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• help me understand the method Validator.TryValidateObject()

  - by Benny

  this is the method definition: public static bool TryValidateObject( Object instance, ValidationContext validationContext, ICollection<ValidationResult> validationResults, bool validateAllProperties ) what i am confused is the validateAllProperties parameter, I understand when it is true-validate all properties. What about when it is false, not validate all properties, but which property will be validated?

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• maven-assembly-descriptor include this very module

  - by bmargulies

  In a single-module project, I don't see how to get a 'classified' artifact from the project itself into the descriptor and thus the assembly. Do I list it as a dependency?

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• Alternative for assigns() in Cucumber with Capybara?

  - by thillerson

  I'm trying out capybara with cucumber to get some better javascript test coverage. I have a lot of steps that check or use things from the Rails integration test helpers, for instance: assigns(:current_user).should_not be_nil No matter how I call assigns, even if I say something like p assigns it errors with: undefined method `template' for nil:NilClass (NoMethodError) So, it seems that I can't do that anymore. Is there an alternative to introspecting what's going on in the controller, or maybe some way of at least running those steps in such a way that I have the integration test stuff back?

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• How large is the download for the .NET 4.0 client profile?

  - by Ben Straub

  I've seen numbers about the full install size of the framework, but my Google-fu has failed me when it comes to how large the upgrade download will be. For instance, for a user who has 2.0 installed, how much will they have to download to upgrade to 4.0CP?

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• Symfony 1.4: Storing an array in session with SetAttribute

  - by Tom

  Hi, I'm wondering if someone knows how to store an array into a user session? This is the method to store a single attribute: $this->getUser()->setAttribute('something', $something); And the documentation says: "User attributes can store any type of data (strings, arrays, and associative arrays)" ... but doesn't say anything more. The API documentation doesn't have a "SetAttributes" or something similarly obvious. Thank you.

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• Spawning a interactive process

  - by notnoop

  How can a Java application spawn a new interactive application (e.g. an command line editor) from Java/Scala? When I use Runtime.getRuntime().exec("vim test"), I would only get a Process instance, while vim would be running in the background; rather then appear to the user.

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• How to show GridView in tooptip in asp.net

  - by IrfanRaza

  Hello friends, Normally what happens, a single or more lines are shown as a tooltip. What I need is to show a gridview as a tooltip. Actually in my project i need to show all the notes associated with a stock in a gridview. Can anybody help me? Thanks for sharing your valuable time.

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• Is it possible to use multiple languages in .NET resource files?

  - by Gabe Brown

  We’ve got an interesting requirement that we’ll want to support multiple languages at runtime since we’re a service. If a user talks to us using Japanese or English, we’ll want to respond in the appropriate language. FxCop likes us to store our strings in resource files, but I was curious to know if there was an integrated way to select resource string at runtime without having to do it manually. Bottom Line: We need to be able to support multiple languages in a single binary. :)

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• Java Applet question regarding data manipulation

  - by seraphina

  Generally, how does a java applet manipulate user data? Take for instance "shopping carts" on shopping websites - after a user enters the data, is the data then preloaded each time a user accesses a website? Or is the data retrieved as the user is on the page?

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• How to create a windows service from java app

  - by ideasculptor

  I've just inherited a java application that needs to be installed as a service on XP and vista. It's been about 8 years since I've used windows in any form and I've never had to create a service, let alone from something like a java app (I've got a jar for the app and a single dependency jar - log4j). What is the magic necessary to make this run as a service? I've got the source, so code modifications, though preferably avoided, are possible.

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• Can a constructor return a NULL value?

  - by Sanctus2099

  I know constructors don't "return" anything but for instance if I call CMyClass *object = new CMyClass() is there any way to make object to be NULL if the constructor fails? In my case I have some images that have to be loaded and if the file reading fails I'd like it to return null. Is there any way to do that? Thanks in advance.

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• mysql reader not worked when i worked with huge amount of data

  - by Steven Spielberg

  my Select query not worked when i worked with mysql and database have a huge amount of information. i got error System.NullReferenceException: Object reference not set to an instance of an object. for MySqlDataReader reader = cmd.ExecuteReader(CommandBehavior.CloseConnection);

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• Deleting Multiple rows from a TableView

  - by Sid

  hi Frnz, i want to delete multiple rows from a table view based on users selection.obviously i cant use didSelectRowAtIndexPath method coz it will be called for every row selected. i want to allow user to select multiple rows for deletion and then delete them in one go...Is it possible if yes then how to go about it.Also i am using a single view based project and i want the header of table view changed to "Delete" on the same view when the user want to delete the rows from the view. Thx

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• How do I use objc_getAssociatedObject/objc_getAssociatedObject inside an object?

  - by leo

  If I use objc_setAssociatedObject/objc_getAssociatedObject inside a category implementation to store a simulated instance variable in a setter method, how would I access the key in the getter method since any variables declared in the setter method would be outside the scope of the getter method?

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• How to make Php application running on Xampp to connect to a remote mysql db?

  - by gsk

  I have a php application running on XAMPP but I want to connect to a mysql db running on a remote machine(which is also using XAMPP). The application works fine when I connect to the mysqldb instance on my machine. I have changed the configuration files to point to the remote db and have given the correct credentials as well. But I get access denied error.

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• How to deal with JSON output that might be an array, or might be a value

  - by Summer

  Hi - I'm getting JSON-encoded output from another organization's API. In many cases, the output can be either an array of objects (if there are many) or an object (if there's just one). Right now I'm writing tortured code like this: if ( is_array($json['candidateList']['candidate'][0]) ) { foreach ($json['candidateList']['candidate'] as $candidate) { // do something to each object } } else { // do something to the single object } How can I handle it so the "do something" part of my code only appears once and uses a standard syntax?

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• What is null an instanceof?

  - by kunjaan

  Is null an instance of anything? What set does 'null' belong to? What is null? How is it represented in the memory?

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• Is there a way define a global variable which is accesible from a class method?

  - by Starx

  Here is the situation I create a instance of a class $newobj = new classname1; Then I have another class writtern below and I want to this class to access the object above class newclass { public function test() { echo $newobj->display(); } } It is not allowed, is there a way define a variable globally through a class?

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• The number of HTTP requests need to be made for downing a webpage?

  - by powerboy

  Are all assets (html files, js files, css files, images) in one webpage transmitted through a single HTTP request/response, or through multiple HTTP requests/responses, one for each asset? Assumed no XHR in that webpage.

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• Injection of class with multiple constructors

  - by Jax

  Resolving a class that has multiple constructors with NInject doesn't seem to work. public class Class1 : IClass { public Class1(int param) {...} public Class1(int param2, string param3) { .. } } the following doesn’t seem to work: IClass1 instance = IocContainer.Get<IClass>(With.Parameters.ConstructorArgument(“param”, 1)); The hook in the module is simple, and worked before I added the extra constructor: Bind().To(); Thanks in advance...

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• 'Auto' option missing for TreeView subclass

  - by Jared

  I've created a custom control that subclasses TreeView. Right now it's completely empty, doesn't override anything. However when I place an instance in the designer the 'Auto' value for the Width and Height fields is no longer available as it is with the default TreeView. What am I missing?

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• With ARC why use @properties anymore?

  - by trapper

  In non-ARC code retained properties handily take care of memory management for you using the self.property = syntax, so we were taught to use them for practically everything. But now with ARC this memory management is no longer an issue, so does the reason for using properties evaporate? is there still any good reason (obviously other than providing public access to instance variables) to use properties anymore?

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• gedit underscore as a word_character

  - by dreftymac

  Is it possible to configure gedit to treat the underscore character as a word character? Currently, it appears that the editor treats "two_words" as two separate words when selecting, instead of a single word as in many other mainstream text editors.

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• Default MVC Web Application Database

  - by wows

  When setting up a new ASP.NET MVC Web Application, the default connection string inside Web.Config is something like this: connectionString="data source=.\SQLEXPRESS;Integrated Security=SSPI;AttachDBFilename=|DataDirectory|aspnetdb.mdf;User Instance=true" I'm just wanting to play around with logging in and registering, etc but when I run the app it obviously can't find a SQL database. What database with what tables do I need to setup to do this? I have SQL Server 2005 Standard installed on my system, is that enough? Thanks.

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• How to lock files in a tomcat web application?

  - by yankee

  The Java manual says: The locks held on a particular file by a single Java virtual machine do not overlap. The overlaps method may be used to test whether a candidate lock range overlaps an existing lock. I guess that if I lock a file in a tomcat web application I can't be sure that every call to this application is done by a different JVM, can I? So how can I lock files within my tomcat application in a reliable way?

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