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How to declare a type as nullable in TypeScript?

... been implemented and will arrive with Typescript 2.0! (or typescript@next now.) – mindplay.dk Jun 22 '16 at 14:36 are...
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Installing specific package versions with pip

... answer to this question - thanks for your help. Hitting a different issue now: "error: command '/usr/bin/gcc-4.2' failed with exit status 1" while building '_mysql' extension. I know that I have GCC, and the install for MySQL_python 1.2.3 goes smoothly. Have others seen this issue, specifically wit...
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Bad class file magic or version

I already know that question has been already asked very often and answers, but no one of the answers i found fixed my problem. ...
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Installing SciPy and NumPy using pip

...ns you linked in Installing SciPy have been removed, might be linking here now scipy.org/scipylib/building/windows.html – jxramos Aug 11 '15 at 20:52 30 ...
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How to dismiss keyboard iOS programmatically when pressing return

...ller.h add: @property (nonatomic) UITapGestureRecognizer *tapRecognizer; Now in the .m file, add this to your ViewDidLoad function: - (void)viewDidLoad { [super viewDidLoad]; //Keyboard stuff tapRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(handleS...
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ASP.NET MVC How to convert ModelState errors to json

... There are lots of different ways to do this that all work. Here is now I do it... if (ModelState.IsValid) { return Json("Success"); } else { return Json(ModelState.Values.SelectMany(x => x.Errors)); } sh...
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java.net.UnknownHostException: Invalid hostname for server: local

... What the exception is really saying is that there is no known server with the name "local". My guess is that you're trying to connect to your local computer. Try with the hostname "localhost" instead, or perhaps 127.0.0.1 or ::1 (the last one is IPv6). From the javadocs: Throw...
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How do I move a file with Ruby?

...e cases you may want to restrict to the same partition, as I'm doing right now to ensure an atomic operation. – Zorg Dec 4 '16 at 16:32  |  sh...
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How to get value of selected radio button?

... For you people living on the edge: There is now something called a RadioNodeList and accessing it's value property will return the value of the currently checked input. This will remove the necessity of first filtering out the 'checked' input as we see in many of the p...
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presentViewController and displaying navigation bar

...chy and the top-most controller is displayed as a modal and would like to know how to display the navigation bar when using ...