8 min read
Effect of Swift Extension and Libraries On Build Time
Does separating code into extra extensions and/or modules have a meaningful impact on compile times?
Swift
17 posts on this topic.
1 min read
JSON Encoder Change in Swift 5.1
While updating my app for the iOS 13 SDK, I came across a change in JSONEncoder that broke some of the logic in my code. It now supports encoding top-level values.
1 min read
Swift Quiz – Boolean Expression
What is the value of result after doing: let result = false && true || true
2 min read
Careful with Fancy KVO Callback
Be warned: there may be a bug in the fancier version of Key Value Observering. I discovered it while implementing a progress callback in my Decree web request library.
4 min read
Singletons and Shared Instances in Swift
A couple very common programming patterns, especially in the Apple world, are Singleton and Shared Instance. People often confuse the two and there's also controversy around them. Let's clear these things up.
8 min read
Keyboard Field Prompt
I walk through how I solved the question: How do I display a text field directly above the keyboard to prompt the user for some text?
2 min read
Decree – A Declarative URL Request Framework
Decree allows you to make HTTP requests in a clear and type-safe way by declaring web services and endpoints. It supports all Apple platforms as well as Linux. It is the culmination of a technique I've developed over many projects. Some of those projects even include both a frontend and backend implemented in Swift that get to share a single source of endpoint declarations.
18 min read
Deploying Server-Side Swift
There are many ways you could choose to host a Swift website or web service, but here I share what has worked well for me.
18 min read
Deploying Server-Side Swift
There are many ways you could choose to host a Swift website or web service, but here I share what has worked well for me.
11 min read
5 Core Swift Competencies Before You Get a Job
A list of skills, beyond just the ability to get the job done, every Swift developer should know before they get paid to develop.
1 min read
Practical Use for Curried Functions in Swift
An practical example of how curried functions in Swift can be useful for implementing a logger
8 min read
Swift KVO Substitute: Observable Variables
My attempt to implement a KVO replacement purely in Swift
5 min read
Getting Started With Swift
A list of key concepts to know when getting started with Swift and links to resources to stay current with its development.
3 min read
Uses for Implicitly Unwrapped Optionals in Swift
A list with concrete examples of when and when not to use Implicitly Unwrapped Optionals in Swift.
9 min read
7 Cool Features in Swift
Concrete examples for some cool and practical new features in Swift that will improve the daily lives of iOS and OS X programmers.
1 min read
Swift’s Weird Handling of Basic Value Types and AnyObject
Basic value types like String and Int can be secretly converted to Objective-C types like NSString and NSNumber. This has some interesting effects and implications.