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Xcode 4 says “finished running ” on the targeted device — Nothing happens

The app neither installs nor runs on my device. All provisioning profiles are up to date. I've already tried deleting and re-installing them. ...
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Web API Put Request generates an Http 405 Method Not Allowed error

Here's the call to the PUT method on my Web API - the third line in the method (I am calling the Web API from an ASP.NET MVC front end): ...
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How to Sync iPhone Core Data with web server, and then push to other devices? [closed]

I have been working on a method to sync core data stored in an iPhone application between multiple devices, such as an iPad or a Mac. There are not many (if any at all) sync frameworks for use with Core Data on iOS. However, I have been thinking about the following concept: ...
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Most efficient way to remove special characters from string

I want to remove all special characters from a string. Allowed characters are A-Z (uppercase or lowercase), numbers (0-9), underscore (_), or the dot sign (.). ...
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How do you build a Singleton in Dart?

The singleton pattern ensures only one instance of a class is ever created. How do I build this in Dart? 15 Answers ...
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Understanding the meaning of the term and the concept - RAII (Resource Acquisition is Initialization

Could you C++ developers please give us a good description of what RAII is, why it is important, and whether or not it might have any relevance to other languages? ...
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How to save username and password with Mercurial?

I used Mercurial in a personal project, and I have been typing my username and password every time I want to push something to the server. ...
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How to scale a UIImageView proportionally?

I have a UIImageView and the objective is to scale it down proportionally by giving it either a height or width. 17 Answer...
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Insert Update trigger how to determine if insert or update

I need to write an Insert, Update Trigger on table A which will delete all rows from table B whose one column (say Desc) has values like the value inserted/updated in the table A's column (say Col1). How would I go around writing it so that I can handle both Update and Insert cases. How would I dete...
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Yes or No confirm box using jQuery

I want yes/No alerts using jQuery, instead of ok/Cancel button: 9 Answers 9 ...