elite hacks

Xcode Organizer: Your Performance Cheat Sheet

Instruments, but crowdsourced

Jan 20 • Jacob Bartlett

10 techniques to pass 90% of algorithmic interviews

Learnings from my long-overdue LeetCode grind

Jan 6 • Jacob Bartlett

Ancient Secrets of the Objective-C Runtime

Applied ObjC for modern Swift apps

Dec 9, 2025 • Jacob Bartlett

Inside Meta’s “iOS System Design” Interview

Double your salary on the inside track

Nov 25, 2025 • 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

How are Actors Implemented in Swift?

They aren't magic, just bloody complicated

Sep 30, 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

Performance Analytics

Actionable steps for crowd-sourcing your performance profiles

Aug 5, 2025 • Jacob Bartlett

How to Learn the Swift Source Code

Become an expert at Swift Internals 🛠️

Jul 22, 2025 • Jacob Bartlett

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