crapthings

http://devo.ps/blog/troubleshooting-5minutes-on-a-yet-unknown-box/
http://devo.ps/blog/basic-setup-for-a-new-linux-server/

echo "export LC_ALL=en_US.UTF-8"  >>  /etc/profile

netstat -plutn

iptables -F

iptables -A INPUT -p tcp --tcp-flags ALL NONE -j DROP

crapthings

// === Arrays

var [a, b] = [1, 2];
console.log(a, b);
//=> 1 2


// Use from functions, only select from pattern
var foo = () => [1, 2, 3];

crapthings

import _ from 'lodash'

const test1 = [
  { name: 'zhanghong', age: 32, money: 0, size: 12, },
  { name: 'wanghong', age: 20, size: 6 },
  { name: 'jinhong', age: 16, height: 172 },
]

const test2 = [
  { name: 'zhanghong', gender: 'male', age: 14 },

crapthings

import { compose } from 'react-komposer'

function RV(component, states) {

  const localStates = {}
  const localValues = {}

  for (let state in states) {
    localStates[state] = new ReactiveVar(states[state])
  }

crapthings

import utils from '/server/utils';
/* eslint-disable prefer-arrow-callback */
import { check, Match } from 'meteor/check';
import Collections from '../../lib/collections';
import cacheManager from '../cache.js';
import {checkIssueMembership} from '../../lib/is-member.js';
import _ from 'lodash';

const { Issues, Activities, Users, IssueMembers, Groups, Tags, Documents } = Collections;

crapthings

sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 0C49F3730359A14518585931BC711F9BA15703C6
echo "deb [ arch=amd64,arm64 ] http://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.4 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-3.4.list

wget https://nginx.org/keys/nginx_signing.key -O - | sudo apt-key add -
echo "deb http://nginx.org/packages/ubuntu/ xenial nginx
deb-src http://nginx.org/packages/ubuntu/ xenial nginx" | sudo tee /etc/apt/sources.list.d/nginx.list

apt update
apt install -y build-essential python mongodb-org nginx

crapthings

export LANGUAGE="en_US.UTF-8"
export LC_ALL="en_US.UTF-8"
echo LANGUAGE=en_US.UTF-8 >> /etc/default/locale
echo LC_ALL=en_US.UTF-8 >> /etc/default/locale

apt update
apt install -y mdadm xfsprogs

lsblk -o NAME,SIZE,FSTYPE,TYPE,MOUNTPOINT

crapthings

const _ = require('lodash')
const faker = require('faker')

console.time('make data')

const seed = 20000

const authors = _.times(seed, n => ({
  id: 'a' + n,
  name: faker.name.findName(),

crapthings

function isString(target) {
  return isType(target, 'String')
}

function isNumber(target) {
  return isType(target, 'Number')
}

function isDate(target) {

crapthings

module.exports = function findChildren(root, items = [], opts = {}) {
  const { rootKey, foreignKey, withRoot } = opts
  const bypass = {}
  let children = [root]
  let nextItems = []
  recurse()
  if (!withRoot)
    children.shift()
  return children