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// https://jrsinclair.com/articles/2019/how-to-run-async-js-in-parallel-or-sequential/

const job = (name, delay) =>
  new Promise((res) => {
    setTimeout(() => {
      console.log(`Job(${name}) resolving after ${delay}`);
      res();
    }, delay);
  });

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Play a random song when a GPIO button is pressed

Dependencies for python

sudo pip3 install python-vlc
sudo apt-get install python3-rpi.gpio

Or for python2

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// https://gist.github.com/mjackson/5311256
// http://xahlee.info/js/js_convert_decimal_hexadecimal.html

/**
 * Converts an RGB color value to HSV. Conversion formula
 * adapted from http://en.wikipedia.org/wiki/HSV_color_space.
 * Assumes r, g, and b are contained in the set [0, 255] and
 * returns h, s, and v in the set [0, 1].
 *
 * @param   Number  r       The red color value

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yarnrun

An interactive version of yarn run for fish shell

Dependencies

Requires my pecorb gem (or an alternative)

gem install pecorb

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serve-live

A live reload server command for fish

Installation

yarn global add browser-sync

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# https://www.youtube.com/watch?v=Ct6BUPvE2sM

def ouhh(left, right)
  if left == "pen" && right == "apple"
    "apple-pen"
  elsif left == "pen" && right == "pineapple"
    return "pineapple-pen"
  elsif left == "apple-pen" && right == "pineapple-pen"
    return "pen-pineapple-apple-pen"
  end

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# Homebrew
if ! hash brew 2> /dev/null; then
  echo "You need brew, installing it now..."
  /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
fi

# Generic stuff
brew install cask wget tree nmap ctags git hub bash-completion
brew cask install iterm2 mattr-slate slack docker

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require 'io/console'

print "Player 1, pick a number: "
number = STDIN.noecho(&:gets)

puts
puts "Player 2, try to guess the number!"
print "Guess: "
guess = gets

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Regular Expressions

• Simple characters

  • abc

• Quantifiers

  • * 0 or more
  • + 1 or more

• ? 0 or 1

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JavaScript Crash Course

A list of things to learn / talk about in order to learn the fundamentals of JavaScript and modern tools for dev

History