creator profile · 135 approved skills · page 4 of 14
charleswiltgen publishes 135 approved skills on explainx.ai. This page loads 10 skills at a time. Current page is led by axiom-synchronization.
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Low-level synchronization primitives for when actors are too slow or heavyweight.
Use when:
AXe is a CLI tool for interacting with iOS Simulators using Apple's Accessibility APIs and HID functionality. Single binary, no daemon required.
Network.framework is Apple's modern networking API that replaces Berkeley sockets, providing smart connection establishment, user-space networking, built-in TLS support, and seaml…
Block retain cycles are the #1 cause of Objective-C memory leaks. When a block captures self and is stored on that same object (directly or indirectly through an operation/request…
Systematic diagnosis and resolution of app hangs. A hang occurs when the main thread is blocked for more than 1 second, making the app unresponsive to user input.
Core Data issues manifest as production crashes from schema mismatches, mysterious concurrency errors, performance degradation under load, and data corruption from unsafe migratio…
Porting OpenGL/OpenGL ES or DirectX code to Metal on Apple platforms.
Systematic Xcode build performance analysis and optimization. Core principle: Measure before optimizing, then optimize the critical path first.
Core principle 90% of file storage problems stem from choosing the wrong storage location, misunderstanding file protection levels, or missing backup exclusions—not iOS file syste…
