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• Is it necessary to check all the field in equals method of model class as i am using JPA ?

  - by Urvish

  Is it necessary to check all the field in equals method of model class as i am using JPA ? please reply....

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• Is there a better way to write the find_messages_by_slug_or_404 method?

  - by J. Pablo Fernández

  In my messages_controller I have the following private method: def find_message_or_404(slug) message = user.messages.find_by_slug(slug) if message.nil? raise Error404 end message end I find it not elegant and not very Rubist. Is there a way to improve it?

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• c# Can I use reflection to inspect the code in a method?

  - by koraytaylan

  i'm playing around with c# reflection api. i can easily load type info of classes, methods etc. in an assembly. now i wonder how can i load and read the code inside a method?

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• What value is hashCode() method is returning in java?

  - by Jothi

  What value is hashCode() method is returning in java?. i read that it is an memory reference of an object. when i print hascode value for new Integer(1), its 1. for String(a) - 97. so i confused. is it ascii or what type of value is?

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• In a django model custom save() method, how should you identify a new object?

  - by MikeN

  I want to trigger a special action in the save() method of a Django model object when I'm saving a new record (not updating an existing record.) Is the check for (self.id != None) necessary and sufficient to guarantee the self record is new and not being updated? Any special cases this might overlook?

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• What's the different between an async delegate and async method?

  - by DayOne

  What's the different between an async delegate and async method? Someone told me they were different in C#, but I thought they were the same thing.

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• Eclipse - How to show warning for unused method parameter ?

  - by Brad

  I am using Eclipse v3.5. In previous Eclipse versions i remember if i have defined a method with a parameter and didn't use it internally a warning appears, like this : public void myMethod( int x ) { // Didn't use x here so a warning appears at the x parameter. } But in v3.5 i do not see this warning. How can i enable it in Eclipse ?

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• Any function / method in Java to implement a "freeze panes"-like sheet?

  - by MikeG

  We are using Java and Javascript to try to display a huge sheet with freeze panes, but it is being very difficult. Does someone know about a library, method, script or something, either free or commercial, to do this? Thanks.

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• C# Why does code compile fine when there is an ambiguous virtual method?

  - by Jimbo

  I have a class (Class B) that inherits another class (Class A) that contains virtual methods. Mistakenly, I omitted the override keyword when declaring a (supposed to be) overriding method in Class B. Class A public class ClassA{ public virtual void TestMethod(){ } } Class B public class ClassB : ClassA{ public void TestMethod(){ } } The code compiled without a problem. Can anyone explain why?

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• How to pull a method out of it's class (and into a new or exsisting)?

  - by Nasit

  What is the easiest way of pulling an excisting method out of it's class and into a new class using Visual studio 2010 / Resharper? Edit: I use Resharper version 5.

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• Why is @somesynatax used on a line before people define a method for thier Model in App Engine?

  - by indiehacker

  Why are these used prior to defining a method for a model? @classmethod @staticmethod What is the difference between them? Are there others I should be aware of? Must I use them?

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• in java is the name of a method a string?

  - by David

  in java is the name of a method a string? why or why not? so if i have something like: public static int METHODNAME (some parameters or not) { something to do ; } is METHODNAME a string?

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• How to get string name of a method in java?

  - by drozzy

  How can I find out through reflection what is the string name of the method? For example given: class Car{ public void getFoo(){ } } I want to get the string "getFoo", something like the following: Car.getFoo.toString() == "getFoo" // TRUE

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• C++, class as parameter to a method, not template.

  - by ra170

  So, I came across an interesting method signature that I don't quite understand, it went along the lines of: void Initialize(std::vector< std::string > & param1, class SomeClassName * p); what I don't understand is the "class" keyword being used as the parameter, why is it there? Is it necessary to specify or it is purely superficial?

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• Is there a method to convert PyUnicodeObject variable to PyObject type?

  - by karnol

  A value which is a PyUnicodeObject need to be passed to PyObject variable. Is there any conversion method for that? thanks karnol

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• in Javascript, should I be using the for-loop construct or the forEach method for iteration?

  - by Dutch

  Is one way more efficient? Are there any limitations in one method versus the other? Thanks for any input you guys can give me ;-)

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• Is there a timeout for threads waiting on a synchronised method in Java?

  - by MalcomTucker

  Is there a default timeout for threads waiting on a synchronised method in Java? Some threads in my app are not completing as expected. Is there anyway to check whether threads have died as a result of timeouts?

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• C# What is the sense of Application.Exit Method ?

  - by PaN1C_Showt1Me

  I'm asking this question, because I can't figure out when I could find an use of this method. If I've designed everything correctly then I should be able by the medium of normal returns and try catch clauses to handle all problems and end the application in a correct manner. Am I wrong ?

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• Can PHP array passed POST method to catch in ASP.NET MVC?

  - by RendeRR

  Can PHP array passed POST method to catch in ASP.NET MVC? Query string: WebAccess/ArrayTest?val[]=1&val[]=2&val[]=3 I write: ActionResult ArrayTest (String[] val) But this only works if the query string to remove the "[]"

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• What groupbox method (if any) monitors radio button selections?

  - by JohnK813

  I'm creating a VB.NET application that includes two radio buttons inside of a groupbox. If the first radio button is selected, a certain tab on a tab form should be enabled. If the second radio button is selected, that tab should be disabled. Is there a groupbox method that monitors both radio buttons and fires when the selection changes? Or do I need to set up individual methods for each radio button?

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• DES?AES?RC4, which encryption method should I use for cellphone Encode and Decode?

  - by Mike108

  I have an asp.net web app storing user's cellphone number in Sql Server 2005. I want to use C# to encode cellphone number for security reason. Which encryption method should I use for cellphone Encode and Decode? DES?AES?RC4 or something else?

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• What is the significance of Thread.Join method in c sharp .net ?

  - by Techee

  What is the significance of Thread.Join method in c sharp .net ? MSDN says that it blocks the calling thread until a thread terminates. Can anybody explain this with a simple example ?

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• why cant we call start method twice on a same instance of the Thread object?

  - by GK

  I was reading about the thread and found that we cant call start method twice on the same thread instance. But i didnt get the exact reason for the same. so why we cant call it twice or even more times?

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• how to call async method until get success response?

  - by ppp

  I am making a async method call through a delegate. Delegate pointing to a function is a void function. How can I know that the async function has been executed successfully and if not the again call that function untill I get success response. here my code- BillService bs = new BillService(); PayAdminCommisionDelegate payCom = new PayAdminCommisionDelegate(bs.PaySiteAdminByOrderNo); payCom.BeginInvoke(OrderNo,null,null);

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• Should i use a C function or Obj-C Method?

  - by Daniel Granger

  I'm about to create a function which adds to NSDateComponents together is there any advantage to putting this in a C style function or should it go in a Obj-C method? Is there ever a reason to use one rather then the other or should I always stick to Obj-C? BTW: Not that it makes any difference I'm sure but this is for an app on the iPhone Many thanks

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