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alias mysql=/Applications/MAMP/Library/bin/mysql

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#
# 2 - REVERSAL
#
# The quickest way to reverse an array is to swap elements at either end, and repeat
# while moving up from the left and down from the right.
#
#   [ a b c d e f ]
#   [ f         a ] - Step 1 we switched A[0] with A[-1]
#   [   e     b   ] - Step 2 we switched A[1] with A[-2]
#   [     d c     ] - Step 3 we switched A[2] with A[-3]

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# first:
lsbom -f -l -s -pf /var/db/receipts/org.nodejs.pkg.bom | while read f; do  sudo rm /usr/local/${f}; done
sudo rm -rf /usr/local/lib/node /usr/local/lib/node_modules /var/db/receipts/org.nodejs.*

# To recap, the best way (I've found) to completely uninstall node + npm is to do the following:

# go to /usr/local/lib and delete any node and node_modules
cd /usr/local/lib
sudo rm -rf node*

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Setting up and installing rbenv, ruby-build, rubies, rbenv-gemset, and bundler

This guide enables you to install (ruby-build) and use (rbenv) multiple versions of ruby, isolate project gems (gemsets and/or bundler), and automatically use appropriate combinations of rubies and gems.

TL;DR Demo

# Ensure system is in ship-shape.

aptitude install git zsh libssl-dev zlib1g-dev libreadline-dev libyaml-dev

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#!/usr/bin/env bash

# SEE YOU SPACE COWBOY by DANIEL REHN (danielrehn.com)
# Displays a timeless message in your terminal with cosmic color effects

# Usage: add "sh ~/seeyouspacecowboy.sh; sleep 2" to .bash_logout (or similar) in your home directory
# (adjust the sleep variable to display the message for more seconds)

# Cosmic color sequence

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Rails Models

Generating models

$ rails g model User

Associations

belongs_to

has_one

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Rails Migration

http://guides.rubyonrails.org/migrations.html

Migrations methods:

• add_column
• add_index
• change_column
• change_table
• create_table
• drop_table

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Effectively Reviewing a Pull Request
====================================

How do they work?
-----------------
- code on a branch or fork
- open pull request
- have people review code
- potentially update the code
- merge pull request

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<section id="todoapp">
  <header id="header">
    <h1>todos</h1>
    <input type="text" id="new-todo" placeholder="What needs to be done?" />
  </header>

  <section id="main">
    <ul id="todo-list">
      <li class="completed">
        <input type="checkbox" class="toggle">

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{{outlet}}

<footer id="info">
  <p>Double-click to edit a todo</p>
</footer>