Open your ~/.bashrc file and see if this line is there – export PIP_REQUIRE_VIRTUALENV=true It might be causing the trouble. If it’s there, change it to false and run – source ~/.bashrc If not, run export PIP_REQUIRE_VIRTUALENV=false from terminal. Note: everything works the same if you have .bash_profile instead of .bashrc in your current user’s … Read more
Notifications in Mountain Lion are handled by two classes. NSUserNotification and NSUserNotificationCenter. NSUserNotification is your actual notification, it has a title, a message etc. that can be set via properties. To deliver a notification that you’ve created, you can use the deliverNotification: method available in NSUserNotificationCenter. The Apple docs have detailed information on NSUserNotification & … Read more
Open the file in vim or vi, and administer the following command: :set ff=unix Save and exit: :wq Done! Explanation ff stands for file format, and can accept the values of unix (\n), dos (\r\n) and mac (\r) (only meant to be used on pre-intel macs, on modern macs use unix). To read more about … Read more
ERROR: While executing gem … (Gem::FilePermissionError) You don’t have write permissions for the /Library/Ruby/Gems/2.3.0 directory. Install RVM (optional) Set the gem folder in your shell resource file. I.e. .zshrc, .bashrc etc export GEM_HOME=”$HOME/.gem” Install you gem gem i LIBRARY_NAME
In the iOS simulator, at the bar on the top, click on Debug → Toggle Slow Animations (or Slow Animations with Xcode 10+). Chances are you accidentally toggled it on.
Search for, download, and install Apple’s free Additional Tools for Xcode 8 (for previous Xcode releases search for Graphics Tools for Xcode according to your version). Note: free Apple Developer account required. Launch Quartz Debug application. Go to menu: Window —> UI Resolution. Check Enable HiDPI display modes. Quit Quartz Debug. Open System Preferences. Select … Read more
From the Apple Developer Forum (account required): “The compiler and linker are capable of using features and performing optimizations that do not work on older OS versions. -mmacosx-version-min tells the tools what OS versions you need to work with, so the tools can disable optimizations that won’t run on those OS versions. If you need … Read more