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5 Simple Steps to Find Slow Code Using Xcode Time Profiler
Xcode Time Profiler is a powerful performance analysis tool provided by Apple. It is specifically designed to help developers optimize the performance of their iOS, macOS, watchOS, and tvOS...
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Adding Swift Code as Custom LLDB Command
If I ask which LLDB command you used the most? I am sure most iOS developers will answer po. But did you know that you can actually define your own custom LLDB command using purely Swift code? In this...
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5 Must-Know Xcode Shortcuts for Unit Testing
Writing unit tests is a major part of the app development lifecycle. Xcode has some pretty useful built-in unit testing shortcuts, however, a lot of developers are not aware of their existence. In...
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How to Send Silent Push Notifications
✅ Tested working on iOS 14 device. A silent push notification or some might call it background notification is a notification that does not trigger any alert or sound. It wakes up your app and allows...
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How to Implement a Swift HTTP Request Helper Without a Working Server
HTTP request helper is one of the most essential parts of most modern-day apps. It takes care of all the processing work before and after calling a remote API. Ideally, the implementation of HTTP...
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Test Doubles in Swift: Dummy, Fake, Stub, Mock
When doing unit testing, it is a common practice to replace an actual object with a simplified version in order to reduce code dependencies. We call this kind of simplified object a Test Double...
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