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.
├── books
│   ├── handlers.go
│   └── models.go
├── config
│   └── db.go
└── main.go

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#!/usr/bin/env python

import requests, sys, getopt

try:
    opts, args = getopt.getopt(sys.argv[1:], "p:", ["port="])
except getopt.GetoptError:
    print('springboot.py -p <port>')
    sys.exit(2)

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class TheOneAndOnlyKraken {
    static let sharedInstance = TheOneAndOnlyKraken()
    private init() {} //This prevents others from using the default '()' initializer for this class.
}

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describe "GET current" do
    before do
      @request.cookies['hidden_notices'] = "1,#{notices(:permanent).id}"
      get :current, :format => 'js'
    end

    it { should respond_with(:success) }
    it { should set_cookie(:hidden_notices).to("#{notices(:permanent).id}") }
    it { should render_template('notices/current') }
  end

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Latency numbers every programmer should know

L1 cache reference ......................... 0.5 ns
Branch mispredict ............................ 5 ns
L2 cache reference ........................... 7 ns
Mutex lock/unlock ........................... 25 ns
Main memory reference ...................... 100 ns             
Compress 1K bytes with Zippy ............. 3,000 ns  =   3 µs
Send 2K bytes over 1 Gbps network ....... 20,000 ns  =  20 µs
SSD random read ........................ 150,000 ns  = 150 µs

Read 1 MB sequentially from memory ..... 250,000 ns = 250 µs

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# Fluent Factory overrides the new class method to provide an intuitive factory.
# Instead of using
#  MyFactory.new_instance(args)
# Which may return an instance of MyClass, you now use
#  MyClass.new(args)
# The second way is more intuitive and the big advantage is to use it rails and
# inheritance.
# 
# Read the full example below to understand how to use it.
#    class Animal

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Creating a Spree Site

Here's how to get up and running on Spree Commerce...

We'll be using Rails3 and the Bundler gem. So make sure you've got those installed before moving on....

First create a new rails project:

rails new my_spree_site

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class Calculator::PulpRate < Calculator
  preference :category1_rate,      :decimal, :default => 0
  preference :category2_rate,      :decimal, :default => 0
  preference :category3_rate,      :decimal, :default => 0
  preference :category4_rate,      :decimal, :default => 0
  preference :category5_rate,      :decimal, :default => 0
  
  WEIGHT_RANGES = {
    0..350     => :preferred_category1_rate,
    351..500   => :preferred_category2_rate,