How can I delete a row from UITableView? In iOS app, user normally swipes across a row to initiate the delete button. Recalled that we have adopted the UITableViewDataSource…
Category: Swift
Swift 3 – Structs !
Structs are complex data types, meaning that they are made up of multiple values. You then create an instance of the struct and fill in its values, then you can…
what is Swift Enumeration !
An enumeration is a user-defined data type which consists of set of related values. Keyword enum is used to defined enumerated data type. Enumeration in swift also resembles the structure…
List of cocoa permission keys for IOS,Mac OS,Tv OS,Watch OS !
Cocoa and Cocoa Touch are the environments used to define apps that run in macOS, iOS, tvOS, and watchOS. The keys associated with the Cocoa environments provide support for Interface…
Tips to Become a Swift Developer
So, you’ve been around with Swift for a couple of months. Now, you want to become a better Swift Developer? Improve the Readability of Constants
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import Foundation struct Constants { struct FoursquareApi { static let BaseUrl = "https://api.foursquare.com/v2/" } struct TwitterApi { static let BaseUrl = "https://api.twitter.com/1.1/" } struct Configuration { static let UseWorkaround = true } } |
we could use Constants.FoursquareApi.BaseUrl…
How to create login screen with alert view Controller using UIAlertController in SWIFT
How to create login screen with alert view Controller using UIAlertController in SWIFT Alert views can also be used with text field. You can use it to quickly get some…
Swift Programming Language Interview Questions And Answers-2
Swift Programming Language Interview Questions And Answers – Explain what is Swift Programming Language? Swift is a programming language creating applications for iOS and OS X. It is an innovative…
Manually Adding a Swift Bridging Header !
Does Xcode automatically create one for me? Yes. Add a new Swift file to your Xcode project. Name it as you please and you should get an alert box asking…
Migrate from Swift 2.3 to Swift 3 and xCode 8 !
Upgrade to Xcode 8 without migrating to swift 3 ! We’re well into the betas of Xcode 8 which will contain the final release of Swift 3, hopefully set for…
Swift Technical Interview Questions and Answers !
Question #1 – Swift 1.0 or later What’s a better way to write this for loop with ranges?
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for var i = 0; i < 5; i++ { print("Hello!") } |
Answer:
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for _ in 0...4 { print("Hello!") } |
Question #2 – Swift 1.0 or later
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struct Tutorial { var difficulty: Int = 1 } var tutorial1 = Tutorial() var tutorial2 = tutorial1 tutorial2.difficulty = 2 |
What’s…