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hjkl - move around
:#,#d - deletes between two lines, eg: :10,12d deletes lines 10 through 12
x - delete character
o - insert on next line
O - insert on preceding line
a - insert after cursor
i - go into insert mode
w - move to beginning of next word (also W for whitespace delimited word)
e - move to end of word (also E for whitespace delimited words)
b - move backward to start of word (also B)

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BEFORE: start trajectory story

* run specific tests wrote (eg: rspec spec/decorators/event_decorator_spec.rb:5)

rake

git status

git diff

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def value
      @values = 0
       Post.find(self.id).votes.each do |vote|
             if vote.vote_value == nil
               vote.vote_value = 0
           else
                @values += vote.vote_value
             end
         end

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ActiveRecord cheat sheet / EXAMPLES

INSTALL 
=======  
$ gem install activerecord
in GEMFILE: gem ‘activerecord’

REQUIRE 
=======  
require ‘active_record’

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<?xml version="1.0" encoding="utf-8" ?>
<!-- SQL XML created by WWW SQL Designer, http://code.google.com/p/wwwsqldesigner/ -->
<!-- Active URL: http://socrates.devbootcamp.com/sql.html -->
<sql>
<datatypes db="mysql">
  <group label="Numeric" color="rgb(238,238,170)">
    <type label="Integer" length="0" sql="INTEGER" re="INT" quote=""/>
    <type label="Decimal" length="1" sql="DECIMAL" re="DEC" quote=""/>
    <type label="Single precision" length="0" sql="FLOAT" quote=""/>
    <type label="Double precision" length="0" sql="DOUBLE" re="DOUBLE" quote=""/>

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<?xml version="1.0" encoding="utf-8" ?>
<!-- SQL XML created by WWW SQL Designer, http://code.google.com/p/wwwsqldesigner/ -->
<!-- Active URL: http://socrates.devbootcamp.com/sql.html -->
<sql>
<datatypes db="mysql">
  <group label="Numeric" color="rgb(238,238,170)">
    <type label="Integer" length="0" sql="INTEGER" re="INT" quote=""/>
    <type label="Decimal" length="1" sql="DECIMAL" re="DEC" quote=""/>
    <type label="Single precision" length="0" sql="FLOAT" quote=""/>
    <type label="Double precision" length="0" sql="DOUBLE" re="DOUBLE" quote=""/>

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require 'twilio-ruby'

class Texter

  def initialize
    @account_sid = 'xxx'
    @auth_token = 'xxx'
    @client = Twilio::REST::Client.new(@account_sid, @auth_token)
    @from = 'xxx'
  end

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puts "Welcome to console mad libs! First you'll enter 21 words, then you'll get a fun story, made by you!"
puts
  goodAnswer = false
  while (not goodAnswer)
    puts "Are you ready to play? Type in 'yes' to begin."
    ready = gets.chomp.downcase
    if (ready == 'yes')
      goodAnswer = true
    else

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class Board

  def initialize(board_input)
    @board_array = []
    board_input.split(//).each_with_index do |cell, index|
      @board_array << Cell.new(cell, index)
    end
  end

  def find_box(cell_id)

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class Array
  def new_collect
    result = []
    self.each do |index|
      result << yield(index)
    end
    result
  end