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 data types. Aagh! Let’s look at the current…
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 something new, like an XML element or attribute,…
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 whole lot more lurking under the surface! Let’s start…
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 this book skips over all the basics, and skips…
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. 2. Listen to a relevant keyboard notification (possibly…
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 here. You probably know Swift is a type-safe…
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 name, and the first parameter is no different…
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 the backend hosted by mongodb (database hosting service). Definitely was not…
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 the same now, hooray! 1. Explicit parameter names…
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 ongoing quest to banish the semi-colon from the…
Before I forget... 
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