kblake

 -- PostgreSQL 9.2 beta (for the new JSON datatype)
 --   You can actually use an earlier version and a TEXT type too
 -- PL/V8 http://code.google.com/p/plv8js/wiki/PLV8


  -- JSON Types need to be mapped into corresponding PG types 
  -- 
  -- Number     => INT or DOUBLE PRECISION
  -- String     => TEXT

kblake

Get Mountain Lion and Homebrew to Be Happy

1) Install XCode 4.4 into /Applications

Get it from http://developer.apple.com. You will not be able to submit apps to any stores using this XCode version, so turn away if that is something you might want to do.

2) Install Command Line Tools

In XCode's Preferences > Downloads you can install command line tools.

kblake

1. Your class can be no longer than 100 lines of code.
2. Your methods can be no longer than five lines of code.
3. You can pass no more than four parameters and you can’t just make it one big hash.
4. When a call comes into your Rails controller, you can only instantiate one object to do whatever it is that needs to be done.

You can break these rules if you can talk your pair into agreeing with you.

kblake

# Erlang R16B
# Elixir 0.9.3
# amrita 0.1.3

# mix.exs #####################################
defmodule AmritaSandbox.Mixfile do
  use Mix.Project

  def project do
    [ app: :amrita_sandbox,

kblake

// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console

kblake

get ("/movies") {
  return Movie.all
}

get ("/movies/:id") {
  movie = Movie.get(params["id"])

  return movie
}

kblake

2014-09-30 21:01:01.432+0000 INFO  [o.n.s.CommunityNeoServer]: Setting startup timeout to: 120000ms based on -1
2014-09-30 21:01:01.507+0000 INFO  [o.n.k.InternalAbstractGraphDatabase]: No locking implementation specified, defaulting to 'community'
2014-09-30 21:01:01.557+0000 INFO  [o.n.k.i.DiagnosticsManager]: --- INITIALIZED diagnostics START ---
2014-09-30 21:01:01.558+0000 INFO  [o.n.k.i.DiagnosticsManager]: Neo4j Kernel properties:
2014-09-30 21:01:01.559+0000 INFO  [o.n.k.i.DiagnosticsManager]: neostore.propertystore.db.mapped_memory=1285M
2014-09-30 21:01:01.559+0000 INFO  [o.n.k.i.DiagnosticsManager]: neostore.nodestore.db.mapped_memory=357M
2014-09-30 21:01:01.559+0000 INFO  [o.n.k.i.DiagnosticsManager]: neostore.relationshipstore.db.mapped_memory=1575M
2014-09-30 21:01:01.559+0000 INFO  [o.n.k.i.DiagnosticsManager]: neostore.propertystore.db.strings.mapped_memory=1092M
2014-09-30 21:01:01.559+0000 INFO  [o.n.k.i.DiagnosticsManager]: store_dir=/Users/karmenblake/Downloads/neo4j-community-2.1.5/data/

kblake

defmodule FizzBuzz do
  def compute(n) do
    s = case {rem(n, 3), rem(n, 5)} do
      {0, 0} -> :FizzBuzz
      {0, _} -> :Fizz
      {_, 0} -> :Buzz
      _      -> n
    end
    IO.puts(s)
  end

kblake

IO.puts "Conway's Game of Life"

defmodule Cell do
  def next_cycle do
    receive do
      {sender, number_live_neighbors} ->
        cond do
          number_live_neighbors < 2 -> 
            send sender, {:died, die_off}
          number_live_neighbors > 3 ->

kblake

test_scores = [88, 100, 93, 65, 89, 90, 78, 99, 54]

If given an array of integers, display a horizontal histogram using ‘*’

For example, 

Produce:

88 : ****************************************************************************************