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Error-Handling in Swift-Language

... thing I noticed is that there are no exceptions. So how do they do error handling in Swift? Has anyone found anything related to error-handling? ...
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How to change progress bar's progress color in Android

I'm using an horizontal progress bar in my Android application, and I want to change its progress color (which is Yellow by default). How can I do it using code (not XML)? ...
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How does the @property decorator work in Python?

I would like to understand how the built-in function property works. What confuses me is that property can also be used as a decorator, but it only takes arguments when used as a built-in function and not when used as a decorator. ...
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Could not load file or assembly 'System.Data.SQLite'

I've installed ELMAH 1.1 .Net 3.5 x64 in my ASP.NET project and now I'm getting this error (whenever I try to see any page): ...
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Xcode 4.5 Storyboard 'Exit'

I have just installed Xcode 4.5 for iOS6 support, and I have seen a new icon called 'Exit' in my Storyboard, listed under my view controllers along with 'First Responder' etc. A little green icon labeled 'Exit'. ...
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How to link a Facebook app with an existing fan page

Now that Facebook has depreciated the landing pages for apps , how do I get my app to point to the Fan page for it's landing page? ...
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Function in JavaScript that can be called only once

...y once, in each time after the first it won't be executed. I know from C++ and Java about static variables that can do the work but I would like to know if there is a more elegant way to do this? ...
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How often should you use git-gc?

... on how much the repository is used. With one user checking in once a day and a branch/merge/etc operation once a week you probably don't need to run it more than once a year. With several dozen developers working on several dozen projects each checking in 2-3 times a day, you might want to run it...
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Using try vs if in python

...er LBYL style ("look before you leap"). To me, it's a matter of efficiency and readability. In your example (say that instead of returning a list or an empty string, the function were to return a list or None), if you expect that 99 % of the time result will actually contain something iterable, I'd...
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Timer & TimerTask versus Thread + sleep in Java

...k is that it expresses your intention much better (i.e. code readability), and it already has the cancel() feature implemented. Note that it can be written in a shorter form as well as your own example: Timer uploadCheckerTimer = new Timer(true); uploadCheckerTimer.scheduleAtFixedRate( new Tim...