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#Note for Programming in Scala

##Chp.0 SBT & Scala Interpreter

1. Call scala interpreter by sbt.

   // enter scala interpreter

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PSQL

Magic words:

psql -U postgres

Some interesting flags (to see all, use -h or --help depending on your psql version):

• -E: will describe the underlaying queries of the \ commands (cool for learning!)
• -l: psql will list all databases and then exit (useful if the user you connect with doesn't has a default database, like at AWS RDS)

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tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

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Tabs and Windows

Function	Shortcut
New Tab	⌘ + T
Close Tab or Window	⌘ + W (same as many mac apps)
Go to Tab	⌘ + Number Key (ie: ⌘2 is 2nd tab)
Go to Split Pane by Direction	⌘ + Option + Arrow Key
Cycle iTerm Windows	⌘ + backtick (true of all mac apps and works with desktops/mission control)

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[
  {
    "name": "Corne, default layer",
    "author": "https://github.com/c0psrul3",
    "plate": false,
    "keyboard-layout-editor": "http://www.keyboard-layout-editor.com/#/gists/adfa7c3cd8f0c6d3a7b9155c6eab1748#file-corne-crkbd_c0psrul3-default-json",
    "qmk-config": "https://config.qmk.fm/#/crkbd/rev1/LAYOUT"
  },
  [
    {