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Calculating distance between two points, using latitude longitude?

...ween two points. /** * Calculate distance between two points in latitude and longitude taking * into account height difference. If you are not interested in height * difference pass 0.0. Uses Haversine method as its base. * * lat1, lon1 Start point lat2, lon2 End point el1 Start altitude in m...
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Control the dashed border stroke length and distance between strokes

Is it possible to control the length and distance between dashed border strokes in CSS? 8 Answers ...
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jQuery: how to get which button was clicked upon form submission?

...ubmit from the form submit event? I ended up coming up with this solution and it worked pretty well: $(document).ready(function() { $("form").submit(function() { var val = $("input[type=submit][clicked=true]").val(); // DO WORK }); $("form input[type=submit]").click(fu...
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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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Changing CSS Values with Javascript

...sy to set inline CSS values with javascript. If I want to change the width and I have html like this: 9 Answers ...
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What are “decorators” and how are they used?

...on online for decorators save for a blurb in the AngularJS documentation and a brief (albeit interesting) mention in a youtube video . ...
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Synchronously waiting for an async operation, and why does Wait() freeze the program here

...ing on a thread pool thread, it doesn't try to come back to the UI thread, and everything therefore works. Alternatively, you could call StartAsTask().ConfigureAwait(false) before awaiting the inner operation to make it come back to the thread pool rather than the UI thread, avoiding the deadlock e...
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How can I get the font size and font name of a UILabel?

I have a UILabel which I set a font size and a font name with Interface Builder. Now I have to read the values of both in my ViewController. ...
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Recursively counting files in a Linux directory

...IR_NAME -type f | wc -l Explanation: -type f to include only files. | (and not ¦) redirects find command's standard output to wc command's standard input. wc (short for word count) counts newlines, words and bytes on its input (docs). -l to count just newlines. Notes: Replace DIR_NAME with...
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What does Ruby have that Python doesn't, and vice versa?

There is a lot of discussions of Python vs Ruby, and I all find them completely unhelpful, because they all turn around why feature X sucks in language Y, or that claim language Y doesn't have X, although in fact it does. I also know exactly why I prefer Python, but that's also subjective, and would...