LOZORD

git, GitHub, and you!

A tutorial for the UPL Video Lecture Series

by Leo Rudberg

Accompanying slideshow

Video walkthrough

All of the commands below are prefixed by git and are run inside your (Unix-like) terminal (bash, zsh, etc.).

LOZORD

# A while back, Major League Hacking (mlh.io) wanted to make a video
#   similar to the "I Believe That We Will Win" videos.
# In the video, hackers will say the line, showing off our passion and diversity.
# Being a hacker first, an a normal human second, I took the request as a challenge.
# When I remembered that `say` was a thing in Terminal, I knew what I had to do...
# In this gist (and hopefully a video), I'll explain what my one liner means.
# Hopefully, you'll learn some awesome Ruby tricks along the way.
# If you are new to Ruby, http://feministy.github.io/ruby_basics/#/ is a great start.

# Here's my one-liner:

LOZORD

/*
I used this tutorial below to get some nice looking bars to start out with:
http://css-tricks.com/html5-progress-element

Some page-specific code has been redacted, only the meat remains
Don't blame me if this doesn't compile! This meant for education!
*/

const IS_WEBKIT = 'WebkitAppearance' in document.documentElement.style;
const RGB_STR_REGEX = /^rgb\((\d+),\s*(\d+),\s*(\d+)\)$/;

LOZORD

# implemented for all real rational numbers
class Float

  # determine if a real rational number is zero
  # we know a number is zero if one cannot divide another by it
  def _is_zero_?
    begin
      # need to check for any non-zero number
      # we might as well put pi in the cache
      x = Math::PI.ceil