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### Step-by-Step Full Implementation

#### 1. Install `react-native-config`

First, install the `react-native-config` package:

```bash
npm install react-native-config
npx react-native link react-native-config
```

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//npm install aws-sdk aws-sdk-mock --save-dev

/*
if (process.env.NODE_ENV === 'development') {
  require('./mockDynamoDB');
}
*/

/*
4. Running Your Server

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**message:** If I have a CSV file one record per line how can I get an md5 of the columns, title, ref, description, url

**message:** You can use a programming language like Python to read the CSV file, extract the values of the columns title, ref, description, and url for each record, concatenate them into a single string, and then calculate the MD5 hash of the string.Here is some sample Python code that demonstrates how to do this using the built-in csv and hashlib modules:pythonCopy codeimport csv
import hashlib

filename = "example.csv"  # replace with the name of your CSV file

with open(filename, "r") as csvfile:
    reader = csv.DictReader(csvfile)
    for row in reader:

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#!/bin/bash

# Check if Heroku CLI is installed
if ! command -v heroku &> /dev/null; then
  echo "Heroku CLI is not installed, please install it before running this script"
  exit 1
fi

# Check if user is logged in
if ! heroku auth:whoami &> /dev/null; then

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print("hello world")

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// utility fns
var getUid = function(length) {
  var i, uid, min, max;

  length = length || 32;
  uid = '';
  min = 0;
  max = getUid.codes.length - 1;

  for (i = 0; i < length; i++) {

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/*
Applications filter -> Map -> Reduce and how it relates to functional
(Not a functional programming talk)
But a lil functional code
*/

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var express = require('express');
var app = express();
app.use(express.bodyParser());

app.get('/:model', function (req, res) {
    res.json(data[req.params.model]);
});

app.get('/:model/:id', function (req, res){
    var record = data[req.params.model].filter(function (entry) {

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Object.defineProperties = function(O, Properties) {
  // 1. If Type(O) is not Object throw a TypeError exception.
  if (typeof(O) !== "object" || O == null) {
    throw TypeError("Object.defineProperties called on non-object");
  }
  
  // 2. Let props be ToObject(Properties)
  var props = Object(Properties); // not *exactly* the same, but similar enough
  
  // 3. Let names be an internal list containing the names of each enumerable own property of props.

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# Example CustomEvent

class Dispatcher
  include CustomEventSupport
  include BubblingSupport

  def set_property(value)
    dispatch 'property_change', {:value => value}
  end
end