joar

# Add field
echo '{"hello": "world"}' | jq --arg foo bar '. + {foo: $foo}'
# {
#   "hello": "world",
#   "foo": "bar"
# }

# Override field value
echo '{"hello": "world"}' | jq --arg foo bar '. + {hello: $foo}'
{

branneman

/**
 * Parent
 */
function Shape(x, y) {
    this.x = x;
    this.y = y;
}
Shape.prototype.constructor = Shape;
Shape.prototype.pos = function() {
    return [this.x, this.y];

vasanthk

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

1. Clarify and agree on the scope of the system

• User cases (description of sequences of events that, taken together, lead to a system doing something useful)
  • Who is going to use it?
  • How are they going to use it?

rauchg

From zero to microservice with 𝚫 now

The following guide will show you how to deploy a simple microservice written in JavaScript using 𝚫 now.

It uses Open Source tools that are widely available, tested and understood:

• Node.JS
• NPM
• Express

rauchg

require-from-twitter

Since Twitter doesn't have an edit button, it's a suitable host for JavaScript modules.

How to use

Source tweet: https://twitter.com/rauchg/status/712799807073419264

const leftPad = await requireFromTwitter('712799807073419264');

mangoliou

# apt-get install 
sudo apt-get update
# For ubuntu 14.04
sudo apt-get install -y xserver-xorg-video-dummy-lts-trusty
# For ubuntu 16.04
sudo apt-get install -y xserver-xorg-video-dummy-lts-willy

# Copy the xorg.conf to `/etc/X11/xorg.conf`.
wget -P /etc/X11 https://gist.githubusercontent.com/mangoliou/ba126832f2fb8f86cc5b956355346038/raw/b6ad063711226fdd6413189ad905943750d64fd8/xorg.conf

deadlocked247

/* Class representing a Trie data structure */
export default class Trie {

  /**
   * Creates a Trie
   * @return {Object} Trie
   */
  constructor() {
    this.words = 0;
    this.prefixes = 0;

tomysmile

type below:

brew update
brew install redis

To have launchd start redis now and restart at login:

brew services start redis

sagivo

to check if the server works - https://webrtc.github.io/samples/src/content/peerconnection/trickle-ice

stun:
stun.l.google.com:19302,
stun1.l.google.com:19302,
stun2.l.google.com:19302,
stun3.l.google.com:19302,
stun4.l.google.com:19302,
stun.ekiga.net,
stun.ideasip.com,

brunosxs

# Available only in the 2.2 legacy branch and posterior versions

func _ready():

	# The old way:
	print("HELLO") 			# Code before the yield
	# Setting up the yield:
	var t = Timer.new() 		# Create a new Timer node
	t.set_wait_time(5.5) 		# Set the wait time
	add_child(t)			# Add it to the node tree as the direct child