Writing
The public notebook: Swift, iOS, Flutter, and a long trail of “I will definitely remember this.”
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Why Swift?
With Swift 3 coming out of beta, some are still asking the question ‘Why Swift?’ Maybe you’re already an Objective-C developer – why learn a new language when the old one works…
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Any vs AnyObject vs NSObject in Swift 3
What is the difference between these three enigmatic types? A sometimes confusing topic, and to confuse things further Swift 3 has shaken it up by removing implicit bridging between Foundation and native…
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Parsing XML in Swift 3
Parsing XML has always bothered me in Swift. The NSXMLParser class doesn’t actually parse the XML structure into Swift objects, rather it traverses the XML structure, pinging its delegate whenever it discovers…
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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…