quick hacks

Forbidden iOS 👹

7 more things Apple doesn't want you to know

Sep 16 • Jacob Bartlett

Advanced Agentic Engineering

Techniques developed while running several parallel agents every day

Sep 2 • Jacob Bartlett

The Hardest Problems in Mobile Engineering.

10 reasons why your life sucks

Aug 11 • Jacob Bartlett

My Top 3 Design “Kisses” I Like to Add to Every App

Several somewhat sexy unrequited design flourishes

Jul 22 • Jacob Bartlett

UIKit for scroll performance!? Real engineers use Metal.

Actually hitting 120fps on a Photos app clone

Jun 23 • Jacob Bartlett

My Secret Plot to Kill SwiftUI

A playbook for returning to normalcy

Jun 1 • Jacob Bartlett

iOS System Design interviews in 2026

Practical prep advice based on three real-world interviews

Mar 3 • Jacob Bartlett

Swift Concurrency Training Kata

Master concurrency with 12 real-world challenges

Nov 11, 2025 • Jacob Bartlett

How do researchers reverse-engineer private frameworks?

Own the (private) libs today

Oct 28, 2025 • Jacob Bartlett

Total Control of Your Camera Using Pixel Buffer APIs

Come for the AVCaptureSession, stay for the Core ML & Metal

Oct 14, 2025 • Jacob Bartlett

Claude Code has made me 50-100% more productive

How to wield agentic coding agents

Sep 2, 2025 • Jacob Bartlett

Swift Concurrency's Biggest Unintuitive Gotchas

Context inheritance, cascading cancellation, interleaving, and Swift 6.2

Aug 19, 2025 • Jacob Bartlett

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