Marius Butuc mariusbutuc

The introduction to Reactive Programming you've been missing

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

What I Wish I'd Known About Equity Before Joining A Unicorn

Disclaimer: This piece is written anonymously. The names of a few particular companies are mentioned, but as common examples only.

This is a short write-up on things that I wish I'd known and considered before joining a private company (aka startup, aka unicorn in some cases). I'm not trying to make the case that you should never join a private company, but the power imbalance between founder and employee is extreme, and that potential candidates would

	class Rover
	class InvalidDirection < StandardError
	def message
	'Vertigoooooo!'
	end
	end

	VALID_DIRECTIONS = %i(north south east west).freeze

	attr_accessor :ns_coordinates, :ew_coordinates, :direction

	class Cache
	attr_accessor :data

	def initialize(data: {})
	@data = data
	end

	def get(key)
	return if data.fetch(key, {}).fetch(:expires_at, nil) <= now

	<html>
	<head>
	<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css">
	<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
	<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js"></script>
	<script>
	$(function() {
	$(".video").click(function () {
	var theModal = $(this).data("target"),
	videoSRC = $(this).attr("data-video"),

	server {
	listen 80;
	server_name localhost;
	root /usr/share/nginx/html;

	location / {
	expires 5m;
	try_files $uri $uri/ /index.html;
	}

	// Copyright (c) 2012 Sutoiku, Inc. (MIT License)

	function PV(rate, periods, payment, future, type) {
	// Initialize type
	var type = (typeof type === 'undefined') ? 0 : type;

	// Evaluate rate and periods (TODO: replace with secure expression evaluator)
	rate = eval(rate);
	periods = eval(periods);

	# p_map is a parallel map which runs each and every process concurrently
	> p_map = fn -> 1..5 \|> Enum.map(fn(i) -> Task.async(fn -> :timer.sleep(200); i + 1 end) end) \|> Enum.map(fn(tsk) -> Task.await(tsk) end) end

	# slow_map runs each and every iteration one after the other
	> slow_map = fn -> 1..5 \|> Enum.map(fn(i) -> :timer.sleep(200); i + 1 end) end

	> :timer.tc(fn -> p_map.() end, [])
	{200830, [2, 3, 4, 5, 6]}

	> :timer.tc(fn -> slow_map.() end, [])

	/**
	* @OnlyCurrentDoc Limits the script to only accessing the current spreadsheet.
	*/


	/**
	* Adds a custom menu with items to show the sidebar and dialog.
	*
	* @param {Object} e The event parameter for a simple onOpen trigger.
	*/

	// swap the keybindings for paste and paste_and_indent
	{ "keys": ["super+v"], "command": "paste_and_indent" },
	{ "keys": ["super+shift+v"], "command": "paste" }