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- How to undo on Mac: Command-Z and redoHow to undo on Mac with Command-Z or Edit › Undo, redo with Shift-Command-Z, undo a file move or delete in Finder, and go back to an earlier version.
- Mac Wi-Fi not working: how to fix itMac Wi-Fi not working or connected without internet? Restart Wi-Fi and the router, rejoin the network, run Wireless Diagnostics, check VPN.
How to uninstall Python on Mac completelyHow to uninstall Python on a Mac: from python.org, Homebrew or pyenv, what to keep (Apple’s own python3) and how to check it’s gone.
yarn cache clean: how to clear Yarn cache on MacHow to clear Yarn cache on a Mac: yarn cache clean in Yarn 1 (Classic), --all and --mirror in Yarn 2 and later, and where each version keeps it.
How to create a folder on MacHow to create a folder on Mac: File › New Folder or Shift-Command-N, a folder on the desktop, New Folder with Selection, and why New Folder is dimmed.
How to check battery health on MacBookHow to check battery health on a MacBook: Maximum Capacity and condition in Battery settings, the cycle count in System Information, and Apple’s limits.- How to change Mac nameHow to change Mac name in System Settings › General › About, how to change the local hostname, and where other devices see the name of your Mac.
- How to record audio on MacHow to record audio on Mac for free with QuickTime Player or Voice Memos, how to choose the microphone, and what to do to record the Mac’s own sound.
How to delete Pods and clear CocoaPods cache on MacHow to delete the Pods folder, clear CocoaPods cache with pod cache clean --all and remove the old master spec repo on a Mac without breaking your project.- How to factory reset a MacHow to factory reset a Mac: what to do first, Erase All Content and Settings on newer Macs, and the Recovery way for older Intel Macs.
How to clear Android Studio cache on MacHow to clear Android Studio cache on a Mac with File › Invalidate Caches, delete caches of old versions, and what not to delete: emulators and the SDK.- How to unzip files on Mac and zip themHow to unzip files on Mac with a double-click, how to zip a file on Mac with Compress, password-protected zips, and what to do with RAR and 7z.
- How to delete Time Machine backups on MacHow to delete Time Machine backups and local snapshots on Mac, and why macOS usually frees that space by itself.
