FairPlay 1 min read

FairPlay Streaming Error Codes

When working with FairPlay Streaming (FPS), we may encounter errors with random error codes that lack proper documentation or explanation. An example of such an error is: Error

Nginx 2 min read

Install/Update Nginx to the latest stable version on Ubuntu

If you're using nginx on Ubuntu, you'll quickly discover that the default Ubuntu version bundled with the operating system is quite outdated. This implies

Debug 3 min read

Debug Google Analytics 4 / Firebase Analytics using Charles Proxy for Mobile Apps

Debugging Google Analytics 4 (GA4) or Firebase Analytics using Charles Proxy involves intercepting and inspecting the network requests made by the app. The following is a guide on

Apple 1 min read

Apple Fairplay Streaming Overview

Apple's FairPlay Streaming (FPS) is a DRM (Digital Right Management) technology used to securely deliver streaming media content to devices. It works with the HTTP Live

Swift 2 min read

How to measure function execution time in Swift?

Runtime code execution duration monitoring is crucial. Swift provides ContinuousClock to measures the time that always increments. The ContinuousClock acts like a stopwatch, measuring time relative to when

SwiftUI 1 min read

How to clear/reset SwiftUI Preview Caches?

If you run into any SwiftUI Preview related issue, then there are high chance that you are facing that issue due to some cached preview data. Here are

Xcode15 1 min read

Fix Xcode 15 DT_TOOLCHAIN_DIR cannot be used to evaluate LIBRARY_SEARCH_PATHS, use TOOLCHAIN_DIR instead

In Xcode 15 Apple changed the variable which points to the default toolchain location to $TOOLCHAIN_DIR from $DT_TOOLCHAIN_DIR. If some project/target used $DT_TOOLCHAIN_

Swift 1 min read

Execute async/await method from Swift Command Line (CLI) Application

Call an async/await function (with or without throws) from the Swift Command Line Application using the spacial @main attribute to prevent the CLI application from exiting before the asynchronous operation completes.

WireGuard 2 min read

How to set up WireGuard Client on Debian?

WireGuard is an extremely simple yet fast and modern VPN. Setting up the WireGuard VPN client on Debian is straightforward. In this tutorial, we will set up WireGuard

SwiftUI 2 min read

SwiftUI focusSection - UIFocusGuide Alternative for SwiftUI?

Use the focusSection view modifier in SwiftUI as an alternative to the UIFocusGuide in UIKit to focus diagonally in tvOS apps by creating larger logical focus targets.

SwiftUI 2 min read

How to Create Custom Environment Values in SwiftUI?

Create custom environment key values in SwiftUI using EnvironmentKey protocol and EnvironmentValues extension. The Environment property wrapper can read custom environment key values.

WireGuard 2 min read

How to set up WireGuard Client on Ubuntu?

Install WireGuard Client on Ubuntu and import WireGuard VPN config file to connect with WireGuard VPN Server. Manage Ubuntu WireGuard Client using network manager CLI and GUI tool.

SwiftUI 2 min read

Implement Push Notifications in SwiftUI Application

Add AppDelegate class with push notification callback functions to the SwiftUI app and link it with the SwiftUI app using the UIApplicationDelegateAdaptor property wrapper.

iOS 3 min read

Test Development/Production Push Notification using Apple Push Notification Console

Apple announced the new Push Notification Console for testing the Development and Production push notification. The new Push Notifications Console makes it easy to send test notifications to

SwiftUI 1 min read

Add AppDelegate to SwiftUI app

When we create a new SwiftUI project in Xcode then it doesn't include the AppDelegate which we might need for different functionality like push notifications. The