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  • Why string.Replace("X","Y") works only when assigned to new string?

    - by Petr
    Hi, I guess it has to do something with string being a reference type but I dont get why simply string.Replace("X","Y") does not work? Why I need to do `string A=stringB.Replace("X","Y") I thought it is just a method to be done on specified instance? Thanks for explanation EDIT: Thank you so far. I extend my question Why "b+="FFF"works but the b.replace is not?

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  • How to set a native object property

    - by theunilife
    ok so im creating a jquery plugin that will allow me to use the new html5 Audio interface and im trying to create an option that is an object that you will be able to set the various listeners but i dont seem to be able to set those options to the listener property of the Audio object.

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  • Initialize an object in java

    - by harigm
    Is it the right Way we initialise the the object? I have a class Sample I want to initialise the Object in my Sample1 Class After intialisation I dont require to use the object of Sample Class. In that Case Can I initialise that object as new Sample(); instead of Sample s = new Sample(); if I am not going to use s anywhere in my Sample1 Class My question, is this a good practice to do that? will there be any after affects

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  • How to show a UINavigationController with an UIButton on the Iphone?

    - by Claudio
    Hi, in my application the first view is an UIView with a couple of uilabel and an uibutton to do the login. I would to show an uinavigationcontroller with a table after the login, so with the action of the button. I know how to set up a working Navigation Controller starting with the Xcode Template but i dont know how to load this as a "Second View" Any help?

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  • how can i create download link in html?

    - by Venkats
    I have basic idea to the html and studying the basic things of java script and applied on it. And also i want to create the download link in my sample website. But i dont have idea of how to create it? Please tell me the procedure.. Thanks in Advance.

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  • prefill a std::vector at initialization?

    - by user146780
    I want to create a vector of vector of a vector of double and want it to already have (32,32,16) elements, without manually pushing all of these back. Is there a way to do it during initialization? (I dont care what value gets pushed) Thanks I want a 3 dimensional array, first dimension has 32, second dimension has 32 and third dimension has 16 elements

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  • extend php with java/c++?

    - by fayer
    i only know php and i wonder if you can extend a php web application with c++ or java when needed? i dont want to convert my code with quercus, cause that is very error prone. is there another way to extend it? cause from what i have read python can extend it with c++ without converting the python code and use java with jython?

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  • What is the need of JavaScript while developing a page?

    - by nepc
    I have been developing websites for some time now and I hardly use any Javascript in my pages. Whatever I can want to do with JavaScript, it is possible through PHP. Just like ajax itself. We can send a regular request instead of a ajax request, can't we? We can use "include" to include sub part of pages. So am i missing something about javascript, that I dont know of?

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  • initiliase the object in java

    - by harigm
    is it the right Way we initialise the the object? I have a Class Sample(); I want to intialise the Object in my Sample1 Class After intialisation I dont require to use the object of Sample Class. In that Case Can I initialise that object as new Sample(); instead of Sample s = new Sample(), if I am not going to use s anywhere in my Sample1 Class My question, is this a good practice to do that? will there be any after affects

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  • How to finish series of open sub-activities from one activity?

    - by RockOn
    Hi, I am trying to make an exit button for my application. Anyhow I am able to track all the instance of activity in my application and then finish them all. But still some activity remain alive in some cases. Dont know how. Is there any method to kill a particular application in android. Or any other way can I exit from my application. Thanks

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  • How to close the connection after set Transation to Nothing or Commit/Rollback

    - by user1957271
    I develop the DAL class for db operation Public Sub StartTransaction() Dim objConnection As SqlConnection = EstablishConnection() objConnection.Open() Me.Transaction = objConnection.BeginTransaction() End Sub Public Sub CommitTransaction() Me.Transaction.Commit() End Sub Public Sub RollBackTransaction() Me.Transaction.Rollback() End Sub after start the transaction when we commit or rollback and set transaction object to nothing it dont close the connection attach with this transaction how I close the Connection attach to this transaction???

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  • How dinamically set validation attributes to a Model MVC 2?

    - by Tar
    Lets says I have the following model public class Person { [NameIsValid] public string Name { get; set;} public string LastName { get; set; } } I created a custom attribute NameIsValid for this model. Lets says for ViewA I need the custom attribute validation in the model, but for ViewB I dont need this custom validation attribute, how can I dinamically set or remove the custom attribute from the model when need it? Thanks!

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  • what math do i need to convert this number

    - by Uberfuzzy
    given an X, what math is needed to find its Y, using this table? x->y 0->1 1->0 2->6 3->5 4->4 5->3 6->2 language agnostic problem and no, i dont/cant just store the array, and do the lookup. yes, the input will always be the finite set of 0 to 6. it wont be scaling later.

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  • My application crashes on device

    - by Fazalyazdan
    hi i am new to iphone development and currently i am working on client server applications but the application run and work good on simulator but when i try it on device then the application crash after some times .Now i dont know why this will happend because i release every object which are decalre with alloc or init.but still crash on device . My application are like (Rate My puppy application)which are store on apple store . please help me if any one have the solutions .

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  • visual description for data structure

    - by radi
    i have a data structure for my compiler (such as ast) , and i need a method to print it (like ms visio) and verify its contents (i need to verify the contents of the ast nodes) note : i dont want to print it to the console , i am using c++ & qt thanks

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  • Code obfuscator for php?

    - by jhonte
    Hey! Has anybody used a good obfuscator for PHP?, I've tried some but they dont work for very big projects. They can't handle variables that are included in one file and used in another, for instance. Or do you have any other tricks for stopping the spread of your great code? :)

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  • Writing A Good C# Equals Method

    - by ChloeRadshaw
    Does anyone have a template for writing a decent equals method - I remember in Effective Java there was problems around handling equals when dealing with subclasses. I dont have the book with me and I cannot remember if it was practical advice - So how do you write a solid robust equals method implementation?

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