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Apple Push Notification service server certificate update – Latest News – Apple Developer

The Certification Authority (CA) for Apple Push Notification service (APNs) is changing. APNs will update the server certificates in sandbox on January 20, 2025, and in production on February 24, 2025. All developers using APNs will need to update their application’s Trust Store to include the new server certificate: SHA-2 Root : USERTrust RSA Certification Authority certificate. To ensure […]

Announcing the Swift Student Challenge 2025 – Latest News – Apple Developer

We’re thrilled to announce the Swift Student Challenge 2025. The Challenge provides the next generation of student developers the opportunity to showcase their creativity and coding skills by building app playgrounds with Swift. Applications for the next Challenge will open in February 2025 for three weeks. We’ll select 350 Swift Student Challenge winners whose submissions demonstrate excellence […]

Sorting arrays in Swift: multi-criteria

Swift’s foundation library provides a sorted(by:) function for sorting arrays. The areInIncreasingOrder closure needs to return true if the closure’s arguments are increasing, false otherwise. How to use the closure for sorting by multiple criteria? Let’s take a look at an example of sorting an array of Player structs. Sort by score in descending order […]