBlank(); myFilterObject.AddCondition("Salary", "lessThan", "40000"); var myResult = myRepository.GetEmployees(myFilterObject); How would you match the Linq field to the Field Name without using a big case statement? return from e in db.Employee where e.Salary < 40000 select new IList<EmployeeViewModel> { Name= e.name, Salary= e.Salary }; I assume you need to send an object to the Repository that specifies filtering so that you only pull what records you need. I assume Linq doesn't pre-compile (unless you create a customized delegate and function), so you should be able to dynamically specify which fields you want to filter. It would be nice if you could do something like e["Salary"] like some type of Expando Object.

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• Sending persisted JDO instances over GWT-RPC

  - by Ben Daniel

  I've just started learning Google Web Toolkit and finished writing the Stock Watcher tutorial app. Is my thinking correct that if one wants to persist a business object (like a Stock) using JDO and send it back and forth to/from the client over RPC then one has to create two separate classes for that object: One with the JDO annotations for persisting it on the server and another which is serialisable and used over RPC? I notice the Stock Watcher has separate classes and I can theorise why: Otherwise the gwt compiler would try to generate javascript for everything the persisted class referenced like JDO and com.google.blah.users.User, etc Also there may be logic on the server-side class which doesn't apply to the client and vice-versa. I just want to make sure I'm understanding this correctly. I don't want to have to create two versions of all my business object classes which I want to use over RPC if I don't have to.

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• Do you plan on using the factor programming language?

  - by Berlin Brown

  Do you plan on using factor. Have you looked at it? Checked it out. Do you understand stack oriented programming? http://www.youtube.com/watch?v=f_0QlhYlS8g

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• Podcast Focusing on XNA or Game/Graphics Programming in General

  - by Daniel Brotherston

  I realize there are a number of podcast related questions, but I'm specifically looking for XNA oriented podcasts. I've Googled around a little bit, but I have been unable to find any current podcasts. I'm just wondering if anyone else knows of any interesting ones. I'd guess if Google can't find them, they don't exist but I thought I'd ask anyways. Also, failing that, podcasts about game development in general would be interesting as well. Thanks!

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• More efficient programming than Web.py?

  - by Luke Stanley

  I love webpy, it's really quite Pythonic but I don't like having to add the url mappings and create a class, typically with just 1 function inside it. I'm interested in minimising code typing and prototyping fast. Does anyone have any up and coming suggestions such as Bobo, Bottle, Denied, cherrypy for a lover of webpy's good things? What makes it a good reason? Also I don't mind missing out (strongly) text based templating systems, I use object oriented HTML generation.

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• Objects with permissions assigned by django-guardian not visible in admin

  - by jul

  I'm using django-guardian in order to manage per object permission. For a given user I give permission all permission on one object: joe = User.objects.get(username="joe") mytask = Task.objects.get(pk=1) assign('add_task', joe, mytask) assign('change_task', joe, mytask) assign('delete_task', joe, mytask) and I get, as expected: In [57]: joe.has_perm("add_task", mytask) Out[57]: True In [58]: joe.has_perm("change_task", mytask) Out[58]: True In [59]: joe.has_perm("delete_task", mytask) Out[59]: True In admin.py I also make TaskAdmin inherit from GuardedModelAdmin instead of admin.ModelAdmin Now when I connect to my site with joe, on the admin I get: You don't have permission to edit anything Am I not supposed to be able to edit the object mytask? Do I have to set some permissions using the built-in model-based permission system? Am I missing anything? Thank you

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• Control JSON Serialization format of a custom type in .NET

  - by mrjoltcola

  I have a PhoneNumber class that stores a normalized string, and I've defined implicit operators for string <- Phone to simplify treatment of the PhoneNumber as a string. I've also overridden the ToString() method to always return the cleaned version of the number (no hyphens or parentheses or spaces). In any MVC.NET code where I explicitly display the number, I can explicitly call phone.Format(). The problem here is serializing an entity that has a PhoneNumber to JSON; JavaScriptSerializer serializes it as [object Object]. I want to serialize it as a string in (555)555-5555 format. I've looked at writing a custom JavaScriptConverter, but JavaScriptConverter.Serialize() method returns a dictionary of name-value pairs. I don't want PhoneNumber to be treated as an object with fields, I want to simply serialize it as a string.

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• Cocoa - Enumerate mutable array, removing objects

  - by Ward

  Hey there, I have a mutable array that contains mutable dictionaries with strings for the keys latitude, longitude and id. Some of the latitude and longitude values are the same and I want to remove the duplicates from the array so I only have one object per location. I can enumerate my array and using a second enumeration review each object to find objects that have different ids, but the same latitude and longitude, but if I try to remove the object, I'm muting the array during enumeration. Is there any way to remove objects from an array while enumerating so I only enumerate the current set of objects as the array is updated? Hope this question makes sense. Thanks, Howie

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• How can i navigate one xaml page to another?

  - by programmerist

  i have 2 page i need to navigate mainpage.xaml to login.page xaml but it throws me Object reference not set to an instance of an object. in Root.Children.Clear();.... i added this codes in App.xaml: private void Application_Startup(object sender, StartupEventArgs e) { Grid myGrid = new Grid(); myGrid.Children.Add(new MainPage()); this.RootVisual = myGrid; } and than i adde some codes on main.xaml to navigate to LoginUI.xaml namespace Gen.CallCenter.UI { public partial class MainPage : UserControl { public MainPage() { InitializeComponent(); Grid Root = ((Grid)(this.Parent)); Root.Children.Clear(); Root.Children.Add(new LoginUI()); } } } How can i navigate main.xaml to LoginUI.xaml ?

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• Populating DataGrid with SQLResult Air Flex

  - by Deyon

  I been beating my self up all day on this...I'm about to call it quits and get some Chinese food -=\ I'm selecting data from a local SQL DB. [Bindable] public var ac:ArrayCollection; public function select():void { statement.sqlConnection=conn; statement.text="SELECT * FROM PROJECT"; statement.execute(); var res : SQLResult = statement.getResult(); ac = new ArrayCollection(res.data); //So this traces out [Object][object] So it works trace(ac); } If I do var myObj:Object=res.data[0]; I can trace myObj and view the data. But I don't know how to insert the data into a datagrid. mygrid.dataProvider=ac; dose not work. I'm using Flash Builder 4 Help please....

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• How to properly add .NET assemblies to Powershell session?

  - by amandion

  I have a .NET assembly (a dll) which is an API to backup software we use here. It contains some properties and methods I would like to take advantage of in my Powershell script(s). However, I am running into a lot of issues with first loading the assembly, then using any of the types once the assembly is loaded. The complete file path is: C:\rnd\CloudBerry.Backup.API.dll In Powershell I use: $dllpath = "C:\rnd\CloudBerry.Backup.API.dll" Add-Type -Path $dllpath I get the error below: Add-Type : Unable to load one or more of the requested types. Retrieve the LoaderExceptions property for more information. At line:1 char:9 + Add-Type <<<< -Path $dllpath + CategoryInfo : NotSpecified: (:) [Add-Type], ReflectionTypeLoadException + FullyQualifiedErrorId : System.Reflection.ReflectionTypeLoadException,Microsoft.PowerShell.Commands.AddTypeComma ndAdd-Type : Unable to load one or more of the requested types. Retrieve the LoaderExceptions property for more information. Using the same cmdlet on another .NET assembly, DotNetZip, which has examples of using the same functionality on the site also does not work for me. I eventually find that I am seemingly able to load the assembly using reflection: [System.Reflection.Assembly]::LoadFrom($dllpath) Although I don't understand the difference between the methods Load, LoadFrom, or LoadFile that last method seems to work. However, I still seem to be unable to create instances or use objects. Each time I try, I get errors that describe that Powershell is unable to find any of the public types. I know the classes are there: $asm = [System.Reflection.Assembly]::LoadFrom($dllpath) $cbbtypes = $asm.GetExportedTypes() $cbbtypes | Get-Member -Static ---- start of excerpt ---- TypeName: CloudBerryLab.Backup.API.BackupProvider Name MemberType Definition ---- ---------- ---------- PlanChanged Event System.EventHandler`1[CloudBerryLab.Backup.API.Utils.ChangedEventArgs] PlanChanged(Sy... PlanRemoved Event System.EventHandler`1[CloudBerryLab.Backup.API.Utils.PlanRemoveEventArgs] PlanRemoved... CalculateFolderSize Method static long CalculateFolderSize() Equals Method static bool Equals(System.Object objA, System.Object objB) GetAccounts Method static CloudBerryLab.Backup.API.Account[], CloudBerry.Backup.API, Version=1.0.0.1, Cu... GetBackupPlans Method static CloudBerryLab.Backup.API.BackupPlan[], CloudBerry.Backup.API, Version=1.0.0.1,... ReferenceEquals Method static bool ReferenceEquals(System.Object objA, System.Object objB) SetProfilePath Method static System.Void SetProfilePath(string profilePath) ----end of excerpt---- Trying to use static methods fail, I don't know why!!! [CloudBerryLab.Backup.API.BackupProvider]::GetAccounts() Unable to find type [CloudBerryLab.Backup.API.BackupProvider]: make sure that the assembly containing this type is load ed. At line:1 char:42 + [CloudBerryLab.Backup.API.BackupProvider] <<<< ::GetAccounts() + CategoryInfo : InvalidOperation: (CloudBerryLab.Backup.API.BackupProvider:String) [], RuntimeException + FullyQualifiedErrorId : TypeNotFound Any guidance appreciated!!

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• QGraphicsView and eventFilter

  - by erelender

  Hello everyone, This has been bugging me for more than two days now, so i thought i should ask. I am using Qt 4.5.3 (compiled with VC2008) on Win7. I have MyGraphicsView (inherits QGraphicsView) and MyFilter (inherits QObject) classes. When i install the MyFilter object as an event filter to MyGraphicsView, Mouse events are delivered to MyFilter after they are delivered to MyGraphicsView whereas Key events are delivered to MyFilter before they are delivered to MyGraphicsView. In the second case, i install the MyFilter object as an event filter to MyGraphicsView-viewport() (which is a standart QGLWidget), Mouse events are delivered to MyFilter before they are delivered to MyGraphicsView, whereas Key events are delivered to only MyGraphicsView. The events are supposed to be delivered to event filters before they are delivered to the actual object, so why is this happening? What should i do to ensure this order? Thanks in advance. Best Regards.

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• oracle clob insertion problem in spring

  - by haluk

  Hi, I want to insert CLOB value into my Oracle database and here is the what I could do. I got this exception while inserting operation "ORA-01461: can bind a LONG value only for insert into a LONG column". Would someone able to tell me what should I do? Thanks. List<Object> listObjects = dao.selectAll("TABLE NAME", new XRowMapper()); String queryX = "INSERT INTO X (A,B,C,D,E,F) VALUES ?,?,?,?,?,XMLTYPE(?))"; OracleLobHandler lobHandler = new OracleLobHandler(); for(Object myObject : listObjects) { dao.create(queryX, new Object[]{ ((X)myObject).getA(), ((X)myObject).getB(), new SqlLobValue (((X)myObject).getC(), lobHandler), ((X)myObject).getD(), ((X)myObject).getE(), ((X)myObject).getF() }, new int[] {Types.VARCHAR,Types.VARCHAR,Types.CLOB,Types.VARCHAR,Types.VARCHAR,Types.VARCHAR}); }

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• Saving a datawindow as PDF in PB 10.5

  - by gd047

  I have a grid datawindow with a picture in it's background (with dimensions of an A4 page) and I would like to export both data and the picture as a (single page) PDF file. I used several combinations of the following commands but at most I got a 0-sized pdf. //dw_1.Modify("Datawindow.Export.PDF.Method = Distill! ") //dw_1.Modify("DataWindow.Export.PDF.Method = XSLFOP! ") dw_1.Object.DataWindow.Export.PDF.Method = Distill! //dw_1.Object.DataWindow.Printer = "\\prntsrvr\pr-6" dw_1.Object.DataWindow.Export.PDF.Distill.CustomPostScript="No" dw_1.SaveAs("c:\dw_one.pdf", PDF!, false) User’s guide (on page 533) says: … the data is printed to a PostScript file and automatically distilled to PDF using GNU Ghostscript… Installing Ghostscript For licensing reasons, Ghostscript is not installed with PowerBuilder. You (and your users) must download and install it before you can use this technique… Does anyone have any idea what is the procedure?

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• gmaps4rails version 2 build method

  - by BrainLikeADullPencil

  I installed gmaps4rails for my Rails app, ran the generator, and required the two files like this in my application.js file, along with underscore.js //= require underscore //= require gmaps4rails/gmaps4rails.base //= require gmaps4rails/gmaps4rails.googlemaps adding, as instructed on github https://github.com/apneadiving/Google-Maps-for-Rails, these dependencies in layout.html.erb When I tried to create the demo map from the github page with this code, I got an error that the object doesn't have a build method. Uncaught TypeError: Object # has no method 'build' handler = Gmaps.build('Google'); handler.buildMap({ provider: {}, internal: {id: 'map'}}, function(){ markers = handler.addMarkers([ { "lat": 0, "lng": 0, "picture": { "url": "https://addons.cdn.mozilla.net/img/uploads/addon_icons/13/13028-64.png", "width": 36, "height": 36 }, "infowindow": "hello!" } ]); handler.bounds.extendWith(markers); handler.fitMapToBounds(); }); Indeed, when I look inside the base file that I require in the manifest file there is no build method for that object. How does one create a map in the new version for gmaps4rails?

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• C# WinForms problem with draw image

  - by Paul

  Hi I have this class: class OriginalImage: Form { private Image image; private PictureBox pb; public OriginalImage() { pb = new PictureBox {SizeMode = PictureBoxSizeMode.CenterImage}; pb.SizeMode = PictureBoxSizeMode.StretchImage; Controls.Add(pb); image = Image.FromFile(@"Image/original.jpg"); this.Width = image.Width; this.Height = image.Height; this.Text = "Original image"; this.Paint += new PaintEventHandler(Drawer); } public virtual void Drawer(object source, PaintEventArgs e) { Graphics g = pb.CreateGraphics(); g.DrawImage(image,0,0); } I call this create object OriginalImage in other form on button click, but image is not draw? Where is problem? public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void button1_Click(object sender, EventArgs e) { var oi = new OriginalImage(); oi.Show(); } }

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• Misunderstanding I have about javascript prototype inheritance

  - by Ilya

  Simple questions. function p() { function A() { this.random = "random"; } A.prototype.newfunc = function(){ alert("5");} function B() { } B.prototype = new A(); var bObj = new B(); } Q1: When I set B's prototype, I don't get how B's prototype property will update when/if A's prototype is updated. I mean, to me it just inherits/copies all those properties. It's not like it's: B.prototype = A.prototype where B and A are one in the same. Q2: After A is being returned and intialized to the prototype object of B, how does JS know not to include that prototype property? What I mean is, we never have this type of situation occuring as the JS interpreter knows just to chop off the property of A's prototype: B.prototype = new A(); //any A object has an associated prototype object B.prototype.prototype;//after initialization we no longer have the separate prototype property of A

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• CACLS Confusion

  - by codeulike

  During my NSIS setup script for a WinForms app, I use the following CACLS command to give the Users group full rights to a subfolder: Exec 'CACLS "$INSTDIR\SubFolder" /E /T /C /G "Users":F' So in effect the CACLS command executed is something like: CACLS "c:\Program Files\MyApp\SubFolder" /E /T /C /G "Users":F When I then look at the Folder permissions in Windows Explorer (right click on the folder and choose Properties, go to the Security tab), the correct permissions are there but they are uneditable. Furthermore, clicking the Advanced button for the 'Advanced Security Settings' shows that SubFolder is inheriting the "Users" group permissions from a 'Parent Object', but what is that Parent Object, because its not the folder above. Why are the permissions added by CACLS uneditable, and why are they inherited from nonexistent parent object? I thinking I may have set the options on CACLS wrong. I'm on Windows XP.

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• Stack & heap understanding question

  - by Petr

  Hi, I would really appreciate if someone could tell me whether I understand it well: class X { A a1=new A() //reference on the stack, object value on the heap a1.VarA=5; //on the stack - value type A a2=new A() //reference on the stack, object value on the heap a2.VarA=10; //on the stack - value type a1=a2; //on the stack, the target of a1 reference is updated to a2 value on the heap //also both a1 and a2 references are on the stack, while their "object" values on the heap. But what about VarA variable, its still pure value type? } class A { int VarA; }

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• Hibernate: Criteria vs. HQL

  - by cretzel

  What are the pros and cons of using Criteria or HQL? The Criteria API is a nice object-oriented way to express queries in Hibernate, but sometimes Criteria Queries are more difficult to understand/build than HQL. When do you use Criteria and when HQL? What do you prefer in which use cases? Or is it just a matter of taste?

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• How can I access a method of the consumer class inside a method created at runtime in a method of th

  - by xxxxxxx

  I define a method inside a parametrized role that needs to create a new class at run time using Moose::Meta::Class->create and apply that exact parametrized role to it. I am also making a new method for that role using $new_class->meta->add_method( some_name => sub { my ($self) = @_; ... }) inside the sub {...} I want to access a method of the consumer class and use it for something, I have tried using $self->get_method, it didn't work, how do I do this? Please notice that the $self inside the sub above is MooseX::Role::Parameterized::Meta::Role::Parameterizable I also have another question, if I do this: my $object = Moose::Meta::Class->create( "some_type", ); Why isn't $object of type some_type and it's some ugly MooseX::Role::Parameterized::Meta::Role::Parameterizable and how do I get to the object of type some_type?

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• "Collection was modified..." Issue

  - by Tyler Murry

  Hey guys, I've got a function that checks a list of objects to see if they've been clicked and fires the OnClick events accordingly. I believe the function is working correctly, however I'm having an issue: When I hook onto one of the OnClick events and remove and insert the element into a different position in the list (typical functionality for this program), I get the "Collection was modified..." error. I believe I understand what is going on: The function cycles through each object firing OnClick events where necessary An event is fired and the object changes places in the list per the hooked function An exception is thrown for modifying the collection while iterating through it My question is, how to do I allow the function to iterate through all the objects, fire the necessary events at the proper time and still give the user the option of manipulating the object's position in the list? Thanks, Tyler

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