Kostiantyn Koval

Kostiantyn Koval has asked 8 questions and find answers to 36 problems.

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About

I'm passionate iOS developer. I love Swift, programming, rock and making this word better!
An author of Swift High Performance book
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Kostiantyn Koval questions

Swift Array join EXC_BAD_ACCESS
React Native Sending Events to JavaScript in Swift
How to close WatchKit app
How do I show Placeholder Backgrounds in Xcode Interface Builder?
What is the correct behaviour of endIndex of array in Swift?
Purpose of Array "Join" function in Swift

Kostiantyn Koval answers

How to specify alpha version of a module in Package.swift?
Flash card app user performance with Google Analytics?
Cancel Post request in Afnetworking 2.0
Swift compiler error - While emitting SIL for 'tableView' at
iOS 7 CoreLocation: region monitoring fails on the first time after location services are authorised
Specify dependency branch or commit ID in Swift PM's Package.swift
Dynamic page-based Apple Watch app
Set UITextField placeholder color programmatically
Getting an iOS application's “~/Library” path reliably in Swift
store kit transaction error: "Cannot connect to iTunes Store" on ios 7 device