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UIApplication's sendAction() works even if target(forAction:…) is nil...

NSWindow loses first responder after dismissing NSPopover...

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iPad keyboard will not dismiss if modal ViewController presentation style is UIModalPresentationForm...

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NSCollectionView won't accept key events...

How to send action from NSToolbar item to First Responder of TabViews...

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iOS unit test: How to set/update/examine firstResponder?...

How to access searchBar's clear text button?...

change first responders in uitableviewcell textfield...

The keyboard for the UITextField does not appear on first tap in Swift...

UIKeyboardDidShow triggers too often?...

Change UITextField background when editing begins...

Keyboard does not disappear after viewDidDisappear...

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UIMenuController disappears when the screen is clicked somewhere other than the menu...

Problems setting FirstResponder in Cocoa Mac OSX...

First responder/focus after dismissing popover...

Pan gesture on UISearchBar while first responder...

didSelectCellAtIndexPath not called...

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Change table when search bar becomes first responder - swift...

UITextField in UITableView not becoming first responder...

UITextField losing firstResponder after view appears...

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UITextView inside a UITableViewCell, how to resign textview's firstResponder when tableView scro...