Xcode comes up with some cool tools that can be used to detect some crazy bugs that are hard to catch with manual or functional automated testing. The memory and threading related issues are hard to find unless they made the impact on the application. In…

Just like with most programming techniques, there are multiple

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How MVVM and VIPER can be good alternatives to the traditional MVC in iOS projects

In this article, I want to review the usage of Singleton and Service Locator patterns in iOS and the reasons why they are often called…

In this article, I look at constructing Cocoa views in code using a unique syntax that offers dynamic and constant options with no syntactic overhead, support for parameters inherited through the class hierarchy, support for large numbers of optional parameters…

A unified model for cooperative cancellation of asynchronous operations

How to take advantage of Xcode configurations and define your app's settings in an organized way

Follow these simple suggestions for quicker app store approvals.

What we learned growing Winnie’s network of parents from a small private beta to a booming national community.

Apple announced Xcode 9 along with Swift 4 during the Keynote and State of the Union last week in San Jose for WWDC 2017. One of the most…

Protocol oriented programming , like functional programming is an important concept in swift . I am learning protocols in swift and I am…

Separation of concerns is a core principle when it comes to designing architectures and systems that are easy to maintain. It's the idea that each object or type should only know enough about its surroundings to do its work, and no more. However, even though…

Swift doesn’t have a built-in type for fixed-size, stack-allocated arrays. The standard library uses code generation to work around this limitation for internal use.

Using Swift arrays to only hold weak references

by Maxim Vasilevsky

And how it will improve your unit tests’ mock data

Swift 4 brought a lot of cool things like the Codable protocol. It made parsing JSON easier and painless. But some things that were simple…

This week I got a challenge from my friend Mateusz Maćkowiak to solve an issue in a diff function he created. Given two arrays, his goal…