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Center content of UIScrollView when smaller

I have a UIImageView inside a UIScrollView which I use for zooming and scrolling. If the image / content of the scroll view is bigger than the scroll view, everything works fine. However, when the image becomes smaller than the scroll view, it sticks to the top left corner of the scroll view. I ...
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Open directory dialog

...g one. I could "hack up" the functionality by letting the user pick a file and then strip the path to figure out which directory it belongs to but that's unintuitive at best. Has anyone seen this done before? ...
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How do I call some blocking method with a timeout in Java?

Is there a standard nice way to call a blocking method with a timeout in Java? I want to be able to do: 10 Answers ...
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Classes residing in App_Code is not accessible

I have created a website in ASP.NET and have created a class and put it inside of the App_Code folder. However I cannot access this from my other pages. Does something need to be configured to allow this? I have made it work in previous projects, but not in this one, somehow. ...
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Python 2.7 getting user input and manipulating as string without quotations

I want to get a string from a user, and then to manipulate it. 8 Answers 8 ...
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Fast way to get image dimensions (not filesize)

I'm looking for a fast way to get the height and width of an image in pixels. It should handle at least JPG, PNG and TIFF, but the more the better. I emphasize fast because my images are quite big (up to 250 MB) and it takes soooo long to get the size with ImageMagick's identify because it obv...
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Best way in asp.net to force https for an entire site?

...ctually, it will only secure connections from users that are already safe, and will fail to secure those that are being attacked (this is because a MITM can simply omit the redirection altogether and forward everything to your "secure" site). IMHO, redirecting user agents is just feel-good voodoo se...
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Match linebreaks - \n or \r\n?

... Gonna answer in opposite direction. 2) For a full explanation about \r and \n I have to refer to this question, which is far more complete than I will post here: Difference between \n and \r? Long story short, Linux uses \n for a new-line, Windows \r\n and old Macs \r. So there are multiple way...
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Where's the difference between setObject:forKey: and setValue:forKey: in NSMutableDictionary?

...oking at the documentation, I hardly see any big difference. Both "value" and "object" are of type id , so can be any object. Key is once a string, and in the other case an id. One of them seems to retain the object, and the other don't. What else? Which one is for what case? ...
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How to “warm-up” Entity Framework? When does it get “cold”?

... Entity Framework at anytime? You can go for a mix of pregenerated views and static compiled queries. Static CompiledQuerys are good because they're quick and easy to write and help increase performance. However with EF5 it isn't necessary to compile all your queries since EF will auto-compile qu...