Optimization

In less than a week we will know what WWDC 2020 has brought to us. Apple has been working hard like every year to deliver a new Xcode, OS versions, and possibly new products. It's like Christmas in the middle of the year if you're developing for any of Apple's ...

Each app comes with performance issues, crashes, and bugs to fix. Although we try our very best we will always end up with unforeseen issues. Even when your app runs smoothly on your device, all tests succeed and QA green lights your build. Therefore, we can all use some tips ...

Unused images can exist as a result of iterations in a project. Once a feature is no longer needed and remove, it's not always cleaned up completely. Therefore, it's useful to know how to clean up your Xcode assets. Just like in my blog post on cleaning up unused localized ...

Developer productivity is important to deliver your project on time. There's a lot you can do as I already described in my blog post: Speeding up development: a collection of tips but even more, if we dive into detail. In this blog post, I'll give you some of my tips ...

Speeding up development to increase productivity can bring you a lot. You'll work more efficient, deliver faster, and you'll feel better. Speeding up as an iOS developer was the talk title of my presentations I gave at Swift Heroes, GDG Coimbra, and CocoaHeads NL. To summarize my talk, an overview of one of ...

Danger plugins can help improve something we do every day: code reviews. Code reviews inside pull requests help you to keep the code quality high. However, it's often that a comment contains feedback which could have been automated. Some examples: Missing documentation You might want to use weak self here Avoid ...

Xcode behaviors can change the way how Xcode responds to certain events. Default behaviors help you already by showing for example the debug navigator when hitting a breakpoint, but they can speed you up a lot more. A list of behaviors which are not enabled by default. Starting point is ...

It's important in any type of programming language to know how to measure the performance of code as there are many different ways to write solutions and not every solution is as performant as the other. If a piece of code turns out to be slow in, for example, the ...

Functional programming is often done in Swift and so easy that it could easily hit performance. Iterating over large collections and performing actions like filter or map is common and should be used wisely. Performance is often decreasing when these methods are combined, like a filter followed by first. A ...

SwiftLint is a tool by Realm to enforce Swift style and conventions. It's proven to be adopted by a lot of developer with over 10.000 stars on Github. 149 Rules are available for you to use from which a lot are enabled by default. In this post, we're going over ...

Effective development can be achieved by learning more skills, but also by improving the daily routine for you as a developer. Creating consistency in your daily flow will bring efficiency and higher productivity. Close your mail app for example at 10 AM and see what it does. Do you really ...

App Store Optimization can help people discover your app on the App Store for iPhone and iPad. With some useful tips, you can easily optimize yours. During a WWDC App Store lab feedback session, I've gathered some really useful tips on our WeTransfer app. Title, subtitle and promotional text These ...