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shared_ptr to an array : should it be used?

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Method overloading in Objective-C?

As far as my knowledge, Objective-C does not support method overloading. What can be the alternative for this in Objective-C? Or should I always use different method name? ...
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Change a column type from Date to DateTime during ROR migration

I need to change my column type from date to datetime for an app I am making. I don't care about the data as its still being developed. ...
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Ruby on Rails Callback, what is difference between :before_save and :before_create?

Could you explain in detail what the :before_save and :before_create Ruby on Rails callbacks are, and what they have to do with Rails validations? Does validation occur after :before_save or :before_create ? ...
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HttpURLConnection timeout settings

I want to return false if the URL takes more then 5 seconds to connect - how is this possible using Java? Here is the code I am using to check if the URL is valid ...
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ASP.NET MVC: Is Controller created for every request?

Very simple question: Are controllers in ASP.NET created for every HTTP request, or are they created at application startup and reused throughout requests? ...
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Can you call ko.applyBindings to bind a partial view?

I'm using KnockoutJS and have a main view and view model. I want a dialog (the jQuery UI one) to popup with another view which a separate child view model to be bound to. ...
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Fragment or Support Fragment?

...p that supports Android >= 4.0. It uses fragments from the android.app package. As I am facing problems with the older fragment implementation in 4.0, like this one , that are already fixed in the support library, I am considering switching back to the fragment implementation from the support lib...
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Windows batch: call more than one command in a FOR loop?

Is it possible in Windows batch file to call more than one command in a single FOR loop? Let's say for example I want to print the file name and after delete it: ...
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How to generate an openSSL key using a passphrase from the command line?

...o random phrase used? I'm just looking for something "good enough" to keep casual hackers at bay. 2 Answers ...