How PassMaker moved Apple Wallet pass PKCS#7 signing from Firebase Functions to Cloudflare Workers using Web Crypto with OpenSSL-compatible output.

OpenSSL-compatible PKCS#7 Signing on Cloudflare Workers

2024 - Year in Review

In this article, I’ll to share some advice and tour ideas for your next layover in Hong Kong

Layover in Hong Kong

In this article, I’ll to share my insights from taking the TOEFL exam three times

How I scored 106, 114, 116 on my TOEFL over 3 years

Securing OpenAI Text Completion API Requests with Firebase Cloud Functions as a Proxy

API Call times optimization in a data rich iOS app.

Learn how to use python to quickly shorten Apple Media links.

Shorten Apple Media Links with Python

DocumentScannerViewController: Discussion and Tutorial

UICalendarView Tutorial

Discussing UIHostingController, ObservableObjects, UIHostingConfiguration, and more

Using SwiftUI with UIKit in 2022

This is UpdateAvailableKit: a super easy way to check if the installed app has an update available.

Introducing UpdateAvailableKit

This is ReleaseNotesKit, a brand new, elegant, and extremely simple way to present the recent version’s release notes to your users. ReleaseNotesKit uses the iTunesSearchAPI to access information about the app. 

Introducing ReleaseNotesKit

In this article, I share with you how I use a safer version of UserDefaults in my SwiftLang projects.

Safer and cleaner UserDefaults and AppStorage

Sharing my experiences with using a Credit Card as a college student while working as a contractor.

Credit Cards 101

Leverage the UIViewControllerRepresentable in your SwiftUI application to create a font picker.

Creating a Custom Font Picker in and for SwiftUI

A brand new, completely rebuilt version of Sticker Cards

Sticker Cards 2

Learn how to leverage the power of ShazamKit in your SwiftUI applications.

Building a music recognition app in SwiftUI with ShazamKit

Generic code enables you to write flexible, reusable functions and types that can work with any type, subject to requirements that you define.

Introduction to Generics in Swift

A property wrapper helps you mark a clear distinction between the code that defines a property and the code that manages how that property is stored

Introduction to Property Wrappers in Swift

Looking back at an year that was exceptional in more ways than one

2020: My year in review.

Optionals are Swift Language traits that lets the programmer operate on a variable that may or may not have a value at a particular instance.

Optionals in Swift

WWDC 2020 brought many new UIControl APIs to iOS, iPadOS, and macOS. One of the best new additions is the system Color Picker

Color Picker in iOS

In this tutorial, we’ll learn how crazy simple it is to integrate MapViews using the MapKit framework, which is now native, in your SwiftUI Applications

SwiftUI MapView

At WWDC 2020 Apple announced a whole new set of interactions with the existing UIMenu and UIAction APIs

UIMenu and UIAction in iOS

Bidding goodbye to a space craft that showed humans more of our little part of the universe.

Farewell, Cassini

Why was StateObject introduced and does it still make sense to use Observed Object inside reactive iOS programming.

Swapnanil Dhol

iOS Platforms Engineering atDoorDash,Deliveroo,andWolt

Recent Posts

OpenSSL-compatible PKCS#7 Signing on Cloudflare Workers

2024 - Year in Review

Layover in Hong Kong

Recent Videos

Build a Music identification app with ShazamKit and SwiftUI

Using UIMenus and UIActions in iOS 14!

Unwrapping Optionals in Swift