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#Simple Authentication with Bcrypt

This tutorial is for adding authentication to a vanilla Ruby on Rails app using Bcrypt and has_secure_password.

The steps below are based on Ryan Bates's approach from Railscast #250 Authentication from Scratch (revised).

You can see the final source code here: repo. I began with a stock rails app using rails new gif_vault

##Steps

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## Sublime Text 3 Serial key build is 3103

—– BEGIN LICENSE —–
Michael Barnes
Single User License
EA7E-821385
8A353C41 872A0D5C DF9B2950 AFF6F667
C458EA6D 8EA3C286 98D1D650 131A97AB
AA919AEC EF20E143 B361B1E7 4C8B7F04
B085E65E 2F5F5360 8489D422 FB8FC1AA

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- Check rails version
$ rails -v

- To update rails
$ gem update rails

- Creating a new rails app using postgresql
$ mkdir rails_projects
$ cd rails_projects
$ rails new myapp --database=postgresql

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Android Emulator usage: emulator [options] [-qemu args]
  options:
    -sysdir <dir>                  search for system disk images in <dir>
    -system <file>                 read initial system image from <file>
    -datadir <dir>                 write user data into <dir>
    -kernel <file>                 use specific emulated kernel
    -ramdisk <file>                ramdisk image (default <system>/ramdisk.img
    -image <file>                  obsolete, use -system <file> instead
    -initdata <file>               same as '-init-data <file>'
    -data <file>                   data image (default <datadir>/userdata-qemu.img

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# install openjdk
sudo apt-get install openjdk-7-jdk

# download android sdk
wget http://dl.google.com/android/android-sdk_r24.2-linux.tgz

tar -xvf android-sdk_r24.2-linux.tgz
cd android-sdk-linux/tools

# install all sdk packages

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# install java
apt-get install -y software-properties-common
apt-add-repository -y ppa:webupd8team/java
apt-get update
apt-get install -y oracle-java8-installer

# download latest android sdk
# http://developer.android.com/sdk/index.html#Other
cd /opt
wget http://dl.google.com/android/android-sdk_r24.4.1-linux.tgz

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Guide for installing React Native on Linux (ubuntu 14.04)

Step 1: Install JDK 7

sudo apt-get install openjdk-7-jdk

Step 2: Download the Android SDK

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Sugar VS Fat (Netflix)

• açúcar não é apenas aquele pó branco, mas pão, frutas, farinha branca se transformam em açúcar no sangue
• quem faz a dieta baseada em proteína/gordura não faz muito coco
• Gordura saturada eleva o colesterol, bloqueia as artérias
• muito açúcar no sangue libera insulina, que é um hormônio que regula o açúcar no sangue. comer muito açúcar pode nos fazer engordar.
• muito açúcar pode nos levar a diabetes
• Exames de colesterol e insulina são bons pra entender seu estado físico
• Testes de massa muscular e gordura é importante pra saber a porcentagem de gordura e músculo no corpo, composição corporal
• glicose é o melhor é o principal combustível do cérebro

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Here is a high level overview for what you need to do to get most of an Android environment setup and maintained.

Prerequisites (for Homebrew at a minimum, lots of other tools need these too):

• XCode is installed (via the App Store)
• XCode command line tools are installed (xcode-select --install will prompt up a dialog)
• Java

Install Homebrew:

ruby -e "$(curl -fsSL https://raw.github.com/Homebrew/homebrew/go/install)"

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#app/controllers/application_controller.rb
class ApplicationController < ActionController::Base
  def opensearch
    response.headers['Content-Type'] = 'application/opensearchdescription+xml; charset=utf-8'
  end