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If you're using a high-end bluetooth headset on your Macbook Pro it's likely your mac is using an audio codec which favors battery efficiency over high quality. This results in a drastic degradation of sound, the SBC codec is the likely culprit, read more about it here.

Find out what codec you're using

1. Play a song on your headphones
2. Option (⌥) click the Bluetooth button at the top of your screen
3. If you're using AAC or aptX, you can stop here—those are the highest quality codecs.

Change your codec to AAC or aptX

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#!/usr/bin/env zsh

# Copy the last command executed to the clipboard.
#
# Name this script copy_last_command and add it to your fpath. 
# Add the following in your .zshrc to bind this script to Ctrl+Z.
#
# zle -N copy_last_command
# bindkey -M emacs '^Z' copy_last_command
# bindkey -M vicmd '^Z' copy_last_command

vvvvv

#!/usr/bin/env zsh

# Use fzf to cd into any directory in your home directory.
#
# Name this script fzf_super_cd and add it to your fpath.
# Add the following to your .zshrc to bind it to Ctrl+E.
#
# zle     -N            fzf_super_cd  
# bindkey -M emacs '^E' fzf_super_cd  
# bindkey -M vicmd '^E' fzf_super_cd  

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{
    "global": {
        "check_for_updates_on_startup": true,
        "show_in_menu_bar": true,
        "show_profile_name_in_menu_bar": false,
        "unsafe_ui": false
    },
    "profiles": [
        {
            "complex_modifications": {