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What are differences between PECL and PEAR?

I can see that GD library is for images. But I can't see differences between PECL and PEAR. Both have authentication. What are the main differences between two? Why don't they combine them? ...
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How to implement a property in an interface

I have interface IResourcePolicy containing the property Version . I have to implement this property which contain value, the code written in other pages: ...
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Does anyone know what the new Exit icon is used for when editing storyboards using Xcode 4.5?

Right-clicking the Exit icon yields an empty window. Can't Ctrl-drag a connection to any IB elements or corresponding source files. Docs give no love. Doesn't appear in nib files, only storyboards. My assumption is that it's a corollary to segues, but I don't see any new methods to back it up. Anyon...
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ERROR: Error installing capybara-webkit:

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Using custom std::set comparator

I am trying to change the default order of the items in a set of integers to be lexicographic instead of numeric, and I can't get the following to compile with g++: ...
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Notification when a file changes?

Is there some mechanism by which I can be notified (in C#) when a file is modified on the disc? 3 Answers ...
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Why is UnhandledExceptionEventArgs.ExceptionObject an object and not an Exception?

Why is UnhandledExceptionEventArgs.ExceptionObject an object and not an Exception ? 2 Answers ...
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Where does VBA Debug.Print log to?

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How can I limit a “Run Script” build phase to my release configuration?

I have a shell script that I would like to run at the end of my target's build phase. However, I would like this script to only run when I build with the release configuration. How can this be done? Thanks! ...
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Content Security Policy “data” not working for base64 Images in Chrome 28

In this simple example, I'm trying to set a CSP header with the meta http-equiv header. I included a base64 image and I'm trying to make Chrome load the image. ...