A weekly Swift Blog on Xcode and iOS Development

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JSON Parsing in Swift explained with code examples

JSON parsing in Swift is a common thing to do. Almost every app decodes JSON to show data in a …
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/ Swift

Ranges in Swift explained with code examples

Ranges in Swift allow us to select parts of Strings, collections, and other types. They’re the Swift variant of NSRange …
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/ Swift

EXC_BAD_ACCESS crash error: Understanding and solving it

Building apps all goes well in the beginning. You’re developing an app from scratch, it’s stable, and runs perfectly fine …
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/ Swift

Learn more about Swift

JSON Parsing in Swift explained with code examples

JSON parsing in Swift is a common thing to do. Almost every app decodes JSON to show data in a ...
Read More
/ Swift

Ranges in Swift explained with code examples

Ranges in Swift allow us to select parts of Strings, collections, and other types. They’re the Swift variant of NSRange ...
Read More
/ Swift

EXC_BAD_ACCESS crash error: Understanding and solving it

Building apps all goes well in the beginning. You’re developing an app from scratch, it’s stable, and runs perfectly fine ...
Read More
/ Swift

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Explore & improve: a collection of iOS, Xcode, and Swift Tips & Tricks

Optimize yourself and improve

4 Tips to make it easier to fix crashes and bugs

Each app comes with performance issues, crashes, and bugs to fix. Although we try our very best we will always ...
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/ OptimizationWorkflow

Unused images and resources clean up in Xcode

Unused images can exist as a result of iterations in a project. Once a feature is no longer needed and ...
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/ OptimizationXcode

Developer productivity boost with Google Search Tips & Tricks

Developer productivity is important to deliver your project on time. There’s a lot you can do as I already described ...
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/ Optimization

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Get better at debugging

No space left on device: Testing low storage scenarios

No space left on device is an error message that starts to show up more lately. Over the years, storage ...
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/ Debugging

5 Xcode breakpoints tips you might not yet know

Xcode breakpoints allow us to debug and find out solutions for nasty bugs. Without breakpoints, it would be a fun ...
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/ DebuggingXcode

Xcode Instruments usage to improve app performance

Xcode Instruments is a developer tool that comes for free with Xcode. It has a lot of useful tools to ...
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/ DebuggingXcode

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Improve your workflow

4 Tips to make it easier to fix crashes and bugs

Each app comes with performance issues, crashes, and bugs to fix. Although we try our very best we will always ...
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/ OptimizationWorkflow

Mastering the assistant editor in Xcode 11

Xcode 11 was introduced during WWDC 2019 and contained improvements in the way the assistant editor works. If you’re using ...
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/ WorkflowXcode

Picking your minimum iOS version to support

When a new iOS version arrives it’s oftentimes a moment to reflect on the supported iOS versions and see to ...
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/ Workflow

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Be an expert on Xcode

Thread Sanitizer explained: Data Races in Swift

The Thread Sanitizer, also known as TSan, is an LLVM based tool to audit threading issues in your Swift and ...
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/ SwiftXcode

Dark Mode: Adding support to your app in Swift

Dark Mode was introduced in iOS 13 and announced at WWDC 2019. It adds a darker theme to iOS and ...
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/ SwiftXcode

Mastering the assistant editor in Xcode 11

Xcode 11 was introduced during WWDC 2019 and contained improvements in the way the assistant editor works. If you’re using ...
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/ WorkflowXcode

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Media & Talks

Contact me if you like to invite me to give a talk. Make sure to visit my presentations page for more media and talks.