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Detecting when the 'back' button is pressed on a navbar
...UIViewController.parent
Detecting the back button is better done when the VC is removed from it's parent (the NavigationController) with the help of willMoveToParentViewController(_:) OR didMoveToParentViewController()
If parent is nil, the view controller is being popped off the navigation stack ...
How to create local notifications?
...efault, give that notification weekly, should I just add it to the initial VC's viewDidLoad?
– Dave G
Feb 24 '16 at 1:08
1
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Android - SPAN_EXCLUSIVE_EXCLUSIVE spans cannot have a zero length
... Wow I had 68 MB of stuff cached by that app. :O
– XåpplI'-I0llwlg'I -
Apr 22 '14 at 10:42
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What is the purpose of willSet and didSet in Swift?
...ainer
//Underlying instance variable (would ideally be private)
var _childVC : UIViewController? {
willSet {
//REMOVE OLD VC
println("Property will set")
if (_childVC != nil) {
_childVC!.willMoveToParentViewController(nil)
self.setOverrideTraitCol...
How to change Rails 3 server default port in develoment?
...n.rb, guarded with an if defined?(Rails::Server).
– XåpplI'-I0llwlg'I -
Aug 5 '15 at 10:13
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How do I get Pyflakes to ignore a statement?
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Is this documented anywhere?
– Håken Lid
Apr 30 '19 at 11:12
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SQL-Server: Error - Exclusive access could not be obtained because the database is in use
...ess and old db was left in SINGLE_USER mode.
– Smörgåsbord
Dec 21 '16 at 18:50
3
this worked fo...
How does one write code that best utilizes the CPU cache to improve performance?
...pr 18 '09 at 12:56
Tomi KyöstiläTomi Kyöstilä
1,20599 silver badges1313 bronze badges
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What are inline namespaces for?
...NS to work, there has to be a corresponding Q_NAMESPACE in the same file⁽¹⁾. And there can only be one, or you get duplicate definition errors. This, effectively, means that all of your enumerations have to be in the same header. Yuck.
Or... you can use inline namespaces. Hiding enumerations i...
Empty set literal?
... for the empty set? Or for sets in general?
– Johan Råde
May 25 '11 at 20:23
15
There are set li...