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Get User's Current Location / Coordinates

...tion() show it to the user: mapView.showsUserLocation = true This is my complete code: import UIKit import MapKit import CoreLocation class ViewController: UIViewController, CLLocationManagerDelegate { @IBOutlet weak var mapView: MKMapView! var locationManager = CLLocationManager()...
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How do I sort a vector of pairs based on the second element of the pair?

...write thanks to lambdas that can now have parameters of type auto. This is my current favorite solution std::sort(v.begin(), v.end(), [](auto &left, auto &right) { return left.second < right.second; }); Just use a custom comparator (it's an optional 3rd argument to std::sort) st...
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How to “return an object” in C++?

... @Charles, upon checking it appears to be correct! I withdraw my clearly misinformed statement. – Alex B Jul 28 '10 at 7:48  |  s...
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Solutions for distributing HTML5 applications as desktop applications? [closed]

... My experiences with Titanium have been terrible - it looks great on the outside but is stuffed with bugs and becomes hell to use very quickly. I cannot recommend it. – Damian Feb 23 '12...
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How to determine when Fragment becomes visible in ViewPager

...following by overriding setUserVisibleHint in your Fragment: public class MyFragment extends Fragment { @Override public void setUserVisibleHint(boolean isVisibleToUser) { super.setUserVisibleHint(isVisibleToUser); if (isVisibleToUser) { } else { } ...
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GMSGroundOverlay animating - should I be using a CATiledLayer?

...her using CAAnimationGroup and animate them together to form a circle. In my equation I vary the length of the radius on each axis so that I can also generate an oval path. NSMutableArray *latitudes = [NSMutableArray arrayWithCapacity:21]; NSMutableArray *longitudes = [NSMutableArray arrayWith...
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How to implement __iter__(self) for a container object (Python)

...mple is: >>> from collections import Iterator >>> class MyContainer(Iterator): ... def __init__(self, *data): ... self.data = list(data) ... def next(self): ... if not self.data: ... raise StopIteration ... return self.data.pop() ... ...
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Most efficient way to cast List to List

...'t be a problem since casting a SubClass to a BaseClass is a snap, but my compiler complains that the cast is impossible. ...
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How to get current time and date in Android

...eware, SimpleDateFormat can be problematic if performance is an issue. In my app I had a custom view that had about 20 HH:MM labels that represented specific times (long integers holding milliseconds), and an equal number of drawable resources. Initial testing showed the interaction was not as flu...
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How can I close a Twitter Bootstrap popover with a click from anywhere (else) on the page?

... Adding data-trigger="focus" stopped my popovers from launching until I read this post and added the tabindex attribute. Now it works! – PixelGraph Jun 5 '15 at 16:39 ...