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joshweinsteinon Quick tip for developers who use OS X

I've been wanting to use 'jj' to enter normal mode on the command line for some time. This solution actually didn't work for me, but adding the following to my .zshrc did:

  bindkey -M viins 'jj' vi-cmd-mode

joshweinsteinon Machine Learning in Practice – Newsletter

The sample content is very high level. Will the newsletter be more technical?