dispatch_swift

Generic Protocols in Swift

A protocol in Swift is generic when it does not enforce types in (some or all of) its variables and functions, on types that conform to it. Different conforming types can then implement the protocol in ways that’re relevant or convenient for them.

Arvindh Sukumar4 days ago2 min read

Render a Map as an Image using MapKit

The MapKit framework allows you to create and embed maps in your app. But sometimes, embedding an entire map may be overkill — like if you want display multiple coordinates, as a list of maps in a UITableView. Or if you want the map to be non-interactive.

1 response

Arvindh Sukumar5 days ago2 min read

Advantages & Disadvantages of Structs in Swift

When designing the models and data structure for your app, you would probably be deciding between Structs and Classes.

If you’re coming from a different programming language, it’s easy to settle into a pattern of using…

Arvindh SukumarApr 72 min read

Synchronise Multiple Async Tasks With Dispatch Groups

dispatch_group is a part of Apple’s Grand Central Dispatch (GCD) set of APIs that allows you to coalesce and synchronise the results of multiple asynchronous functions into a single point of execution.

Arvindh SukumarMar 301 min read

Running RunLoop-Based Async Code in Swift Playgrounds

By default, Swift Playgrounds do not execute (asynchronous) code that depends on the RunLoop for callbacks or completion.

This includes, for example , NSURLConnection/Session requests, and NSTimer actions.

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Dispatch Swift

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