In this article, we’ll see how to provide an ability to inject a framework’s data structure into the framework’s classes, while at the same time keeping its internals hidden.

Learn how to measure the performance of a piece of code in Swift. Get insights which methods give the correct results for your performing Swift code.

Speed up your workflow with essential shortcuts in Xcode which are less known than the basics, combine them with the Assistant editor and more!

In this article you will learn how to implement collection view that has sticky rows and columns, and supports both vertical and horizontal scrolling using Swift.

PromiseKit is a framework that will simplify working with async code and make your code very elegant and simple to follow. Learn how to use it in this post.

A DSL, short for Domain Specific Language, can be explained as a special kind of API that focuses on providing a simple syntax that's tailored to working within a specific domain. Swift's type inference and overloading capabilities also make it a really great…

Protocols continue to be an integral part of Swift, both in terms of how the language itself is designed, and also in how the standard library is structured. This week, let's take a look at how we can use protocols to create multiple levels of abstraction…

There is a simple trick to show your app loading time included dylib loading time, rebase/binding time, ObjC setup time, initializer time, …



Here how to setup:

1: Edit scheme



2: Add new Environment Variables with DYLD_PRINT_STATISTICS



3: Run and…

Explore the extensibility capabilities of LLDB, a debugger for Swift, C, C++, and Objective-C code.

The benefits of using clang-tidy and how to get started setting it up in Jenkins.

App download size is important. The larger your app’s download size, the less users will download it. Plus, if it goes past 150 MB, then…

What things do you configure based on different environments? You might have views that are only for debugging, or you might want to turn off logging for release builds. You probably have multiple …

Improve iOS app usability and accessibility by responding to the user's preferred content size category with dynamic type.

Few data structures are as ubiquitous as the stack. They are easy to understand and implement but there is power in their simplicity. The…

One powerful, yet sometimes rightfully feared programming technique is recursion. Many do not even use it, some don’t know what it is, but when working with hierarchies, you really have to us…

Learn how to use custom operators in Swift. What are the benefits and which other solutions are better compared to a custom operator for best readability.

Every Swift program undergoes a number of transformations before it can be run on a real device. This process is usually handled by an Xcode Build System. In this article we'll take a look at each part of Xcode Build System: Swift compiler, linker, preprocessor…

Big O notation is a tool we use to estimate how long a program or an algorithm will run. In this article you'll learn more about it.

Quick is a behaviour driven development framework that will make your unit tests a lot more readable. Let's write some unit tests with Quick.

Swift keeps gaining more and more features that are more dynamic in nature, while still retaining its focus on type safe code. This week, let’s take a look at how key paths in Swift work, and some of the cool and powerful things they can let us do.