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Get User's Current Location / Coordinates
...hod you can get user's current location coordinates:
func locationManager(_ manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) {
guard let locValue: CLLocationCoordinate2D = manager.location?.coordinate else { return }
print("locations = \(locValue.latitude) \(locValue....
Get the distance between two geo points
...ction centered on the master point, so you can compute the cosine once for all comparisons).
For more info see: http://www.movable-type.co.uk/scripts/latlong.html
There is a nice reference implementation of the Haversine formula in several languages at: http://www.codecodex.com/wiki/Calculate_Dis...
Why is ArrayDeque better than LinkedList
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Also another small disadvantage (for real-time applications) is that on a push/add operation it takes a bit more when the internal array of the ArrayDeque is full, as it has to double its size and copy all the data.
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how to display full stored procedure code?
... pg_proc that's it! Whew I'm glad they saved a few bytes of space by not calling it pg_procedure...geez. :)
– darren
Aug 19 '10 at 19:36
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Downcasting in Java
Upcasting is allowed in Java, however downcasting gives a compile error.
11 Answers
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C# list.Orderby descending
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Sure:
var newList = list.OrderByDescending(x => x.Product.Name).ToList();
Doc: OrderByDescending(IEnumerable, Func).
In response to your comment:
var newList = list.OrderByDescending(x => x.Product.Name)
.ThenBy(x => x.Product.Price)
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Java Try Catch Finally blocks without Catch
I'm reviewing some new code. The program has a try and a finally block only. Since the catch block is excluded, how does the try block work if it encounters an exception or anything throwable? Does it just go directly to the finally block?
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Insert Data Into Temp Table with Query
I have an existing query that outputs current data, and I would like to insert it into a Temp table, but am having some issues doing so. Would anybody have some insight on how to do this?
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Cannot install Lxml on Mac os x 10.9
I want to install Lxml so I can then install Scrapy.
23 Answers
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Running script upon login mac [closed]
...sking passwords, running other automator workflows at login time, conditionally run applications at login time and so on...
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