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MySQL Select minimum/maximum among two (or more) given values
...AS `date0`,LEAST(A.date0, B.date0) AS `date1`
FROM A
JOIN B
ON A.id = B.role;
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HttpClient.GetAsync(…) never returns when using await/async
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edited Feb 21 at 21:43
Callum Watkins
2,22222 gold badges2323 silver badges4040 bronze badges
answered Apr 27 '12 at 13:20
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How do I profile memory usage in Python?
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This one has been answered already here: Python memory profiler
Basically you do something like that (cited from Guppy-PE):
>>> from guppy import hpy; h=hpy()
>>> h.heap()
Partition of a set of 48477 objects. Total size = 3265516 bytes.
Index Count % Size % Cumula...
How do I determine scrollHeight?
...script property so you don't need jQuery.
var test = document.getElementById("foo").scrollHeight;
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Classes residing in App_Code is not accessible
...here with PUBLIC classes should be exposed throughout the solution automatically!?
– Fandango68
Sep 20 '17 at 3:01
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How can I use Timer (formerly NSTimer) in Swift?
...o do an action multiple times, as seen in the following example. The timer calls a method to update a label every half second.
Here is the code for that:
import UIKit
class ViewController: UIViewController {
var counter = 0
var timer = Timer()
@IBOutlet weak var label: UILabel!
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Attach parameter to button.addTarget action in Swift
... self.params = [:]
super.init(coder: aDecoder)
}
}
then your call may be call (NOTE THE colon ":" in Selector(("webButtonTouched:")))
let webButton = PassableUIButton(frame: CGRect(x:310, y:40, width:40, height:40))
webButton.setTitle("Visit",for: .normal)
webButton.addTarget(self, ac...
What are the reasons why Map.get(Object key) is not (fully) generic
...method is possible to have a Map<ArrayList, Something> and for me to call get() with a LinkedList as argument, and it should retrieve the key which is a list with the same contents. This would not be possible if get() were generic and restricted its argument type.
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Memoization in Haskell?
...ction (fix)
Let's define f, but make it use 'open recursion' rather than call itself directly.
f :: (Int -> Int) -> Int -> Int
f mf 0 = 0
f mf n = max n $ mf (n `div` 2) +
mf (n `div` 3) +
mf (n `div` 4)
You can get an unmemoized f by using fix f
Thi...
Is key-value observation (KVO) available in Swift?
...ut of scope, the observer is removed for us) nor do we have to worry about calling the super implementation if the key doesn't match. The closure is called only when this particular observer is invoked. For more information, see WWDC 2017 video, What's New in Foundation.
In Swift 3, to observe this...