Klaas

Klaas has asked 14 questions and find answers to 48 problems.

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Writing code since 1986 on C64, Amiga and Mac.

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Klaas questions

Is it allowed to 'change'/abuse/override the signature of a block in Objective C as follows?
Is there an easy way to find all dependencies of a framework?
How can I test if an instance is a specific class or type in Swift?
Where do we find the "Restrospector" tool mention in WWDC 2012 Session 208?
What's the meaning of the Asterisk (*) in the output of [[UIWindow keyWindow] _autolayoutTrace]]
Is there a cellular data usage API in iOS 7?
How do I insert an element at the correct position into a sorted array in Swift?
How to satisfy a protocol which includes an initializer?
Appearance proxies / UI_APPEARANCE_SELECTOR in Swift?
How do I create a Delete-Line Keyboard shortcut in Xcode 8? The Xcode 3 solutions do not work anymore

Klaas answers

iOS: what's the fastest, most performant way to make a screenshot programmatically?
Pretty Print Distances for iOS
MPMediaItem changing properties
Is it possible in Swift to add variables to an object at runtime?
How can I find out if an SKTexture is the placeholder image
iOS: error when sending application-specific file to Dropbox using UIDocumentInteractionController
iphone keyboard without textview
heightForHeaderInSection not getting called?
Swift 1.2 cannot invoke 'count' with an argument list of type '(String)'
How can CloudKit environment be determined at runtime?