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• Assign method in Scala.

  - by Lukasz Lew

  When this code is executed: var a = 24 var b = Array (1, 2, 3) a = 42 b = Array (3, 4, 5) b (1) = 42 I see three (five?) assignments here. What is the name of the method call that is called in such circumstances? Is it operator overloading?

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• run a program or method at specific time in java

  - by Parth

  I just want that my program or method should run at specific date and time. i have heard about Timer and TimerTask in java api. But don't know exactly how to use it.

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• Invoke method in another class

  - by Sam

  I have two view controllers (viewControllerA and viewControllerB) with their own views. When the user touches a button in the view of viewControllerA, I am able to load the view of the viewControllerB. However, I don't know how to invoke a method in viewControllerB's class!

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• trace this java method

  - by Bader

  public static int ABC(int x, int y) { if(y==0) return(0); else return(x + ABC(x,y-1)); } /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub System.out.println(ABC(5,3)); }

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• When to use Factory method pattern?

  - by Jaswant Agarwal

  When to use Factory method pattern? Please provide me some specific idea when to use it in project? and how it is a better way over new keyword?

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• modify a variable in a anonymous method

  - by Navid Farhadi

  I want to modify a local variable in a function of extension method. See int myvar=0; MyList.Where( x => { if (condition) myvar += 1; return false; }); return myvar; But that is not working. What is the problem.

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• Using the Callback Method on a View in ASP.NET MVC

  - by Tony

  I have a master page with that code: public string CallbackMethod; protected void Page_Load(object sender, EventArgs e) { CallbackMethod = Page.ClientScript.GetCallbackEventReference(this, "message", "Dodanie", "context", true); } /other code here/ then, in the View (which is based on that master page) I need to invoke the CallbackMethod string, but the problem is, the framework firstly renders the View, and then invokes the Page_Load method. As the obvious result, the error appears: the name 'CallbackMethod' does not exist in the current context. How do I fix this?

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• Hibernate : Disabling contextual LOB creation as createClob() method threw error

  - by Giri Byaks

  Hi, I am using using hibernate 3.5.6 with Oracle 10g. I am seeing the below exception during initialization but the application itself is working fine. What is the cause for this exception? and how it can be corrected? Exception Disabling contextual LOB creation as createClob() method threw error : java.lang.reflect.InvocationTargetException Info Oracle version: Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 JDBC driver: Oracle JDBC driver, version: 11.1.0.7.0 Thanks, Girish

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• Factory Method and Cyclic Dependancy

  - by metdos

  If I'm not wrong, because of its nature in factory method there is cyclic dependency: Base class needs to know subclasses because it creates them, and subclasses need to know base class. Having cyclic dependency is bad programming practice, is not it? Practically I implemented a factory, I have problem above, even I added #ifndef MYCLASS_H #define MYCLASS_H #endif I'm still getting Compiler Error C2504 'class' : base class undefined And this error disappers when I remove subclass include from base class header.

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• how can we use AsynCallback method of web service in asp.net

  - by sameer

  Hi All, I was going through the proxy class which is generated using wsdl.exe found the asyncmethod like BeginAsynXXX() and EndAsyncXXX(). i understood how to utilize them on Windows application but i was wondering how can we use them in Web Application built using asp.net here is the code for web service client build as windows application.can any tell me how we can do this with web application. using System; using System.Runtime.Remoting.Messaging; using MyFactorize; class TestCallback { public static void Main(){ long factorizableNum = 12345; PrimeFactorizer pf = new PrimeFactorizer(); //Instantiate an AsyncCallback delegate to use as a parameter //in the BeginFactorize method. AsyncCallback cb = new AsyncCallback(TestCallback.FactorizeCallback); // Begin the Async call to Factorize, passing in our // AsyncCalback delegate and a reference // to our instance of PrimeFactorizer. IAsyncResult ar = pf.BeginFactorize(factorizableNum, cb, pf); // Keep track of the time it takes to complete the async call // as the call proceeds. int start = DateTime.Now.Second; int currentSecond = start; while (ar.IsCompleted == false){ if (currentSecond < DateTime.Now.Second) { currentSecond = DateTime.Now.Second; Console.WriteLine("Seconds Elapsed..." + (currentSecond - start).ToString() ); } } // Once the call has completed, you need a method to ensure the // thread executing this Main function // doesn't complete prior to the call-back function completing. Console.Write("Press Enter to quit"); int quitchar = Console.Read(); } // Set up a call-back function that is invoked by the proxy class // when the asynchronous operation completes. public static void FactorizeCallback(IAsyncResult ar) { // You passed in our instance of PrimeFactorizer in the third // parameter to BeginFactorize, which is accessible in the // AsyncState property. PrimeFactorizer pf = (PrimeFactorizer) ar.AsyncState; long[] results; // Get the completed results. results = pf.EndFactorize(ar); //Output the results. Console.Write("12345 factors into: "); int j; for (j = 0; j<results.Length;j++){ if (j == results.Length - 1) Console.WriteLine(results[j]); else Console.Write(results[j] + ", "); } } }

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• Java: Check if a given method name exist in compile time

  - by Tom Brito

  I'm developing a frameword for handle Actions from Java Swing components; I would like to know if there is a way of checking if a given method name (that will be accessed by reflections) exists in compile time, and show a compiler error if not?

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• Divide and conquer method to compute roots

  - by hellsoul153

  Hello, Knowing that we can use Divide-and-Conquer algorithm to compute large exponents, for exemple 2 exp 100 = 2 exp(50) * 2 exp(50), which is quite more efficient, is this method efficient using roots ? For exemple 2 exp (1/100) = (2 exp(1/50)) exp(1/50) ?

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• Intercept method calls in Python

  - by eaigner

  Hi. I'm implementing a RESTful web service in python and would like to add some QOS logging functionality by intercepting function calls and logging their execution time and so on. Basically i thought of a class from which all other services can inherit, that automatically overrides the default method implementations and wraps them in a logger function. What's the best way to achieve this?

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• Equivalent of NextResult() method in Dataset/DataAdapter?

  - by flopdix

  Hi All, I have a stored procedure that contains 3 select statements hence i get 3 resultsets. I am aware that using SqlDataReader, i can use NextResult() method to jump to the 2nd or 3rd resultsets by calling it twice or thrice. But i want to use the dataset/dataadapter, is there any ways that i can achieve this by not changing my stored procedure? tia!

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• toJSON "Object doesn't support this property or method"

  - by uzay95

  I've a Javascript Class and its method. But when i call it toJSON is generating an error. I couldn't figure out why this error is happening.

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• Calling remote method of shared objects in Actionscript 3.0

  - by Sumit Ghosh

  I am not to add method to a remote shared object in AS3. In AS2 this code used to work SharedObjectName.MethodName = function(){} But this code is not working for AS3. I searched in Google and other AS3 forums but didn't get any help. can anyone provide a pointer to me please. Thanks, Sumit

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• Testing a method instead of testing a whole file in Netbeans w/ JUnit

  - by Maciek

  I'm using Netbeans 6.8 and the finest-grained way to run my JUnit tests from the IDE appears to be to right-click a class under Test Packages and click Test File In Eclipse it's possible to narrow the scope to testing an individual method in a given test harness. How do I test only one individual test out of a harness in Netbeans?

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• Naming a method that converts raw data into an object

  - by Emanuil

  Say you have data in the format: name=john;age=33;gender=male How would you call a method that converts data like that into an an object / associative array? I've been thinking about: - unserialize_variables - parse_variables

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• Is the foobar:finished:context: method of UIView animations delegate really giving a BOOL for finish

  - by mystify

  Althoug I read everywhere that the method signature has a BOOL for finished, I do never get a false. It is always true. And now the strange thing: When I NSLog that out with %d, it is always either 32 or 40. Other BOOLs I have are either 1 or 0. That makes no sense. So: Not a bool, right? What's that instead, really?

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• Determine if method is unsafe via reflection

  - by hmemcpy

  I'm looking for a way to filter out methods which have the unsafe modifier via reflection. It doesn't seem to be a method attribute. Is there a way? EDIT: it seems that this info is not in the metadata, at least I can't see it in the IL. However reflector shows the unsafe modifier in C# view. Any ideas on how it's done? Thanks!

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• NoMethodError: undefined method `has_attached_file'

  - by mirza

  Paperclip produces this error, after checking out the plugin's rails3 branch. My Gemfile has following line: gem 'paperclip', :git => 'http://github.com/thoughtbot/paperclip.git', :branch => 'rails3' And the error message is: NoMethodError: undefined method `has_attached_file' for #<Class:0x2a50530>

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• find_or_create_by_facebook_id method not found

  - by Justin

  Hi guys, I'm trying to find out where this function comes from. Any one have any clue? It's used by this: http://github.com/fluidtickets/facebooker-authlogic-bridge with a working example here: http://facebooker-authlogic-bridge.heroku.com Downloading the code, it throws: undefined method 'find_or_create_by_facebook_id' for #<Class:0xb04dd1c> I have no clue where this function comes from. Thanks all!

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• How to access ivar from class method of other implementation file

  - by David Bleu

  The title says it all, how do I access properties (title, state,...) of instance variables from within a class method of an other implementation file? I tried @synthesize but I couldn't get it to work.

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• Implement zCheckout paymwnt method in Zend.

  - by Muhammad Sajid

  Is it possible to implement 2checkout payment method with Zend? If yes then how we can do this?

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• Divide and conquer method to compute roots [SOLVED]

  - by hellsoul153

  Hello, Knowing that we can use Divide-and-Conquer algorithm to compute large exponents, for exemple 2 exp 100 = 2 exp(50) * 2 exp(50), which is quite more efficient, is this method efficient using roots ? For exemple 2 exp (1/100) = (2 exp(1/50)) exp(1/50) ? In other words, I'm wondering if (n exp(1/x)) is more efficient to (n exp(1/y)) for x < y and where x and y are integers.

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