ChrisCinelli

var _request = require('request');

const { stringify } = require('flatted/cjs');
const LRU = require('lru-cache');
const crypto = require('crypto');


// Interface for cached requests
class Cache {
  // opt to pass to LRU, h hash function for the key

ChrisCinelli

#!/bin/bash
# See https://gist.github.com/db1af03d007d2f64a44ff22f4633fe74 for more info

# This script backup data from a ES instance to disk and create a xz archive with the command to restore it
# You need to have jq ( https://stedolan.github.io/jq/ ) and elasticdump ( https://www.npmjs.com/package/elasticdump ) installed


# source ES instance
DEFAULT_ESR='http://source:9200' # Edit this
ESR=${1:-$DEFAULT_ESR} # Or just use $1 to add the Elastic Search url

ChrisCinelli

#!/bin/bash
# Split files in a bunch of 10Mb files and add .zip (even if they are not zip)
# Why? They can be attached to a issue in Github and overcoming the ;-)
# Use:   split10m file
#   or   tar cJf - folder_to_compress | split10m
gsplit -b 10m -d --additional-suffix=.zip ${1:--} ${2:-archive}

# It can be reconstructed with just:
#  $ cat archive*.zip > originalfile
# Or assuming that the file was a .tar.xz file, it can be extract directly:

ChrisCinelli

#!/bin/bash
# See https://gist.github.com/593100533a7dbb4474612f9adb8f8ff6 for more info

# This script backup data from a ES instance to disk and create a xz archive with the command to restore it
# You need to have jq ( https://stedolan.github.io/jq/ ) and elasticdump ( https://www.npmjs.com/package/elasticdump ) installed


# source ES instance
DEFAULT_ESR='http://locahost:9200' # Edit this
ESR=${1:-$DEFAULT_ESR} # Or just use $1 to add the Elastic Search url

ChrisCinelli

const _get = require('lodash/get');
const regEx = /\{\s*([a-zA-Z0-9\[\]\._]+)(\s*\|\s*['"]([^\}\s]+)['"])?\s*\}/g;


/*
 f({a: 1, b: { c: 2, d: 3}}, '({a}, {b.c}, {c.d})') will output (1, 2, 3)
*/

module.exports = (obj, str) => str.replace(regEx, (match, p1, p2, p3) => _get(obj, p1) || p3 || '');

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

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

// 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

# 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

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