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// Let the collection's name is 'students' & we want to speed up the query's performance on the 'students' collection when we find documents in the collection by 'student_id'. 
// In order to achieve this, we'll add an index for the 'student_id' column where we want to index it by ascending order.

db.students.ensureIndex({'student_id': 1}) 

// Another case is when we want to speed up query which takes both 'student_id' & 'class' columns where the class would be descending order.
db.students.ensureIndex({'student_id':1, 'class':-1})

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// Creating root category
db.categories.insert({'_id': 0, 'name': 'Computer Hardware' })

// Creating 1st level category
db.categories.insert({'_id': 1, 'name': 'Computer Components', 'parent_id': 0, 'ancestors': [0]})

// Creating 2nd level categories
db.categories.insert({'_id': 2, 'name': 'CPUs', 'parent_id': 1, 'ancestors': [1, 0]})
db.categories.insert({'_id': 3, 'name': 'Motherboards', 'parent_id': 1, 'ancestors': [1, 0]})
db.categories.insert({'_id': 4, 'name': 'Memory', 'parent_id': 1, 'ancestors': [1, 0]})

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// Prepare sample data on the Teachers collection
db.teachers.insert({'_id': 0, 'name': 'Maria'})
db.teachers.insert({'_id': 1, 'name': 'Jill'})
db.teachers.insert({'_id': 2, 'name': 'Anna'})
db.teachers.insert({'_id': 3, 'name': 'Lara'})

// Prepare sample data on the Students collection
db.students.insert({'_id':0, 'name':'Lisa', 'teachers': [0,1]})
db.students.insert({'_id':1, 'name':'Paulene', 'teachers': [0,1,3]})
db.students.insert({'_id':2, 'name':'Joey', 'teachers': [1,2,3]})

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// Initialise Express
var express = require('express'),
    app = express();

// Initialise Consolidate
var consolidate = require('consolidate');

// setup swig as the view html engine
app.engine("html", consolidate.swig);
app.set("view engine", "html");

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hello_world: (req, res) -> res.json({hello: 'world'})
                           ^
SyntaxError: Unexpected token >
    at Module._compile (module.js:439:25)
    at Object.Module._extensions..js (module.js:474:10)
    at Module.load (module.js:356:32)
    at Function.Module._load (module.js:312:12)
    at Module.require (module.js:364:17)
    at require (module.js:380:17)
    at /home/wendysa/Documents/Excercises/demo_sails/node_modules/sails/node_modules/include-all/index.js:96:53

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  ##
  ^
SyntaxError: Unexpected token ILLEGAL
    at Module._compile (module.js:439:25)
    at Object.Module._extensions..js (module.js:474:10)
    at Module.load (module.js:356:32)
    at Function.Module._load (module.js:312:12)
    at Module.require (module.js:364:17)
    at require (module.js:380:17)
    at /home/wendysa/Documents/Excercises/demo_sails/node_modules/sails/node_modules/include-all/index.js:96:53

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module.exports = {
  ##
   # Action blueprints:
   #    `/home/index`
   #    `/home`
   #
   hello_world = req, res -> res.json({hello: 'world'})
  }

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module.exports.routes = {

  // By default, your root route (aka home page) points to a view
  // located at `views/home/index.ejs`
  // 
  // (This would also work if you had a file at: `/views/home.ejs`)
  '/': {
    controller: 'HomeController',
    action: 'hello_world'
  }

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/**
 * HomeController
 *
 * @module      :: Controller
 * @description	:: A set of functions called `actions`.
 *
 *                 Actions contain code telling Sails how to respond to a certain type of request.
 *                 (i.e. do stuff, then send some JSON, show an HTML page, or redirect to another URL)
 *
 *                 You can configure the blueprint URLs which trigger these actions (`config/controllers.js`)

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using System;
using System.IO;

using Amazon.S3.Model;
using Amazon.S3.Transfer;

namespace GuestBook.Repository.Aws.S3
{
    class GuestBookImageRepository : S3RepositoryBase, IGuestBookImageRepository
    {