ChrisCinelli

# Pull base image.
FROM node:4.2.3
# NPM 3 has better management for peerDependencies 
RUN npm install -g npm@3.x
# These 2 guys take a little time and they rarely change...
RUN npm install -g bower forever@0.14.2

ChrisCinelli

// Convert the package versions in package.json to the version of the installed packages
// 
// cd your-package
// node fix-package-json.js > package.json

var fs = require("fs");
var contents = fs.readFileSync("package.json");
var json = JSON.parse(contents);

// Get current installed versions

ChrisCinelli

//return an array of objects according to key, value, or key and value matching
function getObjects(obj, key, val) {
    var objects = [];
    for (var i in obj) {
        if (!obj.hasOwnProperty(i)) continue;
        if (typeof obj[i] == 'object') {
            objects = objects.concat(getObjects(obj[i], key, val));    
        } else 
        //if key matches and value matches or if key matches and value is not passed (eliminating the case where key matches but passed value does not)
        if (i == key && obj[i] == val || i == key && val == '') { //

ChrisCinelli

#!/bin/bash
vim -d  <(eb printenv $1) <(eb printenv $2)

ChrisCinelli

var rePhoneNumber = /([2-9]|two|three|four|five|six|seven|eight|nine)[^0-9a-zA-Z]{0,3}([0-9]|zero|o|one|l|i|two|three|four|five|six|seven|eight|nine)[^0-9a-zA-Z]{0,3}([0-9]|zero|o|one|l|i|two|three|four|five|six|seven|eight|nine)[^0-9a-zA-Z]{0,3}([0-9]|zero|o|one|l|i|two|three|four|five|six|seven|eight|nine)[^0-9a-zA-Z]{0,3}([0-9]|zero|o|one|l|i|two|three|four|five|six|seven|eight|nine)[^0-9a-zA-Z]{0,3}([0-9]|zero|o|one|l|i|two|three|four|five|six|seven|eight|nine)[^0-9a-zA-Z]{0,3}([0-9]|zero|o|one|l|i|two|three|four|five|six|seven|eight|nine)[^0-9a-zA-Z]{0,3}([0-9]|zero|o|one|l|i|two|three|four|five|six|seven|eight|nine)[^0-9a-zA-Z]{0,3}([0-9]|zero|o|one|l|i|two|three|four|five|six|seven|eight|nine)[^0-9a-zA-Z]{0,3}([0-9]|zero|o|one|l|i|two|three|four|five|six|seven|eight|nine)/gi
export default function containPhoneNumber(num) {
  return !!rePhoneNumber.test(num);
}

ChrisCinelli

<div id="root"></div>

ChrisCinelli

# Convert video to gif file. See:https://superuser.com/a/1154859
# Usage: video2gif video_file (scale) (fps)
video2gif() {
  ffmpeg -y -i "${1}" -vf fps=${3:-10},scale=${2:-320}:-1:flags=lanczos,palettegen "${1}.png"
  ffmpeg -i "${1}" -i "${1}.png" -filter_complex "fps=${3:-10},scale=${2:-320}:-1:flags=lanczos[x];[x][1:v]paletteuse" "${1}".gif
  rm "${1}.png"
}

ChrisCinelli

// Usage: node fromTextToOneWordForLine.js < infile >outfile
// You can then use opendiff to find the real differences

var fs = require('fs');
var stdinBuffer = fs.readFileSync(0); // STDIN_FILENO = 0

var text = stdinBuffer.toString();

console.log(text.replace(/(\s|[^a-z])+/gi, '\n'));

ChrisCinelli

// Related tp: https://github.com/visionmedia/superagent/issues/1263

const agent = require("superagent");

const express = require('express')
const app = express()
app.get('/', function (req, res) {
  res.status(400).end("not good");
})
var mockPort;

ChrisCinelli

# Flame graph on EB AWS machines:
# Check http://www.brendangregg.com/blog/2014-09-17/node-flame-graphs-on-linux.html

# Change the run command to run the node process with:
# $ node --perf_basic_prof_only_functions index.js

ssh your.machine.net
sudo yum install perf
sudo sysctl kernel.kptr_restrict=0
sudo sysctl kernel.perf_event_paranoid=0