Optimization

Engineering goals create focus and help you achieve the milestones of becoming a successful developer. You'll know better what you've accomplished in the past months, and make sure that you work on projects with the highest impact. Over the past years, goals helped me successfully release new versions of RocketSim ...

Binary Targets in Swift Package Manager (SPM) allow packages to declare xcframework bundles as available targets. The technique is often used to provide access to closed-source libraries and can improve CI performance by reducing time spent on fetching SPM repositories. Both downs and upsides are essential to consider when adding ...

Refactoring code is part of the journey toward building sustainable apps. Whether you're experienced or not: every developer refactors their code to improve its quality or readability. A refactor can be small enough to make you do it unconsciously, while bigger ones can become intimidating. I've been developing apps for ...

It's common to have a side project as an engineer since we can build our ideas. At the same time, it's also trending to start a new project before you've finished the previous one. You could say there's a graveyard of many side projects that didn't reach the public. While ...

An App Icon Generator generates all required app icon sizes based on a single-size icon input file. Creating and dragging all those app icons into Xcode is often tiresome since we've all asked ourselves: "Why can't Xcode just generate the sizes for us based on a single file?" Well, there's ...

SKStoreReviewController allows asking your users for App Store ratings from within the app. Positive ratings can help your app stand out in the App Store and attract more users. Conversions can increase when you ask the user for a rating at the right time. While implementing rating requests is easy, ...

Writing Swift articles is a great way to become a better engineer and is often seen as a required skill for Senior developers. By writing down your knowledge or learnings around a topic, you're creating your knowledge base, which you can revisit whenever you want. At the same time, you're ...

Non-fatal errors happen in every application that's developed and have a close relationship with fatal errors. Most of us know that both types of errors have an essential difference: fatal errors are not recoverable, while non-fatals are. In my 10+ years of development experience, I've seen many engineers ignoring non-fatal ...

Development effectiveness determines how fast and efficient you can work as an engineer. The more efficient you can make your daily flow of development, the better your results will be. If you know me, you know that I love automating repetitive tasks. I'm able to keep up with SwiftLee, my ...

Presentation tips can help you perform professional Swift talks by making sure you're well prepared and professional-looking. Last week, I gave a talk at SwiftLeeds, and I realized all my experience from 5 years of talks at multiple conferences and meetup talks was a bit lost. You might not know, ...

App Launch Time is the time it takes before your app becomes responsive after startup. As the first experience of your user it's important that it's smooth and as fast as possible. A slow startup time could mean losing a lot of users which can result in less usage in ...

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 ...