vim ruby mismatch on Mac High Sierra

This worked for me. YMMV brew uninstall –purge macvim brew install macvim [amended] Regarding the upgrade alone option, that may work if you don’t have the current version already. The –purge forces a removal and complete reinstall. Also, the build from source option, while it may work, you now own your own mac-vim static snapshot … Read more

‘Class FIFinderSyncExtensionHost is implemented in both …’ warning in Xcode since update to macOS High Sierra

There’s nothing you can do about this. It’s an Apple problem, but it’s probably harmless. Note: I’m not sure what other description could be given than what the warning says. It just means that the same class is defined in two modules. With Apple stuff, they’re often identical so it doesn’t matter which copy is … Read more

Can’t launch AVD on macOS 10.13

Use the new Hypervisor.Framework support instead of HAXM on macOS, as described in the comments of the issue filed for this: Try running the emulator on Canary channel 26.1.x (API 25/26 recommended) with Hypervisor.Framework; put the text “HVF = on” in ~/.android/advancedFeatures.ini (create this file if it doesn’t exist already).

Is it possible to install Xcode 10.2 on High Sierra (10.13.6)?

Yes it’s possible. Follow these steps: Download Xcode 10.2 via this link (you need to be signed in with your Apple Id): https://developer.apple.com/services-account/download?path=/Developer_Tools/Xcode_10.2/Xcode_10.2.xip and install it Edit Xcode.app/Contents/Info.plist and change the Minimum System Version to 10.13.6 Do the same for Xcode.app/Contents/Developer/Applications/Simulator.app/Contents/Info.plist (might require a restart of Xcode and/or Mac OS to make it open the … Read more