MarkWPiper questions

MarkWPiper answers

• Invariant Violation: no callback found with cbID for module<unknown>
• remove the need for main_app prefix in path helpers in main app
• 9patch AAPT: error: file failed to compile
• Reloading rails middleware without restarting the server in development
• Mocks broken after updating to Jest 26
• How to be notified when a UIView detached from its superView?