Writing
The public notebook: Swift, iOS, Flutter, and a long trail of “I will definitely remember this.”
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Sorting strings in Swift
Sorting an array of strings in Swift is a bit of an iceberg topic – it seems fairly manageable, you just call the sort function right? Then you dig a little deeper and find a…
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My book: iOS Development with Swift – Early access Deal of the Day!
I’m pleased to announce that I am half way through writing a book on iOS development with Swift, to be published by Manning Publications. The great news if you have experience in programming is that…
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Keyboards, text views and first responders
If you’re moving your app’s interface from under the keyboard when it appears, you’re probably doing the following: 1. Get a reference to the relevant text field in the UITextFieldDelegate‘s textFieldDidBeginEditing method.…
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Any vs AnyObject vs NSObject
What is the difference between these three enigmatic types? A sometimes confusing topic, let’s get it straight. UPDATE: Things have changed in Swift 3! This post has been updated for Swift 3…
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Parameter defaults and Optional Function Parameters in Swift 3.0
There are more changes in Swift 3.0 to Optional Function parameters, so I thought I should revisit this blog post. Functions no longer include the name of the first parameter in the function…
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Sending push notifications using Parse Server
Finally – phew! I have migrated Grabble Words from Parse to using Parse server using herokuapp (a platform as a service (PaaS) which you can use to run applications in the cloud.) with…
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Func parameters in Swift 3.0
Well, Apple’s done it again, and made func parameters even simpler in Swift 3.0! It’s all very straight forward now, class methods, static methods, global functions, init methods – they all work…
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Farewell c-style `for` statement
In Swift 3.0, the c-style for statement is deprecated. A bold step to remove a structure that most of us are familiar with to make the language more robust, and to continue the…
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Farewell parameter var
In Swift 3.0, the var keyword in function parameters is being removed. Apparently there was too much confusion of var parameters with the functionality of inout parameters. For more information, see the Swift…
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Create a CocoaPod
In the previous post we created a dynamic framework. Now we’re going to share this code with the world, by turning it into a CocoaPod and uploading it to cocoapods.org: First, drag your whole project folder to…