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How to launch Safari and open URL from iOS app

... But this is not 100%, because if someone use a jailbreaked iOS and use Chrome or something as default browser, then this will open that, not Safari – Laszlo Sep 30 '13 at 12:55 ...
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Unable to Cast from Parent Class to Child Class

... A simple way to downcast in C# is to serialize the parent and then deserialize it into the child. var serializedParent = JsonConvert.SerializeObject(parentInstance); Child c = JsonConvert.DeserializeObject<Child>(serializedParent); I have a simple console app that casts...
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Convert PDF to image with high resolution

I'm trying to use the command line program convert to take a PDF into an image (JPEG or PNG). Here is one of the PDFs that I'm trying to convert. ...
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MySQL Server has gone away when importing large sql file

... As stated here: Two most common reasons (and fixes) for the MySQL server has gone away (error 2006) are: Server timed out and closed the connection. How to fix: check that wait_timeout variable in your mysqld’s my.cnf configuration file is large en...
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Is there a UIView resize event?

I have a view that has rows and columns of imageviews in it. 7 Answers 7 ...
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Use basic authentication with jQuery and Ajax

... Won't this leave the username and password out in the open for anyone to see ? Even if its in base64 they can just decode it. Same with the answer below. – cbron Aug 13 '14 at 17:32 ...
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What's the difference between returning void and returning a Task?

...arious C# Async CTP samples I see some async functions that return void , and others that return the non-generic Task . I can see why returning a Task<MyType> is useful to return data to the caller when the async operation completes, but the functions that I've seen that have a return typ...
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Nearest neighbors in high-dimensional data?

...d the nearest neighbors for a given vector. My vector is now 21 dimensions and before I proceed further, because I am not from the domain of Machine Learning nor Math, I am beginning to ask myself some fundamental questions: ...
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How do you rename a MongoDB database?

There's a typo in my MongoDB database name and I'm looking to rename the database. 10 Answers ...
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Are 2^n and n*2^n in the same time complexity?

... answer this question. The definition is that f(x) belongs to O(g(x)) if and only if the limit limsupx → ∞ (f(x)/g(x)) exists i.e. is not infinity. In short this means that there exists a constant M, such that value of f(x)/g(x) is never greater than M. In the case of your question let f(n) ...