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Timeout function if it takes too long to finish [duplicate]

... Beware that this is not thread-safe: if you're using multithreading, the signal will get caught by a random thread. For single-threaded programs though, this is the easiest solution. – Wim Feb 17 '10 at 17:03 ...
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Assignment inside lambda expression in Python

... for main in [lambda: sub( ['loop' for factor in [1, 2, 3] if sub( ['def' for my_radius, my_height in [[10 * factor, 20 * factor]] for my_cylinder in [Cylinder(my_radius, my_height)]], echo(u"A cylinder with a r...
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Why does int i = 1024 * 1024 * 1024 * 1024 compile without error?

...A VALUE(although 2147483648L is) in Java. The compiler literally does not know what it is, or how to use it. So it whines. 1024 is a valid int in Java, and a valid int multiplied by another valid int, is always a valid int. Even if it's not the same value that you would intuitively expect because t...
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How to allow to accept only image files?

...turn; } // here you can do whatever you want with your image. Now you are sure that it is an image } }
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One-liner to check whether an iterator yields at least one element?

... any won't go beyond the first element if it's True. In case the iterator yields something false-ish you can write any(True for _ in iterator). share | improve th...
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Manipulate a url string by adding GET parameters

... This approach is good when you know that 'category' parameter is not already in the URL. If the parameter is in a URL already then PHP should take the value of the last occurrence of the parameter in the URL, so the solution of @andrewtweber still works. Ye...
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Detecting when the 'back' button is pressed on a navbar

...lution any more. Worked at the time I first used this (it was iOS 10). But now I accidentally found it calmly stopped working (iOS 11). Had to switch to the "willMove(toParentViewController)" solution. – Vitalii Jan 24 '18 at 14:27 ...
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std::enable_if to conditionally compile a member function

...ying to get a simple example to work to understand how to use std::enable_if . After I read this answer , I thought it shouldn't be too hard to come up with a simple example. I want to use std::enable_if to choose between two member-functions and allow only one of them to be used. ...
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`Apache` `localhost/~username/` not working

... Thanks, it solved mine too, I'd be glad to know why it didn't work with Require local and the + signs! – Sassan Oct 5 '15 at 2:12 ...
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Split a string by another string in C#

...e it suddenly drags my attention from stream level to byte level. Anybody know why C# library guys designed the Split method like this? If there is a good reason, I can probably try to appreciate it despite the inconvenience. – foresightyj Jan 23 '15 at 5:24 ...